aboutsummaryrefslogtreecommitdiffstats
path: root/C2J/CFuncDeclaration.java
blob: 014e78f1ca6bd583022fe881d4407765caad0e93 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
/**
 * @(#) CFuncDeclaration.java
 */

import java.lang.System;
import java.lang.String;
import java.util.Vector;

/**
 * The function-declaration holder !
 *
 * @see CFuncVariable
 * @version 	1.00, 12. Novemeber 1999
 * @author      Sven Goethel
 * 
 */
public class CFuncDeclaration 
	implements Cloneable
{
	public boolean isValid;

	public CFuncVariable 	funcSpec;
	public Vector 		argList;


	public static final String jniFuncPrefixStd= "Java_" ;
	public static final String jniFuncArgPrefix="JNIEnv *env, jobject obj";

	public static final int FUNC_ERROR			= 0;
	public static final int FUNC_OK				= 1;
	public static final int FUNC_TYPE_MISSING		= 2;
	public static final int FUNC_NAME_MISSING		= 3;
	public static final int FUNC_LASTARG_INCOMPLETE		= 4;

	public CFuncDeclaration()
	{
		isValid 	= true;
		funcSpec 	= null;
		argList   	= new Vector();
	}

	protected Object clone()
	                throws CloneNotSupportedException
	{
		int i;
		CFuncDeclaration nobj = new CFuncDeclaration();

		nobj.isValid=isValid;

		try {
			nobj.funcSpec=(CFuncVariable)funcSpec.clone();
		} catch (Exception ex) {}

		for(i=0; i<argList.size(); i++)
		{
			CFuncVariable cfvar = (CFuncVariable)
							argList.elementAt(i);
			try {
				nobj.argList.addElement(cfvar.clone());
			} catch (Exception ex) {}
		}

		return nobj;
	}

	public int getBuildState()
	{
		if(funcSpec==null ||
		   (funcSpec.typeC==null && funcSpec.typeJava==null)
		  )
		{
			return FUNC_TYPE_MISSING;
		}

		if(funcSpec!=null && funcSpec.identifier==null)
			return FUNC_NAME_MISSING;

		if(funcSpec==null)
		{
		   System.err.println("ERROR: FunctionSpec is null !");
		   return FUNC_ERROR;
		}

		if(funcSpec!=null &&
		   (funcSpec.typeC==null || funcSpec.typeJava==null)
		  )
		{
		   System.err.println("ERROR: FunctionSpec: typeC or typeJava is null !");
		   return FUNC_ERROR;
		}

		int i;
		CFuncVariable cfvar = null;

		for(i=0; i<argList.size(); i++)
		{
			cfvar = (CFuncVariable)argList.elementAt(i);
			if(cfvar.complete==false && i<argList.size()-1)
			{
			   System.err.println("ERROR: FunctionSpec: argList["+i+"] != complete - even if it is not the last working element !");
			   return FUNC_ERROR;
			}
			else if(cfvar.complete==true &&
			        ( cfvar.typeC == null ||
			          cfvar.typeJava == null ||
			          cfvar.identifier == null
				)
			       )
			{
			   System.err.println("ERROR: FunctionSpec: argList["+i+"] is set to complete - even if its members are not set complete !");
			   return FUNC_ERROR;
			}
			else if(cfvar.complete==false)
				return FUNC_LASTARG_INCOMPLETE;
		}
		return FUNC_OK;
	}

	public boolean isValid()
	{
		return getBuildState()==FUNC_OK;
	}

	public CFuncVariable getWorkingVar()
	{
		int state = getBuildState();

		if(state==FUNC_ERROR) return null;

		if(funcSpec==null && state==FUNC_TYPE_MISSING)
		{
			funcSpec = new CFuncVariable(false);
			return funcSpec;
		}
		else if(state==FUNC_TYPE_MISSING || state==FUNC_NAME_MISSING)
		{
			return funcSpec;
		}
		else if(state==FUNC_LASTARG_INCOMPLETE)
		{
			return (CFuncVariable)
				argList.elementAt(argList.size()-1);
		}

		CFuncVariable cfvar = new CFuncVariable(false);
		argList.addElement(cfvar);
		return cfvar;
	}

	public void setWorkingVar(CFuncVariable cfvar)
	{
		int state = getBuildState();

		if(state==FUNC_ERROR) return ;

		if(funcSpec==null ||
		   state==FUNC_TYPE_MISSING || state==FUNC_NAME_MISSING
		  )
		{
			funcSpec=cfvar;
			return;
		}
		else if(state==FUNC_LASTARG_INCOMPLETE)
		{
			argList.setElementAt(cfvar, argList.size()-1);
			return;
		}

		argList.addElement(cfvar);
		return;
	}

	public CFuncVariable getLastIncompleteVar()
	{
		int state = getBuildState();

		if(state==FUNC_LASTARG_INCOMPLETE)
		{
			return (CFuncVariable) 
					argList.elementAt(argList.size()-1);
		}

		return null;
	}

	public String state2String()
	{
		int state = getBuildState();   

		return state2String(state);
	}

	public static String state2String(int state)
	{
		switch (state)
		{
			case FUNC_OK	: 
					return "OK";
			case FUNC_TYPE_MISSING: 
					return "TYPE MISSING";
			case FUNC_NAME_MISSING: 
					return "NAME MISSING";
			case FUNC_LASTARG_INCOMPLETE: 
					return "LAST ARG INCOMPLETE";
			case FUNC_ERROR: 
			default:
					return "ERROR";
		}
	}

	public String args2JavaStrList()
	{
		String res = new String();
		CFuncVariable cfvar;
		int i,j;

		for (i=0; i<argList.size(); i++)
		{
		  	cfvar = (CFuncVariable) argList.elementAt(i);
			res += "\t\t" + 
			        cfvar.getJavaTypeString() + " " + 
				cfvar.identifier ;

			if(i<argList.size()-1)
				res += ",\n";
			else
				res += "\n";
		}
		return res;
	}

	public String argsType2CStrList()
	{
		String res = new String();
		CFuncVariable cfvar;
		int i,j;

		for (i=0; i<argList.size(); i++)
		{
		  	cfvar = (CFuncVariable) argList.elementAt(i);
			res +=  cfvar.getCTypeString();

			if(i<argList.size()-1)
				res += ", ";
		}
		return res;
	}

	public String toString()
	{
		String tmp = new String();

		tmp += state2String() + ": " ;

		int i;
		CFuncVariable cfvar = null;

		if(funcSpec==null)
			tmp+="<type> <name> (";
		else
			tmp+=funcSpec.toString()+" (\n";

		for(i=0; i<argList.size(); i++)
		{
			cfvar = (CFuncVariable)argList.elementAt(i);
			tmp+="\t"+i+": "+cfvar.toString()+", \n";
		}
		tmp += ");\n" ;

		return tmp;
	}

	/**
	 * Generates a 'clone' of THIS instance AND
	 * changes the "typeJava" which must be a "void" Pointer
	 * in the arguments-vector,
	 * to another basic type, e.g. "typeJava":="int" !!
	 *
	 * @arg customType the new type
	 * @arg which      the Void-Pointer number within the arg-vector, 
	 *                 or "-1" for all Void-Pointer
	 *                 E.g.: "0" for ther first occurence of a Void-Pointer
	 * @return         The changed clone of THIS
	 */
	protected CFuncDeclaration getChangedVoidPtr2CustomPtrClone
					(String customType, int which)
	{
		CFuncDeclaration tmp = null;

		try {
			tmp = (CFuncDeclaration) this.clone();	
		} catch (Exception ex)
		{ System.err.println(ex);}

		if(tmp==null)
			return null;

		CFuncVariable cfvar;
		int i,n;
		boolean isNewTypeVoid = customType.equals("void");

		for (i=0,n=0 ; i<tmp.argList.size(); i++)
		{
		  	cfvar = (CFuncVariable) tmp.argList.elementAt(i);
			if(cfvar.isVoid && cfvar.arrayNumber>0)
			{
				if(which==n || which<0)
				{
					cfvar.typeJava=customType;
					cfvar.isVoid=isNewTypeVoid;
				}
				if(which==n)
					break; /* job done - leave loop */
				n++;
			}
		}
		return tmp;
	}

	protected String args2JNIStrList()
	{
		String res = new String();
		CFuncVariable cfvar;
		int i,j;

		for (i=0; i<argList.size(); i++)
		{
		  	cfvar = (CFuncVariable) argList.elementAt(i);
			res += ",\n\t\t" + 
			        cfvar.getJNITypeString() + " " + 
				cfvar.identifier ;
		}
		return res;
	}

	protected int getNumberOfVoidPointerArgs()
	{
		CFuncVariable cfvar;
		int i;
		int n;

		for (i=0, n=0; i<argList.size(); i++)
		{
		  	cfvar = (CFuncVariable) argList.elementAt(i);
			if(cfvar.isVoid && cfvar.arrayNumber>0)
				n++;
		}
		return n;
	}

	protected String getFuncArgsSignature()
	{
		String res = new String();
		CFuncVariable cfvar;
		int i,j;

		res += "__";

		for (i=0; i<argList.size(); i++)
		{
		  	cfvar = (CFuncVariable) argList.elementAt(i);
			for (j=0; j<cfvar.arrayNumber; j++)
				res+="_3"; /* "[" -> type[] */
			if(cfvar.typeJava.equals("boolean"))
				res+="Z";
			else if(cfvar.typeJava.equals("byte"))
				res+="B";
			else if(cfvar.typeJava.equals("char"))
				res+="C";
			else if(cfvar.typeJava.equals("short"))
				res+="S";
			else if(cfvar.typeJava.equals("int"))
				res+="I";
			else if(cfvar.typeJava.equals("long"))
				res+="J";
			else if(cfvar.typeJava.equals("float"))
				res+="F";
			else if(cfvar.typeJava.equals("double"))
				res+="D";
			else if(cfvar.typeJava.equals("String"))
				res+="Ljava_lang_String_2";
		}
		return res;
	}

	protected String __toJniJavaCode(boolean isFinal)
	{
		String res = new String();

		if(funcSpec.arrayNumber>0)
		{
			System.err.println("ERROR: Pointer As Function-ReturnType is not supported yet !");
			System.err.println("Function: "+funcSpec);
			return "";
		}

		if(isFinal)
		       res += "\tpublic final native ";
		else
		       res += "\tpublic native ";

		res += funcSpec.getJavaTypeString() + " " + 
		       funcSpec.identifier + " (\n";

	        res += args2JavaStrList();
		res += "\t) ;\n";

		return res;
	}

	public String toJniJavaCode(boolean isFinal)
	{
		int numberOfVoidPointerArgs = getNumberOfVoidPointerArgs();

		if(numberOfVoidPointerArgs==0)
		{
			return  __toJniJavaCode(isFinal);
		}

		CFuncDeclaration tmp = null;
		String res = new String();

		tmp=getChangedVoidPtr2CustomPtrClone("byte", -1);
		if(tmp!=null) res+=tmp.__toJniJavaCode(isFinal);

		tmp=getChangedVoidPtr2CustomPtrClone("short", -1);
		if(tmp!=null) res+=tmp.__toJniJavaCode(isFinal);

		tmp=getChangedVoidPtr2CustomPtrClone("int", -1);
		if(tmp!=null) res+=tmp.__toJniJavaCode(isFinal);

		tmp=getChangedVoidPtr2CustomPtrClone("float", -1);
		if(tmp!=null) res+=tmp.__toJniJavaCode(isFinal);

		tmp=getChangedVoidPtr2CustomPtrClone("double", -1);
		if(tmp!=null) res+=tmp.__toJniJavaCode(isFinal);

		tmp=getChangedVoidPtr2CustomPtrClone("boolean", -1);
		if(tmp!=null) res+=tmp.__toJniJavaCode(isFinal);

		tmp=getChangedVoidPtr2CustomPtrClone("long", -1);
		if(tmp!=null) res+=tmp.__toJniJavaCode(isFinal);

		return res;
	}

	protected String __toJniCCode(String clazzName, int exportMode, 
			              int modifier, boolean overloaded)
	{
		String res = new String();
		CFuncVariable cfvar;
		int i;

		if(funcSpec.arrayNumber>0)
		{
			System.err.println("ERROR: Pointer As Function-ReturnType is not supported yet !");
			System.err.println("Function: "+funcSpec);
			return "";
		}

	        res += "\tJNIEXPORT " + funcSpec.getJNITypeString() + 
		        " JNICALL\n" ;

		res += "\t" + 
		       jniFuncPrefixStd+clazzName+"_"+funcSpec.identifier;
		       
		if(overloaded)
			res += getFuncArgsSignature();
		res += " (\n";

		res += "\t\t"+jniFuncArgPrefix;
	        res += args2JNIStrList();
		res += ")\n";

		res += "\t{\n";

		//
		// Add the return variable 
		//
		if(funcSpec.typeJava.equals("void")==false)
		{
		    res += "\t\t"+funcSpec.getJNITypeString()+" ret;\n\n";
		}

		String jniCMethodBaseType;

		//
		// Adding the JNI access Methods 
		// for Arrays ...
		// THE VARABLE DEFINITIONS
		//
		for (i=0;  i<argList.size() ; i++ )
		{
		  cfvar = (CFuncVariable) argList.elementAt(i);

		  if(cfvar.typeJava.equals("String") && cfvar.arrayNumber==1)
		  {
		    res += "\t\tchar *ptr" + i +
				" = NULL;\n";
	          } else if( cfvar.arrayNumber>0 )
		  {

		    jniCMethodBaseType = cfvar.getJniCMethodBaseType();

		    if( !cfvar.isConst || 
		        (modifier&C2J.MODIFIER_JNI_COPY_CHECK)>0 )
		      res += "\t\tjboolean isCopiedArray" +i+ " = JNI_FALSE;\n";

		    res += "\t\t" + 
				"j" + cfvar.typeJava +
				" *ptr" + i + 
				" = NULL;\n";

		    if( (modifier&C2J.MODIFIER_JNI_COPY_CHECK )>0 )
		    {
			    //
			    // JAU COPY Warning, if copy is used !!!
			    //
			    res += "\t\tstatic int isWarned"+i+" = 0;\n";
		    }
		  }
		}

	        res += "\n" ;

		if(exportMode==C2J.EXPORT_JNI_C_DYN)
		{
			//
			// Add the query if the dynamic native function pointer is != NULL
			//
			res += "\t\tif ( disp__"+funcSpec.identifier+" == NULL ) return";

			if(funcSpec.typeJava.equals("void")==false)
				res += " 0";
			res += ";\n\n";
		}

		//
		// Adding the JNI access Methods 
		// for Arrays ...
		// THE ARGUMENT ACCESS
		//
		for (i=0;  i<argList.size() ; i++ )
		{
		  cfvar = (CFuncVariable) argList.elementAt(i);

		  if(cfvar.typeJava.equals("String") && cfvar.arrayNumber==1)
		  {
		    res += "\t\tptr" + i + " = " +
			   "jnitoolsGetJavaString(env, "+cfvar.identifier+
			   ");\n";
		  } else if( cfvar.arrayNumber>0 )
		  {
		    jniCMethodBaseType = cfvar.getJniCMethodBaseType();

		    res += "\t\tif("+cfvar.identifier+"!=NULL)\n";
		    res += "\t\t{\n";

		    if ( (modifier&C2J.MODIFIER_JNI_CRITICAL_ARRAY)>0 ) 
		    {
			    if( !cfvar.isConst || 
				(modifier&C2J.MODIFIER_JNI_COPY_CHECK)>0 )
			    {
				 res += "\t\t\t" + 
					"ptr" + i + " = " +
					"(j" + cfvar.typeJava + " *) " +
					"(*env)->GetPrimitiveArrayCritical" +
					"(env, " + cfvar.identifier + ", " + 
					"&isCopiedArray"+i+");\n";
			     } else {
				 res += "\t\t\t" + 
					"ptr" + i + " = " +
					"(j" + cfvar.typeJava + " *) " +
					"(*env)->GetPrimitiveArrayCritical" +
					"(env, " + cfvar.identifier + ", 0);\n";
			     }
		    } else {
			    if( !cfvar.isConst || 
				(modifier&C2J.MODIFIER_JNI_COPY_CHECK)>0 )
			    {
				 res += "\t\t\t" + 
					"ptr" + i + " = " +
					"(*env)->Get" + jniCMethodBaseType + 
					"ArrayElements(env, " +
					cfvar.identifier + ", " + 
					"&isCopiedArray"+i+");\n";
			     } else {
				 res += "\t\t\t" + 
					"ptr" + i + " = " +
					"(*env)->Get" + jniCMethodBaseType + 
					"ArrayElements(env, " +
					cfvar.identifier + ", 0);\n";
			     }
		    }
		    if( (modifier&C2J.MODIFIER_JNI_COPY_CHECK)>0 )
		    {
			//
			// JAU COPY Warning, if copy is used !!!
			//
		        res += "\t\t\tif( isCopiedArray"+i+" == JNI_TRUE && isWarned"+i+"==0 ) {\n";
		        res += "\t\t\t\tisWarned"+i+"=1;\n";
		        res += "\t\t\t\tprintf(\"COPY by "+funcSpec.identifier+" arg: "+cfvar.identifier+"\");\n";
		        res += "\t\t\t}\n";
		    }
		    res += "\t\t}\n";

		  }
		}

		//
		// Add the return variable assignment, incl. casting !
		//
		if(funcSpec.typeC.equals("void")==false)
		{
		    res += "\t\tret = ("+funcSpec.getJNITypeString()+") ";
		}
		else res += "\t\t";

		//
		// Add the native function call !
		//
		if(exportMode==C2J.EXPORT_JNI_C)
			res += funcSpec.identifier + " (\n";
		else
			res += "disp__"+funcSpec.identifier + " (\n";


		for (i=0;  i<argList.size() ; i++ )
		{
		    cfvar = (CFuncVariable) argList.elementAt(i);

		    // 
		    // add a casting to the found 
		    // original type, e.g.: OpenGL-Types
		    //
		    res += "\t\t\t(" + cfvar.getCTypeString() +") ";

		    if( cfvar.arrayNumber>0 )
			res += "ptr"+i;
		    else 
			res += cfvar.identifier;

		    if(i<argList.size()-1)
			res += ",\n"; 
		    else
			res += "\n"; 
		}
		res += "\t\t);\n\n";

		//
		// Adding the JNI release Methods 
		// for Arrays ... depending of const-Array and pinning
		//
		for (i=0;  i<argList.size() ; i++ )
		{
		  cfvar = (CFuncVariable) argList.elementAt(i);

		  if(cfvar.typeJava.equals("String") && cfvar.arrayNumber==1)
		  {
		    res += "\t\tfree(ptr"+i+");\n";
		  } else if( cfvar.arrayNumber>0 )
		  {
		    jniCMethodBaseType = cfvar.getJniCMethodBaseType();

		    res += "\t\tif("+cfvar.identifier+"!=NULL)\n";
		    res += "\t\t{\n";
		    if ( (modifier&C2J.MODIFIER_JNI_CRITICAL_ARRAY)>0 ) 
		    {
			    if( !cfvar.isConst )
			    {
				// 
				// Free the memory, or the pinning lock.
				// A copy is needed, 
				// if the Get*Array method used
				// the copy method !
				//
				res += "\t\t\t(*env)->ReleasePrimitiveArrayCritical" + 
					"(env,  "+ cfvar.identifier +
					", ptr" + i + ", "
					+"(isCopiedArray"+i+" == JNI_TRUE)?0:JNI_ABORT"
					+");\n";
			    } else {
				// 
				// Just free the memory, or the pinning lock.
				// No copy needed, 
				// because of the const data type !
				//
				res += "\t\t\t(*env)->ReleasePrimitiveArrayCritical" + 
					"(env,  "+ cfvar.identifier +
					", ptr" + i + ", JNI_ABORT);\n";
			    }
		    } else {
			    if( !cfvar.isConst )
			    {
				// 
				// Free the memory, or the pinning lock.
				// A copy is needed, 
				// if the Get*Array method used
				// the copy method !
				//
				res += "\t\t\t(*env)->Release" + 
					jniCMethodBaseType+
					"ArrayElements(env,  "+ 
					cfvar.identifier +
					", ptr" + i + ", "
					+"(isCopiedArray"+i+" == JNI_TRUE)?0:JNI_ABORT"
					+");\n";
			    } else {
				// 
				// Just free the memory, or the pinning lock.
				// No copy needed, 
				// because of the const data type !
				//
				res += "\t\t\t(*env)->Release" + 
				        jniCMethodBaseType+
					"ArrayElements(env,  "+ 
					cfvar.identifier +
					", ptr" + i + ", JNI_ABORT);\n";
			    }
		    }
		    res += "\t\t}\n";
		  }
		}

		//
		// Let's give the baby to the caller  ...
		//
		if(funcSpec.typeJava.equals("void")==false)
			res += "\t\treturn ret;\n";
		res += "\t}\n";

		return res;
	}

	public String toJniCCode(String clazzName, int exportMode, int modifier)
	{
		int numberOfVoidPointerArgs = getNumberOfVoidPointerArgs();

		if(numberOfVoidPointerArgs==0)
		{
			return  __toJniCCode(clazzName, exportMode, modifier, false);
		}

		CFuncDeclaration tmp = null;
		String res = new String();

		tmp=getChangedVoidPtr2CustomPtrClone("byte", -1);
		if(tmp!=null) res+=tmp.__toJniCCode(clazzName, exportMode, modifier, true);

		tmp=getChangedVoidPtr2CustomPtrClone("short", -1);
		if(tmp!=null) res+=tmp.__toJniCCode(clazzName, exportMode, modifier, true);

		tmp=getChangedVoidPtr2CustomPtrClone("int", -1);
		if(tmp!=null) res+=tmp.__toJniCCode(clazzName, exportMode, modifier, true);

		tmp=getChangedVoidPtr2CustomPtrClone("float", -1);
		if(tmp!=null) res+=tmp.__toJniCCode(clazzName, exportMode, modifier, true);

		tmp=getChangedVoidPtr2CustomPtrClone("double", -1);
		if(tmp!=null) res+=tmp.__toJniCCode(clazzName, exportMode, modifier, true);

		tmp=getChangedVoidPtr2CustomPtrClone("boolean", -1);
		if(tmp!=null) res+=tmp.__toJniCCode(clazzName, exportMode, modifier, true);

		tmp=getChangedVoidPtr2CustomPtrClone("long", -1);
		if(tmp!=null) res+=tmp.__toJniCCode(clazzName, exportMode, modifier, true);

		return res;
	}

	protected String __toMsJDirectCode(String dllname)
	{
		String res = new String();
		CFuncVariable cfvar;
		int i;

		if(funcSpec.arrayNumber>0)
		{
			System.err.println("ERROR: Pointer As Function-ReturnType is not supported yet !");
			System.err.println("Function: "+funcSpec);
			return "";
		}

		//
		// Use The JDirect security tag to make security calls easy !
		// This one grants access to all MSJVM's >=
		//       "Microsoft (R) VM for Java, 5.0 Release 5.0.0.3186"
		// without signing the applet !!!
		//
		// Making the mapping from the "static native" wrapper function
		// to the corresponding native function
		//
		res += "\t/**\n";
		res += "\t * @dll.import(\""+dllname+"\",entrypoint=\""+
		       funcSpec.identifier+"\")\n";
		res += "\t */\n";

		// 
		// adding the "static native" wrapper function
		//
	        res += "\tprivate static native ";
		res += funcSpec.getJavaTypeString() + 
		       " __" + funcSpec.identifier + " (\n";
	        res += args2JavaStrList();
		res += "\t) ;\n";

		// 
		// adding our GL4Java glue to the 
		// "static native" wrapper function
		//
	        res += "\tpublic final ";
		res += funcSpec.getJavaTypeString() + 
		       " " + funcSpec.identifier + " (\n";
	        res += args2JavaStrList();
		res += "\t)\n";
		res += "\t{\n";
		res += "\t\t";
		if(funcSpec.typeJava.equals("void")==false)
			res += "return ";
		res += "disp__"+funcSpec.identifier+"(\n";
		for (i=0; i<argList.size(); i++)
		{
		  	cfvar = (CFuncVariable) argList.elementAt(i);
			res += "\t\t\t" + cfvar.identifier ;
			if(i<argList.size()-1)
				res += ",\n";
			else
				res += "\n";
		}
		res += "\t\t) ;\n";
		res += "\t}\n";

		return res;
	}

	public String toMsJDirectCode(String dllname)
	{
		int numberOfVoidPointerArgs = getNumberOfVoidPointerArgs();

		if(numberOfVoidPointerArgs==0)
		{
			return  __toMsJDirectCode(dllname);
		}

		CFuncDeclaration tmp = null;
		String res = new String();

		tmp=getChangedVoidPtr2CustomPtrClone("byte", -1);
		if(tmp!=null) res+=tmp.__toMsJDirectCode(dllname);

		tmp=getChangedVoidPtr2CustomPtrClone("short", -1);
		if(tmp!=null) res+=tmp.__toMsJDirectCode(dllname);

		tmp=getChangedVoidPtr2CustomPtrClone("int", -1);
		if(tmp!=null) res+=tmp.__toMsJDirectCode(dllname);

		tmp=getChangedVoidPtr2CustomPtrClone("float", -1);
		if(tmp!=null) res+=tmp.__toMsJDirectCode(dllname);

		tmp=getChangedVoidPtr2CustomPtrClone("double", -1);
		if(tmp!=null) res+=tmp.__toMsJDirectCode(dllname);

		tmp=getChangedVoidPtr2CustomPtrClone("boolean", -1);
		if(tmp!=null) res+=tmp.__toMsJDirectCode(dllname);

		tmp=getChangedVoidPtr2CustomPtrClone("long", -1);
		if(tmp!=null) res+=tmp.__toMsJDirectCode(dllname);

		return res;
	}

        /**
	*
	* For testing and documentation purposes !
        *
        * @param args  The default cmd-line arguments,
	*              not used here !
        *
        * @return      Nothing !
        *
        * @see	CFuncDeclaration
        * @see	CFuncVariable
        */
	public static void main(String args[])
	{
		CFuncDeclaration cfunc;
		CFuncVariable cfvar;
		int i;
		boolean doubleArray;

		//
		// Simulation fuer die Konvertierung nach Java (JNI+MS)
		// und C (JNI Glue Functions)
		//
		System.out.println("\n\nTEST with getWorkingVar !!!!!!");
		cfunc = new CFuncDeclaration();
		System.out.println("creation: "+cfunc);
		cfvar = cfunc.getWorkingVar();
		System.out.println("after fetching 1st working var: "+cfunc);
		cfvar.typeC = "int";
		cfvar.typeJava  = "int";
		System.out.println("after setting funcSpec.type: "+cfunc);
		cfvar.identifier  = "testFunction";
		cfvar.complete  = true;
		System.out.println("after setting funcSpec.name: "+cfunc);

		for(i=0, doubleArray=false; i<4; i++)
		{
			cfvar = cfunc.getWorkingVar();
			if(i%2==0)
			{
				cfvar.arrayNumber=doubleArray?1:2;
				doubleArray=!doubleArray;
			}
			if(i%3==0)
				cfvar.isConst=true;
			cfvar.typeC = "int";
			cfvar.typeJava  = "int";
			cfvar.identifier  = "arg"+i;
			cfvar.complete  = true;
		}
		cfvar = cfunc.getWorkingVar();
		cfvar.arrayNumber=1;
		cfvar.typeC = "GLvoid";
		cfvar.typeJava  = "void";
		cfvar.identifier  = "anyptr1";
		cfvar.isVoid    = true;
		cfvar.complete  = true;

		System.out.println("after all:"+cfunc);
		System.out.println("\n\nTEST JNI JAVA (!final && final):");
		System.out.println(cfunc.toJniJavaCode(false));
		System.out.println(cfunc.toJniJavaCode(true));
		System.out.println("\n\nTEST MS-JDirect Java:");
		System.out.println(cfunc.toMsJDirectCode("OPENGL32"));
		System.out.println("\n\nTEST JNI C:");
		System.out.println(cfunc.toJniCCode("jau_Demo",
				   C2J.EXPORT_JNI_C_DYN, 0));

		cfvar.arrayNumber=2;
		cfvar.isConst=true;

		System.out.println("\n\nTEST JNI JAVA (!final && final):");
		System.out.println(cfunc.toJniJavaCode(false));
		System.out.println(cfunc.toJniJavaCode(true));
		System.out.println("\n\nTEST MS-JDirect Java:");
		System.out.println(cfunc.toMsJDirectCode("GLU32"));
		System.out.println("\n\nTEST JNI C:");
		System.out.println(cfunc.toJniCCode("jau_Demo",
				   C2J.EXPORT_JNI_C_DYN, 0));

		return;
	}
}