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.FlagComparator;
12 import Analysis.TaskStateAnalysis.OptionalTaskDescriptor;
13 import Analysis.TaskStateAnalysis.Predicate;
14 import Analysis.TaskStateAnalysis.SafetyAnalysis;
15 import Analysis.TaskStateAnalysis.TaskIndex;
16 import Analysis.Locality.LocalityAnalysis;
17 import Analysis.Locality.LocalityBinding;
19 public class BuildCode {
22 Hashtable paramstable;
27 String localsprefix="___locals___";
28 String paramsprefix="___params___";
29 String oidstr="___nextobject___";
30 String nextobjstr="___nextobject___";
31 String localcopystr="___localcopy___";
32 public static boolean GENERATEPRECISEGC=false;
33 public static String PREFIX="";
34 public static String arraytype="ArrayObject";
37 private int maxtaskparams=0;
38 private int maxcount=0;
39 ClassDescriptor[] cdarray;
40 TypeDescriptor[] arraytable;
41 LocalityAnalysis locality;
42 Hashtable<TempDescriptor, TempDescriptor> backuptable;
43 Hashtable<LocalityBinding, TempDescriptor> reverttable;
46 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, SafetyAnalysis sa) {
47 this(st, temptovar, typeutil, null, sa);
50 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, LocalityAnalysis locality) {
51 this(st, temptovar, typeutil, locality, null);
54 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, LocalityAnalysis locality, SafetyAnalysis sa) {
57 this.temptovar=temptovar;
58 paramstable=new Hashtable();
59 tempstable=new Hashtable();
60 fieldorder=new Hashtable();
61 flagorder=new Hashtable();
62 this.typeutil=typeutil;
63 virtualcalls=new Virtual(state,locality);
65 this.locality=locality;
66 this.backuptable=new Hashtable<TempDescriptor, TempDescriptor>();
67 this.reverttable=new Hashtable<LocalityBinding, TempDescriptor>();
71 /** The buildCode method outputs C code for all the methods. The Flat
72 * versions of the methods must already be generated and stored in
73 * the State object. */
75 public void buildCode() {
76 /* Create output streams to write to */
77 PrintWriter outclassdefs=null;
78 PrintWriter outstructs=null;
79 PrintWriter outrepairstructs=null;
80 PrintWriter outmethodheader=null;
81 PrintWriter outmethod=null;
82 PrintWriter outvirtual=null;
83 PrintWriter outtask=null;
84 PrintWriter outtaskdefs=null;
85 PrintWriter outoptionalarrays=null;
86 PrintWriter optionalheaders=null;
89 outstructs=new PrintWriter(new FileOutputStream(PREFIX+"structdefs.h"), true);
90 outmethodheader=new PrintWriter(new FileOutputStream(PREFIX+"methodheaders.h"), true);
91 outclassdefs=new PrintWriter(new FileOutputStream(PREFIX+"classdefs.h"), true);
92 outmethod=new PrintWriter(new FileOutputStream(PREFIX+"methods.c"), true);
93 outvirtual=new PrintWriter(new FileOutputStream(PREFIX+"virtualtable.h"), true);
95 outtask=new PrintWriter(new FileOutputStream(PREFIX+"task.h"), true);
96 outtaskdefs=new PrintWriter(new FileOutputStream(PREFIX+"taskdefs.c"), true);
98 outoptionalarrays=new PrintWriter(new FileOutputStream(PREFIX+"optionalarrays.c"), true);
99 optionalheaders=new PrintWriter(new FileOutputStream(PREFIX+"optionalstruct.h"), true);
102 if (state.structfile!=null) {
103 outrepairstructs=new PrintWriter(new FileOutputStream(PREFIX+state.structfile+".struct"), true);
105 } catch (Exception e) {
110 /* Build the virtual dispatch tables */
111 buildVirtualTables(outvirtual);
113 /* Output includes */
114 outmethodheader.println("#ifndef METHODHEADERS_H");
115 outmethodheader.println("#define METHODHEADERS_H");
116 outmethodheader.println("#include \"structdefs.h\"");
118 outmethodheader.println("#include \"dstm.h\"");
120 /* Output Structures */
121 outputStructs(outstructs);
123 // Output the C class declarations
124 // These could mutually reference each other
125 outputClassDeclarations(outclassdefs);
127 // Output function prototypes and structures for parameters
128 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
129 while(it.hasNext()) {
130 ClassDescriptor cn=(ClassDescriptor)it.next();
131 generateCallStructs(cn, outclassdefs, outstructs, outmethodheader);
133 outclassdefs.close();
136 /* Map flags to integers */
137 /* The runtime keeps track of flags using these integers */
138 it=state.getClassSymbolTable().getDescriptorsIterator();
139 while(it.hasNext()) {
140 ClassDescriptor cn=(ClassDescriptor)it.next();
144 generateTaskStructs(outstructs, outmethodheader);
146 /* Outputs generic task structures if this is a task
148 outputTaskTypes(outtask);
151 /* Build the actual methods */
152 outputMethods(outmethod);
155 /* Output code for tasks */
156 outputTaskCode(outtaskdefs, outmethod);
158 /* Record maximum number of task parameters */
159 outstructs.println("#define MAXTASKPARAMS "+maxtaskparams);
160 } else if (state.main!=null) {
161 /* Generate main method */
162 outputMainMethod(outmethod);
165 /* Generate information for task with optional parameters */
166 if (state.TASK&&state.OPTIONAL){
167 generateOptionalArrays(outoptionalarrays, optionalheaders, state.getAnalysisResult(), state.getOptionalTaskDescriptors());
168 outoptionalarrays.close();
171 /* Output structure definitions for repair tool */
172 if (state.structfile!=null) {
173 buildRepairStructs(outrepairstructs);
174 outrepairstructs.close();
178 outmethodheader.println("#endif");
179 outmethodheader.close();
181 outstructs.println("#endif");
185 /* This code just generates the main C method for java programs.
186 * The main C method packs up the arguments into a string array
187 * and passes it to the java main method. */
189 private void outputMainMethod(PrintWriter outmethod) {
190 outmethod.println("int main(int argc, const char *argv[]) {");
191 outmethod.println(" int i;");
193 outmethod.println("if (dstmStartup(argv[1])) {");
194 if (GENERATEPRECISEGC) {
195 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-2);");
197 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-2);");
200 if (GENERATEPRECISEGC) {
201 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-1);");
203 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-1);");
207 outmethod.println("initializethreads();");
210 outmethod.println(" for(i=2;i<argc;i++) {");
212 outmethod.println(" for(i=1;i<argc;i++) {");
213 outmethod.println(" int length=strlen(argv[i]);");
214 if (GENERATEPRECISEGC) {
215 outmethod.println(" struct ___String___ *newstring=NewString(NULL, argv[i], length);");
217 outmethod.println(" struct ___String___ *newstring=NewString(argv[i], length);");
220 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-2]=newstring;");
222 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-1]=newstring;");
223 outmethod.println(" }");
226 MethodDescriptor md=typeutil.getMain();
227 ClassDescriptor cd=typeutil.getMainClass();
229 outmethod.println(" {");
230 if (GENERATEPRECISEGC) {
232 outmethod.print(" struct "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
234 outmethod.print(" struct "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
235 outmethod.println("1, NULL,"+"stringarray};");
237 outmethod.println(" "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
239 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
242 outmethod.println(" "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
244 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
246 outmethod.println(" }");
249 outmethod.println("}");
253 outmethod.println("pthread_mutex_lock(&gclistlock);");
254 outmethod.println("threadcount--;");
255 outmethod.println("pthread_cond_signal(&gccond);");
256 outmethod.println("pthread_mutex_unlock(&gclistlock);");
257 outmethod.println("pthread_exit(NULL);");
261 outmethod.println("}");
264 /* This method outputs code for each task. */
266 private void outputTaskCode(PrintWriter outtaskdefs, PrintWriter outmethod) {
267 /* Compile task based program */
268 outtaskdefs.println("#include \"task.h\"");
269 outtaskdefs.println("#include \"methodheaders.h\"");
270 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
271 while(taskit.hasNext()) {
272 TaskDescriptor td=(TaskDescriptor)taskit.next();
273 FlatMethod fm=state.getMethodFlat(td);
274 generateFlatMethod(fm, null, outmethod);
275 generateTaskDescriptor(outtaskdefs, fm, td);
278 //Output task descriptors
279 taskit=state.getTaskSymbolTable().getDescriptorsIterator();
280 outtaskdefs.println("struct taskdescriptor * taskarray[]= {");
282 while(taskit.hasNext()) {
283 TaskDescriptor td=(TaskDescriptor)taskit.next();
287 outtaskdefs.println(",");
288 outtaskdefs.print("&task_"+td.getSafeSymbol());
290 outtaskdefs.println("};");
292 outtaskdefs.println("int numtasks="+state.getTaskSymbolTable().getValueSet().size()+";");
295 /* This method outputs most of the methods.c file. This includes
296 * some standard includes and then an array with the sizes of
297 * objets and array that stores supertype and then the code for
298 * the Java methods.. */
300 private void outputMethods(PrintWriter outmethod) {
301 outmethod.println("#include \"methodheaders.h\"");
302 outmethod.println("#include \"virtualtable.h\"");
303 outmethod.println("#include <runtime.h>");
305 outmethod.println("#include \"localobjects.h\"");
308 outmethod.println("#include <thread.h>");
309 if (state.main!=null) {
310 outmethod.println("#include <string.h>");
312 if (state.CONSCHECK) {
313 outmethod.println("#include \"checkers.h\"");
315 //Store the sizes of classes & array elements
316 generateSizeArray(outmethod);
318 //Store table of supertypes
319 generateSuperTypeTable(outmethod);
321 //Store the layout of classes
322 generateLayoutStructs(outmethod);
324 /* Generate code for methods */
326 for(Iterator<LocalityBinding> lbit=locality.getLocalityBindings().iterator();lbit.hasNext();) {
327 LocalityBinding lb=lbit.next();
328 MethodDescriptor md=lb.getMethod();
329 FlatMethod fm=state.getMethodFlat(md);
330 if (!md.getModifiers().isNative()) {
331 generateFlatMethod(fm, lb, outmethod);
335 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
336 while(classit.hasNext()) {
337 ClassDescriptor cn=(ClassDescriptor)classit.next();
338 Iterator methodit=cn.getMethods();
339 while(methodit.hasNext()) {
340 /* Classify parameters */
341 MethodDescriptor md=(MethodDescriptor)methodit.next();
342 FlatMethod fm=state.getMethodFlat(md);
343 if (!md.getModifiers().isNative()) {
344 generateFlatMethod(fm, null, outmethod);
351 private void outputStructs(PrintWriter outstructs) {
352 outstructs.println("#ifndef STRUCTDEFS_H");
353 outstructs.println("#define STRUCTDEFS_H");
354 outstructs.println("#include \"classdefs.h\"");
356 /* Output #defines that the runtime uses to determine type
357 * numbers for various objects it needs */
358 outstructs.println("#define MAXCOUNT "+maxcount);
360 LocalityBinding lb=new LocalityBinding(typeutil.getRun(), false);
361 lb.setGlobalThis(LocalityAnalysis.GLOBAL);
362 outstructs.println("#define RUNMETHOD "+virtualcalls.getLocalityNumber(lb));
365 outstructs.println("#define STRINGARRAYTYPE "+
366 (state.getArrayNumber(
367 (new TypeDescriptor(typeutil.getClass(TypeUtil.StringClass))).makeArray(state))+state.numClasses()));
369 outstructs.println("#define OBJECTARRAYTYPE "+
370 (state.getArrayNumber(
371 (new TypeDescriptor(typeutil.getClass(TypeUtil.ObjectClass))).makeArray(state))+state.numClasses()));
374 outstructs.println("#define STRINGTYPE "+typeutil.getClass(TypeUtil.StringClass).getId());
375 outstructs.println("#define CHARARRAYTYPE "+
376 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.CHAR)).makeArray(state))+state.numClasses()));
378 outstructs.println("#define BYTEARRAYTYPE "+
379 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state))+state.numClasses()));
381 outstructs.println("#define BYTEARRAYARRAYTYPE "+
382 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state).makeArray(state))+state.numClasses()));
384 outstructs.println("#define NUMCLASSES "+state.numClasses());
386 outstructs.println("#define STARTUPTYPE "+typeutil.getClass(TypeUtil.StartupClass).getId());
387 outstructs.println("#define TAGTYPE "+typeutil.getClass(TypeUtil.TagClass).getId());
388 outstructs.println("#define TAGARRAYTYPE "+
389 (state.getArrayNumber(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass)).makeArray(state))+state.numClasses()));
393 private void outputClassDeclarations(PrintWriter outclassdefs) {
395 outclassdefs.println("#include <pthread.h>");
397 outclassdefs.println("#include \"optionalstruct.h\"");
398 outclassdefs.println("struct "+arraytype+";");
399 /* Start by declaring all structs */
400 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
401 while(it.hasNext()) {
402 ClassDescriptor cn=(ClassDescriptor)it.next();
403 outclassdefs.println("struct "+cn.getSafeSymbol()+";");
405 outclassdefs.println("");
406 //Print out definition for array type
407 outclassdefs.println("struct "+arraytype+" {");
408 outclassdefs.println(" int type;");
410 outclassdefs.println(" pthread_t tid;");
411 outclassdefs.println(" void * lockentry;");
412 outclassdefs.println(" int lockcount;");
415 outclassdefs.println(" int flag;");
416 outclassdefs.println(" void * flagptr;");
418 outclassdefs.println(" int numfses;");
419 outclassdefs.println(" int * fses;");
422 printClassStruct(typeutil.getClass(TypeUtil.ObjectClass), outclassdefs);
424 outclassdefs.println(" int ___length___;");
425 outclassdefs.println("};\n");
426 outclassdefs.println("extern int classsize[];");
427 outclassdefs.println("extern int hasflags[];");
428 outclassdefs.println("extern unsigned int * pointerarray[];");
429 outclassdefs.println("extern int supertypes[];");
432 /** Prints out definitions for generic task structures */
434 private void outputTaskTypes(PrintWriter outtask) {
435 outtask.println("#ifndef _TASK_H");
436 outtask.println("#define _TASK_H");
437 outtask.println("struct parameterdescriptor {");
438 outtask.println("int type;");
439 outtask.println("int numberterms;");
440 outtask.println("int *intarray;");
441 outtask.println("void * queue;");
442 outtask.println("int numbertags;");
443 outtask.println("int *tagarray;");
444 outtask.println("};");
446 outtask.println("struct taskdescriptor {");
447 outtask.println("void * taskptr;");
448 outtask.println("int numParameters;");
449 outtask.println("int numTotal;");
450 outtask.println("struct parameterdescriptor **descriptorarray;");
451 outtask.println("char * name;");
452 outtask.println("};");
453 outtask.println("extern struct taskdescriptor * taskarray[];");
454 outtask.println("extern numtasks;");
455 outtask.println("#endif");
459 private void buildRepairStructs(PrintWriter outrepairstructs) {
460 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
461 while(classit.hasNext()) {
462 ClassDescriptor cn=(ClassDescriptor)classit.next();
463 outrepairstructs.println("structure "+cn.getSymbol()+" {");
464 outrepairstructs.println(" int __type__;");
466 outrepairstructs.println(" int __flag__;");
467 outrepairstructs.println(" int __flagptr__;");
469 printRepairStruct(cn, outrepairstructs);
470 outrepairstructs.println("}\n");
473 for(int i=0;i<state.numArrays();i++) {
474 TypeDescriptor tdarray=arraytable[i];
475 TypeDescriptor tdelement=tdarray.dereference();
476 outrepairstructs.println("structure "+arraytype+"_"+state.getArrayNumber(tdarray)+" {");
477 outrepairstructs.println(" int __type__;");
478 printRepairStruct(typeutil.getClass(TypeUtil.ObjectClass), outrepairstructs);
479 outrepairstructs.println(" int length;");
481 // Need to add support to repair tool for this
482 if (tdelement.isClass()||tdelement.isArray())
483 outrepairstructs.println(" "+tdelement.getRepairSymbol()+" * elem[this.length];");
485 outrepairstructs.println(" "+tdelement.getRepairSymbol()+" elem[this.length];");
487 outrepairstructs.println("}\n");
491 private void printRepairStruct(ClassDescriptor cn, PrintWriter output) {
492 ClassDescriptor sp=cn.getSuperDesc();
494 printRepairStruct(sp, output);
496 Vector fields=(Vector)fieldorder.get(cn);
498 for(int i=0;i<fields.size();i++) {
499 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
500 if (fd.getType().isArray()) {
501 output.println(" "+arraytype+"_"+ state.getArrayNumber(fd.getType()) +" * "+fd.getSymbol()+";");
502 } else if (fd.getType().isClass())
503 output.println(" "+fd.getType().getRepairSymbol()+" * "+fd.getSymbol()+";");
504 else if (fd.getType().isFloat())
505 output.println(" int "+fd.getSymbol()+"; /* really float */");
507 output.println(" "+fd.getType().getRepairSymbol()+" "+fd.getSymbol()+";");
511 /** This method outputs TaskDescriptor information */
512 void generateTaskDescriptor(PrintWriter output, FlatMethod fm, TaskDescriptor task) {
513 for (int i=0;i<task.numParameters();i++) {
514 VarDescriptor param_var=task.getParameter(i);
515 TypeDescriptor param_type=task.getParamType(i);
516 FlagExpressionNode param_flag=task.getFlag(param_var);
517 TagExpressionList param_tag=task.getTag(param_var);
520 if (param_flag==null) {
521 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
522 output.println("0x0, 0x0 };");
525 DNFFlag dflag=param_flag.getDNF();
526 dnfterms=dflag.size();
528 Hashtable flags=(Hashtable)flagorder.get(param_type.getClassDesc());
529 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
530 for(int j=0;j<dflag.size();j++) {
533 Vector term=dflag.get(j);
536 for(int k=0;k<term.size();k++) {
537 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
538 FlagDescriptor fd=dfa.getFlag();
539 boolean negated=dfa.getNegated();
540 int flagid=1<<((Integer)flags.get(fd)).intValue();
545 output.print("0x"+Integer.toHexString(andmask)+", 0x"+Integer.toHexString(checkmask));
547 output.println("};");
550 output.println("int parametertag_"+i+"_"+task.getSafeSymbol()+"[]={");
551 //BUG...added next line to fix, test with any task program
553 for(int j=0;j<param_tag.numTags();j++) {
556 /* for each tag we need */
557 /* which slot it is */
558 /* what type it is */
559 TagVarDescriptor tvd=(TagVarDescriptor)task.getParameterTable().get(param_tag.getName(j));
560 TempDescriptor tmp=param_tag.getTemp(j);
561 int slot=fm.getTagInt(tmp);
562 output.println(slot+", "+state.getTagId(tvd.getTag()));
564 output.println("};");
566 output.println("struct parameterdescriptor parameter_"+i+"_"+task.getSafeSymbol()+"={");
567 output.println("/* type */"+param_type.getClassDesc().getId()+",");
568 output.println("/* number of DNF terms */"+dnfterms+",");
569 output.println("parameterdnf_"+i+"_"+task.getSafeSymbol()+",");
570 output.println("0,");
571 //BUG, added next line to fix and else statement...test
572 //with any task program
574 output.println("/* number of tags */"+param_tag.numTags()+",");
576 output.println("/* number of tags */ 0,");
577 output.println("parametertag_"+i+"_"+task.getSafeSymbol());
578 output.println("};");
582 output.println("struct parameterdescriptor * parameterdescriptors_"+task.getSafeSymbol()+"[] = {");
583 for (int i=0;i<task.numParameters();i++) {
586 output.print("¶meter_"+i+"_"+task.getSafeSymbol());
588 output.println("};");
590 output.println("struct taskdescriptor task_"+task.getSafeSymbol()+"={");
591 output.println("&"+task.getSafeSymbol()+",");
592 output.println("/* number of parameters */" +task.numParameters() + ",");
593 int numtotal=task.numParameters()+fm.numTags();
594 output.println("/* number total parameters */" +numtotal + ",");
595 output.println("parameterdescriptors_"+task.getSafeSymbol()+",");
596 output.println("\""+task.getSymbol()+"\"");
597 output.println("};");
601 /** The buildVirtualTables method outputs the virtual dispatch
602 * tables for methods. */
604 private void buildVirtualTables(PrintWriter outvirtual) {
605 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
606 while(classit.hasNext()) {
607 ClassDescriptor cd=(ClassDescriptor)classit.next();
608 if (virtualcalls.getMethodCount(cd)>maxcount)
609 maxcount=virtualcalls.getMethodCount(cd);
611 MethodDescriptor[][] virtualtable=null;
612 LocalityBinding[][] lbvirtualtable=null;
614 lbvirtualtable=new LocalityBinding[state.numClasses()+state.numArrays()][maxcount];
616 virtualtable=new MethodDescriptor[state.numClasses()+state.numArrays()][maxcount];
618 /* Fill in virtual table */
619 classit=state.getClassSymbolTable().getDescriptorsIterator();
620 while(classit.hasNext()) {
621 ClassDescriptor cd=(ClassDescriptor)classit.next();
623 fillinRow(cd, lbvirtualtable, cd.getId());
625 fillinRow(cd, virtualtable, cd.getId());
628 ClassDescriptor objectcd=typeutil.getClass(TypeUtil.ObjectClass);
629 Iterator arrayit=state.getArrayIterator();
630 while(arrayit.hasNext()) {
631 TypeDescriptor td=(TypeDescriptor)arrayit.next();
632 int id=state.getArrayNumber(td);
634 fillinRow(objectcd, lbvirtualtable, id+state.numClasses());
636 fillinRow(objectcd, virtualtable, id+state.numClasses());
639 outvirtual.print("void * virtualtable[]={");
640 boolean needcomma=false;
641 for(int i=0;i<state.numClasses()+state.numArrays();i++) {
642 for(int j=0;j<maxcount;j++) {
644 outvirtual.print(", ");
645 if (state.DSM&&lbvirtualtable[i][j]!=null) {
646 LocalityBinding lb=lbvirtualtable[i][j];
647 MethodDescriptor md=lb.getMethod();
648 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
649 } else if (!state.DSM&&virtualtable[i][j]!=null) {
650 MethodDescriptor md=virtualtable[i][j];
651 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
653 outvirtual.print("0");
657 outvirtual.println("");
659 outvirtual.println("};");
663 private void fillinRow(ClassDescriptor cd, MethodDescriptor[][] virtualtable, int rownum) {
664 /* Get inherited methods */
665 if (cd.getSuperDesc()!=null)
666 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
667 /* Override them with our methods */
668 for(Iterator it=cd.getMethods();it.hasNext();) {
669 MethodDescriptor md=(MethodDescriptor)it.next();
670 if (md.isStatic()||md.getReturnType()==null)
672 int methodnum=virtualcalls.getMethodNumber(md);
673 virtualtable[rownum][methodnum]=md;
677 private void fillinRow(ClassDescriptor cd, LocalityBinding[][] virtualtable, int rownum) {
678 /* Get inherited methods */
679 if (cd.getSuperDesc()!=null)
680 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
681 /* Override them with our methods */
682 if (locality.getClassBindings(cd)!=null)
683 for(Iterator<LocalityBinding> lbit=locality.getClassBindings(cd).iterator();lbit.hasNext();) {
684 LocalityBinding lb=lbit.next();
685 MethodDescriptor md=lb.getMethod();
686 //Is the method static or a constructor
687 if (md.isStatic()||md.getReturnType()==null)
689 int methodnum=virtualcalls.getLocalityNumber(lb);
690 virtualtable[rownum][methodnum]=lb;
695 /** Generate array that contains the sizes of class objects. The
696 * object allocation functions in the runtime use this
699 private void generateSizeArray(PrintWriter outclassdefs) {
700 outclassdefs.print("int classsize[]={");
701 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
702 cdarray=new ClassDescriptor[state.numClasses()];
703 while(it.hasNext()) {
704 ClassDescriptor cd=(ClassDescriptor)it.next();
705 cdarray[cd.getId()]=cd;
707 boolean needcomma=false;
708 for(int i=0;i<state.numClasses();i++) {
710 outclassdefs.print(", ");
711 outclassdefs.print("sizeof(struct "+cdarray[i].getSafeSymbol()+")");
715 arraytable=new TypeDescriptor[state.numArrays()];
717 Iterator arrayit=state.getArrayIterator();
718 while(arrayit.hasNext()) {
719 TypeDescriptor td=(TypeDescriptor)arrayit.next();
720 int id=state.getArrayNumber(td);
724 for(int i=0;i<state.numArrays();i++) {
726 outclassdefs.print(", ");
727 TypeDescriptor tdelement=arraytable[i].dereference();
728 if (tdelement.isArray()||tdelement.isClass())
729 outclassdefs.print("sizeof(void *)");
731 outclassdefs.print("sizeof("+tdelement.getSafeSymbol()+")");
735 outclassdefs.println("};");
738 /** Constructs params and temp objects for each method or task.
739 * These objects tell the compiler which temps need to be
742 private void generateTempStructs(FlatMethod fm, LocalityBinding lb) {
743 MethodDescriptor md=fm.getMethod();
744 TaskDescriptor task=fm.getTask();
745 Set<TempDescriptor> saveset=lb!=null?locality.getTempSet(lb):null;
746 ParamsObject objectparams=md!=null?new ParamsObject(md,tag++):new ParamsObject(task, tag++);
749 paramstable.put(lb, objectparams);
751 paramstable.put(md, objectparams);
753 paramstable.put(task, objectparams);
755 for(int i=0;i<fm.numParameters();i++) {
756 TempDescriptor temp=fm.getParameter(i);
757 TypeDescriptor type=temp.getType();
758 if (type.isPtr()&&GENERATEPRECISEGC)
759 objectparams.addPtr(temp);
761 objectparams.addPrim(temp);
762 if(lb!=null&&saveset.contains(temp)) {
763 backuptable.put(temp, temp.createNew());
767 for(int i=0;i<fm.numTags();i++) {
768 TempDescriptor temp=fm.getTag(i);
769 if (GENERATEPRECISEGC)
770 objectparams.addPtr(temp);
772 objectparams.addPrim(temp);
775 TempObject objecttemps=md!=null?new TempObject(objectparams,md,tag++):new TempObject(objectparams, task, tag++);
777 tempstable.put(lb, objecttemps);
779 tempstable.put(md, objecttemps);
781 tempstable.put(task, objecttemps);
783 for(Iterator nodeit=fm.getNodeSet().iterator();nodeit.hasNext();) {
784 FlatNode fn=(FlatNode)nodeit.next();
785 TempDescriptor[] writes=fn.writesTemps();
786 for(int i=0;i<writes.length;i++) {
787 TempDescriptor temp=writes[i];
788 TypeDescriptor type=temp.getType();
789 if (type.isPtr()&&GENERATEPRECISEGC)
790 objecttemps.addPtr(temp);
792 objecttemps.addPrim(temp);
793 if(lb!=null&&saveset.contains(temp)&&
794 !backuptable.containsKey(temp))
795 backuptable.put(temp, temp.createNew());
799 /* Create backup temps */
801 for(Iterator<TempDescriptor> tmpit=backuptable.values().iterator();tmpit.hasNext();) {
802 TempDescriptor tmp=tmpit.next();
803 TypeDescriptor type=tmp.getType();
804 if (type.isPtr()&&GENERATEPRECISEGC)
805 objecttemps.addPtr(tmp);
807 objecttemps.addPrim(tmp);
809 /* Create temp to hold revert table */
810 if (lb.getHasAtomic()) {
811 TempDescriptor reverttmp=new TempDescriptor("revertlist", typeutil.getClass(TypeUtil.ObjectClass));
812 if (GENERATEPRECISEGC)
813 objecttemps.addPtr(reverttmp);
815 objecttemps.addPrim(reverttmp);
816 reverttable.put(lb, reverttmp);
821 /** This method outputs the following information about classes
823 * (1) For classes, what are the locations of pointers.
824 * (2) For arrays, does the array contain pointers or primitives.
825 * (3) For classes, does the class contain flags.
828 private void generateLayoutStructs(PrintWriter output) {
829 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
830 while(it.hasNext()) {
831 ClassDescriptor cn=(ClassDescriptor)it.next();
832 output.println("unsigned int "+cn.getSafeSymbol()+"_pointers[]={");
833 Iterator allit=cn.getFieldTable().getAllDescriptorsIterator();
835 while(allit.hasNext()) {
836 FieldDescriptor fd=(FieldDescriptor)allit.next();
837 TypeDescriptor type=fd.getType();
838 if (state.DSM&&fd.isGlobal()) //Don't GC the global objects for now
844 allit=cn.getFieldTable().getAllDescriptorsIterator();
845 while(allit.hasNext()) {
846 FieldDescriptor fd=(FieldDescriptor)allit.next();
847 TypeDescriptor type=fd.getType();
848 if (state.DSM&&fd.isGlobal()) //Don't GC the global objects for now
852 output.print("((unsigned int)&(((struct "+cn.getSafeSymbol() +" *)0)->"+fd.getSafeSymbol()+"))");
855 output.println("};");
857 output.println("unsigned int * pointerarray[]={");
858 boolean needcomma=false;
859 for(int i=0;i<state.numClasses();i++) {
860 ClassDescriptor cn=cdarray[i];
864 output.print(cn.getSafeSymbol()+"_pointers");
867 for(int i=0;i<state.numArrays();i++) {
869 output.println(", ");
870 TypeDescriptor tdelement=arraytable[i].dereference();
871 if (tdelement.isArray()||tdelement.isClass())
872 output.print("((unsigned int *)1)");
878 output.println("};");
880 output.println("int hasflags[]={");
881 for(int i=0;i<state.numClasses();i++) {
882 ClassDescriptor cn=cdarray[i];
884 output.println(", ");
891 output.println("};");
894 /** Print out table to give us supertypes */
895 private void generateSuperTypeTable(PrintWriter output) {
896 output.println("int supertypes[]={");
897 boolean needcomma=false;
898 for(int i=0;i<state.numClasses();i++) {
899 ClassDescriptor cn=cdarray[i];
903 if (cn.getSuperDesc()!=null) {
904 ClassDescriptor cdsuper=cn.getSuperDesc();
905 output.print(cdsuper.getId());
909 output.println("};");
912 /** Force consistent field ordering between inherited classes. */
914 private void printClassStruct(ClassDescriptor cn, PrintWriter classdefout) {
916 ClassDescriptor sp=cn.getSuperDesc();
918 printClassStruct(sp, classdefout);
920 if (!fieldorder.containsKey(cn)) {
921 Vector fields=new Vector();
922 fieldorder.put(cn,fields);
923 Iterator fieldit=cn.getFields();
924 while(fieldit.hasNext()) {
925 FieldDescriptor fd=(FieldDescriptor)fieldit.next();
926 if (sp==null||!sp.getFieldTable().contains(fd.getSymbol()))
930 Vector fields=(Vector)fieldorder.get(cn);
932 for(int i=0;i<fields.size();i++) {
933 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
934 if (fd.getType().isClass()||fd.getType().isArray())
935 classdefout.println(" struct "+fd.getType().getSafeSymbol()+" * "+fd.getSafeSymbol()+";");
937 classdefout.println(" "+fd.getType().getSafeSymbol()+" "+fd.getSafeSymbol()+";");
942 /* Map flags to integers consistently between inherited
945 private void mapFlags(ClassDescriptor cn) {
946 ClassDescriptor sp=cn.getSuperDesc();
950 if (!flagorder.containsKey(cn)) {
951 Hashtable flags=new Hashtable();
952 flagorder.put(cn,flags);
954 Hashtable superflags=(Hashtable)flagorder.get(sp);
955 Iterator superflagit=superflags.keySet().iterator();
956 while(superflagit.hasNext()) {
957 FlagDescriptor fd=(FlagDescriptor)superflagit.next();
958 Integer number=(Integer)superflags.get(fd);
959 flags.put(fd, number);
960 if ((number.intValue()+1)>max)
961 max=number.intValue()+1;
965 Iterator flagit=cn.getFlags();
966 while(flagit.hasNext()) {
967 FlagDescriptor fd=(FlagDescriptor)flagit.next();
968 if (sp==null||!sp.getFlagTable().contains(fd.getSymbol()))
969 flags.put(fd, new Integer(max++));
975 /** This function outputs (1) structures that parameters are
976 * passed in (when PRECISE GC is enabled) and (2) function
977 * prototypes for the methods */
979 private void generateCallStructs(ClassDescriptor cn, PrintWriter classdefout, PrintWriter output, PrintWriter headersout) {
980 /* Output class structure */
981 classdefout.println("struct "+cn.getSafeSymbol()+" {");
982 classdefout.println(" int type;");
984 classdefout.println(" pthread_t tid;");
985 classdefout.println(" void * lockentry;");
986 classdefout.println(" int lockcount;");
990 classdefout.println(" int flag;");
991 classdefout.println(" void * flagptr;");
993 classdefout.println(" int numfses;");
994 classdefout.println(" int * fses;");
997 printClassStruct(cn, classdefout);
998 classdefout.println("};\n");
1001 /* Cycle through LocalityBindings */
1002 HashSet<MethodDescriptor> nativemethods=new HashSet<MethodDescriptor>();
1003 Set<LocalityBinding> lbset=locality.getClassBindings(cn);
1005 for(Iterator<LocalityBinding> lbit=lbset.iterator();lbit.hasNext();) {
1006 LocalityBinding lb=lbit.next();
1007 MethodDescriptor md=lb.getMethod();
1008 if (md.getModifiers().isNative()) {
1009 //make sure we only print a native method once
1010 if (nativemethods.contains(md)) {
1011 FlatMethod fm=state.getMethodFlat(md);
1012 generateTempStructs(fm, lb);
1015 nativemethods.add(md);
1017 generateMethod(cn, md, lb, headersout, output);
1020 for(Iterator methodit=cn.getMethods();methodit.hasNext();) {
1021 MethodDescriptor md=(MethodDescriptor)methodit.next();
1022 if (md.getModifiers().isNative()&&!nativemethods.contains(md)) {
1023 //Need to build param structure for library code
1024 FlatMethod fm=state.getMethodFlat(md);
1025 generateTempStructs(fm, null);
1026 generateMethodParam(cn, md, null, output);
1031 for(Iterator methodit=cn.getMethods();methodit.hasNext();) {
1032 MethodDescriptor md=(MethodDescriptor)methodit.next();
1033 generateMethod(cn, md, null, headersout, output);
1037 private void generateMethodParam(ClassDescriptor cn, MethodDescriptor md, LocalityBinding lb, PrintWriter output) {
1038 /* Output parameter structure */
1039 if (GENERATEPRECISEGC) {
1040 ParamsObject objectparams=(ParamsObject) paramstable.get(lb!=null?lb:md);
1041 if (state.DSM&&lb!=null)
1042 output.println("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1044 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1045 output.println(" int size;");
1046 output.println(" void * next;");
1047 for(int i=0;i<objectparams.numPointers();i++) {
1048 TempDescriptor temp=objectparams.getPointer(i);
1049 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1051 output.println("};\n");
1056 private void generateMethod(ClassDescriptor cn, MethodDescriptor md, LocalityBinding lb, PrintWriter headersout, PrintWriter output) {
1057 FlatMethod fm=state.getMethodFlat(md);
1058 generateTempStructs(fm, lb);
1060 ParamsObject objectparams=(ParamsObject) paramstable.get(lb!=null?lb:md);
1061 TempObject objecttemps=(TempObject) tempstable.get(lb!=null?lb:md);
1063 generateMethodParam(cn, md, lb, output);
1065 /* Output temp structure */
1066 if (GENERATEPRECISEGC) {
1068 output.println("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1070 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1071 output.println(" int size;");
1072 output.println(" void * next;");
1073 for(int i=0;i<objecttemps.numPointers();i++) {
1074 TempDescriptor temp=objecttemps.getPointer(i);
1075 if (temp.getType().isNull())
1076 output.println(" void * "+temp.getSafeSymbol()+";");
1078 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1080 output.println("};\n");
1083 /********* Output method declaration ***********/
1085 /* First the return type */
1086 if (md.getReturnType()!=null) {
1087 if (md.getReturnType().isClass()||md.getReturnType().isArray())
1088 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1090 headersout.print(md.getReturnType().getSafeSymbol()+" ");
1092 //catch the constructor case
1093 headersout.print("void ");
1095 /* Next the method name */
1097 headersout.print(cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1099 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1101 boolean printcomma=false;
1102 if (GENERATEPRECISEGC) {
1104 headersout.print("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1106 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1110 if (state.DSM&&lb.isAtomic()) {
1112 headersout.print(", ");
1113 headersout.print("transrecord_t * trans");
1117 /* Output parameter list*/
1118 for(int i=0;i<objectparams.numPrimitives();i++) {
1119 TempDescriptor temp=objectparams.getPrimitive(i);
1121 headersout.print(", ");
1123 if (temp.getType().isClass()||temp.getType().isArray())
1124 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1126 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1128 headersout.println(");\n");
1132 /** This function outputs (1) structures that parameters are
1133 * passed in (when PRECISE GC is enabled) and (2) function
1134 * prototypes for the tasks */
1136 private void generateTaskStructs(PrintWriter output, PrintWriter headersout) {
1137 /* Cycle through tasks */
1138 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
1140 while(taskit.hasNext()) {
1141 /* Classify parameters */
1142 TaskDescriptor task=(TaskDescriptor)taskit.next();
1143 FlatMethod fm=state.getMethodFlat(task);
1144 generateTempStructs(fm, null);
1146 ParamsObject objectparams=(ParamsObject) paramstable.get(task);
1147 TempObject objecttemps=(TempObject) tempstable.get(task);
1149 /* Output parameter structure */
1150 if (GENERATEPRECISEGC) {
1151 output.println("struct "+task.getSafeSymbol()+"_params {");
1153 output.println(" int size;");
1154 output.println(" void * next;");
1155 for(int i=0;i<objectparams.numPointers();i++) {
1156 TempDescriptor temp=objectparams.getPointer(i);
1157 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1160 output.println("};\n");
1161 if ((objectparams.numPointers()+fm.numTags())>maxtaskparams) {
1162 maxtaskparams=objectparams.numPointers()+fm.numTags();
1166 /* Output temp structure */
1167 if (GENERATEPRECISEGC) {
1168 output.println("struct "+task.getSafeSymbol()+"_locals {");
1169 output.println(" int size;");
1170 output.println(" void * next;");
1171 for(int i=0;i<objecttemps.numPointers();i++) {
1172 TempDescriptor temp=objecttemps.getPointer(i);
1173 if (temp.getType().isNull())
1174 output.println(" void * "+temp.getSafeSymbol()+";");
1175 else if(temp.getType().isTag())
1176 output.println(" struct "+
1177 (new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1179 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1181 output.println("};\n");
1184 /* Output task declaration */
1185 headersout.print("void " + task.getSafeSymbol()+"(");
1187 boolean printcomma=false;
1188 if (GENERATEPRECISEGC) {
1189 headersout.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
1191 headersout.print("void * parameterarray[]");
1192 headersout.println(");\n");
1196 /***** Generate code for FlatMethod fm. *****/
1198 private void generateFlatMethod(FlatMethod fm, LocalityBinding lb, PrintWriter output) {
1199 MethodDescriptor md=fm.getMethod();
1201 TaskDescriptor task=fm.getTask();
1203 ClassDescriptor cn=md!=null?md.getClassDesc():null;
1205 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null?lb:md!=null?md:task);
1206 generateHeader(fm, lb, md!=null?md:task,output);
1207 TempObject objecttemp=(TempObject) tempstable.get(lb!=null?lb:md!=null?md:task);
1208 if (state.DSM&&lb.getHasAtomic()) {
1209 output.println("transrecord_t * trans;");
1212 if (GENERATEPRECISEGC) {
1213 if (md!=null&&state.DSM)
1214 output.print(" struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1215 else if (md!=null&&!state.DSM)
1216 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1218 output.print(" struct "+task.getSafeSymbol()+"_locals "+localsprefix+"={");
1220 output.print(objecttemp.numPointers()+",");
1221 output.print(paramsprefix);
1222 for(int j=0;j<objecttemp.numPointers();j++)
1223 output.print(", NULL");
1224 output.println("};");
1227 for(int i=0;i<objecttemp.numPrimitives();i++) {
1228 TempDescriptor td=objecttemp.getPrimitive(i);
1229 TypeDescriptor type=td.getType();
1231 output.println(" void * "+td.getSafeSymbol()+";");
1232 else if (type.isClass()||type.isArray())
1233 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
1235 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
1238 /* Assign labels to FlatNode's if necessary.*/
1240 Hashtable<FlatNode, Integer> nodetolabel=assignLabels(fm);
1242 /* Check to see if we need to do a GC if this is a
1243 * multi-threaded program...*/
1245 if (state.THREAD&&GENERATEPRECISEGC) {
1246 output.println("checkcollect(&"+localsprefix+");");
1249 /* Do the actual code generation */
1250 FlatNode current_node=null;
1251 HashSet tovisit=new HashSet();
1252 HashSet visited=new HashSet();
1253 tovisit.add(fm.getNext(0));
1254 while(current_node!=null||!tovisit.isEmpty()) {
1255 if (current_node==null) {
1256 current_node=(FlatNode)tovisit.iterator().next();
1257 tovisit.remove(current_node);
1259 visited.add(current_node);
1260 if (nodetolabel.containsKey(current_node))
1261 output.println("L"+nodetolabel.get(current_node)+":");
1262 if (state.INSTRUCTIONFAILURE) {
1264 output.println("if ((++instructioncount)>failurecount) {instructioncount=0;injectinstructionfailure();}");
1267 output.println("if ((--instructioncount)==0) injectinstructionfailure();");
1269 if (current_node.numNext()==0) {
1271 generateFlatNode(fm, lb, current_node, output);
1272 if (current_node.kind()!=FKind.FlatReturnNode) {
1273 output.println(" return;");
1276 } else if(current_node.numNext()==1) {
1278 generateFlatNode(fm, lb, current_node, output);
1279 FlatNode nextnode=current_node.getNext(0);
1280 if (visited.contains(nextnode)) {
1281 output.println("goto L"+nodetolabel.get(nextnode)+";");
1284 current_node=nextnode;
1285 } else if (current_node.numNext()==2) {
1288 generateFlatCondBranch(fm, lb, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
1289 if (!visited.contains(current_node.getNext(1)))
1290 tovisit.add(current_node.getNext(1));
1291 if (visited.contains(current_node.getNext(0))) {
1292 output.println("goto L"+nodetolabel.get(current_node.getNext(0))+";");
1295 current_node=current_node.getNext(0);
1296 } else throw new Error();
1299 output.println("}\n\n");
1302 /** This method assigns labels to FlatNodes */
1304 private Hashtable<FlatNode, Integer> assignLabels(FlatMethod fm) {
1305 HashSet tovisit=new HashSet();
1306 HashSet visited=new HashSet();
1308 Hashtable<FlatNode, Integer> nodetolabel=new Hashtable<FlatNode, Integer>();
1309 tovisit.add(fm.getNext(0));
1311 /*Assign labels first. A node needs a label if the previous
1312 * node has two exits or this node is a join point. */
1314 while(!tovisit.isEmpty()) {
1315 FlatNode fn=(FlatNode)tovisit.iterator().next();
1318 for(int i=0;i<fn.numNext();i++) {
1319 FlatNode nn=fn.getNext(i);
1321 //1) Edge >1 of node
1322 nodetolabel.put(nn,new Integer(labelindex++));
1324 if (!visited.contains(nn)&&!tovisit.contains(nn)) {
1328 nodetolabel.put(nn,new Integer(labelindex++));
1336 /** Generate text string that corresponds to the TempDescriptor td. */
1337 private String generateTemp(FlatMethod fm, TempDescriptor td, LocalityBinding lb) {
1338 MethodDescriptor md=fm.getMethod();
1339 TaskDescriptor task=fm.getTask();
1340 TempObject objecttemps=(TempObject) tempstable.get(lb!=null?lb:md!=null?md:task);
1342 if (objecttemps.isLocalPrim(td)||objecttemps.isParamPrim(td)) {
1343 return td.getSafeSymbol();
1346 if (objecttemps.isLocalPtr(td)) {
1347 return localsprefix+"."+td.getSafeSymbol();
1350 if (objecttemps.isParamPtr(td)) {
1351 return paramsprefix+"->"+td.getSafeSymbol();
1356 private void generateFlatNode(FlatMethod fm, LocalityBinding lb, FlatNode fn, PrintWriter output) {
1358 case FKind.FlatAtomicEnterNode:
1359 generateFlatAtomicEnterNode(fm, lb, (FlatAtomicEnterNode) fn, output);
1361 case FKind.FlatAtomicExitNode:
1362 generateFlatAtomicExitNode(fm, lb, (FlatAtomicExitNode) fn, output);
1364 case FKind.FlatGlobalConvNode:
1365 generateFlatGlobalConvNode(fm, lb, (FlatGlobalConvNode) fn, output);
1367 case FKind.FlatTagDeclaration:
1368 generateFlatTagDeclaration(fm, lb, (FlatTagDeclaration) fn,output);
1370 case FKind.FlatCall:
1371 generateFlatCall(fm, lb, (FlatCall) fn,output);
1373 case FKind.FlatFieldNode:
1374 generateFlatFieldNode(fm, lb, (FlatFieldNode) fn,output);
1376 case FKind.FlatElementNode:
1377 generateFlatElementNode(fm, lb, (FlatElementNode) fn,output);
1379 case FKind.FlatSetElementNode:
1380 generateFlatSetElementNode(fm, lb, (FlatSetElementNode) fn,output);
1382 case FKind.FlatSetFieldNode:
1383 generateFlatSetFieldNode(fm, lb, (FlatSetFieldNode) fn,output);
1386 generateFlatNew(fm, lb, (FlatNew) fn,output);
1388 case FKind.FlatOpNode:
1389 generateFlatOpNode(fm, lb, (FlatOpNode) fn,output);
1391 case FKind.FlatCastNode:
1392 generateFlatCastNode(fm, lb, (FlatCastNode) fn,output);
1394 case FKind.FlatLiteralNode:
1395 generateFlatLiteralNode(fm, lb, (FlatLiteralNode) fn,output);
1397 case FKind.FlatReturnNode:
1398 generateFlatReturnNode(fm, lb, (FlatReturnNode) fn,output);
1401 output.println("/* nop */");
1403 case FKind.FlatBackEdge:
1404 if ((state.THREAD||state.DSM)&&GENERATEPRECISEGC) {
1405 output.println("checkcollect(&"+localsprefix+");");
1407 output.println("/* nop */");
1409 case FKind.FlatCheckNode:
1410 generateFlatCheckNode(fm, lb, (FlatCheckNode) fn, output);
1412 case FKind.FlatFlagActionNode:
1413 generateFlatFlagActionNode(fm, lb, (FlatFlagActionNode) fn, output);
1420 public void generateFlatGlobalConvNode(FlatMethod fm, LocalityBinding lb, FlatGlobalConvNode fgcn, PrintWriter output) {
1421 if (lb!=fgcn.getLocality())
1423 /* Have to generate flat globalconv */
1424 if (fgcn.getMakePtr()) {
1425 output.println(generateTemp(fm, fgcn.getSrc(),lb)+"=(void *)transRead(trans, (unsigned int) "+generateTemp(fm, fgcn.getSrc(),lb)+");");
1427 /* Need to convert to OID */
1428 output.println(generateTemp(fm, fgcn.getSrc(),lb)+"=(void *)COMPOID("+generateTemp(fm, fgcn.getSrc(),lb)+");");
1432 public void generateFlatAtomicEnterNode(FlatMethod fm, LocalityBinding lb, FlatAtomicEnterNode faen, PrintWriter output) {
1433 /* Check to see if we need to generate code for this atomic */
1434 if (locality.getAtomic(lb).get(faen.getPrev(0)).intValue()>0)
1436 /* Backup the temps. */
1437 for(Iterator<TempDescriptor> tmpit=locality.getTemps(lb).get(faen).iterator();tmpit.hasNext();) {
1438 TempDescriptor tmp=tmpit.next();
1439 output.println(generateTemp(fm, backuptable.get(tmp),lb)+"="+generateTemp(fm,tmp,lb)+";");
1441 output.println("goto transstart"+faen.getIdentifier()+";");
1443 /******* Print code to retry aborted transaction *******/
1444 output.println("transretry"+faen.getIdentifier()+":");
1447 for(Iterator<TempDescriptor> tmpit=locality.getTemps(lb).get(faen).iterator();tmpit.hasNext();) {
1448 TempDescriptor tmp=tmpit.next();
1449 output.println(generateTemp(fm, tmp,lb)+"="+generateTemp(fm,backuptable.get(tmp),lb)+";");
1452 /********* Need to revert local object store ********/
1453 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
1455 output.println("while ("+revertptr+") {");
1456 output.println("struct ___Object___ * tmpptr;");
1457 output.println("tmpptr="+revertptr+"->"+nextobjstr+";");
1458 output.println("REVERT_OBJ("+revertptr+");");
1459 output.println(revertptr+"=tmpptr;");
1460 output.println("}");
1462 /******* Tell the runtime to start the transaction *******/
1464 output.println("transstart"+faen.getIdentifier()+":");
1465 output.println("trans=transStart();");
1468 public void generateFlatAtomicExitNode(FlatMethod fm, LocalityBinding lb, FlatAtomicExitNode faen, PrintWriter output) {
1469 /* Check to see if we need to generate code for this atomic */
1470 if (locality.getAtomic(lb).get(faen).intValue()>0)
1472 //store the revert list before we lose the transaction object
1473 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
1474 output.println(revertptr+"=trans->revertlist;");
1475 output.println("if (transCommit(trans)) {");
1476 /* Transaction aborts if it returns true */
1477 output.println("goto transretry"+faen.getAtomicEnter().getIdentifier()+";");
1478 output.println("} else {");
1479 /* Need to commit local object store */
1480 output.println("while ("+revertptr+") {");
1481 output.println("struct ___Object___ * tmpptr;");
1482 output.println("tmpptr="+revertptr+"->"+nextobjstr+";");
1483 output.println("COMMIT_OBJ("+revertptr+");");
1484 output.println(revertptr+"=tmpptr;");
1485 output.println("}");
1486 output.println("}");
1489 private void generateFlatCheckNode(FlatMethod fm, LocalityBinding lb, FlatCheckNode fcn, PrintWriter output) {
1490 if (state.CONSCHECK) {
1491 String specname=fcn.getSpec();
1492 String varname="repairstate___";
1493 output.println("{");
1494 output.println("struct "+specname+"_state * "+varname+"=allocate"+specname+"_state();");
1496 TempDescriptor[] temps=fcn.getTemps();
1497 String[] vars=fcn.getVars();
1498 for(int i=0;i<temps.length;i++) {
1499 output.println(varname+"->"+vars[i]+"=(unsigned int)"+generateTemp(fm, temps[i],lb)+";");
1502 output.println("if (doanalysis"+specname+"("+varname+")) {");
1503 output.println("free"+specname+"_state("+varname+");");
1504 output.println("} else {");
1505 output.println("/* Bad invariant */");
1506 output.println("free"+specname+"_state("+varname+");");
1507 output.println("abort_task();");
1508 output.println("}");
1509 output.println("}");
1513 private void generateFlatCall(FlatMethod fm, LocalityBinding lb, FlatCall fc, PrintWriter output) {
1514 MethodDescriptor md=fc.getMethod();
1515 ParamsObject objectparams=(ParamsObject)paramstable.get(state.DSM?locality.getBinding(lb, fc):md);
1516 ClassDescriptor cn=md.getClassDesc();
1517 output.println("{");
1518 if (GENERATEPRECISEGC) {
1520 LocalityBinding fclb=locality.getBinding(lb, fc);
1521 output.print(" struct "+cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
1523 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
1525 output.print(objectparams.numPointers());
1526 output.print(", & "+localsprefix);
1527 if (fc.getThis()!=null) {
1529 output.print("(struct "+md.getThis().getType().getSafeSymbol() +" *)"+ generateTemp(fm,fc.getThis(),lb));
1531 for(int i=0;i<fc.numArgs();i++) {
1532 Descriptor var=md.getParameter(i);
1533 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
1534 if (objectparams.isParamPtr(paramtemp)) {
1535 TempDescriptor targ=fc.getArg(i);
1537 TypeDescriptor td=md.getParamType(i);
1539 output.print("(struct "+(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol() +" *)"+generateTemp(fm, targ,lb));
1541 output.print("(struct "+md.getParamType(i).getSafeSymbol() +" *)"+generateTemp(fm, targ,lb));
1544 output.println("};");
1549 if (fc.getReturnTemp()!=null)
1550 output.print(generateTemp(fm,fc.getReturnTemp(),lb)+"=");
1552 /* Do we need to do virtual dispatch? */
1553 if (md.isStatic()||md.getReturnType()==null||singleCall(fc.getThis().getType().getClassDesc(),md)) {
1556 LocalityBinding fclb=locality.getBinding(lb, fc);
1557 output.print(cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
1559 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
1564 if (md.getReturnType().isClass()||md.getReturnType().isArray())
1565 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1567 output.print(md.getReturnType().getSafeSymbol()+" ");
1568 output.print("(*)(");
1570 boolean printcomma=false;
1571 if (GENERATEPRECISEGC) {
1573 LocalityBinding fclb=locality.getBinding(lb, fc);
1574 output.print("struct "+cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
1576 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
1580 for(int i=0;i<objectparams.numPrimitives();i++) {
1581 TempDescriptor temp=objectparams.getPrimitive(i);
1585 if (temp.getType().isClass()||temp.getType().isArray())
1586 output.print("struct " + temp.getType().getSafeSymbol()+" * ");
1588 output.print(temp.getType().getSafeSymbol());
1592 LocalityBinding fclb=locality.getBinding(lb, fc);
1593 output.print("))virtualtable["+generateTemp(fm,fc.getThis(),lb)+"->type*"+maxcount+"+"+virtualcalls.getLocalityNumber(fclb)+"])");
1595 output.print("))virtualtable["+generateTemp(fm,fc.getThis(),lb)+"->type*"+maxcount+"+"+virtualcalls.getMethodNumber(md)+"])");
1599 boolean needcomma=false;
1600 if (GENERATEPRECISEGC) {
1601 output.print("&__parameterlist__");
1605 if (state.DSM&&locality.getBinding(lb,fc).isAtomic()) {
1608 output.print("trans");
1612 if (!GENERATEPRECISEGC) {
1613 if (fc.getThis()!=null) {
1614 TypeDescriptor ptd=md.getThis().getType();
1617 if (ptd.isClass()&&!ptd.isArray())
1618 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
1619 output.print(generateTemp(fm,fc.getThis(),lb));
1624 for(int i=0;i<fc.numArgs();i++) {
1625 Descriptor var=md.getParameter(i);
1626 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
1627 if (objectparams.isParamPrim(paramtemp)) {
1628 TempDescriptor targ=fc.getArg(i);
1632 TypeDescriptor ptd=md.getParamType(i);
1633 if (ptd.isClass()&&!ptd.isArray())
1634 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
1635 output.print(generateTemp(fm, targ,lb));
1639 output.println(");");
1640 output.println(" }");
1643 private boolean singleCall(ClassDescriptor thiscd, MethodDescriptor md) {
1644 Set subclasses=typeutil.getSubClasses(thiscd);
1645 if (subclasses==null)
1647 for(Iterator classit=subclasses.iterator();classit.hasNext();) {
1648 ClassDescriptor cd=(ClassDescriptor)classit.next();
1649 Set possiblematches=cd.getMethodTable().getSet(md.getSymbol());
1650 for(Iterator matchit=possiblematches.iterator();matchit.hasNext();) {
1651 MethodDescriptor matchmd=(MethodDescriptor)matchit.next();
1652 if (md.matches(matchmd))
1659 private void generateFlatFieldNode(FlatMethod fm, LocalityBinding lb, FlatFieldNode ffn, PrintWriter output) {
1661 Integer status=locality.getNodePreTempInfo(lb,ffn).get(ffn.getSrc());
1662 if (status==LocalityAnalysis.GLOBAL) {
1663 String field=ffn.getField().getSafeSymbol();
1664 String src=generateTemp(fm, ffn.getSrc(),lb);
1665 String dst=generateTemp(fm, ffn.getDst(),lb);
1667 if (ffn.getField().getType().isPtr()) {
1669 //TODO: Uncomment this when we have runtime support
1670 //if (ffn.getSrc()==ffn.getDst()) {
1671 //output.println("{");
1672 //output.println("void * temp="+src+";");
1673 //output.println("if (temp&0x1) {");
1674 //output.println("temp=(void *) transRead(trans, (unsigned int) temp);");
1675 //output.println(src+"->"+field+"="+temp+";");
1676 //output.println("}");
1677 //output.println(dst+"=temp;");
1678 //output.println("}");
1680 output.println(dst+"="+ src +"->"+field+ ";");
1681 //output.println("if ("+dst+"&0x1) {");
1682 output.println(dst+"=(void *) transRead(trans, (unsigned int) "+dst+");");
1683 //output.println(src+"->"+field+"="+src+"->"+field+";");
1684 //output.println("}");
1687 output.println(dst+"="+ src+"->"+field+";");
1689 } else if (status==LocalityAnalysis.LOCAL) {
1690 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
1691 } else if (status==LocalityAnalysis.EITHER) {
1692 //Code is reading from a null pointer
1693 output.println("if ("+generateTemp(fm, ffn.getSrc(),lb)+") {");
1694 output.println("printf(\"BIG ERROR\n\");exit(-1);}");
1695 //This should throw a suitable null pointer error
1696 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
1698 throw new Error("Read from non-global/non-local in:"+lb.getExplanation());
1700 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
1703 private void generateFlatSetFieldNode(FlatMethod fm, LocalityBinding lb, FlatSetFieldNode fsfn, PrintWriter output) {
1704 if (fsfn.getField().getSymbol().equals("length")&&fsfn.getDst().getType().isArray())
1705 throw new Error("Can't set array length");
1706 if (state.DSM && locality.getAtomic(lb).get(fsfn).intValue()>0) {
1707 Integer statussrc=locality.getNodePreTempInfo(lb,fsfn).get(fsfn.getSrc());
1708 Integer statusdst=locality.getNodeTempInfo(lb).get(fsfn).get(fsfn.getDst());
1709 boolean srcglobal=statussrc==LocalityAnalysis.GLOBAL;
1711 String src=generateTemp(fm,fsfn.getSrc(),lb);
1712 String dst=generateTemp(fm,fsfn.getDst(),lb);
1714 output.println("{");
1715 output.println("int srcoid="+src+"->"+oidstr+";");
1717 if (statusdst.equals(LocalityAnalysis.GLOBAL)) {
1720 output.println("*((unsigned int *)&("+dst+"->___localcopy___))|=DIRTY;");
1722 output.println("*((unsigned int *)&("+glbdst+"->"+ fsfn.getField().getSafeSymbol()+"))=srcoid;");
1723 output.println("}");
1725 output.println(glbdst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
1726 } else if (statusdst.equals(LocalityAnalysis.LOCAL)) {
1727 /** Check if we need to copy */
1728 output.println("if(!"+dst+"->"+localcopystr+") {");
1729 /* Link object into list */
1730 output.println(dst+"->"+nextobjstr+"=trans->localtrans;");
1731 output.println("trans->localtrans="+dst+";");
1732 if (GENERATEPRECISEGC)
1733 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
1735 output.println("COPY_OBJ("+dst+");");
1736 output.println("}");
1738 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"=srcoid;");
1740 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
1741 } else if (statusdst.equals(LocalityAnalysis.EITHER)) {
1742 //writing to a null...bad
1743 output.println("if ("+dst+") {");
1744 output.println("printf(\"BIG ERROR 2\n\");exit(-1);}");
1746 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"=srcoid;");
1748 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
1751 output.println("}");
1754 output.println(generateTemp(fm, fsfn.getDst(),lb)+"->"+ fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc(),lb)+";");
1758 private void generateFlatElementNode(FlatMethod fm, LocalityBinding lb, FlatElementNode fen, PrintWriter output) {
1759 TypeDescriptor elementtype=fen.getSrc().getType().dereference();
1762 if (elementtype.isArray()||elementtype.isClass())
1765 type=elementtype.getSafeSymbol()+" ";
1767 if (fen.needsBoundsCheck()) {
1768 output.println("if ("+generateTemp(fm, fen.getIndex(),lb)+"< 0 || "+generateTemp(fm, fen.getIndex(),lb)+" >= "+generateTemp(fm,fen.getSrc(),lb) + "->___length___)");
1769 output.println("failedboundschk();");
1772 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
1775 private void generateFlatSetElementNode(FlatMethod fm, LocalityBinding lb, FlatSetElementNode fsen, PrintWriter output) {
1776 //TODO: need dynamic check to make sure this assignment is actually legal
1777 //Because Object[] could actually be something more specific...ie. Integer[]
1779 TypeDescriptor elementtype=fsen.getDst().getType().dereference();
1782 if (elementtype.isArray()||elementtype.isClass())
1785 type=elementtype.getSafeSymbol()+" ";
1787 if (fsen.needsBoundsCheck()) {
1788 output.println("if ("+generateTemp(fm, fsen.getIndex(),lb)+"< 0 || "+generateTemp(fm, fsen.getIndex(),lb)+" >= "+generateTemp(fm,fsen.getDst(),lb) + "->___length___)");
1789 output.println("failedboundschk();");
1792 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
1795 private void generateFlatNew(FlatMethod fm, LocalityBinding lb, FlatNew fn, PrintWriter output) {
1796 if (fn.getType().isArray()) {
1797 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
1798 if (fn.isGlobal()) {
1799 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarrayglobal(trans, "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
1800 } else if (GENERATEPRECISEGC) {
1801 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray(&"+localsprefix+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
1803 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray("+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
1806 if (fn.isGlobal()) {
1807 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newglobal(trans, "+fn.getType().getClassDesc().getId()+");");
1808 } else if (GENERATEPRECISEGC) {
1809 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new(&"+localsprefix+", "+fn.getType().getClassDesc().getId()+");");
1811 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new("+fn.getType().getClassDesc().getId()+");");
1816 private void generateFlatTagDeclaration(FlatMethod fm, LocalityBinding lb, FlatTagDeclaration fn, PrintWriter output) {
1817 if (GENERATEPRECISEGC) {
1818 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_tag(&"+localsprefix+", "+state.getTagId(fn.getType())+");");
1820 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_tag("+state.getTagId(fn.getType())+");");
1824 private void generateFlatOpNode(FlatMethod fm, LocalityBinding lb, FlatOpNode fon, PrintWriter output) {
1825 if (fon.getRight()!=null)
1826 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+fon.getOp().toString()+generateTemp(fm,fon.getRight(),lb)+";");
1827 else if (fon.getOp().getOp()==Operation.ASSIGN)
1828 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+";");
1829 else if (fon.getOp().getOp()==Operation.UNARYPLUS)
1830 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+";");
1831 else if (fon.getOp().getOp()==Operation.UNARYMINUS)
1832 output.println(generateTemp(fm, fon.getDest(),lb)+" = -"+generateTemp(fm, fon.getLeft(),lb)+";");
1833 else if (fon.getOp().getOp()==Operation.LOGIC_NOT)
1834 output.println(generateTemp(fm, fon.getDest(),lb)+" = !"+generateTemp(fm, fon.getLeft(),lb)+";");
1835 else if (fon.getOp().getOp()==Operation.ISAVAILABLE) {
1836 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+"->fses==NULL;");
1838 output.println(generateTemp(fm, fon.getDest(),lb)+fon.getOp().toString()+generateTemp(fm, fon.getLeft(),lb)+";");
1841 private void generateFlatCastNode(FlatMethod fm, LocalityBinding lb, FlatCastNode fcn, PrintWriter output) {
1842 /* TODO: Do type check here */
1843 if (fcn.getType().isArray()) {
1845 } else if (fcn.getType().isClass())
1846 output.println(generateTemp(fm,fcn.getDst(),lb)+"=(struct "+fcn.getType().getSafeSymbol()+" *)"+generateTemp(fm,fcn.getSrc(),lb)+";");
1848 output.println(generateTemp(fm,fcn.getDst(),lb)+"=("+fcn.getType().getSafeSymbol()+")"+generateTemp(fm,fcn.getSrc(),lb)+";");
1851 private void generateFlatLiteralNode(FlatMethod fm, LocalityBinding lb, FlatLiteralNode fln, PrintWriter output) {
1852 if (fln.getValue()==null)
1853 output.println(generateTemp(fm, fln.getDst(),lb)+"=0;");
1854 else if (fln.getType().getSymbol().equals(TypeUtil.StringClass)) {
1855 if (GENERATEPRECISEGC) {
1856 output.println(generateTemp(fm, fln.getDst(),lb)+"=NewString(&"+localsprefix+", \""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
1858 output.println(generateTemp(fm, fln.getDst(),lb)+"=NewString(\""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
1860 } else if (fln.getType().isBoolean()) {
1861 if (((Boolean)fln.getValue()).booleanValue())
1862 output.println(generateTemp(fm, fln.getDst(),lb)+"=1;");
1864 output.println(generateTemp(fm, fln.getDst(),lb)+"=0;");
1865 } else if (fln.getType().isChar()) {
1866 String st=FlatLiteralNode.escapeString(fln.getValue().toString());
1867 output.println(generateTemp(fm, fln.getDst(),lb)+"='"+st+"';");
1869 output.println(generateTemp(fm, fln.getDst(),lb)+"="+fln.getValue()+";");
1872 private void generateFlatReturnNode(FlatMethod fm, LocalityBinding lb, FlatReturnNode frn, PrintWriter output) {
1873 if (frn.getReturnTemp()!=null) {
1874 if (frn.getReturnTemp().getType().isPtr())
1875 output.println("return (struct "+fm.getMethod().getReturnType().getSafeSymbol()+"*)"+generateTemp(fm, frn.getReturnTemp(), lb)+";");
1877 output.println("return "+generateTemp(fm, frn.getReturnTemp(), lb)+";");
1879 output.println("return;");
1882 private void generateFlatCondBranch(FlatMethod fm, LocalityBinding lb, FlatCondBranch fcb, String label, PrintWriter output) {
1883 output.println("if (!"+generateTemp(fm, fcb.getTest(),lb)+") goto "+label+";");
1886 /** This method generates header information for the method or
1887 * task referenced by the Descriptor des. */
1889 private void generateHeader(FlatMethod fm, LocalityBinding lb, Descriptor des, PrintWriter output) {
1891 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null?lb:des);
1892 MethodDescriptor md=null;
1893 TaskDescriptor task=null;
1894 if (des instanceof MethodDescriptor)
1895 md=(MethodDescriptor) des;
1897 task=(TaskDescriptor) des;
1899 ClassDescriptor cn=md!=null?md.getClassDesc():null;
1901 if (md!=null&&md.getReturnType()!=null) {
1902 if (md.getReturnType().isClass()||md.getReturnType().isArray())
1903 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1905 output.print(md.getReturnType().getSafeSymbol()+" ");
1907 //catch the constructor case
1908 output.print("void ");
1911 output.print(cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1913 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1915 output.print(task.getSafeSymbol()+"(");
1917 boolean printcomma=false;
1918 if (GENERATEPRECISEGC) {
1921 output.print("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1923 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1925 output.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
1929 if (state.DSM&&lb.isAtomic()) {
1932 output.print("transrecord_t * trans");
1938 for(int i=0;i<objectparams.numPrimitives();i++) {
1939 TempDescriptor temp=objectparams.getPrimitive(i);
1943 if (temp.getType().isClass()||temp.getType().isArray())
1944 output.print("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1946 output.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1948 output.println(") {");
1949 } else if (!GENERATEPRECISEGC) {
1950 /* Imprecise Task */
1951 output.println("void * parameterarray[]) {");
1952 /* Unpack variables */
1953 for(int i=0;i<objectparams.numPrimitives();i++) {
1954 TempDescriptor temp=objectparams.getPrimitive(i);
1955 output.println("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+"=parameterarray["+i+"];");
1957 for(int i=0;i<fm.numTags();i++) {
1958 TempDescriptor temp=fm.getTag(i);
1959 int offset=i+objectparams.numPrimitives();
1960 output.println("struct ___TagDescriptor___ * "+temp.getSafeSymbol()+"=parameterarray["+offset+"];");
1963 if ((objectparams.numPrimitives()+fm.numTags())>maxtaskparams)
1964 maxtaskparams=objectparams.numPrimitives()+fm.numTags();
1965 } else output.println(") {");
1968 public void generateFlatFlagActionNode(FlatMethod fm, LocalityBinding lb, FlatFlagActionNode ffan, PrintWriter output) {
1969 output.println("/* FlatFlagActionNode */");
1972 /* Process tag changes */
1973 Relation tagsettable=new Relation();
1974 Relation tagcleartable=new Relation();
1976 Iterator tagsit=ffan.getTempTagPairs();
1977 while (tagsit.hasNext()) {
1978 TempTagPair ttp=(TempTagPair) tagsit.next();
1979 TempDescriptor objtmp=ttp.getTemp();
1980 TagDescriptor tag=ttp.getTag();
1981 TempDescriptor tagtmp=ttp.getTagTemp();
1982 boolean tagstatus=ffan.getTagChange(ttp);
1984 tagsettable.put(objtmp, tagtmp);
1986 tagcleartable.put(objtmp, tagtmp);
1991 Hashtable flagandtable=new Hashtable();
1992 Hashtable flagortable=new Hashtable();
1994 /* Process flag changes */
1995 Iterator flagsit=ffan.getTempFlagPairs();
1996 while(flagsit.hasNext()) {
1997 TempFlagPair tfp=(TempFlagPair)flagsit.next();
1998 TempDescriptor temp=tfp.getTemp();
1999 Hashtable flagtable=(Hashtable)flagorder.get(temp.getType().getClassDesc());
2000 FlagDescriptor flag=tfp.getFlag();
2002 //Newly allocate objects that don't set any flags case
2003 if (flagortable.containsKey(temp)) {
2007 flagortable.put(temp,new Integer(mask));
2009 int flagid=1<<((Integer)flagtable.get(flag)).intValue();
2010 boolean flagstatus=ffan.getFlagChange(tfp);
2013 if (flagortable.containsKey(temp)) {
2014 mask=((Integer)flagortable.get(temp)).intValue();
2017 flagortable.put(temp,new Integer(mask));
2019 int mask=0xFFFFFFFF;
2020 if (flagandtable.containsKey(temp)) {
2021 mask=((Integer)flagandtable.get(temp)).intValue();
2023 mask&=(0xFFFFFFFF^flagid);
2024 flagandtable.put(temp,new Integer(mask));
2030 HashSet flagtagset=new HashSet();
2031 flagtagset.addAll(flagortable.keySet());
2032 flagtagset.addAll(flagandtable.keySet());
2033 flagtagset.addAll(tagsettable.keySet());
2034 flagtagset.addAll(tagcleartable.keySet());
2036 Iterator ftit=flagtagset.iterator();
2037 while(ftit.hasNext()) {
2038 TempDescriptor temp=(TempDescriptor)ftit.next();
2041 Set tagtmps=tagcleartable.get(temp);
2042 if (tagtmps!=null) {
2043 Iterator tagit=tagtmps.iterator();
2044 while(tagit.hasNext()) {
2045 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
2046 if (GENERATEPRECISEGC)
2047 output.println("tagclear(&"+localsprefix+", (struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2049 output.println("tagclear((struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2053 tagtmps=tagsettable.get(temp);
2054 if (tagtmps!=null) {
2055 Iterator tagit=tagtmps.iterator();
2056 while(tagit.hasNext()) {
2057 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
2058 if (GENERATEPRECISEGC)
2059 output.println("tagset(&"+localsprefix+", (struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2061 output.println("tagset((struct ___Object___ *)"+generateTemp(fm, temp, lb)+", "+generateTemp(fm,tagtmp, lb)+");");
2066 int andmask=0xFFFFFFF;
2068 if (flagortable.containsKey(temp))
2069 ormask=((Integer)flagortable.get(temp)).intValue();
2070 if (flagandtable.containsKey(temp))
2071 andmask=((Integer)flagandtable.get(temp)).intValue();
2072 if (ffan.getTaskType()==FlatFlagActionNode.NEWOBJECT) {
2073 output.println("flagorandinit("+generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
2075 output.println("flagorand("+generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
2080 void generateOptionalHeader(PrintWriter headers) {
2083 headers.println("#include \"task.h\"\n\n");
2084 headers.println("#ifndef _OPTIONAL_STRUCT_");
2085 headers.println("#define _OPTIONAL_STRUCT_");
2087 //STRUCT PREDICATEMEMBER
2088 headers.println("struct predicatemember{");
2089 headers.println("int type;");
2090 headers.println("int numdnfterms;");
2091 headers.println("int * flags;");
2092 headers.println("int numtags;");
2093 headers.println("int * tags;\n};\n\n");
2095 //STRUCT OPTIONALTASKDESCRIPTOR
2096 headers.println("struct optionaltaskdescriptor{");
2097 headers.println("struct taskdescriptor * task;");
2098 headers.println("int index;");
2099 headers.println("int numenterflags;");
2100 headers.println("int * enterflags;");
2101 headers.println("int numpredicatemembers;");
2102 headers.println("struct predicatemember ** predicatememberarray;");
2103 headers.println("};\n\n");
2105 //STRUCT TASKFAILURE
2106 headers.println("struct taskfailure {");
2107 headers.println("struct taskdescriptor * task;");
2108 headers.println("int index;");
2109 headers.println("int numoptionaltaskdescriptors;");
2110 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
2112 //STRUCT FSANALYSISWRAPPER
2113 headers.println("struct fsanalysiswrapper{");
2114 headers.println("int flags;");
2115 headers.println("int numtags;");
2116 headers.println("int * tags;");
2117 headers.println("int numtaskfailures;");
2118 headers.println("struct taskfailure ** taskfailurearray;");
2119 headers.println("int numoptionaltaskdescriptors;");
2120 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
2122 //STRUCT CLASSANALYSISWRAPPER
2123 headers.println("struct classanalysiswrapper{");
2124 headers.println("int type;");
2125 headers.println("int numotd;");
2126 headers.println("struct optionaltaskdescriptor ** otdarray;");
2127 headers.println("int numfsanalysiswrappers;");
2128 headers.println("struct fsanalysiswrapper ** fsanalysiswrapperarray;\n};");
2130 headers.println("extern struct classanalysiswrapper * classanalysiswrapperarray[];");
2132 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
2133 while(taskit.hasNext()) {
2134 TaskDescriptor td=(TaskDescriptor)taskit.next();
2135 headers.println("extern struct taskdescriptor task_"+td.getSafeSymbol()+";");
2140 //CHECK OVER THIS -- THERE COULD BE SOME ERRORS HERE
2141 int generateOptionalPredicate(Predicate predicate, OptionalTaskDescriptor otd, ClassDescriptor cdtemp, PrintWriter output) {
2142 int predicateindex = 0;
2143 //iterate through the classes concerned by the predicate
2144 Set c_vard = predicate.vardescriptors;
2145 Hashtable<TempDescriptor, Integer> slotnumber=new Hashtable<TempDescriptor, Integer>();
2148 for(Iterator vard_it = c_vard.iterator(); vard_it.hasNext();){
2149 VarDescriptor vard = (VarDescriptor)vard_it.next();
2150 TypeDescriptor typed = vard.getType();
2152 //generate for flags
2153 HashSet fen_hashset = predicate.flags.get(vard.getSymbol());
2154 output.println("int predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2156 if (fen_hashset!=null){
2157 for (Iterator fen_it = fen_hashset.iterator(); fen_it.hasNext();){
2158 FlagExpressionNode fen = (FlagExpressionNode)fen_it.next();
2160 DNFFlag dflag=fen.getDNF();
2161 numberterms+=dflag.size();
2163 Hashtable flags=(Hashtable)flagorder.get(typed.getClassDesc());
2165 for(int j=0;j<dflag.size();j++) {
2167 output.println(",");
2168 Vector term=dflag.get(j);
2171 for(int k=0;k<term.size();k++) {
2172 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
2173 FlagDescriptor fd=dfa.getFlag();
2174 boolean negated=dfa.getNegated();
2175 int flagid=1<<((Integer)flags.get(fd)).intValue();
2180 output.print("/*andmask*/0x"+Integer.toHexString(andmask)+", /*checkmask*/0x"+Integer.toHexString(checkmask));
2185 output.println("};\n");
2188 TagExpressionList tagel = predicate.tags.get(vard.getSymbol());
2189 output.println("int predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2192 for(int j=0;j<tagel.numTags();j++) {
2194 output.println(",");
2195 TempDescriptor tmp=tagel.getTemp(j);
2196 if (!slotnumber.containsKey(tmp)) {
2197 Integer slotint=new Integer(current_slot++);
2198 slotnumber.put(tmp,slotint);
2200 int slot=slotnumber.get(tmp).intValue();
2201 output.println("/* slot */"+ slot+", /*tagid*/"+state.getTagId(tmp.getTag()));
2203 numtags = tagel.numTags();
2205 output.println("};");
2207 //store the result into a predicatemember struct
2208 output.println("struct predicatemember predicatemember_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
2209 output.println("/*type*/"+typed.getClassDesc().getId()+",");
2210 output.println("/* number of dnf terms */"+numberterms+",");
2211 output.println("predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2212 output.println("/* number of tag */"+numtags+",");
2213 output.println("predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2214 output.println("};\n");
2219 //generate an array that stores the entire predicate
2220 output.println("struct predicatemember * predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2221 for( int j = 0; j<predicateindex; j++){
2222 if( j != predicateindex-1)output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2223 else output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
2225 output.println("};\n");
2226 return predicateindex;
2230 void generateOptionalArrays(PrintWriter output, PrintWriter headers, Hashtable<ClassDescriptor, Hashtable<FlagState, Set<OptionalTaskDescriptor>>> safeexecution, Hashtable optionaltaskdescriptors) {
2231 generateOptionalHeader(headers);
2233 output.println("#include \"optionalstruct.h\"\n\n");
2234 output.println("#include \"stdlib.h\"\n");
2236 HashSet processedcd = new HashSet();
2238 Enumeration e = safeexecution.keys();
2239 while (e.hasMoreElements()) {
2242 ClassDescriptor cdtemp=(ClassDescriptor)e.nextElement();
2243 Hashtable flaginfo=(Hashtable)flagorder.get(cdtemp);//will be used several times
2245 //Generate the struct of optionals
2246 Collection c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
2247 numotd = c_otd.size();
2248 if(maxotd<numotd) maxotd = numotd;
2249 if( !c_otd.isEmpty() ){
2250 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext();){
2251 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
2253 //generate the int arrays for the predicate
2254 Predicate predicate = otd.predicate;
2255 int predicateindex = generateOptionalPredicate(predicate, otd, cdtemp, output);
2256 TreeSet<Integer> fsset=new TreeSet<Integer>();
2257 //iterate through possible FSes corresponding to
2258 //the state when entering
2260 for(Iterator fses = otd.enterflagstates.iterator(); fses.hasNext();){
2261 FlagState fs = (FlagState)fses.next();
2263 for(Iterator flags = fs.getFlags(); flags.hasNext();){
2264 FlagDescriptor flagd = (FlagDescriptor)flags.next();
2265 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
2268 fsset.add(new Integer(flagid));
2269 //tag information not needed because tag
2270 //changes are not tolerated.
2273 output.println("int enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2274 boolean needcomma=false;
2275 for(Iterator<Integer> it=fsset.iterator();it.hasNext();) {
2278 output.println(it.next());
2281 output.println("};\n");
2284 //generate optionaltaskdescriptor that actually
2285 //includes exit fses, predicate and the task
2287 output.println("struct optionaltaskdescriptor optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
2288 output.println("&task_"+otd.td.getSafeSymbol()+",");
2289 output.println("/*index*/"+otd.getIndex()+",");
2290 output.println("/*number of enter flags*/"+fsset.size()+",");
2291 output.println("enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2292 output.println("/*number of members */"+predicateindex+",");
2293 output.println("predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2294 output.println("};\n");
2298 // if there is no optionals, there is no need to build the rest of the struct
2300 output.println("struct optionaltaskdescriptor * otdarray"+cdtemp.getSafeSymbol()+"[]={");
2301 c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
2302 if( !c_otd.isEmpty() ){
2303 boolean needcomma=false;
2304 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext();){
2305 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
2307 output.println(",");
2309 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
2312 output.println("};\n");
2314 //get all the possible flagstates reachable by an object
2315 Hashtable hashtbtemp = safeexecution.get(cdtemp);
2317 TreeSet fsts=new TreeSet(new FlagComparator(flaginfo));
2318 fsts.addAll(hashtbtemp.keySet());
2319 for(Iterator fsit=fsts.iterator();fsit.hasNext();) {
2320 FlagState fs = (FlagState)fsit.next();
2323 //get the set of OptionalTaskDescriptors corresponding
2324 HashSet<OptionalTaskDescriptor> availabletasks = (HashSet<OptionalTaskDescriptor>)hashtbtemp.get(fs);
2325 //iterate through the OptionalTaskDescriptors and
2326 //store the pointers to the optionals struct (see on
2327 //top) into an array
2329 output.println("struct optionaltaskdescriptor * optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[] = {");
2330 for(Iterator<OptionalTaskDescriptor> mos = ordertd(availabletasks).iterator(); mos.hasNext();){
2331 OptionalTaskDescriptor mm = mos.next();
2333 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol());
2335 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2338 output.println("};\n");
2340 //process flag information (what the flag after failure is) so we know what optionaltaskdescriptors to choose.
2343 for(Iterator flags = fs.getFlags(); flags.hasNext();){
2344 FlagDescriptor flagd = (FlagDescriptor)flags.next();
2345 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
2349 //process tag information
2352 boolean first = true;
2353 Enumeration tag_enum = fs.getTags();
2354 output.println("int tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
2355 while(tag_enum.hasMoreElements()){
2357 TagDescriptor tagd = (TagDescriptor)tag_enum.nextElement();
2361 output.println(", ");
2362 output.println("/*tagid*/"+state.getTagId(tagd));
2364 output.println("};");
2366 Set<TaskIndex> tiset=sa.getTaskIndex(fs);
2367 for(Iterator<TaskIndex> itti=tiset.iterator();itti.hasNext();) {
2368 TaskIndex ti=itti.next();
2369 Set<OptionalTaskDescriptor> otdset=sa.getOptions(fs, ti.getTask(), ti.getIndex());
2371 output.print("struct optionaltaskdescriptor * optionaltaskfailure_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array[] = {");
2372 boolean needcomma=false;
2373 for(Iterator<OptionalTaskDescriptor> otdit=ordertd(otdset).iterator();otdit.hasNext();) {
2374 OptionalTaskDescriptor otd=otdit.next();
2378 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
2380 output.println("};");
2382 output.print("struct taskfailure taskfailure_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+" = {");
2383 output.print("&task_"+ti.getTask().getSafeSymbol()+", ");
2384 output.print(ti.getIndex()+", ");
2385 output.print(otdset.size()+", ");
2386 output.print("optionaltaskfailure_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array");
2387 output.println("};");
2390 tiset=sa.getTaskIndex(fs);
2391 boolean needcomma=false;
2392 output.println("struct taskfailure * taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
2393 for(Iterator<TaskIndex> itti=tiset.iterator();itti.hasNext();) {
2394 TaskIndex ti=itti.next();
2398 output.print("&taskfailure_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex());
2400 output.println("};\n");
2402 //Store the result in fsanalysiswrapper
2404 output.println("struct fsanalysiswrapper fsanalysiswrapper_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"={");
2405 output.println("/*flag*/"+flagid+",");
2406 output.println("/* number of tags*/"+tagcounter+",");
2407 output.println("tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
2408 output.println("/* numtask failures */"+tiset.size()+",");
2409 output.println("taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
2410 output.println("/* number of optionaltaskdescriptors */"+availabletasks.size()+",");
2411 output.println("optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol());
2412 output.println("};\n");
2416 //Build the array of fsanalysiswrappers
2417 output.println("struct fsanalysiswrapper * fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"[] = {");
2418 boolean needcomma=false;
2419 for(int i = 0; i<fscounter; i++){
2420 if (needcomma) output.print(",");
2421 output.println("&fsanalysiswrapper_FS"+(i+1)+"_"+cdtemp.getSafeSymbol());
2424 output.println("};");
2426 //Build the classanalysiswrapper referring to the previous array
2427 output.println("struct classanalysiswrapper classanalysiswrapper_"+cdtemp.getSafeSymbol()+"={");
2428 output.println("/*type*/"+cdtemp.getId()+",");
2429 output.println("/*numotd*/"+numotd+",");
2430 output.println("otdarray"+cdtemp.getSafeSymbol()+",");
2431 output.println("/* number of fsanalysiswrappers */"+fscounter+",");
2432 output.println("fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"};\n");
2433 processedcd.add(cdtemp);
2436 //build an array containing every classes for which code has been build
2437 output.println("struct classanalysiswrapper * classanalysiswrapperarray[]={");
2438 for(int i=0;i<state.numClasses();i++) {
2439 ClassDescriptor cn=cdarray[i];
2442 if (processedcd.contains(cn))
2443 output.print("&classanalysiswrapper_"+cn.getSafeSymbol());
2445 output.print("NULL");
2447 output.println("};");
2449 output.println("#define MAXOTD "+maxotd);
2450 headers.println("#endif");
2453 public List<OptionalTaskDescriptor> ordertd(Set<OptionalTaskDescriptor> otdset) {
2454 Relation r=new Relation();
2455 for(Iterator<OptionalTaskDescriptor>otdit=otdset.iterator();otdit.hasNext();) {
2456 OptionalTaskDescriptor otd=otdit.next();
2457 TaskIndex ti=new TaskIndex(otd.td, otd.getIndex());
2461 LinkedList<OptionalTaskDescriptor> l=new LinkedList<OptionalTaskDescriptor>();
2462 for(Iterator it=r.keySet().iterator();it.hasNext();) {
2463 Set s=r.get(it.next());
2464 for(Iterator it2=s.iterator();it2.hasNext();) {
2465 OptionalTaskDescriptor otd=(OptionalTaskDescriptor)it2.next();