2 import IR.Tree.FlagExpressionNode;
3 import IR.Tree.DNFFlag;
4 import IR.Tree.DNFFlagAtom;
5 import IR.Tree.TagExpressionList;
10 import Analysis.TaskStateAnalysis.FlagState;
11 import Analysis.TaskStateAnalysis.OptionalTaskDescriptor;
12 import Analysis.TaskStateAnalysis.Predicate;
13 import Analysis.Locality.LocalityAnalysis;
14 import Analysis.Locality.LocalityBinding;
16 public class BuildCode {
19 Hashtable paramstable;
24 String localsprefix="___locals___";
25 String paramsprefix="___params___";
26 String oidstr="___nextobject___";
27 String nextobjstr="___nextobject___";
28 String localcopystr="___localcopy___";
29 public static boolean GENERATEPRECISEGC=false;
30 public static String PREFIX="";
31 public static String arraytype="ArrayObject";
34 private int maxtaskparams=0;
35 private int maxcount=0;
36 ClassDescriptor[] cdarray;
37 TypeDescriptor[] arraytable;
38 LocalityAnalysis locality;
39 Hashtable<TempDescriptor, TempDescriptor> backuptable;
40 Hashtable<LocalityBinding, TempDescriptor> reverttable;
42 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil) {
43 this(st, temptovar, typeutil, null);
46 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, LocalityAnalysis locality) {
48 this.temptovar=temptovar;
49 paramstable=new Hashtable();
50 tempstable=new Hashtable();
51 fieldorder=new Hashtable();
52 flagorder=new Hashtable();
53 this.typeutil=typeutil;
54 virtualcalls=new Virtual(state,locality);
56 this.locality=locality;
57 this.backuptable=new Hashtable<TempDescriptor, TempDescriptor>();
58 this.reverttable=new Hashtable<LocalityBinding, TempDescriptor>();
62 /** The buildCode method outputs C code for all the methods. The Flat
63 * versions of the methods must already be generated and stored in
64 * the State object. */
66 public void buildCode() {
67 /* Create output streams to write to */
68 PrintWriter outclassdefs=null;
69 PrintWriter outstructs=null;
70 PrintWriter outrepairstructs=null;
71 PrintWriter outmethodheader=null;
72 PrintWriter outmethod=null;
73 PrintWriter outvirtual=null;
74 PrintWriter outtask=null;
75 PrintWriter outtaskdefs=null;
76 PrintWriter outoptionalarrays=null;
77 PrintWriter optionalheaders=null;
80 outstructs=new PrintWriter(new FileOutputStream(PREFIX+"structdefs.h"), true);
81 outmethodheader=new PrintWriter(new FileOutputStream(PREFIX+"methodheaders.h"), true);
82 outclassdefs=new PrintWriter(new FileOutputStream(PREFIX+"classdefs.h"), true);
83 outmethod=new PrintWriter(new FileOutputStream(PREFIX+"methods.c"), true);
84 outvirtual=new PrintWriter(new FileOutputStream(PREFIX+"virtualtable.h"), true);
86 outtask=new PrintWriter(new FileOutputStream(PREFIX+"task.h"), true);
87 outtaskdefs=new PrintWriter(new FileOutputStream(PREFIX+"taskdefs.c"), true);
89 outoptionalarrays=new PrintWriter(new FileOutputStream(PREFIX+"optionalarrays.c"), true);
90 optionalheaders=new PrintWriter(new FileOutputStream(PREFIX+"optionalstruct.h"), true);
93 if (state.structfile!=null) {
94 outrepairstructs=new PrintWriter(new FileOutputStream(PREFIX+state.structfile+".struct"), true);
96 } catch (Exception e) {
101 /* Build the virtual dispatch tables */
102 buildVirtualTables(outvirtual);
104 /* Output includes */
105 outmethodheader.println("#ifndef METHODHEADERS_H");
106 outmethodheader.println("#define METHODHEADERS_H");
107 outmethodheader.println("#include \"structdefs.h\"");
109 outmethodheader.println("#include \"dstm.h\"");
111 /* Output Structures */
112 outputStructs(outstructs);
114 // Output the C class declarations
115 // These could mutually reference each other
116 outputClassDeclarations(outclassdefs);
118 // Output function prototypes and structures for parameters
119 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
120 while(it.hasNext()) {
121 ClassDescriptor cn=(ClassDescriptor)it.next();
122 generateCallStructs(cn, outclassdefs, outstructs, outmethodheader);
124 outclassdefs.close();
127 /* Map flags to integers */
128 /* The runtime keeps track of flags using these integers */
129 it=state.getClassSymbolTable().getDescriptorsIterator();
130 while(it.hasNext()) {
131 ClassDescriptor cn=(ClassDescriptor)it.next();
135 generateTaskStructs(outstructs, outmethodheader);
137 /* Outputs generic task structures if this is a task
139 outputTaskTypes(outtask);
142 /* Build the actual methods */
143 outputMethods(outmethod);
146 /* Output code for tasks */
147 outputTaskCode(outtaskdefs, outmethod);
149 /* Record maximum number of task parameters */
150 outstructs.println("#define MAXTASKPARAMS "+maxtaskparams);
151 } else if (state.main!=null) {
152 /* Generate main method */
153 outputMainMethod(outmethod);
156 /* Generate information for task with optional parameters */
157 if (state.TASK&&state.OPTIONAL){
158 generateOptionalArrays(outoptionalarrays, optionalheaders, state.getAnalysisResult(), state.getOptionalTaskDescriptors());
159 outoptionalarrays.close();
162 /* Output structure definitions for repair tool */
163 if (state.structfile!=null) {
164 buildRepairStructs(outrepairstructs);
165 outrepairstructs.close();
169 outmethodheader.println("#endif");
170 outmethodheader.close();
172 outstructs.println("#endif");
176 /* This code just generates the main C method for java programs.
177 * The main C method packs up the arguments into a string array
178 * and passes it to the java main method. */
180 private void outputMainMethod(PrintWriter outmethod) {
181 outmethod.println("int main(int argc, const char *argv[]) {");
182 outmethod.println(" int i;");
184 outmethod.println("if (dstmStartup(argv[1])) {");
185 if (GENERATEPRECISEGC) {
186 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-2);");
188 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-2);");
191 if (GENERATEPRECISEGC) {
192 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-1);");
194 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-1);");
198 outmethod.println("initializethreads();");
201 outmethod.println(" for(i=2;i<argc;i++) {");
203 outmethod.println(" for(i=1;i<argc;i++) {");
204 outmethod.println(" int length=strlen(argv[i]);");
205 if (GENERATEPRECISEGC) {
206 outmethod.println(" struct ___String___ *newstring=NewString(NULL, argv[i], length);");
208 outmethod.println(" struct ___String___ *newstring=NewString(argv[i], length);");
211 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-2]=newstring;");
213 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-1]=newstring;");
214 outmethod.println(" }");
217 MethodDescriptor md=typeutil.getMain();
218 ClassDescriptor cd=typeutil.getMainClass();
220 outmethod.println(" {");
221 if (GENERATEPRECISEGC) {
223 outmethod.print(" struct "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
225 outmethod.print(" struct "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
226 outmethod.println("1, NULL,"+"stringarray};");
228 outmethod.println(" "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
230 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
233 outmethod.println(" "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
235 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
237 outmethod.println(" }");
240 outmethod.println("}");
244 outmethod.println("pthread_mutex_lock(&gclistlock);");
245 outmethod.println("threadcount--;");
246 outmethod.println("pthread_cond_signal(&gccond);");
247 outmethod.println("pthread_mutex_unlock(&gclistlock);");
248 outmethod.println("pthread_exit(NULL);");
252 outmethod.println("}");
255 /* This method outputs code for each task. */
257 private void outputTaskCode(PrintWriter outtaskdefs, PrintWriter outmethod) {
258 /* Compile task based program */
259 outtaskdefs.println("#include \"task.h\"");
260 outtaskdefs.println("#include \"methodheaders.h\"");
261 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
262 while(taskit.hasNext()) {
263 TaskDescriptor td=(TaskDescriptor)taskit.next();
264 FlatMethod fm=state.getMethodFlat(td);
265 generateFlatMethod(fm, null, outmethod);
266 generateTaskDescriptor(outtaskdefs, fm, td);
269 //Output task descriptors
270 taskit=state.getTaskSymbolTable().getDescriptorsIterator();
271 outtaskdefs.println("struct taskdescriptor * taskarray[]= {");
273 while(taskit.hasNext()) {
274 TaskDescriptor td=(TaskDescriptor)taskit.next();
278 outtaskdefs.println(",");
279 outtaskdefs.print("&task_"+td.getSafeSymbol());
281 outtaskdefs.println("};");
283 outtaskdefs.println("int numtasks="+state.getTaskSymbolTable().getValueSet().size()+";");
286 /* This method outputs most of the methods.c file. This includes
287 * some standard includes and then an array with the sizes of
288 * objets and array that stores supertype and then the code for
289 * the Java methods.. */
291 private void outputMethods(PrintWriter outmethod) {
292 outmethod.println("#include \"methodheaders.h\"");
293 outmethod.println("#include \"virtualtable.h\"");
294 outmethod.println("#include <runtime.h>");
296 outmethod.println("#include \"localobjects.h\"");
299 outmethod.println("#include <thread.h>");
300 if (state.main!=null) {
301 outmethod.println("#include <string.h>");
303 if (state.CONSCHECK) {
304 outmethod.println("#include \"checkers.h\"");
306 //Store the sizes of classes & array elements
307 generateSizeArray(outmethod);
309 //Store table of supertypes
310 generateSuperTypeTable(outmethod);
312 //Store the layout of classes
313 generateLayoutStructs(outmethod);
315 /* Generate code for methods */
317 for(Iterator<LocalityBinding> lbit=locality.getLocalityBindings().iterator();lbit.hasNext();) {
318 LocalityBinding lb=lbit.next();
319 MethodDescriptor md=lb.getMethod();
320 FlatMethod fm=state.getMethodFlat(md);
321 if (!md.getModifiers().isNative()) {
322 generateFlatMethod(fm, lb, outmethod);
326 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
327 while(classit.hasNext()) {
328 ClassDescriptor cn=(ClassDescriptor)classit.next();
329 Iterator methodit=cn.getMethods();
330 while(methodit.hasNext()) {
331 /* Classify parameters */
332 MethodDescriptor md=(MethodDescriptor)methodit.next();
333 FlatMethod fm=state.getMethodFlat(md);
334 if (!md.getModifiers().isNative())
335 generateFlatMethod(fm, null, outmethod);
341 private void outputStructs(PrintWriter outstructs) {
342 outstructs.println("#ifndef STRUCTDEFS_H");
343 outstructs.println("#define STRUCTDEFS_H");
344 outstructs.println("#include \"classdefs.h\"");
346 /* Output #defines that the runtime uses to determine type
347 * numbers for various objects it needs */
349 outstructs.println("#define STRINGARRAYTYPE "+
350 (state.getArrayNumber(
351 (new TypeDescriptor(typeutil.getClass(TypeUtil.StringClass))).makeArray(state))+state.numClasses()));
353 outstructs.println("#define OBJECTARRAYTYPE "+
354 (state.getArrayNumber(
355 (new TypeDescriptor(typeutil.getClass(TypeUtil.ObjectClass))).makeArray(state))+state.numClasses()));
358 outstructs.println("#define STRINGTYPE "+typeutil.getClass(TypeUtil.StringClass).getId());
359 outstructs.println("#define CHARARRAYTYPE "+
360 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.CHAR)).makeArray(state))+state.numClasses()));
362 outstructs.println("#define BYTEARRAYTYPE "+
363 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state))+state.numClasses()));
365 outstructs.println("#define BYTEARRAYARRAYTYPE "+
366 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state).makeArray(state))+state.numClasses()));
368 outstructs.println("#define NUMCLASSES "+state.numClasses());
370 outstructs.println("#define STARTUPTYPE "+typeutil.getClass(TypeUtil.StartupClass).getId());
371 outstructs.println("#define TAGTYPE "+typeutil.getClass(TypeUtil.TagClass).getId());
372 outstructs.println("#define TAGARRAYTYPE "+
373 (state.getArrayNumber(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass)).makeArray(state))+state.numClasses()));
377 private void outputClassDeclarations(PrintWriter outclassdefs) {
379 outclassdefs.println("#include <pthread.h>");
381 outclassdefs.println("#include \"optionalstruct.h\"");
382 outclassdefs.println("struct "+arraytype+";");
383 /* Start by declaring all structs */
384 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
385 while(it.hasNext()) {
386 ClassDescriptor cn=(ClassDescriptor)it.next();
387 outclassdefs.println("struct "+cn.getSafeSymbol()+";");
389 outclassdefs.println("");
390 //Print out definition for array type
391 outclassdefs.println("struct "+arraytype+" {");
392 outclassdefs.println(" int type;");
394 outclassdefs.println(" pthread_t tid;");
395 outclassdefs.println(" void * lockentry;");
396 outclassdefs.println(" int lockcount;");
399 outclassdefs.println(" int flag;");
400 outclassdefs.println(" void * flagptr;");
402 outclassdefs.println(" int failedstatus;");
403 outclassdefs.println(" int hashcode;");
404 outclassdefs.println(" int numexitfses;");
405 outclassdefs.println(" int * exitfses;");
406 outclassdefs.println(" int numotds;");
407 outclassdefs.println(" struct optionaltaskdescriptor ** otds;");
410 printClassStruct(typeutil.getClass(TypeUtil.ObjectClass), outclassdefs);
412 outclassdefs.println(" int ___length___;");
413 outclassdefs.println("};\n");
414 outclassdefs.println("extern int classsize[];");
415 outclassdefs.println("extern int hasflags[];");
416 outclassdefs.println("extern unsigned int * pointerarray[];");
417 outclassdefs.println("extern int supertypes[];");
420 /** Prints out definitions for generic task structures */
422 private void outputTaskTypes(PrintWriter outtask) {
423 outtask.println("#ifndef _TASK_H");
424 outtask.println("#define _TASK_H");
425 outtask.println("struct parameterdescriptor {");
426 outtask.println("int type;");
427 outtask.println("int numberterms;");
428 outtask.println("int *intarray;");
429 outtask.println("void * queue;");
430 outtask.println("int numbertags;");
431 outtask.println("int *tagarray;");
432 outtask.println("};");
434 outtask.println("struct taskdescriptor {");
435 outtask.println("void * taskptr;");
436 outtask.println("int numParameters;");
437 outtask.println("int numTotal;");
438 outtask.println("struct parameterdescriptor **descriptorarray;");
439 outtask.println("char * name;");
440 outtask.println("};");
441 outtask.println("extern struct taskdescriptor * taskarray[];");
442 outtask.println("extern numtasks;");
443 outtask.println("#endif");
447 private void buildRepairStructs(PrintWriter outrepairstructs) {
448 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
449 while(classit.hasNext()) {
450 ClassDescriptor cn=(ClassDescriptor)classit.next();
451 outrepairstructs.println("structure "+cn.getSymbol()+" {");
452 outrepairstructs.println(" int __type__;");
454 outrepairstructs.println(" int __flag__;");
455 outrepairstructs.println(" int __flagptr__;");
457 printRepairStruct(cn, outrepairstructs);
458 outrepairstructs.println("}\n");
461 for(int i=0;i<state.numArrays();i++) {
462 TypeDescriptor tdarray=arraytable[i];
463 TypeDescriptor tdelement=tdarray.dereference();
464 outrepairstructs.println("structure "+arraytype+"_"+state.getArrayNumber(tdarray)+" {");
465 outrepairstructs.println(" int __type__;");
466 printRepairStruct(typeutil.getClass(TypeUtil.ObjectClass), outrepairstructs);
467 outrepairstructs.println(" int length;");
469 // Need to add support to repair tool for this
470 if (tdelement.isClass()||tdelement.isArray())
471 outrepairstructs.println(" "+tdelement.getRepairSymbol()+" * elem[this.length];");
473 outrepairstructs.println(" "+tdelement.getRepairSymbol()+" elem[this.length];");
475 outrepairstructs.println("}\n");
479 private void printRepairStruct(ClassDescriptor cn, PrintWriter output) {
480 ClassDescriptor sp=cn.getSuperDesc();
482 printRepairStruct(sp, output);
484 Vector fields=(Vector)fieldorder.get(cn);
486 for(int i=0;i<fields.size();i++) {
487 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
488 if (fd.getType().isArray()) {
489 output.println(" "+arraytype+"_"+ state.getArrayNumber(fd.getType()) +" * "+fd.getSymbol()+";");
490 } else if (fd.getType().isClass())
491 output.println(" "+fd.getType().getRepairSymbol()+" * "+fd.getSymbol()+";");
492 else if (fd.getType().isFloat())
493 output.println(" int "+fd.getSymbol()+"; /* really float */");
495 output.println(" "+fd.getType().getRepairSymbol()+" "+fd.getSymbol()+";");
499 /** This method outputs TaskDescriptor information */
500 void generateTaskDescriptor(PrintWriter output, FlatMethod fm, TaskDescriptor task) {
501 for (int i=0;i<task.numParameters();i++) {
502 VarDescriptor param_var=task.getParameter(i);
503 TypeDescriptor param_type=task.getParamType(i);
504 FlagExpressionNode param_flag=task.getFlag(param_var);
505 TagExpressionList param_tag=task.getTag(param_var);
508 if (param_flag==null) {
509 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
510 output.println("0x0, 0x0 };");
513 DNFFlag dflag=param_flag.getDNF();
514 dnfterms=dflag.size();
516 Hashtable flags=(Hashtable)flagorder.get(param_type.getClassDesc());
517 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
518 for(int j=0;j<dflag.size();j++) {
521 Vector term=dflag.get(j);
524 for(int k=0;k<term.size();k++) {
525 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
526 FlagDescriptor fd=dfa.getFlag();
527 boolean negated=dfa.getNegated();
528 int flagid=1<<((Integer)flags.get(fd)).intValue();
533 output.print("0x"+Integer.toHexString(andmask)+", 0x"+Integer.toHexString(checkmask));
535 output.println("};");
538 output.println("int parametertag_"+i+"_"+task.getSafeSymbol()+"[]={");
539 //BUG...added next line to fix, test with any task program
541 for(int j=0;j<param_tag.numTags();j++) {
544 /* for each tag we need */
545 /* which slot it is */
546 /* what type it is */
547 TagVarDescriptor tvd=(TagVarDescriptor)task.getParameterTable().get(param_tag.getName(j));
548 TempDescriptor tmp=param_tag.getTemp(j);
549 int slot=fm.getTagInt(tmp);
550 output.println(slot+", "+state.getTagId(tvd.getTag()));
552 output.println("};");
554 output.println("struct parameterdescriptor parameter_"+i+"_"+task.getSafeSymbol()+"={");
555 output.println("/* type */"+param_type.getClassDesc().getId()+",");
556 output.println("/* number of DNF terms */"+dnfterms+",");
557 output.println("parameterdnf_"+i+"_"+task.getSafeSymbol()+",");
558 output.println("0,");
559 //BUG, added next line to fix and else statement...test
560 //with any task program
562 output.println("/* number of tags */"+param_tag.numTags()+",");
564 output.println("/* number of tags */ 0,");
565 output.println("parametertag_"+i+"_"+task.getSafeSymbol());
566 output.println("};");
570 output.println("struct parameterdescriptor * parameterdescriptors_"+task.getSafeSymbol()+"[] = {");
571 for (int i=0;i<task.numParameters();i++) {
574 output.print("¶meter_"+i+"_"+task.getSafeSymbol());
576 output.println("};");
578 output.println("struct taskdescriptor task_"+task.getSafeSymbol()+"={");
579 output.println("&"+task.getSafeSymbol()+",");
580 output.println("/* number of parameters */" +task.numParameters() + ",");
581 int numtotal=task.numParameters()+fm.numTags();
582 output.println("/* number total parameters */" +numtotal + ",");
583 output.println("parameterdescriptors_"+task.getSafeSymbol()+",");
584 output.println("\""+task.getSymbol()+"\"");
585 output.println("};");
589 /** The buildVirtualTables method outputs the virtual dispatch
590 * tables for methods. */
592 private void buildVirtualTables(PrintWriter outvirtual) {
593 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
594 while(classit.hasNext()) {
595 ClassDescriptor cd=(ClassDescriptor)classit.next();
596 if (virtualcalls.getMethodCount(cd)>maxcount)
597 maxcount=virtualcalls.getMethodCount(cd);
599 MethodDescriptor[][] virtualtable=null;
600 LocalityBinding[][] lbvirtualtable=null;
602 lbvirtualtable=new LocalityBinding[state.numClasses()+state.numArrays()][maxcount];
604 virtualtable=new MethodDescriptor[state.numClasses()+state.numArrays()][maxcount];
606 /* Fill in virtual table */
607 classit=state.getClassSymbolTable().getDescriptorsIterator();
608 while(classit.hasNext()) {
609 ClassDescriptor cd=(ClassDescriptor)classit.next();
611 fillinRow(cd, lbvirtualtable, cd.getId());
613 fillinRow(cd, virtualtable, cd.getId());
616 ClassDescriptor objectcd=typeutil.getClass(TypeUtil.ObjectClass);
617 Iterator arrayit=state.getArrayIterator();
618 while(arrayit.hasNext()) {
619 TypeDescriptor td=(TypeDescriptor)arrayit.next();
620 int id=state.getArrayNumber(td);
622 fillinRow(objectcd, lbvirtualtable, id+state.numClasses());
624 fillinRow(objectcd, virtualtable, id+state.numClasses());
627 outvirtual.print("void * virtualtable[]={");
628 boolean needcomma=false;
629 for(int i=0;i<state.numClasses()+state.numArrays();i++) {
630 for(int j=0;j<maxcount;j++) {
632 outvirtual.print(", ");
633 if (state.DSM&&lbvirtualtable[i][j]!=null) {
634 LocalityBinding lb=lbvirtualtable[i][j];
635 MethodDescriptor md=lb.getMethod();
636 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
637 } else if (!state.DSM&&virtualtable[i][j]!=null) {
638 MethodDescriptor md=virtualtable[i][j];
639 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
641 outvirtual.print("0");
645 outvirtual.println("");
647 outvirtual.println("};");
651 private void fillinRow(ClassDescriptor cd, MethodDescriptor[][] virtualtable, int rownum) {
652 /* Get inherited methods */
653 if (cd.getSuperDesc()!=null)
654 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
655 /* Override them with our methods */
656 for(Iterator it=cd.getMethods();it.hasNext();) {
657 MethodDescriptor md=(MethodDescriptor)it.next();
658 if (md.isStatic()||md.getReturnType()==null)
660 int methodnum=virtualcalls.getMethodNumber(md);
661 virtualtable[rownum][methodnum]=md;
665 private void fillinRow(ClassDescriptor cd, LocalityBinding[][] virtualtable, int rownum) {
666 /* Get inherited methods */
667 if (cd.getSuperDesc()!=null)
668 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
669 /* Override them with our methods */
670 if (locality.getClassBindings(cd)!=null)
671 for(Iterator<LocalityBinding> lbit=locality.getClassBindings(cd).iterator();lbit.hasNext();) {
672 LocalityBinding lb=lbit.next();
673 MethodDescriptor md=lb.getMethod();
674 //Is the method static or a constructor
675 if (md.isStatic()||md.getReturnType()==null)
677 int methodnum=virtualcalls.getLocalityNumber(lb);
678 virtualtable[rownum][methodnum]=lb;
683 /** Generate array that contains the sizes of class objects. The
684 * object allocation functions in the runtime use this
687 private void generateSizeArray(PrintWriter outclassdefs) {
688 outclassdefs.print("int classsize[]={");
689 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
690 cdarray=new ClassDescriptor[state.numClasses()];
691 while(it.hasNext()) {
692 ClassDescriptor cd=(ClassDescriptor)it.next();
693 cdarray[cd.getId()]=cd;
695 boolean needcomma=false;
696 for(int i=0;i<state.numClasses();i++) {
698 outclassdefs.print(", ");
699 outclassdefs.print("sizeof(struct "+cdarray[i].getSafeSymbol()+")");
703 arraytable=new TypeDescriptor[state.numArrays()];
705 Iterator arrayit=state.getArrayIterator();
706 while(arrayit.hasNext()) {
707 TypeDescriptor td=(TypeDescriptor)arrayit.next();
708 int id=state.getArrayNumber(td);
712 for(int i=0;i<state.numArrays();i++) {
714 outclassdefs.print(", ");
715 TypeDescriptor tdelement=arraytable[i].dereference();
716 if (tdelement.isArray()||tdelement.isClass())
717 outclassdefs.print("sizeof(void *)");
719 outclassdefs.print("sizeof("+tdelement.getSafeSymbol()+")");
723 outclassdefs.println("};");
726 /** Constructs params and temp objects for each method or task.
727 * These objects tell the compiler which temps need to be
730 private void generateTempStructs(FlatMethod fm, LocalityBinding lb) {
731 MethodDescriptor md=fm.getMethod();
732 TaskDescriptor task=fm.getTask();
733 Set<TempDescriptor> saveset=lb!=null?locality.getTempSet(lb):null;
734 ParamsObject objectparams=md!=null?new ParamsObject(md,tag++):new ParamsObject(task, tag++);
737 paramstable.put(lb, objectparams);
739 paramstable.put(md, objectparams);
741 paramstable.put(task, objectparams);
743 for(int i=0;i<fm.numParameters();i++) {
744 TempDescriptor temp=fm.getParameter(i);
745 TypeDescriptor type=temp.getType();
746 if ((type.isPtr()||type.isArray())&&GENERATEPRECISEGC)
747 objectparams.addPtr(temp);
749 objectparams.addPrim(temp);
750 if(lb!=null&&saveset.contains(temp)) {
751 backuptable.put(temp, temp.createNew());
755 for(int i=0;i<fm.numTags();i++) {
756 TempDescriptor temp=fm.getTag(i);
757 if (GENERATEPRECISEGC)
758 objectparams.addPtr(temp);
760 objectparams.addPrim(temp);
763 TempObject objecttemps=md!=null?new TempObject(objectparams,md,tag++):new TempObject(objectparams, task, tag++);
765 tempstable.put(lb, objecttemps);
767 tempstable.put(md, objecttemps);
769 tempstable.put(task, objecttemps);
771 for(Iterator nodeit=fm.getNodeSet().iterator();nodeit.hasNext();) {
772 FlatNode fn=(FlatNode)nodeit.next();
773 TempDescriptor[] writes=fn.writesTemps();
774 for(int i=0;i<writes.length;i++) {
775 TempDescriptor temp=writes[i];
776 TypeDescriptor type=temp.getType();
777 if ((type.isPtr()||type.isArray())&&GENERATEPRECISEGC)
778 objecttemps.addPtr(temp);
780 objecttemps.addPrim(temp);
781 if(lb!=null&&saveset.contains(temp)&&
782 !backuptable.containsKey(temp))
783 backuptable.put(temp, temp.createNew());
787 /* Create backup temps */
789 for(Iterator<TempDescriptor> tmpit=backuptable.values().iterator();tmpit.hasNext();) {
790 TempDescriptor tmp=tmpit.next();
791 TypeDescriptor type=tmp.getType();
792 if ((type.isPtr()||type.isArray())&&GENERATEPRECISEGC)
793 objecttemps.addPtr(tmp);
795 objecttemps.addPrim(tmp);
797 /* Create temp to hold revert table */
798 if (lb.getHasAtomic()) {
799 TempDescriptor reverttmp=new TempDescriptor("revertlist", typeutil.getClass(TypeUtil.ObjectClass));
800 if (GENERATEPRECISEGC)
801 objecttemps.addPtr(reverttmp);
803 objecttemps.addPrim(reverttmp);
804 reverttable.put(lb, reverttmp);
809 /** This method outputs the following information about classes
811 * (1) For classes, what are the locations of pointers.
812 * (2) For arrays, does the array contain pointers or primitives.
813 * (3) For classes, does the class contain flags.
816 private void generateLayoutStructs(PrintWriter output) {
817 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
818 while(it.hasNext()) {
819 ClassDescriptor cn=(ClassDescriptor)it.next();
820 output.println("unsigned int "+cn.getSafeSymbol()+"_pointers[]={");
821 Iterator allit=cn.getFieldTable().getAllDescriptorsIterator();
823 while(allit.hasNext()) {
824 FieldDescriptor fd=(FieldDescriptor)allit.next();
825 TypeDescriptor type=fd.getType();
826 if (state.DSM&&fd.isGlobal()) //Don't GC the global objects for now
828 if (type.isPtr()||type.isArray())
832 allit=cn.getFieldTable().getAllDescriptorsIterator();
833 while(allit.hasNext()) {
834 FieldDescriptor fd=(FieldDescriptor)allit.next();
835 TypeDescriptor type=fd.getType();
836 if (state.DSM&&fd.isGlobal()) //Don't GC the global objects for now
838 if (type.isPtr()||type.isArray()) {
840 output.print("((unsigned int)&(((struct "+cn.getSafeSymbol() +" *)0)->"+fd.getSafeSymbol()+"))");
843 output.println("};");
845 output.println("unsigned int * pointerarray[]={");
846 boolean needcomma=false;
847 for(int i=0;i<state.numClasses();i++) {
848 ClassDescriptor cn=cdarray[i];
852 output.print(cn.getSafeSymbol()+"_pointers");
855 for(int i=0;i<state.numArrays();i++) {
857 output.println(", ");
858 TypeDescriptor tdelement=arraytable[i].dereference();
859 if (tdelement.isArray()||tdelement.isClass())
860 output.print("((unsigned int *)1)");
866 output.println("};");
868 output.println("int hasflags[]={");
869 for(int i=0;i<state.numClasses();i++) {
870 ClassDescriptor cn=cdarray[i];
872 output.println(", ");
879 output.println("};");
882 /** Print out table to give us supertypes */
883 private void generateSuperTypeTable(PrintWriter output) {
884 output.println("int supertypes[]={");
885 boolean needcomma=false;
886 for(int i=0;i<state.numClasses();i++) {
887 ClassDescriptor cn=cdarray[i];
891 if (cn.getSuperDesc()!=null) {
892 ClassDescriptor cdsuper=cn.getSuperDesc();
893 output.print(cdsuper.getId());
897 output.println("};");
900 /** Force consistent field ordering between inherited classes. */
902 private void printClassStruct(ClassDescriptor cn, PrintWriter classdefout) {
904 ClassDescriptor sp=cn.getSuperDesc();
906 printClassStruct(sp, classdefout);
908 if (!fieldorder.containsKey(cn)) {
909 Vector fields=new Vector();
910 fieldorder.put(cn,fields);
911 Iterator fieldit=cn.getFields();
912 while(fieldit.hasNext()) {
913 FieldDescriptor fd=(FieldDescriptor)fieldit.next();
914 if (sp==null||!sp.getFieldTable().contains(fd.getSymbol()))
918 Vector fields=(Vector)fieldorder.get(cn);
920 for(int i=0;i<fields.size();i++) {
921 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
922 if (fd.getType().isClass()||fd.getType().isArray())
923 classdefout.println(" struct "+fd.getType().getSafeSymbol()+" * "+fd.getSafeSymbol()+";");
925 classdefout.println(" "+fd.getType().getSafeSymbol()+" "+fd.getSafeSymbol()+";");
930 /* Map flags to integers consistently between inherited
933 private void mapFlags(ClassDescriptor cn) {
934 ClassDescriptor sp=cn.getSuperDesc();
938 if (!flagorder.containsKey(cn)) {
939 Hashtable flags=new Hashtable();
940 flagorder.put(cn,flags);
942 Hashtable superflags=(Hashtable)flagorder.get(sp);
943 Iterator superflagit=superflags.keySet().iterator();
944 while(superflagit.hasNext()) {
945 FlagDescriptor fd=(FlagDescriptor)superflagit.next();
946 Integer number=(Integer)superflags.get(fd);
947 flags.put(fd, number);
948 if ((number.intValue()+1)>max)
949 max=number.intValue()+1;
953 Iterator flagit=cn.getFlags();
954 while(flagit.hasNext()) {
955 FlagDescriptor fd=(FlagDescriptor)flagit.next();
956 if (sp==null||!sp.getFlagTable().contains(fd.getSymbol()))
957 flags.put(fd, new Integer(max++));
963 /** This function outputs (1) structures that parameters are
964 * passed in (when PRECISE GC is enabled) and (2) function
965 * prototypes for the methods */
967 private void generateCallStructs(ClassDescriptor cn, PrintWriter classdefout, PrintWriter output, PrintWriter headersout) {
968 /* Output class structure */
969 classdefout.println("struct "+cn.getSafeSymbol()+" {");
970 classdefout.println(" int type;");
972 classdefout.println(" pthread_t tid;");
973 classdefout.println(" void * lockentry;");
974 classdefout.println(" int lockcount;");
978 classdefout.println(" int flag;");
979 classdefout.println(" void * flagptr;");
981 classdefout.println(" int failedstatus;");
982 classdefout.println(" int hashcode;");
983 classdefout.println(" int numexitfses;");
984 classdefout.println(" int * exitfses;");
985 classdefout.println(" int numotds;");
986 classdefout.println(" struct optionaltaskdescriptor ** otds;");
989 printClassStruct(cn, classdefout);
990 classdefout.println("};\n");
993 /* Cycle through LocalityBindings */
994 HashSet<MethodDescriptor> nativemethods=new HashSet<MethodDescriptor>();
995 Set<LocalityBinding> lbset=locality.getClassBindings(cn);
997 for(Iterator<LocalityBinding> lbit=lbset.iterator();lbit.hasNext();) {
998 LocalityBinding lb=lbit.next();
999 MethodDescriptor md=lb.getMethod();
1000 if (md.getModifiers().isNative()) {
1001 //make sure we only print a native method once
1002 if (nativemethods.contains(md)) {
1003 FlatMethod fm=state.getMethodFlat(md);
1004 generateTempStructs(fm, lb);
1007 nativemethods.add(md);
1009 generateMethod(cn, md, lb, headersout, output);
1012 for(Iterator methodit=cn.getMethods();methodit.hasNext();) {
1013 MethodDescriptor md=(MethodDescriptor)methodit.next();
1014 if (md.getModifiers().isNative()&&!nativemethods.contains(md)) {
1015 //Need to build param structure for library code
1016 FlatMethod fm=state.getMethodFlat(md);
1017 generateTempStructs(fm, null);
1018 generateMethodParam(cn, md, null, output);
1023 for(Iterator methodit=cn.getMethods();methodit.hasNext();) {
1024 MethodDescriptor md=(MethodDescriptor)methodit.next();
1025 generateMethod(cn, md, null, headersout, output);
1029 private void generateMethodParam(ClassDescriptor cn, MethodDescriptor md, LocalityBinding lb, PrintWriter output) {
1030 /* Output parameter structure */
1031 if (GENERATEPRECISEGC) {
1032 ParamsObject objectparams=(ParamsObject) paramstable.get(lb!=null?lb:md);
1033 if (state.DSM&&lb!=null)
1034 output.println("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1036 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1037 output.println(" int size;");
1038 output.println(" void * next;");
1039 for(int i=0;i<objectparams.numPointers();i++) {
1040 TempDescriptor temp=objectparams.getPointer(i);
1041 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1043 output.println("};\n");
1048 private void generateMethod(ClassDescriptor cn, MethodDescriptor md, LocalityBinding lb, PrintWriter headersout, PrintWriter output) {
1049 FlatMethod fm=state.getMethodFlat(md);
1050 generateTempStructs(fm, lb);
1052 ParamsObject objectparams=(ParamsObject) paramstable.get(lb!=null?lb:md);
1053 TempObject objecttemps=(TempObject) tempstable.get(lb!=null?lb:md);
1055 generateMethodParam(cn, md, lb, output);
1057 /* Output temp structure */
1058 if (GENERATEPRECISEGC) {
1060 output.println("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1062 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1063 output.println(" int size;");
1064 output.println(" void * next;");
1065 for(int i=0;i<objecttemps.numPointers();i++) {
1066 TempDescriptor temp=objecttemps.getPointer(i);
1067 if (temp.getType().isNull())
1068 output.println(" void * "+temp.getSafeSymbol()+";");
1070 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1072 output.println("};\n");
1075 /********* Output method declaration ***********/
1077 /* First the return type */
1078 if (md.getReturnType()!=null) {
1079 if (md.getReturnType().isClass()||md.getReturnType().isArray())
1080 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1082 headersout.print(md.getReturnType().getSafeSymbol()+" ");
1084 //catch the constructor case
1085 headersout.print("void ");
1087 /* Next the method name */
1089 headersout.print(cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1091 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1093 boolean printcomma=false;
1094 if (GENERATEPRECISEGC) {
1096 headersout.print("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1098 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1102 if (state.DSM&&lb.isAtomic()) {
1104 headersout.print(", ");
1105 headersout.print("transrecord_t * trans");
1109 /* Output parameter list*/
1110 for(int i=0;i<objectparams.numPrimitives();i++) {
1111 TempDescriptor temp=objectparams.getPrimitive(i);
1113 headersout.print(", ");
1115 if (temp.getType().isClass()||temp.getType().isArray())
1116 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1118 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1120 headersout.println(");\n");
1124 /** This function outputs (1) structures that parameters are
1125 * passed in (when PRECISE GC is enabled) and (2) function
1126 * prototypes for the tasks */
1128 private void generateTaskStructs(PrintWriter output, PrintWriter headersout) {
1129 /* Cycle through tasks */
1130 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
1132 while(taskit.hasNext()) {
1133 /* Classify parameters */
1134 TaskDescriptor task=(TaskDescriptor)taskit.next();
1135 FlatMethod fm=state.getMethodFlat(task);
1136 generateTempStructs(fm, null);
1138 ParamsObject objectparams=(ParamsObject) paramstable.get(task);
1139 TempObject objecttemps=(TempObject) tempstable.get(task);
1141 /* Output parameter structure */
1142 if (GENERATEPRECISEGC) {
1143 output.println("struct "+task.getSafeSymbol()+"_params {");
1145 output.println(" int size;");
1146 output.println(" void * next;");
1147 for(int i=0;i<objectparams.numPointers();i++) {
1148 TempDescriptor temp=objectparams.getPointer(i);
1149 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1152 output.println("};\n");
1153 if ((objectparams.numPointers()+fm.numTags())>maxtaskparams) {
1154 maxtaskparams=objectparams.numPointers()+fm.numTags();
1158 /* Output temp structure */
1159 if (GENERATEPRECISEGC) {
1160 output.println("struct "+task.getSafeSymbol()+"_locals {");
1161 output.println(" int size;");
1162 output.println(" void * next;");
1163 for(int i=0;i<objecttemps.numPointers();i++) {
1164 TempDescriptor temp=objecttemps.getPointer(i);
1165 if (temp.getType().isNull())
1166 output.println(" void * "+temp.getSafeSymbol()+";");
1167 else if(temp.getType().isTag())
1168 output.println(" struct "+
1169 (new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1171 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1173 output.println("};\n");
1176 /* Output task declaration */
1177 headersout.print("void " + task.getSafeSymbol()+"(");
1179 boolean printcomma=false;
1180 if (GENERATEPRECISEGC) {
1181 headersout.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
1183 headersout.print("void * parameterarray[]");
1184 headersout.println(");\n");
1188 /***** Generate code for FlatMethod fm. *****/
1190 private void generateFlatMethod(FlatMethod fm, LocalityBinding lb, PrintWriter output) {
1191 MethodDescriptor md=fm.getMethod();
1192 TaskDescriptor task=fm.getTask();
1194 ClassDescriptor cn=md!=null?md.getClassDesc():null;
1196 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null?lb:md!=null?md:task);
1197 generateHeader(fm, lb, md!=null?md:task,output);
1198 TempObject objecttemp=(TempObject) tempstable.get(lb!=null?lb:md!=null?md:task);
1199 if (state.DSM&&lb.getHasAtomic()) {
1200 output.println("transrecord_t * trans;");
1203 if (GENERATEPRECISEGC) {
1204 if (md!=null&&state.DSM)
1205 output.print(" struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1206 else if (md!=null&&!state.DSM)
1207 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1209 output.print(" struct "+task.getSafeSymbol()+"_locals "+localsprefix+"={");
1211 output.print(objecttemp.numPointers()+",");
1212 output.print(paramsprefix);
1213 for(int j=0;j<objecttemp.numPointers();j++)
1214 output.print(", NULL");
1215 output.println("};");
1218 for(int i=0;i<objecttemp.numPrimitives();i++) {
1219 TempDescriptor td=objecttemp.getPrimitive(i);
1220 TypeDescriptor type=td.getType();
1222 output.println(" void * "+td.getSafeSymbol()+";");
1223 else if (type.isClass()||type.isArray())
1224 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
1226 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
1229 /* Assign labels to FlatNode's if necessary.*/
1231 Hashtable<FlatNode, Integer> nodetolabel=assignLabels(fm);
1233 /* Check to see if we need to do a GC if this is a
1234 * multi-threaded program...*/
1236 if (state.THREAD&&GENERATEPRECISEGC) {
1237 output.println("checkcollect(&"+localsprefix+");");
1240 /* Do the actual code generation */
1241 FlatNode current_node=null;
1242 HashSet tovisit=new HashSet();
1243 HashSet visited=new HashSet();
1244 tovisit.add(fm.getNext(0));
1245 while(current_node!=null||!tovisit.isEmpty()) {
1246 if (current_node==null) {
1247 current_node=(FlatNode)tovisit.iterator().next();
1248 tovisit.remove(current_node);
1250 visited.add(current_node);
1251 if (nodetolabel.containsKey(current_node))
1252 output.println("L"+nodetolabel.get(current_node)+":");
1253 if (state.INSTRUCTIONFAILURE) {
1255 output.println("if ((++instructioncount)>failurecount) {instructioncount=0;injectinstructionfailure();}");
1258 output.println("if ((--instructioncount)==0) injectinstructionfailure();");
1260 if (current_node.numNext()==0) {
1262 generateFlatNode(fm, lb, current_node, output);
1263 if (current_node.kind()!=FKind.FlatReturnNode) {
1264 output.println(" return;");
1267 } else if(current_node.numNext()==1) {
1269 generateFlatNode(fm, lb, current_node, output);
1270 FlatNode nextnode=current_node.getNext(0);
1271 if (visited.contains(nextnode)) {
1272 output.println("goto L"+nodetolabel.get(nextnode)+";");
1275 current_node=nextnode;
1276 } else if (current_node.numNext()==2) {
1279 generateFlatCondBranch(fm, lb, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
1280 if (!visited.contains(current_node.getNext(1)))
1281 tovisit.add(current_node.getNext(1));
1282 if (visited.contains(current_node.getNext(0))) {
1283 output.println("goto L"+nodetolabel.get(current_node.getNext(0))+";");
1286 current_node=current_node.getNext(0);
1287 } else throw new Error();
1290 output.println("}\n\n");
1293 /** This method assigns labels to FlatNodes */
1295 private Hashtable<FlatNode, Integer> assignLabels(FlatMethod fm) {
1296 HashSet tovisit=new HashSet();
1297 HashSet visited=new HashSet();
1299 Hashtable<FlatNode, Integer> nodetolabel=new Hashtable<FlatNode, Integer>();
1300 tovisit.add(fm.getNext(0));
1302 /*Assign labels first. A node needs a label if the previous
1303 * node has two exits or this node is a join point. */
1305 while(!tovisit.isEmpty()) {
1306 FlatNode fn=(FlatNode)tovisit.iterator().next();
1309 for(int i=0;i<fn.numNext();i++) {
1310 FlatNode nn=fn.getNext(i);
1312 //1) Edge >1 of node
1313 nodetolabel.put(nn,new Integer(labelindex++));
1315 if (!visited.contains(nn)&&!tovisit.contains(nn)) {
1319 nodetolabel.put(nn,new Integer(labelindex++));
1327 /** Generate text string that corresponds to the TempDescriptor td. */
1328 private String generateTemp(FlatMethod fm, TempDescriptor td, LocalityBinding lb) {
1329 MethodDescriptor md=fm.getMethod();
1330 TaskDescriptor task=fm.getTask();
1331 TempObject objecttemps=(TempObject) tempstable.get(lb!=null?lb:md!=null?md:task);
1333 if (objecttemps.isLocalPrim(td)||objecttemps.isParamPrim(td)) {
1334 return td.getSafeSymbol();
1337 if (objecttemps.isLocalPtr(td)) {
1338 return localsprefix+"."+td.getSafeSymbol();
1341 if (objecttemps.isParamPtr(td)) {
1342 return paramsprefix+"->"+td.getSafeSymbol();
1347 private void generateFlatNode(FlatMethod fm, LocalityBinding lb, FlatNode fn, PrintWriter output) {
1349 case FKind.FlatAtomicEnterNode:
1350 generateFlatAtomicEnterNode(fm, lb, (FlatAtomicEnterNode) fn, output);
1352 case FKind.FlatAtomicExitNode:
1353 generateFlatAtomicExitNode(fm, lb, (FlatAtomicExitNode) fn, output);
1355 case FKind.FlatGlobalConvNode:
1356 generateFlatGlobalConvNode(fm, lb, (FlatGlobalConvNode) fn, output);
1358 case FKind.FlatTagDeclaration:
1359 generateFlatTagDeclaration(fm, lb, (FlatTagDeclaration) fn,output);
1361 case FKind.FlatCall:
1362 generateFlatCall(fm, lb, (FlatCall) fn,output);
1364 case FKind.FlatFieldNode:
1365 generateFlatFieldNode(fm, lb, (FlatFieldNode) fn,output);
1367 case FKind.FlatElementNode:
1368 generateFlatElementNode(fm, lb, (FlatElementNode) fn,output);
1370 case FKind.FlatSetElementNode:
1371 generateFlatSetElementNode(fm, lb, (FlatSetElementNode) fn,output);
1373 case FKind.FlatSetFieldNode:
1374 generateFlatSetFieldNode(fm, lb, (FlatSetFieldNode) fn,output);
1377 generateFlatNew(fm, lb, (FlatNew) fn,output);
1379 case FKind.FlatOpNode:
1380 generateFlatOpNode(fm, lb, (FlatOpNode) fn,output);
1382 case FKind.FlatCastNode:
1383 generateFlatCastNode(fm, lb, (FlatCastNode) fn,output);
1385 case FKind.FlatLiteralNode:
1386 generateFlatLiteralNode(fm, lb, (FlatLiteralNode) fn,output);
1388 case FKind.FlatReturnNode:
1389 generateFlatReturnNode(fm, lb, (FlatReturnNode) fn,output);
1392 output.println("/* nop */");
1394 case FKind.FlatBackEdge:
1395 if (state.THREAD&&GENERATEPRECISEGC) {
1396 output.println("checkcollect(&"+localsprefix+");");
1398 output.println("/* nop */");
1400 case FKind.FlatCheckNode:
1401 generateFlatCheckNode(fm, lb, (FlatCheckNode) fn, output);
1403 case FKind.FlatFlagActionNode:
1404 generateFlatFlagActionNode(fm, lb, (FlatFlagActionNode) fn, output);
1411 public void generateFlatGlobalConvNode(FlatMethod fm, LocalityBinding lb, FlatGlobalConvNode fgcn, PrintWriter output) {
1412 if (lb!=fgcn.getLocality())
1414 /* Have to generate flat globalconv */
1415 if (fgcn.getMakePtr()) {
1416 output.println(generateTemp(fm, fgcn.getSrc(),lb)+"=(void *)transRead(trans, (unsigned int) "+generateTemp(fm, fgcn.getSrc(),lb)+");");
1418 /* Need to convert to OID */
1419 output.println(generateTemp(fm, fgcn.getSrc(),lb)+"=OID("+generateTemp(fm, fgcn.getSrc(),lb)+");");
1423 public void generateFlatAtomicEnterNode(FlatMethod fm, LocalityBinding lb, FlatAtomicEnterNode faen, PrintWriter output) {
1424 /* Check to see if we need to generate code for this atomic */
1425 if (locality.getAtomic(lb).get(faen.getPrev(0)).intValue()>0)
1427 /* Backup the temps. */
1428 for(Iterator<TempDescriptor> tmpit=locality.getTemps(lb).get(faen).iterator();tmpit.hasNext();) {
1429 TempDescriptor tmp=tmpit.next();
1430 output.println(generateTemp(fm, backuptable.get(tmp),lb)+"="+generateTemp(fm,tmp,lb)+";");
1432 output.println("goto transstart"+faen.getIdentifier()+";");
1434 /******* Print code to retry aborted transaction *******/
1435 output.println("transretry"+faen.getIdentifier()+":");
1438 for(Iterator<TempDescriptor> tmpit=locality.getTemps(lb).get(faen).iterator();tmpit.hasNext();) {
1439 TempDescriptor tmp=tmpit.next();
1440 output.println(generateTemp(fm, tmp,lb)+"="+generateTemp(fm,backuptable.get(tmp),lb)+";");
1443 /********* Need to revert local object store ********/
1444 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
1446 output.println("while ("+revertptr+") {");
1447 output.println("struct ___Object___ * tmpptr;");
1448 output.println("tmpptr="+revertptr+"->"+nextobjstr+";");
1449 output.println("REVERT_OBJ("+revertptr+");");
1450 output.println(revertptr+"=tmpptr;");
1451 output.println("}");
1453 /******* Tell the runtime to start the transaction *******/
1455 output.println("transstart"+faen.getIdentifier()+":");
1456 output.println("trans=transStart();");
1459 public void generateFlatAtomicExitNode(FlatMethod fm, LocalityBinding lb, FlatAtomicExitNode faen, PrintWriter output) {
1460 /* Check to see if we need to generate code for this atomic */
1461 if (locality.getAtomic(lb).get(faen).intValue()>0)
1463 //store the revert list before we lose the transaction object
1464 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
1465 output.println(revertptr+"=trans->revertlist;");
1466 output.println("if (transCommit(trans)) {");
1467 /* Transaction aborts if it returns true */
1468 output.println("goto transretry"+faen.getAtomicEnter().getIdentifier()+";");
1469 output.println("} else {");
1470 /* Need to commit local object store */
1471 output.println("while ("+revertptr+") {");
1472 output.println("struct ___Object___ * tmpptr;");
1473 output.println("tmpptr="+revertptr+"->"+nextobjstr+";");
1474 output.println("COMMIT_OBJ("+revertptr+");");
1475 output.println(revertptr+"=tmpptr;");
1476 output.println("}");
1477 output.println("}");
1480 private void generateFlatCheckNode(FlatMethod fm, LocalityBinding lb, FlatCheckNode fcn, PrintWriter output) {
1481 if (state.CONSCHECK) {
1482 String specname=fcn.getSpec();
1483 String varname="repairstate___";
1484 output.println("{");
1485 output.println("struct "+specname+"_state * "+varname+"=allocate"+specname+"_state();");
1487 TempDescriptor[] temps=fcn.getTemps();
1488 String[] vars=fcn.getVars();
1489 for(int i=0;i<temps.length;i++) {
1490 output.println(varname+"->"+vars[i]+"=(unsigned int)"+generateTemp(fm, temps[i],lb)+";");
1493 output.println("if (doanalysis"+specname+"("+varname+")) {");
1494 output.println("free"+specname+"_state("+varname+");");
1495 output.println("} else {");
1496 output.println("/* Bad invariant */");
1497 output.println("free"+specname+"_state("+varname+");");
1498 output.println("abort_task();");
1499 output.println("}");
1500 output.println("}");
1504 private void generateFlatCall(FlatMethod fm, LocalityBinding lb, FlatCall fc, PrintWriter output) {
1505 MethodDescriptor md=fc.getMethod();
1506 ParamsObject objectparams=(ParamsObject)paramstable.get(state.DSM?locality.getBinding(lb, fc):md);
1507 ClassDescriptor cn=md.getClassDesc();
1508 output.println("{");
1509 if (GENERATEPRECISEGC) {
1511 LocalityBinding fclb=locality.getBinding(lb, fc);
1512 output.print(" struct "+cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
1514 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
1516 output.print(objectparams.numPointers());
1517 output.print(", & "+localsprefix);
1518 if (fc.getThis()!=null) {
1520 output.print("(struct "+md.getThis().getType().getSafeSymbol() +" *)"+ generateTemp(fm,fc.getThis(),lb));
1522 for(int i=0;i<fc.numArgs();i++) {
1523 Descriptor var=md.getParameter(i);
1524 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
1525 if (objectparams.isParamPtr(paramtemp)) {
1526 TempDescriptor targ=fc.getArg(i);
1528 TypeDescriptor td=md.getParamType(i);
1530 output.print("(struct "+(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol() +" *)"+generateTemp(fm, targ,lb));
1532 output.print("(struct "+md.getParamType(i).getSafeSymbol() +" *)"+generateTemp(fm, targ,lb));
1535 output.println("};");
1540 if (fc.getReturnTemp()!=null)
1541 output.print(generateTemp(fm,fc.getReturnTemp(),lb)+"=");
1543 /* Do we need to do virtual dispatch? */
1544 if (md.isStatic()||md.getReturnType()==null||singleCall(fc.getThis().getType().getClassDesc(),md)) {
1547 LocalityBinding fclb=locality.getBinding(lb, fc);
1548 output.print(cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
1550 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
1555 if (md.getReturnType().isClass()||md.getReturnType().isArray())
1556 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1558 output.print(md.getReturnType().getSafeSymbol()+" ");
1559 output.print("(*)(");
1561 boolean printcomma=false;
1562 if (GENERATEPRECISEGC) {
1564 LocalityBinding fclb=locality.getBinding(lb, fc);
1565 output.print("struct "+cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
1567 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
1571 for(int i=0;i<objectparams.numPrimitives();i++) {
1572 TempDescriptor temp=objectparams.getPrimitive(i);
1576 if (temp.getType().isClass()||temp.getType().isArray())
1577 output.print("struct " + temp.getType().getSafeSymbol()+" * ");
1579 output.print(temp.getType().getSafeSymbol());
1583 LocalityBinding fclb=locality.getBinding(lb, fc);
1584 output.print("))virtualtable["+generateTemp(fm,fc.getThis(),lb)+"->type*"+maxcount+"+"+virtualcalls.getLocalityNumber(fclb)+"])");
1586 output.print("))virtualtable["+generateTemp(fm,fc.getThis(),lb)+"->type*"+maxcount+"+"+virtualcalls.getMethodNumber(md)+"])");
1590 boolean needcomma=false;
1591 if (GENERATEPRECISEGC) {
1592 output.print("&__parameterlist__");
1596 if (state.DSM&&locality.getBinding(lb,fc).isAtomic()) {
1599 output.print("trans");
1603 if (!GENERATEPRECISEGC) {
1604 if (fc.getThis()!=null) {
1605 TypeDescriptor ptd=md.getThis().getType();
1608 if (ptd.isClass()&&!ptd.isArray())
1609 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
1610 output.print(generateTemp(fm,fc.getThis(),lb));
1615 for(int i=0;i<fc.numArgs();i++) {
1616 Descriptor var=md.getParameter(i);
1617 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
1618 if (objectparams.isParamPrim(paramtemp)) {
1619 TempDescriptor targ=fc.getArg(i);
1623 TypeDescriptor ptd=md.getParamType(i);
1624 if (ptd.isClass()&&!ptd.isArray())
1625 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
1626 output.print(generateTemp(fm, targ,lb));
1630 output.println(");");
1631 output.println(" }");
1634 private boolean singleCall(ClassDescriptor thiscd, MethodDescriptor md) {
1635 Set subclasses=typeutil.getSubClasses(thiscd);
1636 if (subclasses==null)
1638 for(Iterator classit=subclasses.iterator();classit.hasNext();) {
1639 ClassDescriptor cd=(ClassDescriptor)classit.next();
1640 Set possiblematches=cd.getMethodTable().getSet(md.getSymbol());
1641 for(Iterator matchit=possiblematches.iterator();matchit.hasNext();) {
1642 MethodDescriptor matchmd=(MethodDescriptor)matchit.next();
1643 if (md.matches(matchmd))
1650 private void generateFlatFieldNode(FlatMethod fm, LocalityBinding lb, FlatFieldNode ffn, PrintWriter output) {
1652 Integer status=locality.getNodeTempInfo(lb).get(ffn).get(ffn.getSrc());
1653 if (status==LocalityAnalysis.GLOBAL) {
1654 String field=ffn.getField().getSafeSymbol();
1655 String src="((struct "+ffn.getSrc().getType().getSafeSymbol()+" *)((unsigned int)"+generateTemp(fm, ffn.getSrc(),lb)+"+sizeof(objheader_t)))";
1656 String dst=generateTemp(fm, ffn.getDst(),lb);
1658 if (ffn.getField().getType().isPtr()||
1659 ffn.getField().getType().isArray()) {
1661 //TODO: Uncomment this when we have runtime support
1662 //if (ffn.getSrc()==ffn.getDst()) {
1663 //output.println("{");
1664 //output.println("void * temp="+src+";");
1665 //output.println("if (temp&0x1) {");
1666 //output.println("temp=(void *) transRead(trans, (unsigned int) temp);");
1667 //output.println(src+"->"+field+"="+temp+";");
1668 //output.println("}");
1669 //output.println(dst+"=temp;");
1670 //output.println("}");
1672 output.println(dst+"="+ src +"->"+field+ ";");
1673 //output.println("if ("+dst+"&0x1) {");
1674 output.println(dst+"=(void *) transRead(trans, (unsigned int) "+dst+");");
1675 //output.println(src+"->"+field+"="+src+"->"+field+";");
1676 //output.println("}");
1679 output.println(dst+"="+ src+"->"+field+";");
1681 } else if (status==LocalityAnalysis.LOCAL) {
1682 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
1683 } else if (status==LocalityAnalysis.EITHER) {
1684 //Code is reading from a null pointer
1685 output.println("if ("+generateTemp(fm, ffn.getSrc(),lb)+") {");
1686 output.println("printf(\"BIG ERROR\n\");exit(-1);}");
1687 //This should throw a suitable null pointer error
1688 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
1690 throw new Error("Read from non-global/non-local in:"+lb.getExplanation());
1692 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
1695 private void generateFlatSetFieldNode(FlatMethod fm, LocalityBinding lb, FlatSetFieldNode fsfn, PrintWriter output) {
1696 if (fsfn.getField().getSymbol().equals("length")&&fsfn.getDst().getType().isArray())
1697 throw new Error("Can't set array length");
1698 if (state.DSM && locality.getAtomic(lb).get(fsfn).intValue()>0) {
1699 Integer statussrc=locality.getNodeTempInfo(lb).get(fsfn).get(fsfn.getSrc());
1700 Integer statusdst=locality.getNodeTempInfo(lb).get(fsfn).get(fsfn.getDst());
1701 boolean srcglobal=statussrc==LocalityAnalysis.GLOBAL;
1703 String src=generateTemp(fm,fsfn.getSrc(),lb);
1704 String dst=generateTemp(fm,fsfn.getDst(),lb);
1706 output.println("{");
1707 output.println("int srcoid="+src+"->"+oidstr+";");
1709 if (statusdst.equals(LocalityAnalysis.GLOBAL)) {
1710 String glbdst="((struct "+fsfn.getDst().getType().getSafeSymbol()+" *)((unsigned int)"+dst+" +sizeof(objheader_t)))";
1712 output.println("*((unsigned int *)&("+dst+"->___localcopy___))|=DIRTY;");
1714 output.println("*((unsigned int *)&("+glbdst+"->"+ fsfn.getField().getSafeSymbol()+"))=srcoid;");
1715 output.println("}");
1717 output.println(glbdst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
1718 } else if (statusdst.equals(LocalityAnalysis.LOCAL)) {
1719 /** Check if we need to copy */
1720 output.println("if(!"+dst+"->"+localcopystr+") {");
1721 /* Link object into list */
1722 output.println(dst+"->"+nextobjstr+"=trans->localtrans;");
1723 output.println("trans->localtrans="+dst+";");
1724 if (GENERATEPRECISEGC)
1725 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
1727 output.println("COPY_OBJ("+dst+");");
1728 output.println("}");
1730 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"=srcoid;");
1732 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
1733 } else if (statusdst.equals(LocalityAnalysis.EITHER)) {
1734 //writing to a null...bad
1735 output.println("if ("+dst+") {");
1736 output.println("printf(\"BIG ERROR 2\n\");exit(-1);}");
1738 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"=srcoid;");
1740 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
1743 output.println("}");
1746 output.println(generateTemp(fm, fsfn.getDst(),lb)+"->"+ fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc(),lb)+";");
1750 private void generateFlatElementNode(FlatMethod fm, LocalityBinding lb, FlatElementNode fen, PrintWriter output) {
1751 TypeDescriptor elementtype=fen.getSrc().getType().dereference();
1754 if (elementtype.isArray()||elementtype.isClass())
1757 type=elementtype.getSafeSymbol()+" ";
1759 if (fen.needsBoundsCheck()) {
1760 output.println("if ("+generateTemp(fm, fen.getIndex(),lb)+"< 0 || "+generateTemp(fm, fen.getIndex(),lb)+" >= "+generateTemp(fm,fen.getSrc(),lb) + "->___length___)");
1761 output.println("failedboundschk();");
1764 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
1767 private void generateFlatSetElementNode(FlatMethod fm, LocalityBinding lb, FlatSetElementNode fsen, PrintWriter output) {
1768 //TODO: need dynamic check to make sure this assignment is actually legal
1769 //Because Object[] could actually be something more specific...ie. Integer[]
1771 TypeDescriptor elementtype=fsen.getDst().getType().dereference();
1774 if (elementtype.isArray()||elementtype.isClass())
1777 type=elementtype.getSafeSymbol()+" ";
1779 if (fsen.needsBoundsCheck()) {
1780 output.println("if ("+generateTemp(fm, fsen.getIndex(),lb)+"< 0 || "+generateTemp(fm, fsen.getIndex(),lb)+" >= "+generateTemp(fm,fsen.getDst(),lb) + "->___length___)");
1781 output.println("failedboundschk();");
1784 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
1787 private void generateFlatNew(FlatMethod fm, LocalityBinding lb, FlatNew fn, PrintWriter output) {
1788 if (fn.getType().isArray()) {
1789 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
1790 if (fn.isGlobal()) {
1791 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarrayglobal(trans, "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
1792 } else if (GENERATEPRECISEGC) {
1793 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray(&"+localsprefix+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
1795 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray("+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
1798 if (fn.isGlobal()) {
1799 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newglobal(trans, "+fn.getType().getClassDesc().getId()+");");
1800 } else if (GENERATEPRECISEGC) {
1801 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new(&"+localsprefix+", "+fn.getType().getClassDesc().getId()+");");
1803 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new("+fn.getType().getClassDesc().getId()+");");
1808 private void generateFlatTagDeclaration(FlatMethod fm, LocalityBinding lb, FlatTagDeclaration fn, PrintWriter output) {
1809 if (GENERATEPRECISEGC) {
1810 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_tag(&"+localsprefix+", "+state.getTagId(fn.getType())+");");
1812 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_tag("+state.getTagId(fn.getType())+");");
1816 private void generateFlatOpNode(FlatMethod fm, LocalityBinding lb, FlatOpNode fon, PrintWriter output) {
1817 if (fon.getRight()!=null)
1818 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+fon.getOp().toString()+generateTemp(fm,fon.getRight(),lb)+";");
1819 else if (fon.getOp().getOp()==Operation.ASSIGN)
1820 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+";");
1821 else if (fon.getOp().getOp()==Operation.UNARYPLUS)
1822 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+";");
1823 else if (fon.getOp().getOp()==Operation.UNARYMINUS)
1824 output.println(generateTemp(fm, fon.getDest(),lb)+" = -"+generateTemp(fm, fon.getLeft(),lb)+";");
1825 else if (fon.getOp().getOp()==Operation.LOGIC_NOT)
1826 output.println(generateTemp(fm, fon.getDest(),lb)+" = !"+generateTemp(fm, fon.getLeft(),lb)+";");
1828 output.println(generateTemp(fm, fon.getDest(),lb)+fon.getOp().toString()+generateTemp(fm, fon.getLeft(),lb)+";");
1831 private void generateFlatCastNode(FlatMethod fm, LocalityBinding lb, FlatCastNode fcn, PrintWriter output) {
1832 /* TODO: Do type check here */
1833 if (fcn.getType().isArray()) {
1835 } else if (fcn.getType().isClass())
1836 output.println(generateTemp(fm,fcn.getDst(),lb)+"=(struct "+fcn.getType().getSafeSymbol()+" *)"+generateTemp(fm,fcn.getSrc(),lb)+";");
1838 output.println(generateTemp(fm,fcn.getDst(),lb)+"=("+fcn.getType().getSafeSymbol()+")"+generateTemp(fm,fcn.getSrc(),lb)+";");
1841 private void generateFlatLiteralNode(FlatMethod fm, LocalityBinding lb, FlatLiteralNode fln, PrintWriter output) {
1842 if (fln.getValue()==null)
1843 output.println(generateTemp(fm, fln.getDst(),lb)+"=0;");
1844 else if (fln.getType().getSymbol().equals(TypeUtil.StringClass)) {
1845 if (GENERATEPRECISEGC) {
1846 output.println(generateTemp(fm, fln.getDst(),lb)+"=NewString(&"+localsprefix+", \""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
1848 output.println(generateTemp(fm, fln.getDst(),lb)+"=NewString(\""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
1850 } else if (fln.getType().isBoolean()) {
1851 if (((Boolean)fln.getValue()).booleanValue())
1852 output.println(generateTemp(fm, fln.getDst(),lb)+"=1;");
1854 output.println(generateTemp(fm, fln.getDst(),lb)+"=0;");
1855 } else if (fln.getType().isChar()) {
1856 String st=FlatLiteralNode.escapeString(fln.getValue().toString());
1857 output.println(generateTemp(fm, fln.getDst(),lb)+"='"+st+"';");
1859 output.println(generateTemp(fm, fln.getDst(),lb)+"="+fln.getValue()+";");
1862 private void generateFlatReturnNode(FlatMethod fm, LocalityBinding lb, FlatReturnNode frn, PrintWriter output) {
1863 if (frn.getReturnTemp()!=null)
1864 output.println("return "+generateTemp(fm, frn.getReturnTemp(), lb)+";");
1866 output.println("return;");
1869 private void generateFlatCondBranch(FlatMethod fm, LocalityBinding lb, FlatCondBranch fcb, String label, PrintWriter output) {
1870 output.println("if (!"+generateTemp(fm, fcb.getTest(),lb)+") goto "+label+";");
1873 /** This method generates header information for the method or
1874 * task referenced by the Descriptor des. */
1876 private void generateHeader(FlatMethod fm, LocalityBinding lb, Descriptor des, PrintWriter output) {
1878 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null?lb:des);
1879 MethodDescriptor md=null;
1880 TaskDescriptor task=null;
1881 if (des instanceof MethodDescriptor)
1882 md=(MethodDescriptor) des;
1884 task=(TaskDescriptor) des;
1886 ClassDescriptor cn=md!=null?md.getClassDesc():null;
1888 if (md!=null&&md.getReturnType()!=null) {
1889 if (md.getReturnType().isClass()||md.getReturnType().isArray())
1890 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1892 output.print(md.getReturnType().getSafeSymbol()+" ");
1894 //catch the constructor case
1895 output.print("void ");
1898 output.print(cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1900 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1902 output.print(task.getSafeSymbol()+"(");
1904 boolean printcomma=false;
1905 if (GENERATEPRECISEGC) {
1908 output.print("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1910 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1912 output.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
1916 if (state.DSM&&lb.isAtomic()) {
1919 output.print("transrecord_t * trans");
1925 for(int i=0;i<objectparams.numPrimitives();i++) {
1926 TempDescriptor temp=objectparams.getPrimitive(i);
1930 if (temp.getType().isClass()||temp.getType().isArray())
1931 output.print("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1933 output.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1935 output.println(") {");
1936 } else if (!GENERATEPRECISEGC) {
1937 /* Imprecise Task */
1938 output.println("void * parameterarray[]) {");
1939 /* Unpack variables */
1940 for(int i=0;i<objectparams.numPrimitives();i++) {
1941 TempDescriptor temp=objectparams.getPrimitive(i);
1942 output.println("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+"=parameterarray["+i+"];");
1944 for(int i=0;i<fm.numTags();i++) {
1945 TempDescriptor temp=fm.getTag(i);
1946 int offset=i+objectparams.numPrimitives();
1947 output.println("struct ___TagDescriptor___ * "+temp.getSafeSymbol()+"=parameterarray["+offset+"];");
1950 if ((objectparams.numPrimitives()+fm.numTags())>maxtaskparams)
1951 maxtaskparams=objectparams.numPrimitives()+fm.numTags();
1952 } else output.println(") {");
1955 public void generateFlatFlagActionNode(FlatMethod fm, LocalityBinding lb, FlatFlagActionNode ffan, PrintWriter output) {
1956 output.println("/* FlatFlagActionNode */");
1959 /* Process tag changes */
1960 Relation tagsettable=new Relation();
1961 Relation tagcleartable=new Relation();
1963 Iterator tagsit=ffan.getTempTagPairs();
1964 while (tagsit.hasNext()) {
1965 TempTagPair ttp=(TempTagPair) tagsit.next();
1966 TempDescriptor objtmp=ttp.getTemp();
1967 TagDescriptor tag=ttp.getTag();
1968 TempDescriptor tagtmp=ttp.getTagTemp();
1969 boolean tagstatus=ffan.getTagChange(ttp);
1971 tagsettable.put(objtmp, tagtmp);
1973 tagcleartable.put(objtmp, tagtmp);
1978 Hashtable flagandtable=new Hashtable();
1979 Hashtable flagortable=new Hashtable();
1981 /* Process flag changes */
1982 Iterator flagsit=ffan.getTempFlagPairs();
1983 while(flagsit.hasNext()) {
1984 TempFlagPair tfp=(TempFlagPair)flagsit.next();
1985 TempDescriptor temp=tfp.getTemp();
1986 Hashtable flagtable=(Hashtable)flagorder.get(temp.getType().getClassDesc());
1987 FlagDescriptor flag=tfp.getFlag();
1989 //Newly allocate objects that don't set any flags case
1990 if (flagortable.containsKey(temp)) {
1994 flagortable.put(temp,new Integer(mask));
1996 int flagid=1<<((Integer)flagtable.get(flag)).intValue();
1997 boolean flagstatus=ffan.getFlagChange(tfp);
2000 if (flagortable.containsKey(temp)) {
2001 mask=((Integer)flagortable.get(temp)).intValue();
2004 flagortable.put(temp,new Integer(mask));
2006 int mask=0xFFFFFFFF;
2007 if (flagandtable.containsKey(temp)) {
2008 mask=((Integer)flagandtable.get(temp)).intValue();
2010 mask&=(0xFFFFFFFF^flagid);
2011 flagandtable.put(temp,new Integer(mask));
2017 HashSet flagtagset=new HashSet();
2018 flagtagset.addAll(flagortable.keySet());
2019 flagtagset.addAll(flagandtable.keySet());
2020 flagtagset.addAll(tagsettable.keySet());
2021 flagtagset.addAll(tagcleartable.keySet());
2023 Iterator ftit=flagtagset.iterator();
2024 while(ftit.hasNext()) {
2025 TempDescriptor temp=(TempDescriptor)ftit.next();
2028 Set tagtmps=tagcleartable.get(temp);
2029 if (tagtmps!=null) {
2030 Iterator tagit=tagtmps.iterator();
2031 while(tagit.hasNext()) {
2032 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
2033 if (GENERATEPRECISEGC)
2034 output.println("tagclear(&"+localsprefix+", (struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2036 output.println("tagclear((struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2040 tagtmps=tagsettable.get(temp);
2041 if (tagtmps!=null) {
2042 Iterator tagit=tagtmps.iterator();
2043 while(tagit.hasNext()) {
2044 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
2045 if (GENERATEPRECISEGC)
2046 output.println("tagset(&"+localsprefix+", (struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2048 output.println("tagset((struct ___Object___ *)"+generateTemp(fm, temp, lb)+", "+generateTemp(fm,tagtmp, lb)+");");
2053 int andmask=0xFFFFFFF;
2055 if (flagortable.containsKey(temp))
2056 ormask=((Integer)flagortable.get(temp)).intValue();
2057 if (flagandtable.containsKey(temp))
2058 andmask=((Integer)flagandtable.get(temp)).intValue();
2059 if (ffan.getTaskType()==FlatFlagActionNode.NEWOBJECT) {
2060 output.println("flagorandinit("+generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
2062 output.println("flagorand("+generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
2067 void generateOptionalArrays(PrintWriter output, PrintWriter headers, Hashtable<ClassDescriptor, Hashtable<FlagState, HashSet>> safeexecution, Hashtable optionaltaskdescriptors) {
2070 headers.println("#include \"task.h\"\n\n");
2071 headers.println("#ifndef _OPTIONAL_STRUCT_");
2072 headers.println("#define _OPTIONAL_STRUCT_");
2077 //STRUCT PREDICATEMEMBER
2078 headers.println("struct predicatemember{");
2079 headers.println("int type;");
2080 headers.println("int numdnfterms;");
2081 headers.println("int * flags;");
2082 headers.println("int numtags;");
2083 headers.println("int * tags;\n};\n\n");
2085 /*//STRUCT EXITSTATES
2086 headers.println("struct exitstates{");
2087 headers.println("int numflagstates;");
2088 headers.println("int * flagstatearray;\n};\n\n");*///appeared to be useless
2090 //STRUCT OPTIONALTASKDESCRIPTOR
2091 headers.println("struct optionaltaskdescriptor{");
2092 headers.println("struct taskdescriptor * task;");
2093 headers.println("int numenterflags;");
2094 headers.println("int * enterflags;");
2095 headers.println("int numpredicatemembers;");
2096 headers.println("struct predicatemember ** predicatememberarray;");
2097 //headers.println("int numexitstates;");
2098 //headers.println("int numTotal;");
2099 //headers.println("struct exitstates ** exitstatesarray;\n};\n\n");
2100 headers.println("\n};\n\n");
2102 //STRUCT FSANALYSISWRAPPER
2103 headers.println("struct fsanalysiswrapper{");
2104 headers.println("int flags;");
2105 headers.println("int numtags;");
2106 headers.println("int * tags;");
2107 headers.println("int numoptionaltaskdescriptors;");
2108 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
2110 //STRUCT CLASSANALYSISWRAPPER
2111 headers.println("struct classanalysiswrapper{");
2112 headers.println("int type;");
2113 headers.println("int numotd;");
2114 headers.println("struct optionaltaskdescriptor ** otdarray;");
2115 headers.println("int numfsanalysiswrappers;");
2116 headers.println("struct fsanalysiswrapper ** fsanalysiswrapperarray;\n};");
2118 headers.println("extern struct classanalysiswrapper * classanalysiswrapperarray[];");
2120 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
2121 while(taskit.hasNext()) {
2122 TaskDescriptor td=(TaskDescriptor)taskit.next();
2123 headers.println("extern struct taskdescriptor task_"+td.getSafeSymbol()+";");
2129 output.println("#include \"optionalstruct.h\"\n\n");
2130 HashSet processedcd = new HashSet();
2133 Enumeration e = safeexecution.keys();
2134 while (e.hasMoreElements()) {
2137 ClassDescriptor cdtemp=(ClassDescriptor)e.nextElement();
2138 Hashtable flaginfo=(Hashtable)flagorder.get(cdtemp);//will be used several times
2140 //////////////////////////DEBUG
2141 System.out.println(cdtemp.getSymbol()+" "+cdtemp.getId());
2142 for(Iterator flags = cdtemp.getFlags(); flags.hasNext();){
2143 FlagDescriptor flagd = (FlagDescriptor)flags.next();
2144 int flagid=1<<((Integer)flaginfo.get(flagd)).intValue();
2145 System.out.println(" Flag "+flagd.getSymbol()+" 0x"+Integer.toHexString(flagid)+" int "+flagid);
2147 ///////////////////////////
2149 //Generate the struct of optionals
2150 if((Hashtable)optionaltaskdescriptors.get(cdtemp)==null) System.out.println("Was in cd :"+cdtemp.getSymbol());
2151 Collection c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
2152 numotd = c_otd.size();
2153 if(maxotd<numotd) maxotd = numotd;
2154 if( !c_otd.isEmpty() ){
2155 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext();){
2156 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
2158 //generate the int arrays for the predicate
2159 Predicate predicate = otd.predicate;
2160 int predicateindex = 0;
2161 //iterate through the classes concerned by the predicate
2162 Collection c_vard = predicate.vardescriptors.values();
2163 for(Iterator vard_it = c_vard.iterator(); vard_it.hasNext();){
2164 VarDescriptor vard = (VarDescriptor)vard_it.next();
2165 TypeDescriptor typed = vard.getType();
2167 //generate for flags
2168 HashSet fen_hashset = predicate.flags.get(vard.getSymbol());
2169 output.println("int predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2171 if (fen_hashset!=null){
2172 for (Iterator fen_it = fen_hashset.iterator(); fen_it.hasNext();){
2173 FlagExpressionNode fen = (FlagExpressionNode)fen_it.next();
2178 DNFFlag dflag=fen.getDNF();
2179 numberterms+=dflag.size();
2181 Hashtable flags=(Hashtable)flagorder.get(typed.getClassDesc());
2183 for(int j=0;j<dflag.size();j++) {
2185 output.println(",");
2186 Vector term=dflag.get(j);
2189 for(int k=0;k<term.size();k++) {
2190 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
2191 FlagDescriptor fd=dfa.getFlag();
2192 boolean negated=dfa.getNegated();
2193 int flagid=1<<((Integer)flags.get(fd)).intValue();
2198 output.print("/*andmask*/0x"+Integer.toHexString(andmask)+", /*checkmask*/0x"+Integer.toHexString(checkmask));
2203 output.println("};\n");
2206 TagExpressionList tagel = predicate.tags.get(vard.getSymbol());
2207 output.println("int predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2208 //BUG...added next line to fix, test with any task program
2211 for(int j=0;j<tagel.numTags();j++) {
2213 output.println(",");
2214 TempDescriptor tmp=tagel.getTemp(j);
2215 //got rid of slot, maybe some improvments to do ???
2216 output.println("/*tagid*/"+state.getTagId(tmp.getTag()));
2218 numtags = tagel.numTags();
2220 output.println("};");
2222 //store the result into a predicatemember struct
2223 output.println("struct predicatemember predicatemember_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
2224 output.println("/*type*/"+typed.getClassDesc().getId()+",");
2225 output.println("/* number of dnf terms */"+numberterms+",");
2226 output.println("predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2227 output.println("/* number of tag */"+numtags+",");
2228 output.println("predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2229 output.println("};\n");
2234 //generate an array that stores the entire predicate
2235 output.println("struct predicatemember * predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2236 for( int j = 0; j<predicateindex; j++){
2237 if( j != predicateindex-1)output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2238 else output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
2240 output.println("};\n");
2242 //generate the struct for possible exitfses, appeared to be useless
2243 /*HashSet<HashSet> exitfses = otd.exitfses;
2245 int nbexit = exitfses.size();
2248 //iterate through possible exits
2250 for(Iterator exitfseshash = exitfses.iterator(); exitfseshash.hasNext();){
2251 HashSet temp_hashset = (HashSet)exitfseshash.next();
2253 output.println("int flag_EXIT"+exitindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2254 //iterate through possible FSes corresponding to the exit
2255 for(Iterator exfses = temp_hashset.iterator(); exfses.hasNext();){
2256 FlagState fs = (FlagState)exfses.next();
2260 for(Iterator flags = fs.getFlags(); flags.hasNext();){
2261 FlagDescriptor flagd = (FlagDescriptor)flags.next();
2262 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
2265 if(fsnumber!=1) output.print(",");
2266 output.print(flagid);
2267 //do the same for tags.
2268 //maybe not needed because no tag changes tolerated.
2270 output.println("};\n");
2273 //store that information in a struct
2274 output.println("struct exitstates exitstates"+exitindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
2275 output.println(fsnumber+",");
2276 output.println("flag_EXIT"+exitindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
2277 output.println("};\n");
2282 //store the information concerning all exits into an array
2283 output.println("struct exitstates * exitstatesarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2284 for( int j = 0; j<nbexit; j++){
2285 if( j != nbexit-1)output.println("&exitstates"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2286 else output.println("&exitstates"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"};\n");
2290 output.println("int enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2291 //iterate through possible FSes corresponding to the state when entering
2292 for(Iterator fses = otd.flagstates.iterator(); fses.hasNext();){
2293 FlagState fs = (FlagState)fses.next();
2296 for(Iterator flags = fs.getFlags(); flags.hasNext();){
2297 FlagDescriptor flagd = (FlagDescriptor)flags.next();
2298 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
2301 if(fsnumber!=1) output.print(",");
2302 output.print(flagid);
2303 //tag information not needed because tag changes are not tolerated.
2305 output.println("};\n");
2308 //generate optionaltaskdescriptor that actually includes exit fses, predicate and the task concerned
2309 output.println("struct optionaltaskdescriptor optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
2310 output.println("&task_"+otd.td.getSafeSymbol()+",");
2311 output.println("/*number of enter flags*/"+fsnumber+",");
2312 output.println("enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2313 output.println("/*number of members */"+predicateindex+",");
2314 output.println("predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2315 //output.println("/*number of exitstates */"+nbexit+",");
2316 //output.println("/*total number of fses*/"+nbtotal+",");
2317 //output.println("exitstatesarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
2318 output.println("};\n");
2321 else continue; // if there is no optionals, there is no need to build the rest of the struct
2323 output.println("struct optionaltaskdescriptor * otdarray"+cdtemp.getSafeSymbol()+"[]={");
2324 c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
2326 if( !c_otd.isEmpty() ){
2327 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext();){
2328 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
2329 if(x!=0) output.println(",");
2331 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
2334 output.println("};\n");
2336 //get all the possible falgstates reachable by an object
2337 Hashtable hashtbtemp = safeexecution.get(cdtemp);
2338 Enumeration fses = hashtbtemp.keys();
2340 while(fses.hasMoreElements()){
2341 FlagState fs = (FlagState)fses.nextElement();
2344 //get the set of OptionalTaskDescriptors corresponding
2345 HashSet availabletasks = (HashSet)hashtbtemp.get(fs);
2346 //iterate through the OptionalTaskDescriptors and store the pointers to the optionals struct (see on top) into an array
2348 output.println("struct optionaltaskdescriptor * optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[] = {");
2349 for(Iterator mos = availabletasks.iterator(); mos.hasNext();){
2350 OptionalTaskDescriptor mm = (OptionalTaskDescriptor)mos.next();
2351 if(!mos.hasNext()) output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol());
2353 else output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2356 output.println("};\n");
2358 //process flag information (what the flag after failure is) so we know what optionaltaskdescriptors to choose.
2361 for(Iterator flags = fs.getFlags(); flags.hasNext();){
2362 FlagDescriptor flagd = (FlagDescriptor)flags.next();
2363 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
2368 //process tag information
2371 boolean first = true;
2372 Enumeration tag_enum = fs.getTags();
2373 output.println("int tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
2374 while(tag_enum.hasMoreElements()){
2376 TagDescriptor tagd = (TagDescriptor)tag_enum.nextElement();
2380 output.println(", ");
2381 output.println("/*tagid*/"+state.getTagId(tagd));
2383 output.println("};");
2386 //Store the result in fsanalysiswrapper
2388 output.println("struct fsanalysiswrapper fsanalysiswrapper_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"={");
2389 output.println("/*flag*/"+flagid+",");
2390 output.println("/* number of tags*/"+tagcounter+",");
2391 output.println("tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
2392 output.println("/* number of optionaltaskdescriptors */"+availabletasks.size()+",");
2393 output.println("optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol());
2394 output.println("};\n");
2398 //Build the array of fsanalysiswrappers
2399 output.println("struct fsanalysiswrapper * fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"[] = {");
2400 for(int i = 0; i<fscounter; i++){
2401 if(i==fscounter-1) output.println("&fsanalysiswrapper_FS"+(i+1)+"_"+cdtemp.getSafeSymbol()+"};\n");
2403 else output.println("&fsanalysiswrapper_FS"+(i+1)+"_"+cdtemp.getSafeSymbol()+",");
2406 //Build the classanalysiswrapper referring to the previous array
2407 output.println("struct classanalysiswrapper classanalysiswrapper_"+cdtemp.getSafeSymbol()+"={");
2408 output.println("/*type*/"+cdtemp.getId()+",");
2409 output.println("/*numotd*/"+numotd+",");
2410 output.println("otdarray"+cdtemp.getSafeSymbol()+",");
2411 output.println("/* number of fsanalysiswrappers */"+fscounter+",");
2412 output.println("fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"};\n");
2414 processedcd.add(cdtemp);
2417 //build an array containing every classes for which code has been build
2418 output.println("struct classanalysiswrapper * classanalysiswrapperarray[]={");
2419 boolean needcomma=false;
2420 for(Iterator classit = processedcd.iterator(); classit.hasNext();){
2421 ClassDescriptor cdtemp=(ClassDescriptor)classit.next();
2423 output.println(", ");
2425 output.println("&classanalysiswrapper_"+cdtemp.getSafeSymbol());
2427 output.println("};");
2429 output.println("int numclasses="+processedcd.size()+";");
2430 headers.println("extern numclasses;");
2431 output.println("int maxotd="+maxotd+";");
2432 headers.println("extern maxotd;");
2433 headers.println("#endif");