/*
*
*
* Copyright 1990-2009 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
*
* This program 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.
*
* This program 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 at /legal/license.txt).
*
* 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 or visit www.sun.com if you need additional
* information or have any questions.
*/
package components;
import jcc.Util;
import jcc.Const;
import util.*;
import java.io.DataInput;
import java.io.DataOutput;
import java.io.IOException;
import java.io.PrintStream;
import java.util.Hashtable;
import java.util.Enumeration;
import java.util.Vector;
//
// container for stuff about a class.
// can be in a classfile or in a module.
//
public
class ClassInfo
{
public String className;
public int access;
public ClassConstant thisClass;
public ClassConstant superClass;
public ClassInfo superClassInfo;
// Tables for all fields, methods and constants of this class
public FieldInfo fields[];
public MethodInfo methods[];
public ConstantObject constants[];
private ConstantObject oldConstants[];
public ConstantObject symbols[];
public ClassConstant interfaces[];
public FieldConstant refFieldtable[];
public MethodConstant refMethodtable[];
// In case we lay it all out here
public FieldInfo fieldtable[];
public MethodInfo methodtable[];
public UnicodeConstant fieldtableName;
public UnicodeConstant methodtableName;
// Class attributes that we do not interpret
public Attribute[] classAttributes;
public SourceFileAttribute sourceFileAttr;
public vm.ClassClass vmClass; // used by in-core output writers
public Vector allInterfaces;
protected boolean verbose;
protected PrintStream log = System.out;
public ConstantPool externalPool;
public static boolean classDebug = false;
public int flags;
public static final int INCLUDE_ALL = 1;
public ClassInfo( boolean v ) {
verbose = v;
flags = INCLUDE_ALL; // by default, we want all members.
// what else should be here?
}
private String genericNativeName;
public final String getGenericNativeName() {
if (genericNativeName == null)
genericNativeName = createGenericNativeName();
return genericNativeName;
}
// This will be overridden by subclasses
protected String createGenericNativeName() {
return Util.convertToClassName(className );
}
// Read in the constants from a classfile
void readConstantPool( DataInput in ) throws IOException {
int num = in.readUnsignedShort();
if(verbose){
log.println(Localizer.getString("classinfo.reading_entries_in_constant_pool", Integer.toString(num)));
}
constants = new ConstantObject[num];
for (int i = 1; i < num; i+=constants[i].nSlots) {
constants[i] = ConstantObject.readObject( in );
constants[i].index = i;
}
}
private void resolveConstants( ) {
if (verbose){
log.println(Localizer.getString("classinfo.>>>resolving_constants"));
}
for (int i = 1; i < constants.length; i+=constants[i].nSlots) {
constants[i].resolve( symbols );
}
}
protected void externalizeConstants( ConstantPool externalPool ){
if (verbose){
log.println(Localizer.getString("classinfo.>>>externalizing_constants"));
}
// externalize immediately certain kinds of constants
// we know to have no direct references.
for (int i = 1; i < constants.length; i+=constants[i].nSlots) {
switch ( constants[i].tag ){
case Const.CONSTANT_UTF8:
case Const.CONSTANT_NAMEANDTYPE:
// unquestionably, share these.
constants[i] = externalPool.add( constants[i] );
// FALLTHROUGH
default:
constants[i].externalize( externalPool );
break;
}
}
}
/*
* If we are using an external string table, then
* we can make our own table smaller. At this point,
* all non-code references into it are by object reference, NEVER
* by index -- everything has been resolved! Thus we can
* compact our table, deleting all the UnicodeConstants.
* We adjust each constant's index entry accordingly.
* Naturally, we preserve the null entries.
*
*/
public void smashConstantPool(){
int nOld = constants.length;
int nNew = 1;
ConstantObject o;
// first, count and index.
for ( int i = 1; i < nOld; i += o.nSlots ){
o = constants[i];
if ( ! o.shared ){
if ( o.references == 0 ){
o.index = -1; // trouble.
} else {
// we're keeping it.
o.index = nNew;
nNew += o.nSlots;
}
}
}
// now reallocate and copy.
ConstantObject newConstants[] = new ConstantObject[ nNew ];
int j = 1;
for ( int i = 1; i < nOld; i += o.nSlots ){
o = constants[i];
if ( (! o.shared ) && ( o.references != 0 ) ){
// we're keeping it.
newConstants[j] = o;
j += o.nSlots;
}
}
oldConstants = constants;
constants = newConstants;
}
// write constants back out, just like we read them in.
void writeConstantPool( DataOutput out ) throws IOException {
int num = constants==null ? 0 : constants.length;
if(verbose){
log.println(Localizer.getString("classinfo.writing_constant_pool_entries", Integer.toString(num)));
}
out.writeShort( num );
for (int i = 1; i < num; i+=constants[i].nSlots) {
constants[i].write( out );
}
}
// Read the list of interfaces this class supports
void readInterfaces( DataInput in ) throws IOException {
int count = in.readUnsignedShort();
if(verbose){
log.println(Localizer.getString("classinfo.reading_interfaces_implemented", Integer.toString(count)));
}
interfaces = new ClassConstant[count];
for (int i = 0; i < count; i++) {
//interfaces[i] = (ClassConstant) symbols[in.readUnsignedShort()];
// interfaces not external -- they use own constant pool!
interfaces[i] = (ClassConstant) constants[in.readUnsignedShort()];
}
}
void externalizeInterfaces( ConstantPool p ){
int count = interfaces==null ? 0 : interfaces.length;
if(verbose){
log.println(Localizer.getString("classinfo.>>>externalizing_interfaces_implemented"));
}
for (int i = 0; i < count; i++) {
interfaces[i] = (ClassConstant)p.dup( interfaces[i] );
}
}
void writeInterfaces( DataOutput out ) throws IOException {
int count = interfaces==null ? 0 : interfaces.length;
if(verbose){
log.println(Localizer.getString("classinfo.writing_interfaces_implemented", Integer.toString(count)));
}
out.writeShort( count );
for (int i = 0; i < count; i++) {
out.writeShort( interfaces[i].index );
}
}
// Read the list of fields
void readFields( DataInput in ) throws IOException {
int count = in.readUnsignedShort();
fields = new FieldInfo[count];
if(verbose){
log.println(Localizer.getString("classinfo.reading_field_members", Integer.toString(count)));
}
for (int i = 0; i < count; i++) {
fields[i] = FieldInfo.readField(in, this);
fields[i].index = i;
}
}
void externalizeFields( ConstantPool p ){
int count = fields==null ? 0 : fields.length;
if(verbose){
log.println(Localizer.getString("classinfo.>>>externalizing_field_members"));
}
for (int i = 0; i < count; i++) {
fields[i].externalize( p );
}
}
void writeFields( DataOutput out ) throws IOException {
int count = fields==null ? 0 : fields.length;
if(verbose){
log.println(Localizer.getString("classinfo.writing_field_members", Integer.toString(count)));
}
out.writeShort( count );
for (int i = 0; i < count; i++) {
fields[i].write( out );
}
}
// Read the list of methods from classfile
void readMethods( DataInput in, boolean readCode ) throws IOException {
int count = in.readUnsignedShort();
methods = new MethodInfo[count];
if(verbose){
log.println(Localizer.getString(
"classinfo.reading_methods", Integer.toString(count)));
}
for (int i = 0; i < count; i++) {
methods[i] = MethodInfo.readMethod( in, this, readCode );
methods[i].index = i;
}
}
void externalizeMethods( ConstantPool p ){
int count = methods==null ? 0 : methods.length;
if(verbose){
log.println(Localizer.getString("classinfo.>>>externalizing_methods"));
}
for (int i = 0; i < count; i++) {
methods[i].externalize( p );
}
}
void writeMethods( DataOutput out) throws IOException {
int count = methods==null ? 0 : methods.length;
if(verbose){
log.println(Localizer.getString("classinfo.writing_methods", Integer.toString(count)));
}
out.writeShort(count);
for (int i = 0; i < count; i++) {
methods[i].write( out );
}
}
void readAttributes( DataInput in ) throws IOException {
int count = in.readUnsignedShort();
Vector clssAttr = new Vector();
if(verbose){
log.println(Localizer.getString("classinfo.reading_attributes", Integer.toString(count)));
}
for (int i = 0; i < count; i++) {
int nameIndex = in.readUnsignedShort();
int bytes = in.readInt();
UnicodeConstant name = (UnicodeConstant)symbols[nameIndex];
if (name.string.equals(/*NOI18N*/"fieldtable")){
fieldtableName = name;
if (verbose){
log.println(Localizer.getString("classinfo.reading_name",name));
}
int n = bytes / 2;
refFieldtable = new FieldConstant[ n ];
for( int j = 0; j < n; j++ ){
refFieldtable[j] = (FieldConstant)symbols[ in.readUnsignedShort() ];
}
} else if (name.string.equals(/*NOI18N*/"methodtable")){
methodtableName = name;
if (verbose){
log.println(Localizer.getString("classinfo.reading_name", name));
}
int n = bytes / 2;
refMethodtable = new MethodConstant[ n ];
for( int j = 0; j < n; j++ ){
refMethodtable[j] = (MethodConstant)symbols[ in.readUnsignedShort() ];
}
} else if (name.string.equals(/*NOI18N*/"SourceFile")) {
if (ClassInfo.classDebug) {
UnicodeConstant srcName =
(UnicodeConstant)symbols[in.readUnsignedShort()];
sourceFileAttr =
new SourceFileAttribute(name, bytes, srcName);
clssAttr.addElement(sourceFileAttr);
} else {
byte[] b = new byte[bytes];
in.readFully(b);
clssAttr.addElement
(new UninterpretedAttribute(name, bytes, b));
}
} else {
byte[] b = new byte[bytes];
in.readFully(b);
clssAttr.addElement
(new UninterpretedAttribute(name, bytes, b));
}
}
int nattr = clssAttr.size();
if (nattr > 0) {
this.classAttributes = new Attribute[nattr];
clssAttr.copyInto(classAttributes);
}
}
void externalizeAttributes( ConstantPool p ){
Attribute.externalizeAttributes(classAttributes, p);
}
public void
allocateFieldsFromFieldtable(){
if ( refFieldtable == null ) return; // no can do.
int n = refFieldtable.length;
int nsuper;
int fieldoff = 0;
nsuper = ( superClassInfo == null ) ? 0 : superClassInfo.refFieldtable.length;
if ( nsuper == 0 ){
fieldoff = 0;
} else {
FieldInfo f = refFieldtable[ nsuper-1 ].find();
if ( f.instanceOffset < 0 ){
superClassInfo.allocateFieldsFromFieldtable();
}
fieldoff = f.instanceOffset + f.nSlots;
}
for ( int i = nsuper ; i < n; i++ ){
FieldInfo f = refFieldtable[ i ].find();
if ( f == null ){
// this is not supposed to happen.
System.out.println( Localizer.getString("classinfo.cannot_find_field", refFieldtable[i]));
continue;
}
f.instanceOffset = fieldoff;
fieldoff += f.nSlots;
}
//
// and while we're here, do methodtable as well.
//
n = refMethodtable.length;
int methodoff = 0; // 1=>0 EJVM
for ( int i = 0; i < n ; i++ ){
MethodInfo m = refMethodtable[ i ].find();
if ( m == null ){
// this is not supposed to happen.
System.out.println( Localizer.getString("classinfo.cannot_find_field", refMethodtable[i]));
continue;
} else if ( m.methodTableIndex != methodoff ){
if ( m.parent != this ){
// this method is in a superclass.
// which apparently hasn't set up its methodtable yet.
// so go do it.
superClassInfo.allocateFieldsFromFieldtable();
} else {
// we do it here.?
System.out.println("Inconsistent refMethodtable in class "+this.toString());
m.methodTableIndex = methodoff;
}
}
methodoff += 1;
}
}
void writeTableAttribute( DataOutput out, UnicodeConstant name, FMIrefConstant table[] ) throws IOException {
if (verbose){
log.println(Localizer.getString("classinfo.writing_name", name.string));
}
out.writeShort( name.index );
int n = table.length;
out.writeInt( 2*n );
for ( int i = 0; i < n; i++ ){
out.writeShort( table[i].index );
}
}
void writeAttributes( DataOutput out ) throws IOException {
int count = 0;
if ( fieldtableName != null )
count++;
if ( methodtableName != null )
count++;
if (classAttributes != null) {
count += classAttributes.length;
}
out.writeShort(count);
if ( fieldtableName != null ){
writeTableAttribute( out, fieldtableName, refFieldtable );
}
if ( methodtableName != null ){
writeTableAttribute( out, methodtableName, refMethodtable );
}
if (classAttributes != null) {
for (int k = 0; k < classAttributes.length; k++) {
classAttributes[k].write( out );
}
}
}
// Read in the entire class
// assume file is open, magic numbers are o.k.
// read assumes reading from class file
//
private void
doRead( DataInput in, boolean readCode, ConstantPool externalSymbols )
throws IOException {
externalPool = externalSymbols; // for convenience, later
resolveConstants( );
access = in.readUnsignedShort();
thisClass = (ClassConstant) symbols[in.readUnsignedShort()];
int sup = in.readUnsignedShort();
if ( sup != 0 )
superClass = (ClassConstant) symbols[sup];
className = thisClass.name.string;
// Read the various parts of the class file
readInterfaces( in );
readFields( in );
readMethods( in, readCode );
readAttributes( in );
enterClass( className );
}
public void
read( DataInput in, boolean readCode, ConstantPool externalSymbols )
throws IOException {
readConstantPool( in );
symbols = constants; // symbol table == constant pool
doRead( in, readCode, externalSymbols );
}
public void
externalize( ConstantPool p ){
if (verbose){
log.println(Localizer.getString("classinfo.externalizing_class", className));
}
externalizeConstants( p );
thisClass = (ClassConstant)p.dup( thisClass );
//thisClass.externalize(p);//redundant?
if ( superClass != null ){
superClass = (ClassConstant)p.dup( superClass );
//superClass.externalize(p);//redundant?
}
//externalizeInterfaces( p ); // interfaces NOT externalized!
externalizeMethods( p );
externalizeFields( p );
externalizeAttributes( p );
}
// Compute the fieldtable for a class. This requires laying
// out the fieldtable for our parent, then adding any fields
// that are not inherited.
public
void buildFieldtable( ConstantPool cp ){
if (this.fieldtable != null) return; // already done.
FieldInfo fieldtable[];
int n;
int fieldoff;
int fieldtableLength = 0;
FieldInfo candidate[] = this.fields;
for( int i =0; i < candidate.length; i++ ){
if ((candidate[i].access & Const.ACC_STATIC) == 0){
fieldtableLength++;
}
}
if ( superClassInfo != null ){
superClassInfo.buildFieldtable( cp );
n = superClassInfo.fieldtable.length;
fieldtableLength += n;
fieldoff = (n==0)? 0
: (superClassInfo.fieldtable[n-1].instanceOffset +
superClassInfo.fieldtable[n-1].nSlots);
fieldtable = new FieldInfo[ fieldtableLength ];
System.arraycopy( superClassInfo.fieldtable, 0, fieldtable, 0, n );
} else {
fieldtable = new FieldInfo[ fieldtableLength ];
n = 0;
fieldoff = 0;
}
for( int i =0; i < candidate.length; i++ ){
if ((candidate[i].access & Const.ACC_STATIC) == 0){
fieldtable[n++] = candidate[i];
candidate[i].instanceOffset = fieldoff;
fieldoff += candidate[i].nSlots;
}
}
this.fieldtable = fieldtable;
//
// here, we make the gross assumption that
// if we're building a fieldtable, we're using a shared
// external Constant Pool
fieldtableName = (UnicodeConstant)cp.add( new UnicodeConstant(/*NOI18N*/"fieldtable") );
}
private FMIrefConstant buildReference( ClassMemberInfo m, boolean isMethod, ConstantPool cp ){
ClassConstant c = (ClassConstant) cp.dup( m.parent.thisClass );
FMIrefConstant x;
NameAndTypeConstant n = (NameAndTypeConstant) cp.add(
new NameAndTypeConstant(
(UnicodeConstant)cp.add( m.name),
(UnicodeConstant)cp.add( m.type )
)
);
if (isMethod){
x = new MethodConstant( c, n );
}else{
x = new FieldConstant( c, n );
}
return (FMIrefConstant)cp.add( x );
}
public
void buildReferenceFieldtable( ConstantPool cp ){
if ( refFieldtable != null ) return; // already done, it says here.
if ( fieldtableName == null ){
fieldtableName = (UnicodeConstant)cp.add( new UnicodeConstant(/*NOI18N*/"fieldtable") );
}
buildFieldtable( cp );
int n = fieldtable.length;
refFieldtable = new FieldConstant[ n ];
for ( int i = 0; i < n; i++ ){
refFieldtable[i] = (FieldConstant)buildReference( fieldtable[i], false, cp );
}
}
// Compute the method table for a class. This requires laying
// out the method table for our parent, then adding any methods
// that are not inherited.
public
void buildMethodtable( ConstantPool cp ) {
if ( this.methodtable != null ) return; // already done.
MethodInfo table[];
MethodInfo methods[] = this.methods;
ClassInfo sup = superClassInfo;
if ((sup != null) && ( (sup.access&Const.ACC_INTERFACE)==(this.access&Const.ACC_INTERFACE) ) ) {
sup.buildMethodtable( cp );
table = sup.methodtable;
} else {
table = new MethodInfo[0];
}
// allocate a temporary table that is certainly large enough.
MethodInfo newTable[] = new MethodInfo[table.length + methods.length];
int index = table.length;
System.arraycopy( table, 0, newTable, 0, index );
if (sup == null) {
// finalize() goes into slot 0 of java.lang.Object
// FY: Removed for KVM. We have no finalize() in slot 0.
// index++;
}
method_loop:
for (int i = 0; i < methods.length; i++) {
if ((methods[i].access & (Const.ACC_STATIC|Const.ACC_PRIVATE)) != 0) {
continue method_loop;
} else if (methods[i].name.string.equals(/*NOI18N*/"<init>")) {
continue method_loop;
} else if (sup == null && methods[i].name.string.equals(/*NOI18N*/"finalize")
&& methods[i].type.string.equals(/*NOI18N*/"()V")) {
newTable[0] = methods[i];
newTable[0].methodTableIndex = 0; // 1=>0 EJVM
continue method_loop;
}
int j;
int thisID = methods[i].getID();
for ( j = 0; j < table.length; j++) {
if (thisID == table[j].getID()) {
newTable[j] = methods[i];
newTable[j].methodTableIndex = j + 0; // 1=>0 EJVM
continue method_loop;
}
}
// If we're not overriding our parent's method we do add
// a new entry to the method table.
newTable[index] = methods[i];
newTable[index].methodTableIndex = index + 0; // 1=>0 EJVM
index++;
}
// now allocate a table of the correct size.
MethodInfo methodTable[] = new MethodInfo[index];
System.arraycopy( newTable, 0, methodTable, 0, index );
this.methodtable = methodTable;
//
// here, we make the gross assumption that
// if we're building a methodtable, we're using a shared
// external Constant Pool
methodtableName = (UnicodeConstant)cp.add( new UnicodeConstant(/*NOI18N*/"methodtable") );
}
public
void buildReferenceMethodtable( ConstantPool cp ){
if ( refMethodtable != null ) return; // already done, it says here.
if ( methodtableName == null ){
methodtableName = (UnicodeConstant)cp.add( new UnicodeConstant(/*NOI18N*/"methodtable") );
}
buildMethodtable( cp );
int n = methodtable.length;
refMethodtable = new MethodConstant[ n ];
for ( int i = 0; i < n; i++ ){
refMethodtable[i] = (MethodConstant)buildReference( methodtable[i], true, cp );
}
}
private static boolean
conditionalAdd( Vector v, Object o ){
if ( v.contains( o ) )
return false;
v.addElement( o );
return true;
}
/*
* Compute the vector of all interfaces this class implements (or
* this interface extends). Not only the interfaced declared in
* the implements clause, which is what the interfaces[] field
* represents, but all interfaces, including those of our superclasses
* and those extended/implemented by any interfaces we implement.
*
*/
public void
findAllInterfaces(){
/*
* This works recursively, by computing parent's interface
* set first. THIS ASSUMES NON-CIRCULARITY, as does the rest
* of the Java system. This assumption will fail loudly, if
* at all.
*/
if ( superClassInfo == null ){
// we must be java.lang.Object!
allInterfaces = new Vector(5); // a generous size.
} else {
if ( superClassInfo.allInterfaces == null )
superClassInfo.findAllInterfaces();
allInterfaces = (Vector)(superClassInfo.allInterfaces.clone());
}
if ( interfaces == null ) return; // all done!
for( int i = 0; i < interfaces.length; i++ ){
ClassInfo interf = interfaces[i].find();
if ( ( interf == null ) || ( (interf.access&Const.ACC_INTERFACE) == 0 ) ){
System.err.println(Localizer.getString("classinfo.class_which_should_be_an_interface_but_is_not", className, interfaces[i]));
continue;
}
if ( interf.allInterfaces == null )
interf.findAllInterfaces();
if ( ! conditionalAdd( allInterfaces, interf ) ){
// if this interface was already in the set,
// then all the interfaces that it extend/implement
// will be, too.
continue;
}
Enumeration interfInterf = interf.allInterfaces.elements();
while( interfInterf.hasMoreElements() ){
conditionalAdd( allInterfaces, interfInterf.nextElement() );
}
}
}
public boolean
findReferences(){
try {
for ( int i = 0; i < methods.length; i++ ){
methods[i].findConstantReferences();
}
} catch ( DataFormatException e ){
return false;
}
return true;
}
public boolean
countReferences( boolean isRelocatable ){
thisClass.incReference();
if ( superClass != null ) superClass.incReference();
// count interface references
if ( interfaces!=null ){
for ( int i = 0; i < interfaces.length ; i++ ){
interfaces[i].incReference();
}
}
// then count references from fields.
if ( fields != null ){
for ( int i = 0; i < fields.length; i++ ){
fields[i].countConstantReferences( isRelocatable );
}
}
// then count references from code
if ( methods != null ){
for ( int i = 0; i < methods.length; i++ ){
methods[i].countConstantReferences( constants, isRelocatable );
}
}
Attribute.countConstantReferences(classAttributes, isRelocatable);
return true;
}
public boolean
relocateReferences(){
try {
for ( int i = 0; i < methods.length; i++ ){
methods[i].relocateConstantReferences( oldConstants );
}
} catch ( DataFormatException e ){
return false;
}
return true;
}
public void
clearMemberFlags( int flagsToClear ){
int mask = ~ flagsToClear;
int n;
ClassMemberInfo members[];
if ( fields != null ){
members = fields;
n = members.length;
for ( int i = 0; i < n; i++ ){
members[i].flags &= mask;
}
}
if ( fields != null ){
members = methods;
n = members.length;
for ( int i = 0; i < n; i++ ){
members[i].flags &= mask;
}
}
}
public void
write( DataOutput o ) throws IOException {
writeConstantPool( o );
o.writeShort( access );
o.writeShort( thisClass.index );
o.writeShort( superClass==null? 0 : superClass.index );
writeInterfaces( o );
writeFields( o );
writeMethods( o );
writeAttributes( o );
}
private static void
dumpComponentTable( PrintStream o, String title, ClassComponent t[] ){
int n;
if ( (t == null) || ((n=t.length) == 0) ) return;
o.print( title ); o.println(/*NOI18N*/"["+n+"]:");
for( int i = 0; i < n; i++ ){
if ( t[i] != null )
o.println(/*NOI18N*/"\t["+i+/*NOI18N*/"]\t"+t[i]);
}
}
private static void
dumpConstantTable( PrintStream o, String title, ConstantObject t[] ){
int n;
if ( (t == null) || ((n=t.length) == 0) ) return;
o.print( title ); o.println(/*NOI18N*/"["+n+/*NOI18N*/"]:");
o.println(/*NOI18N*/"\tPosition Index\tNrefs");
for( int i = 0; i < n; i++ ){
if ( t[i] != null )
o.println(/*NOI18N*/"\t["+i+/*NOI18N*/"]\t"+t[i].index+/*NOI18N*/"\t"+t[i].references+/*NOI18N*/"\t"+t[i]);
}
}
private static void
dumpMemberTable( PrintStream o, String title, ClassMemberInfo t[] ){
int n;
if ( (t == null) || ((n=t.length) == 0) ) return;
o.print( title ); o.println(/*NOI18N*/":");
for( int i = 0; i < n; i++ ){
if ( t[i] != null )
o.println(/*NOI18N*/"\t["+i+/*NOI18N*/"]\t"+t[i].qualifiedName() );
}
}
public void
dump( PrintStream o ){
o.print(Util.accessToString(access)+/*NOI18N*/"Class "+thisClass);
if ( superClass != null )
o.print(/*NOI18N*/" extends "+superClass);
if ( interfaces!=null && interfaces.length != 0 ){
o.print(/*NOI18N*/" implements");
for( int i = 0; i < interfaces.length ; i++ ){
o.print(" "+interfaces[i]);
}
}
o.println();
dumpComponentTable( o, /*NOI18N*/"Methods", methods );
dumpComponentTable( o, /*NOI18N*/"Fields", fields );
if ( fieldtable != null )
dumpMemberTable( o, /*NOI18N*/"Fieldtable", fieldtable );
else
dumpComponentTable( o, /*NOI18N*/"Fieldtable-by-reference", refFieldtable );
if ( methodtable != null )
dumpMemberTable( o, /*NOI18N*/"Methodtable", methodtable );
else
dumpComponentTable( o, /*NOI18N*/"Methodtable-by-reference", refMethodtable );
dumpConstantTable( o, /*NOI18N*/"Constants", constants );
}
/**
* We keep track of classes by hashing them by name when
* we read them. They can be looked up using lookupClass,
* which will take a classname string as parameter.
*/
public static Hashtable classtable = new Hashtable();
protected void enterClass( String key ){
// should check to see if a class of this name is already there...
if ( classtable.containsKey( className ) ){
System.err.println(Localizer.getString("classinfo.class_table_already_contains", className));
return;
}
classtable.put( key, this );
// if a classvector has been created, we need to add this.
// at end should be sufficient.
vm.ClassClass.appendClassElement( this );
}
public static ClassInfo lookupClass( String key ){
return (ClassInfo)classtable.get( key );
}
public static int nClasses(){
return classtable.size();
}
public static Enumeration allClasses(){
return classtable.elements();
}
public static boolean resolveSupers(){
Enumeration allclasses = allClasses();
boolean ok = true;
while( allclasses.hasMoreElements() ){
ClassInfo c = (ClassInfo)allclasses.nextElement();
if ( c.superClass==null ){
// only java.lang.Object can be parentless
if ( ! c.className.equals( /*NOI18N*/"java/lang/Object" ) ){
System.out.println(Localizer.getString("classinfo.class_is_parent-less", c.className));
ok = false;
}
} else {
ClassInfo s = ClassInfo.lookupClass( c.superClass.name.string );
if ( s == null ){
System.out.println(Localizer.getString("classinfo.class_is_missing_parent", c.className, c.superClass.name.string ));
ok = false;
} else {
c.superClassInfo = s;
}
}
}
return ok;
}
public String
toString(){
return /*NOI18N*/"ClassInfo-\""+className+/*NOI18N*/"\"";
}
// Convert ldc to ldc2
public void relocateAndPackCode() {
for ( int i = 0; i < methods.length; i++ )
methods[i].relocateAndPackCode(constants);
}
}