/*
* Copyright 1999 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.
*/
/*
* COMPONENT_NAME: idl.toJava
*
* ORIGINS: 27
*
* Licensed Materials - Property of IBM
* 5639-D57 (C) COPYRIGHT International Business Machines Corp. 1997, 1999
* RMI-IIOP v1.0
*
*/
package com.sun.tools.corba.se.idl.toJavaPortable;
// NOTES:
// -11aug1997<daz> No modification: comments for type_defs will appear in
// helper, holder classes as a result of modifications to routines
// makeHelper(), makeHolder() in class com.sun.tools.corba.se.idl.toJava.Util.
// -F46082.51<daz> Remove -stateful feature; javaStatefulName() obsolete.
// -D61056 <klr> Use Util.helperName
import java.io.PrintWriter;
import java.util.Enumeration;
import java.util.Hashtable;
import com.sun.tools.corba.se.idl.InterfaceEntry;
import com.sun.tools.corba.se.idl.InterfaceState;
import com.sun.tools.corba.se.idl.PrimitiveEntry;
import com.sun.tools.corba.se.idl.SequenceEntry;
import com.sun.tools.corba.se.idl.StringEntry;
import com.sun.tools.corba.se.idl.StructEntry;
import com.sun.tools.corba.se.idl.SymtabEntry;
import com.sun.tools.corba.se.idl.TypedefEntry;
import com.sun.tools.corba.se.idl.UnionEntry;
import com.sun.tools.corba.se.idl.constExpr.Expression;
// Notes:
/**
*
**/
public class TypedefGen implements com.sun.tools.corba.se.idl.TypedefGen, JavaGenerator
{
/**
* Public zero-argument constructor.
**/
public TypedefGen ()
{
} // ctor
/**
*
**/
public void generate (Hashtable symbolTable, TypedefEntry t, PrintWriter stream)
{
this.symbolTable = symbolTable;
this.t = t;
if (t.arrayInfo ().size () > 0 || t.type () instanceof SequenceEntry)
generateHolder ();
generateHelper ();
} // generator
/**
*
**/
protected void generateHolder ()
{
((Factories)Compile.compiler.factories ()).holder ().generate (symbolTable, t);
}
/**
*
**/
protected void generateHelper ()
{
((Factories)Compile.compiler.factories ()).helper ().generate (symbolTable, t);
}
///////////////
// From JavaGenerator
private boolean inStruct (TypedefEntry entry)
{
boolean inStruct = false;
if (entry.container () instanceof StructEntry || entry.container () instanceof UnionEntry)
inStruct = true;
else if (entry.container () instanceof InterfaceEntry)
{
InterfaceEntry i = (InterfaceEntry)entry.container ();
if (i.state () != null)
{
Enumeration e = i.state ().elements ();
while (e.hasMoreElements ())
if (((InterfaceState)e.nextElement ()).entry == entry)
{
inStruct = true;
break;
}
}
}
return inStruct;
} // inStruct
public int helperType (int index, String indent, TCOffsets tcoffsets, String name, SymtabEntry entry, PrintWriter stream)
{
TypedefEntry td = (TypedefEntry)entry;
boolean inStruct = inStruct (td);
if (inStruct)
tcoffsets.setMember (entry);
else
tcoffsets.set (entry);
// Print the base types typecode
index = ((JavaGenerator)td.type ().generator ()).type (index, indent, tcoffsets, name, td.type (), stream);
if (inStruct && td.arrayInfo ().size () != 0)
tcoffsets.bumpCurrentOffset (4); // for array length field
// Print the array typecodes (if there are any)
int dimensions = td.arrayInfo ().size ();
for (int i = 0; i < dimensions; ++i)
{
String size = Util.parseExpression ((Expression)td.arrayInfo ().elementAt (i));
stream.println (indent + name + " = org.omg.CORBA.ORB.init ().create_array_tc (" + size + ", " + name + " );");
}
// If this typedef describes a struct/union member, don't put it
// in an alias typedef; otherwise that's where it belongs.
if (!inStruct)
// <54697>
//stream.println (indent + name + " = org.omg.CORBA.ORB.init ().create_alias_tc (id (), \"" + Util.stripLeadingUnderscores (td.name ()) + "\", " + name + ");");
stream.println (indent + name + " = org.omg.CORBA.ORB.init ().create_alias_tc (" + Util.helperName (td, true) + ".id (), \"" + Util.stripLeadingUnderscores (td.name ()) + "\", " + name + ");"); // <d61056>
return index;
} // helperType
public int type (int index, String indent, TCOffsets tcoffsets, String name, SymtabEntry entry, PrintWriter stream)
{
// The type() method is invoked from other emitters instead of when an IDL
// typedef statement is being processed. Code generated is identical minus the
// generation of a create_alias_tc() which is required for IDL typedef's but not
// needed when typedef is being processed as a member of struct/union/valuetype.
return helperType( index, indent, tcoffsets, name, entry, stream);
} // type
public void helperRead (String entryName, SymtabEntry entry, PrintWriter stream)
{
Util.writeInitializer (" ", "value", "", entry, stream);
read (0, " ", "value", entry, stream);
stream.println (" return value;");
} // helperRead
public void helperWrite (SymtabEntry entry, PrintWriter stream)
{
write (0, " ", "value", entry, stream);
} // helperWrite
public int read (int index, String indent, String name, SymtabEntry entry, PrintWriter stream)
{
TypedefEntry td = (TypedefEntry)entry;
String modifier = Util.arrayInfo (td.arrayInfo ());
if (!modifier.equals (""))
{
// arrayInfo is a vector of Expressions which indicate the
// number of array dimensions for this typedef. But what if
// this is a typedef of a sequence?
// The `new' statement being generated must know the full
// number of brackets. That can be found in td.info.
// For instance:
// typedef sequence<short> A[10][10];
// void proc (out A a);
// typeModifier = "[10][10]"
// td.info = "short[][][]";
// The first new statement generated is:
// a.value = new short[10][][];
// Note that the 3 sets of brackets come from td.info, not
// arrayInfo;
// The second new statement generated is:
// a.value[_i1] = new short[10][];
// ------------ ---- ------
// \ \ \
// name baseName arrayDcl
int closingBrackets = 0;
String loopIndex = "";
String baseName;
try
{
baseName = (String)td.dynamicVariable (Compile.typedefInfo);
}
catch (NoSuchFieldException e)
{
baseName = td.name ();
}
int startArray = baseName.indexOf ('[');
String arrayDcl = Util.sansArrayInfo (baseName.substring (startArray)) + "[]"; // Add an extra set because the first gets stripped off in the loop.
baseName = baseName.substring (0, startArray);
// For interfaces having state, e.g., valuetypes.
SymtabEntry baseEntry = (SymtabEntry)Util.symbolTable.get (baseName.replace ('.', '/'));
if (baseEntry instanceof InterfaceEntry && ((InterfaceEntry)baseEntry).state () != null)
// <f46082.51> Remove -stateful feature; javaStatefulName() obsolete.
//baseName = Util.javaStatefulName ((InterfaceEntry)baseEntry);
baseName = Util.javaName ((InterfaceEntry)baseEntry);
int end1stArray;
while (!modifier.equals (""))
{
int rbracket = modifier.indexOf (']');
String size = modifier.substring (1, rbracket);
end1stArray = arrayDcl.indexOf (']');
arrayDcl = '[' + size + arrayDcl.substring (end1stArray + 2);
stream.println (indent + name + " = new " + baseName + arrayDcl + ';');
loopIndex = "_o" + index++;
stream.println (indent + "for (int " + loopIndex + " = 0;" + loopIndex + " < (" + size + "); ++" + loopIndex + ')');
stream.println (indent + '{');
++closingBrackets;
modifier = modifier.substring (rbracket + 1);
indent = indent + " ";
name = name + '[' + loopIndex + ']';
}
end1stArray = arrayDcl.indexOf (']');
if (td.type () instanceof SequenceEntry || td.type () instanceof PrimitiveEntry || td.type () instanceof StringEntry)
index = ((JavaGenerator)td.type ().generator ()).read (index, indent, name, td.type (), stream);
else if (td.type () instanceof InterfaceEntry && td.type ().fullName ().equals ("org/omg/CORBA/Object"))
stream.println (indent + name + " = istream.read_Object ();");
else
stream.println (indent + name + " = " + Util.helperName (td.type (), true) + ".read (istream);"); // <d61056>
for (int i = 0; i < closingBrackets; ++i)
{
indent = indent.substring (2);
stream.println (indent + '}');
}
}
else
{
SymtabEntry tdtype = Util.typeOf (td.type ());
if (tdtype instanceof SequenceEntry || tdtype instanceof PrimitiveEntry || tdtype instanceof StringEntry)
index = ((JavaGenerator)tdtype.generator ()).read (index, indent, name, tdtype, stream);
else if (tdtype instanceof InterfaceEntry && tdtype.fullName ().equals ("org/omg/CORBA/Object"))
stream.println (indent + name + " = istream.read_Object ();");
else
stream.println (indent + name + " = " + Util.helperName (tdtype, true) + ".read (istream);"); // <d61056>
}
return index;
} // read
public int write (int index, String indent, String name, SymtabEntry entry, PrintWriter stream)
{
TypedefEntry td = (TypedefEntry)entry;
String modifier = Util.arrayInfo (td.arrayInfo ());
if (!modifier.equals (""))
{
int closingBrackets = 0;
String loopIndex = "";
while (!modifier.equals (""))
{
int rbracket = modifier.indexOf (']');
String size = modifier.substring (1, rbracket);
stream.println (indent + "if (" + name + ".length != (" + size + "))");
stream.println (indent + " throw new org.omg.CORBA.MARSHAL (0, org.omg.CORBA.CompletionStatus.COMPLETED_MAYBE);");
loopIndex = "_i" + index++;
stream.println (indent + "for (int " + loopIndex + " = 0;" + loopIndex + " < (" + size + "); ++" + loopIndex + ')');
stream.println (indent + '{');
++closingBrackets;
modifier = modifier.substring (rbracket + 1);
indent = indent + " ";
name = name + '[' + loopIndex + ']';
}
if (td.type () instanceof SequenceEntry || td.type () instanceof PrimitiveEntry || td.type () instanceof StringEntry)
index = ((JavaGenerator)td.type ().generator ()).write (index, indent, name, td.type (), stream);
else if (td.type () instanceof InterfaceEntry && td.type ().fullName ().equals ("org/omg/CORBA/Object"))
stream.println (indent + "ostream.write_Object (" + name + ");");
else
stream.println (indent + Util.helperName (td.type (), true) + ".write (ostream, " + name + ");"); // <d61056>
for (int i = 0; i < closingBrackets; ++i)
{
indent = indent.substring (2);
stream.println (indent + '}');
}
}
else
{
SymtabEntry tdtype = Util.typeOf (td.type ());
if (tdtype instanceof SequenceEntry || tdtype instanceof PrimitiveEntry || tdtype instanceof StringEntry)
index = ((JavaGenerator)tdtype.generator ()).write (index, indent, name, tdtype, stream);
else if (tdtype instanceof InterfaceEntry && tdtype.fullName ().equals ("org/omg/CORBA/Object"))
stream.println (indent + "ostream.write_Object (" + name + ");");
else
stream.println (indent + Util.helperName (tdtype, true) + ".write (ostream, " + name + ");"); // <d61056>
}
return index;
} // write
// From JavaGenerator
////////////////
protected Hashtable symbolTable = null;
protected TypedefEntry t = null;
} // class TypedefGen