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src/share/classes/com/sun/tools/corba/se/idl/toJavaPortable/TCOffsets.java@6845b95cba6b (annotated)

src/share/classes/com/sun/tools/corba/se/idl/toJavaPortable/TCOffsets.java

Thu, 31 Aug 2017 18:10:36 +0800

author

aoqi

date

Thu, 31 Aug 2017 18:10:36 +0800

changeset 748

6845b95cba6b

parent 158

91006f157c46

parent 0

7ef37b2cdcad

permissions

-rw-r--r--

merge

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 1999, Oracle and/or its affiliates. All rights reserved.
aoqi@0	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0	4	*
aoqi@0	5	* This code is free software; you can redistribute it and/or modify it
aoqi@0	6	* under the terms of the GNU General Public License version 2 only, as
aoqi@0	7	* published by the Free Software Foundation. Oracle designates this
aoqi@0	8	* particular file as subject to the "Classpath" exception as provided
aoqi@0	9	* by Oracle in the LICENSE file that accompanied this code.
aoqi@0	10	*
aoqi@0	11	* This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0	12	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0	13	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0	14	* version 2 for more details (a copy is included in the LICENSE file that
aoqi@0	15	* accompanied this code).
aoqi@0	16	*
aoqi@0	17	* You should have received a copy of the GNU General Public License version
aoqi@0	18	* 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0	19	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0	20	*
aoqi@0	21	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0	22	* or visit www.oracle.com if you need additional information or have any
aoqi@0	23	* questions.
aoqi@0	24	*/
aoqi@0	25	/*
aoqi@0	26	* COMPONENT_NAME: idl.toJava
aoqi@0	27	*
aoqi@0	28	* ORIGINS: 27
aoqi@0	29	*
aoqi@0	30	* Licensed Materials - Property of IBM
aoqi@0	31	* 5639-D57 (C) COPYRIGHT International Business Machines Corp. 1997, 1999
aoqi@0	32	* RMI-IIOP v1.0
aoqi@0	33	*
aoqi@0	34	*/
aoqi@0	35
aoqi@0	36	package com.sun.tools.corba.se.idl.toJavaPortable;
aoqi@0	37
aoqi@0	38	// NOTES:
aoqi@0	39
aoqi@0	40	import java.util.Enumeration;
aoqi@0	41	import java.util.Hashtable;
aoqi@0	42
aoqi@0	43	import com.sun.tools.corba.se.idl.*;
aoqi@0	44
aoqi@0	45	// This class is passed through the JavaGenerator.HelperType methods.
aoqi@0	46	// It is ONLY used when a recursive sequence is detected. ie.
aoqi@0	47	//
aoqi@0	48	// struct S1
aoqi@0	49	// {
aoqi@0	50	// sequence <S1> others;
aoqi@0	51	// };
aoqi@0	52
aoqi@0	53	/**
aoqi@0	54	*
aoqi@0	55	**/
aoqi@0	56	public class TCOffsets
aoqi@0	57	{
aoqi@0	58	/**
aoqi@0	59	* Return -1 if the given name is not in the list of types.
aoqi@0	60	**/
aoqi@0	61	public int offset (String name)
aoqi@0	62	{
aoqi@0	63	Integer value = (Integer)tcs.get (name);
aoqi@0	64	return value == null ? -1 : value.intValue ();
aoqi@0	65	} // offset
aoqi@0	66
aoqi@0	67	/**
aoqi@0	68	*
aoqi@0	69	**/
aoqi@0	70	public void set (SymtabEntry entry)
aoqi@0	71	{
aoqi@0	72	if (entry == null)
aoqi@0	73	offset += 8;
aoqi@0	74	else
aoqi@0	75	{
aoqi@0	76	tcs.put (entry.fullName (), new Integer (offset));
aoqi@0	77	offset += 4;
aoqi@0	78	String repID = Util.stripLeadingUnderscoresFromID (entry.repositoryID ().ID ());
aoqi@0	79	if (entry instanceof InterfaceEntry)
aoqi@0	80	offset += alignStrLen (repID) + alignStrLen (entry.name ());
aoqi@0	81	else if (entry instanceof StructEntry)
aoqi@0	82	offset += alignStrLen (repID) + alignStrLen (entry.name ()) + 4;
aoqi@0	83	else if (entry instanceof UnionEntry)
aoqi@0	84	offset += alignStrLen (repID) + alignStrLen (entry.name ()) + 12;
aoqi@0	85	else if (entry instanceof EnumEntry)
aoqi@0	86	{
aoqi@0	87	offset += alignStrLen (repID) + alignStrLen (entry.name ()) + 4;
aoqi@0	88	Enumeration e = ((EnumEntry)entry).elements ().elements ();
aoqi@0	89	while (e.hasMoreElements ())
aoqi@0	90	offset += alignStrLen ((String)e.nextElement ());
aoqi@0	91	}
aoqi@0	92	else if (entry instanceof StringEntry)
aoqi@0	93	offset += 4;
aoqi@0	94	else if (entry instanceof TypedefEntry)
aoqi@0	95	{
aoqi@0	96	offset += alignStrLen (repID) + alignStrLen (entry.name ());
aoqi@0	97	if (((TypedefEntry)entry).arrayInfo ().size () != 0)
aoqi@0	98	offset += 8;
aoqi@0	99	}
aoqi@0	100	}
aoqi@0	101	} // set
aoqi@0	102
aoqi@0	103	/**
aoqi@0	104	* Return the full length of the string type: 4 byte length, x bytes for
aoqi@0	105	* string + 1 for the null terminator, align it so it ends on a 4-byte
aoqi@0	106	* boundary. This method assumes the string starts at a 4-byte boundary
aoqi@0	107	* since it doesn't do any leading alignment.
aoqi@0	108	**/
aoqi@0	109	public int alignStrLen (String string)
aoqi@0	110	{
aoqi@0	111	int len = string.length () + 1;
aoqi@0	112	int align = 4 - (len % 4);
aoqi@0	113	if (align == 4) align = 0;
aoqi@0	114	return len + align + 4;
aoqi@0	115	} // alignStrLen
aoqi@0	116
aoqi@0	117	/**
aoqi@0	118	*
aoqi@0	119	**/
aoqi@0	120	public void setMember (SymtabEntry entry)
aoqi@0	121	{
aoqi@0	122	offset += alignStrLen (entry.name ());
aoqi@0	123	if (((TypedefEntry)entry).arrayInfo ().size () != 0)
aoqi@0	124	offset += 4;
aoqi@0	125	} // setMember
aoqi@0	126
aoqi@0	127	/**
aoqi@0	128	*
aoqi@0	129	**/
aoqi@0	130	public int currentOffset ()
aoqi@0	131	{
aoqi@0	132	return offset;
aoqi@0	133	} // currentOffset
aoqi@0	134
aoqi@0	135	/**
aoqi@0	136	*
aoqi@0	137	**/
aoqi@0	138	public void bumpCurrentOffset (int value)
aoqi@0	139	{
aoqi@0	140	offset += value;
aoqi@0	141	} // bumpCurrentOffset
aoqi@0	142
aoqi@0	143	private Hashtable tcs = new Hashtable ();
aoqi@0	144	private int offset = 0;
aoqi@0	145	} // class TCOffsets