gcj bug

Sat Jun 12 21:28:00 GMT 1999

Package mozilla's ldap java sdk http://www.mozilla.org/directory/
File netscape/LDAPConnection.java
Fails to compile method `search(java.lang.String,int,java.lang.String,java.lang.String[],boolean,netscape.ldap.LDAPSearchConstraints)'
 public LDAPSearchResults search( String base, int scope, String filter,
 String[] attrs, boolean attrsOnly, LDAPSearchConstraints cons )
 throws LDAPException {
 if (cons == null)
 cons = defaultConstraints;
 LDAPSearchResults returnValue = new LDAPSearchResults(this,
 cons, base, scope, filter, attrs, attrsOnly);
 Vector cacheValue = null;
 Long key = null;
 boolean isKeyValid = true;
 try {
 // get entry from cache which is a vector of JDAPMessages
 if (m_cache != null)
 {
 // create key for cache entry using search arguments
 key = m_cache.createKey(host, port, base, filter, scope, attrs, boundDN, cons);
 cacheValue = (Vector)m_cache.getEntry(key);
 if (cacheValue != null)
 return (new LDAPSearchResults(cacheValue, this, cons, base, scope,
 filter, attrs, attrsOnly));
 }
 } catch (LDAPException e) {
 isKeyValid = false;
 printDebug("Exception: "+e);
 }
 bind(cons);
 LDAPSearchListener myListener = getSearchListener ( cons );
 int deref = cons.getDereference();
 JDAPSearchRequest request = new JDAPSearchRequest (base,
 scope, deref, cons.getMaxResults(), cons.getTimeLimit(),
 attrsOnly, filter, attrs);
 synchronized(myListener) {
 boolean success = false;
 try {
 sendRequest (request, myListener, cons);
 success = true;
 } finally {
 if (!success)
 releaseSearchListener (myListener);
 }
 // if using cache, then need to add the key to the search listener.
 // The search listener retrieves the key and then add the key and
 // a vector of results to the hashtable.
 if ((m_cache != null) && (isKeyValid))
 myListener.setKey(key);
 }
 /* Synchronous search if all requested at once */
 if ( cons.getBatchSize() == 0 ) {
 try {
 /* Block until all results are in */
 JDAPMessage response = myListener.getResponse ();
 Enumeration results = myListener.getSearchResults ();
 try {
 checkSearchMsg(returnValue, response, cons, base, scope,
 filter, attrs, attrsOnly);
 } catch ( LDAPException ex ) {
 /* Was the exception caused by a bad referral? */
 JDAPProtocolOp op = response.getProtocolOp();
 if ( (op instanceof JDAPSearchResultReference) ||
 (op instanceof JDAPSearchResult) ){
 System.err.println( "LDAPConnection.checkSearchMsg: " +
 "ignoring bad referral" );
 } else {
 throw ex;
 }
 }
 while (results.hasMoreElements ()) {
 JDAPMessage msg = (JDAPMessage)results.nextElement();
 checkSearchMsg(returnValue, msg, cons, base, scope, filter, attrs,
 attrsOnly);
 }
 } catch (LDAPException ee) {
 throw ee;
 } finally {
 releaseSearchListener (myListener);
 }
 } else {
 /*
 * Asynchronous to retrieve one at a time, check to make sure
 * the search didn't fail
 */
 JDAPMessage firstResult = myListener.nextResult ();
 if (firstResult == null) {
 firstResult = myListener.getResponse ();
 try {
 checkSearchMsg(returnValue, firstResult, cons, base, scope,
 filter, attrs, attrsOnly);
 } finally {
 releaseSearchListener (myListener);
 }
 } else {
 /* First result could be a bad referral, ultimately causing
 a NO_SUCH_OBJECT exception. Don't want to miss all
 following results, so skip it. */
 try {
 checkSearchMsg(returnValue, firstResult, cons, base,
 scope, filter, attrs, attrsOnly);
 } catch ( LDAPException ex ) {
 /* Was the exception caused by a bad referral? */
 if (firstResult.getProtocolOp() instanceof
 JDAPSearchResultReference) {
 System.err.println( "LDAPConnection.checkSearchMsg: " +
 "ignoring bad referral" );
 } else {
 throw ex;
 }
 }
 LDAPControl[] controls = (LDAPControl[])getOption(LDAPv3.SERVERCONTROLS, cons);
 for (int i=0; (controls != null) && (i<controls.length); i++) {
 if ((controls[i].getClass().getName()).equals(PersistSearchPackageName))
 {
 returnValue.associatePersistentSearch (myListener);
 return returnValue;
 }
 }
 /* we let this listener get garbage collected.. */
 returnValue.associate (myListener);
 }
 }
 return returnValue;
 }
 /usr/local/lib/gcc-lib/i686-pc-linux-gnu/gcc-2.96/jc1 netscape/ldap/LDAPConnection.class -quiet -g1 -version -o /tmp/ccb3haaa.s
GNU Java version gcc-2.96 19990609 (experimental) (i686-pc-linux-gnu) compiled by GNU C version egcs-2.91.66 19990314/Linux (egcs-1.1.2 release).
netscape/ldap/LDAPConnection.java: In class `netscape.ldap.LDAPConnection':
netscape/ldap/LDAPConnection.java: In method `search(java.lang.String,int,java.lang.String,java.lang.String[],boolean,netscape.ldap.LDAPSearchConstraints)':
netscape/ldap/LDAPConnection.java:0: stack underflow
gdb /usr/local/lib/gcc-lib/i686-pc-linux-gnu/gcc-2.96/jc1
(gdb) bt 
#0 fatal (msgid=0x81a003b "stack underflow") at ../../egcs/gcc/toplev.c:1947
#1 0x8060968 in pop_type_0 (type=0x8200b60)
 at ../../../egcs/gcc/java/expr.c:290
#2 0x8060a6d in pop_type (type=0x8200b60) at ../../../egcs/gcc/java/expr.c:328
#3 0x806351b in process_jvm_instruction (PC=113, 
 byte_ops=0x8222c0f "031円006円ÃƒÂ‡", length=619)
 at ../../../egcs/gcc/java/expr.c:2265
#4 0x8063444 in expand_byte_code (jcf=0x81e5d80, method=0x8231ba0)
 at ../../../egcs/gcc/java/expr.c:2217
#5 0x806c43a in parse_class_file () at ../../../egcs/gcc/java/jcf-parse.c:726
#6 0x806c860 in yyparse () at ../../../egcs/gcc/java/jcf-parse.c:886
#7 0x8075362 in compile_file (
 name=0xbffffd81 "netscape/ldap/LDAPConnection.class")
 at ../../egcs/gcc/toplev.c:3265
#8 0x80781c7 in main (argc=8, argv=0xbffffc44) at ../../egcs/gcc/toplev.c:5441
#9 0x40030cb3 in __libc_start_main (main=0x8077308 <main>, argc=8, 
 argv=0xbffffc44, init=0x8049004 <_init>, fini=0x819101c <_fini>, 
 rtld_fini=0x4000a350 <_dl_fini>, stack_end=0xbffffc3c)
 at ../sysdeps/generic/libc-start.c:78
Method name:"search" public Signature: 690=(java.lang.String,int,java.lang.String,java.lang.String[],boolean,netscape.ldap.LDAPSearchConstraints)netscape.ldap.LDAPSearchResults
Attribute "Code", length:695, max_stack:10, max_locals:20, code_length:619
 0: aload 6
 2: ifnonnull 11
 5: aload_0
 6: getfield #209=<Field netscape.ldap.LDAPConnection.defaultConstraints netscape.ldap.LDAPSearchConstraints>
 9: astore 6
 11: new #105=<Class netscape.ldap.LDAPSearchResults>
 14: dup
 15: aload_0
 16: aload 6
 18: aload_1
 19: iload_2
 20: aload_3
 21: aload 4
 23: iload 5
 25: invokespecial #162=<Method netscape.ldap.LDAPSearchResults.<init> (netscape.ldap.LDAPConnection,netscape.ldap.LDAPSearchConstraints,java.lang.String,int,java.lang.String,java.lang.String[],boolean)void>
 28: astore 7
 30: aconst_null
 31: astore 8
 33: aconst_null
 34: astore 9
 36: iconst_1
 37: istore 10
 39: aload_0
 40: getfield #299=<Field netscape.ldap.LDAPConnection.m_cache netscape.ldap.LDAPCache>
 43: ifnull 137
 46: aload_0
 47: getfield #299=<Field netscape.ldap.LDAPConnection.m_cache netscape.ldap.LDAPCache>
 50: aload_0
 51: getfield #288=<Field netscape.ldap.LDAPConnection.host java.lang.String>
 54: aload_0
 55: getfield #324=<Field netscape.ldap.LDAPConnection.port int>
 58: aload_1
 59: aload_3
 60: iload_2
 61: aload 4
 63: aload_0
 64: getfield #190=<Field netscape.ldap.LDAPConnection.boundDN java.lang.String>
 67: aload 6
 69: invokevirtual #207=<Method netscape.ldap.LDAPCache.createKey (java.lang.String,int,java.lang.String,java.lang.String,int,java.lang.String[],java.lang.String,netscape.ldap.LDAPSearchConstraints)java.lang.Long>
 72: astore 9
 74: aload_0
 75: getfield #299=<Field netscape.ldap.LDAPConnection.m_cache netscape.ldap.LDAPCache>
 78: aload 9
 80: invokevirtual #241=<Method netscape.ldap.LDAPCache.getEntry (java.lang.Long)java.lang.Object>
 83: checkcast #86=<Class java.util.Vector>
 86: astore 8
 88: aload 8
 90: ifnull 137
 93: new #105=<Class netscape.ldap.LDAPSearchResults>
 96: dup
 97: aload 8
 99: aload_0
100: aload 6
102: aload_1
103: iload_2
104: aload_3
105: aload 4
107: iload 5
109: invokespecial #159=<Method netscape.ldap.LDAPSearchResults.<init> (java.util.Vector,netscape.ldap.LDAPConnection,netscape.ldap.LDAPSearchConstraints,java.lang.String,int,java.lang.String,java.lang.String[],boolean)void>
112: areturn
113: astore 11
115: iconst_0
116: istore 10
118: new #78=<Class java.lang.StringBuffer>
121: dup
122: ldc #16=<String "Exception: ">
...
	Tnks,
	Amancio