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);
350 private void outputStructs(PrintWriter outstructs) {
351 outstructs.println("#ifndef STRUCTDEFS_H");
352 outstructs.println("#define STRUCTDEFS_H");
353 outstructs.println("#include \"classdefs.h\"");
355 /* Output #defines that the runtime uses to determine type
356 * numbers for various objects it needs */
357 outstructs.println("#define MAXCOUNT "+maxcount);
359 LocalityBinding lb=new LocalityBinding(typeutil.getRun(), false);
360 lb.setGlobalThis(LocalityAnalysis.GLOBAL);
361 outstructs.println("#define RUNMETHOD "+virtualcalls.getLocalityNumber(lb));
364 outstructs.println("#define STRINGARRAYTYPE "+
365 (state.getArrayNumber(
366 (new TypeDescriptor(typeutil.getClass(TypeUtil.StringClass))).makeArray(state))+state.numClasses()));
368 outstructs.println("#define OBJECTARRAYTYPE "+
369 (state.getArrayNumber(
370 (new TypeDescriptor(typeutil.getClass(TypeUtil.ObjectClass))).makeArray(state))+state.numClasses()));
373 outstructs.println("#define STRINGTYPE "+typeutil.getClass(TypeUtil.StringClass).getId());
374 outstructs.println("#define CHARARRAYTYPE "+
375 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.CHAR)).makeArray(state))+state.numClasses()));
377 outstructs.println("#define BYTEARRAYTYPE "+
378 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state))+state.numClasses()));
380 outstructs.println("#define BYTEARRAYARRAYTYPE "+
381 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state).makeArray(state))+state.numClasses()));
383 outstructs.println("#define NUMCLASSES "+state.numClasses());
385 outstructs.println("#define STARTUPTYPE "+typeutil.getClass(TypeUtil.StartupClass).getId());
386 outstructs.println("#define TAGTYPE "+typeutil.getClass(TypeUtil.TagClass).getId());
387 outstructs.println("#define TAGARRAYTYPE "+
388 (state.getArrayNumber(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass)).makeArray(state))+state.numClasses()));
392 private void outputClassDeclarations(PrintWriter outclassdefs) {
394 outclassdefs.println("#include <pthread.h>");
396 outclassdefs.println("#include \"optionalstruct.h\"");
397 outclassdefs.println("struct "+arraytype+";");
398 /* Start by declaring all structs */
399 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
400 while(it.hasNext()) {
401 ClassDescriptor cn=(ClassDescriptor)it.next();
402 outclassdefs.println("struct "+cn.getSafeSymbol()+";");
404 outclassdefs.println("");
405 //Print out definition for array type
406 outclassdefs.println("struct "+arraytype+" {");
407 outclassdefs.println(" int type;");
409 outclassdefs.println(" pthread_t tid;");
410 outclassdefs.println(" void * lockentry;");
411 outclassdefs.println(" int lockcount;");
414 outclassdefs.println(" int flag;");
415 outclassdefs.println(" void * flagptr;");
417 outclassdefs.println(" int numfses;");
418 outclassdefs.println(" int * fses;");
421 printClassStruct(typeutil.getClass(TypeUtil.ObjectClass), outclassdefs);
423 outclassdefs.println(" int ___length___;");
424 outclassdefs.println("};\n");
425 outclassdefs.println("extern int classsize[];");
426 outclassdefs.println("extern int hasflags[];");
427 outclassdefs.println("extern unsigned int * pointerarray[];");
428 outclassdefs.println("extern int supertypes[];");
431 /** Prints out definitions for generic task structures */
433 private void outputTaskTypes(PrintWriter outtask) {
434 outtask.println("#ifndef _TASK_H");
435 outtask.println("#define _TASK_H");
436 outtask.println("struct parameterdescriptor {");
437 outtask.println("int type;");
438 outtask.println("int numberterms;");
439 outtask.println("int *intarray;");
440 outtask.println("void * queue;");
441 outtask.println("int numbertags;");
442 outtask.println("int *tagarray;");
443 outtask.println("};");
445 outtask.println("struct taskdescriptor {");
446 outtask.println("void * taskptr;");
447 outtask.println("int numParameters;");
448 outtask.println("int numTotal;");
449 outtask.println("struct parameterdescriptor **descriptorarray;");
450 outtask.println("char * name;");
451 outtask.println("};");
452 outtask.println("extern struct taskdescriptor * taskarray[];");
453 outtask.println("extern numtasks;");
454 outtask.println("#endif");
458 private void buildRepairStructs(PrintWriter outrepairstructs) {
459 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
460 while(classit.hasNext()) {
461 ClassDescriptor cn=(ClassDescriptor)classit.next();
462 outrepairstructs.println("structure "+cn.getSymbol()+" {");
463 outrepairstructs.println(" int __type__;");
465 outrepairstructs.println(" int __flag__;");
466 outrepairstructs.println(" int __flagptr__;");
468 printRepairStruct(cn, outrepairstructs);
469 outrepairstructs.println("}\n");
472 for(int i=0;i<state.numArrays();i++) {
473 TypeDescriptor tdarray=arraytable[i];
474 TypeDescriptor tdelement=tdarray.dereference();
475 outrepairstructs.println("structure "+arraytype+"_"+state.getArrayNumber(tdarray)+" {");
476 outrepairstructs.println(" int __type__;");
477 printRepairStruct(typeutil.getClass(TypeUtil.ObjectClass), outrepairstructs);
478 outrepairstructs.println(" int length;");
480 // Need to add support to repair tool for this
481 if (tdelement.isClass()||tdelement.isArray())
482 outrepairstructs.println(" "+tdelement.getRepairSymbol()+" * elem[this.length];");
484 outrepairstructs.println(" "+tdelement.getRepairSymbol()+" elem[this.length];");
486 outrepairstructs.println("}\n");
490 private void printRepairStruct(ClassDescriptor cn, PrintWriter output) {
491 ClassDescriptor sp=cn.getSuperDesc();
493 printRepairStruct(sp, output);
495 Vector fields=(Vector)fieldorder.get(cn);
497 for(int i=0;i<fields.size();i++) {
498 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
499 if (fd.getType().isArray()) {
500 output.println(" "+arraytype+"_"+ state.getArrayNumber(fd.getType()) +" * "+fd.getSymbol()+";");
501 } else if (fd.getType().isClass())
502 output.println(" "+fd.getType().getRepairSymbol()+" * "+fd.getSymbol()+";");
503 else if (fd.getType().isFloat())
504 output.println(" int "+fd.getSymbol()+"; /* really float */");
506 output.println(" "+fd.getType().getRepairSymbol()+" "+fd.getSymbol()+";");
510 /** This method outputs TaskDescriptor information */
511 void generateTaskDescriptor(PrintWriter output, FlatMethod fm, TaskDescriptor task) {
512 for (int i=0;i<task.numParameters();i++) {
513 VarDescriptor param_var=task.getParameter(i);
514 TypeDescriptor param_type=task.getParamType(i);
515 FlagExpressionNode param_flag=task.getFlag(param_var);
516 TagExpressionList param_tag=task.getTag(param_var);
519 if (param_flag==null) {
520 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
521 output.println("0x0, 0x0 };");
524 DNFFlag dflag=param_flag.getDNF();
525 dnfterms=dflag.size();
527 Hashtable flags=(Hashtable)flagorder.get(param_type.getClassDesc());
528 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
529 for(int j=0;j<dflag.size();j++) {
532 Vector term=dflag.get(j);
535 for(int k=0;k<term.size();k++) {
536 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
537 FlagDescriptor fd=dfa.getFlag();
538 boolean negated=dfa.getNegated();
539 int flagid=1<<((Integer)flags.get(fd)).intValue();
544 output.print("0x"+Integer.toHexString(andmask)+", 0x"+Integer.toHexString(checkmask));
546 output.println("};");
549 output.println("int parametertag_"+i+"_"+task.getSafeSymbol()+"[]={");
550 //BUG...added next line to fix, test with any task program
552 for(int j=0;j<param_tag.numTags();j++) {
555 /* for each tag we need */
556 /* which slot it is */
557 /* what type it is */
558 TagVarDescriptor tvd=(TagVarDescriptor)task.getParameterTable().get(param_tag.getName(j));
559 TempDescriptor tmp=param_tag.getTemp(j);
560 int slot=fm.getTagInt(tmp);
561 output.println(slot+", "+state.getTagId(tvd.getTag()));
563 output.println("};");
565 output.println("struct parameterdescriptor parameter_"+i+"_"+task.getSafeSymbol()+"={");
566 output.println("/* type */"+param_type.getClassDesc().getId()+",");
567 output.println("/* number of DNF terms */"+dnfterms+",");
568 output.println("parameterdnf_"+i+"_"+task.getSafeSymbol()+",");
569 output.println("0,");
570 //BUG, added next line to fix and else statement...test
571 //with any task program
573 output.println("/* number of tags */"+param_tag.numTags()+",");
575 output.println("/* number of tags */ 0,");
576 output.println("parametertag_"+i+"_"+task.getSafeSymbol());
577 output.println("};");
581 output.println("struct parameterdescriptor * parameterdescriptors_"+task.getSafeSymbol()+"[] = {");
582 for (int i=0;i<task.numParameters();i++) {
585 output.print("¶meter_"+i+"_"+task.getSafeSymbol());
587 output.println("};");
589 output.println("struct taskdescriptor task_"+task.getSafeSymbol()+"={");
590 output.println("&"+task.getSafeSymbol()+",");
591 output.println("/* number of parameters */" +task.numParameters() + ",");
592 int numtotal=task.numParameters()+fm.numTags();
593 output.println("/* number total parameters */" +numtotal + ",");
594 output.println("parameterdescriptors_"+task.getSafeSymbol()+",");
595 output.println("\""+task.getSymbol()+"\"");
596 output.println("};");
600 /** The buildVirtualTables method outputs the virtual dispatch
601 * tables for methods. */
603 private void buildVirtualTables(PrintWriter outvirtual) {
604 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
605 while(classit.hasNext()) {
606 ClassDescriptor cd=(ClassDescriptor)classit.next();
607 if (virtualcalls.getMethodCount(cd)>maxcount)
608 maxcount=virtualcalls.getMethodCount(cd);
610 MethodDescriptor[][] virtualtable=null;
611 LocalityBinding[][] lbvirtualtable=null;
613 lbvirtualtable=new LocalityBinding[state.numClasses()+state.numArrays()][maxcount];
615 virtualtable=new MethodDescriptor[state.numClasses()+state.numArrays()][maxcount];
617 /* Fill in virtual table */
618 classit=state.getClassSymbolTable().getDescriptorsIterator();
619 while(classit.hasNext()) {
620 ClassDescriptor cd=(ClassDescriptor)classit.next();
622 fillinRow(cd, lbvirtualtable, cd.getId());
624 fillinRow(cd, virtualtable, cd.getId());
627 ClassDescriptor objectcd=typeutil.getClass(TypeUtil.ObjectClass);
628 Iterator arrayit=state.getArrayIterator();
629 while(arrayit.hasNext()) {
630 TypeDescriptor td=(TypeDescriptor)arrayit.next();
631 int id=state.getArrayNumber(td);
633 fillinRow(objectcd, lbvirtualtable, id+state.numClasses());
635 fillinRow(objectcd, virtualtable, id+state.numClasses());
638 outvirtual.print("void * virtualtable[]={");
639 boolean needcomma=false;
640 for(int i=0;i<state.numClasses()+state.numArrays();i++) {
641 for(int j=0;j<maxcount;j++) {
643 outvirtual.print(", ");
644 if (state.DSM&&lbvirtualtable[i][j]!=null) {
645 LocalityBinding lb=lbvirtualtable[i][j];
646 MethodDescriptor md=lb.getMethod();
647 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
648 } else if (!state.DSM&&virtualtable[i][j]!=null) {
649 MethodDescriptor md=virtualtable[i][j];
650 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
652 outvirtual.print("0");
656 outvirtual.println("");
658 outvirtual.println("};");
662 private void fillinRow(ClassDescriptor cd, MethodDescriptor[][] virtualtable, int rownum) {
663 /* Get inherited methods */
664 if (cd.getSuperDesc()!=null)
665 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
666 /* Override them with our methods */
667 for(Iterator it=cd.getMethods();it.hasNext();) {
668 MethodDescriptor md=(MethodDescriptor)it.next();
669 if (md.isStatic()||md.getReturnType()==null)
671 int methodnum=virtualcalls.getMethodNumber(md);
672 virtualtable[rownum][methodnum]=md;
676 private void fillinRow(ClassDescriptor cd, LocalityBinding[][] virtualtable, int rownum) {
677 /* Get inherited methods */
678 if (cd.getSuperDesc()!=null)
679 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
680 /* Override them with our methods */
681 if (locality.getClassBindings(cd)!=null)
682 for(Iterator<LocalityBinding> lbit=locality.getClassBindings(cd).iterator();lbit.hasNext();) {
683 LocalityBinding lb=lbit.next();
684 MethodDescriptor md=lb.getMethod();
685 //Is the method static or a constructor
686 if (md.isStatic()||md.getReturnType()==null)
688 int methodnum=virtualcalls.getLocalityNumber(lb);
689 virtualtable[rownum][methodnum]=lb;
694 /** Generate array that contains the sizes of class objects. The
695 * object allocation functions in the runtime use this
698 private void generateSizeArray(PrintWriter outclassdefs) {
699 outclassdefs.print("int classsize[]={");
700 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
701 cdarray=new ClassDescriptor[state.numClasses()];
702 while(it.hasNext()) {
703 ClassDescriptor cd=(ClassDescriptor)it.next();
704 cdarray[cd.getId()]=cd;
706 boolean needcomma=false;
707 for(int i=0;i<state.numClasses();i++) {
709 outclassdefs.print(", ");
710 outclassdefs.print("sizeof(struct "+cdarray[i].getSafeSymbol()+")");
714 arraytable=new TypeDescriptor[state.numArrays()];
716 Iterator arrayit=state.getArrayIterator();
717 while(arrayit.hasNext()) {
718 TypeDescriptor td=(TypeDescriptor)arrayit.next();
719 int id=state.getArrayNumber(td);
723 for(int i=0;i<state.numArrays();i++) {
725 outclassdefs.print(", ");
726 TypeDescriptor tdelement=arraytable[i].dereference();
727 if (tdelement.isArray()||tdelement.isClass())
728 outclassdefs.print("sizeof(void *)");
730 outclassdefs.print("sizeof("+tdelement.getSafeSymbol()+")");
734 outclassdefs.println("};");
737 /** Constructs params and temp objects for each method or task.
738 * These objects tell the compiler which temps need to be
741 private void generateTempStructs(FlatMethod fm, LocalityBinding lb) {
742 MethodDescriptor md=fm.getMethod();
743 TaskDescriptor task=fm.getTask();
744 Set<TempDescriptor> saveset=lb!=null?locality.getTempSet(lb):null;
745 ParamsObject objectparams=md!=null?new ParamsObject(md,tag++):new ParamsObject(task, tag++);
748 paramstable.put(lb, objectparams);
750 paramstable.put(md, objectparams);
752 paramstable.put(task, objectparams);
754 for(int i=0;i<fm.numParameters();i++) {
755 TempDescriptor temp=fm.getParameter(i);
756 TypeDescriptor type=temp.getType();
757 if (type.isPtr()&&GENERATEPRECISEGC)
758 objectparams.addPtr(temp);
760 objectparams.addPrim(temp);
761 if(lb!=null&&saveset.contains(temp)) {
762 backuptable.put(temp, temp.createNew());
766 for(int i=0;i<fm.numTags();i++) {
767 TempDescriptor temp=fm.getTag(i);
768 if (GENERATEPRECISEGC)
769 objectparams.addPtr(temp);
771 objectparams.addPrim(temp);
774 TempObject objecttemps=md!=null?new TempObject(objectparams,md,tag++):new TempObject(objectparams, task, tag++);
776 tempstable.put(lb, objecttemps);
778 tempstable.put(md, objecttemps);
780 tempstable.put(task, objecttemps);
782 for(Iterator nodeit=fm.getNodeSet().iterator();nodeit.hasNext();) {
783 FlatNode fn=(FlatNode)nodeit.next();
784 TempDescriptor[] writes=fn.writesTemps();
785 for(int i=0;i<writes.length;i++) {
786 TempDescriptor temp=writes[i];
787 TypeDescriptor type=temp.getType();
788 if (type.isPtr()&&GENERATEPRECISEGC)
789 objecttemps.addPtr(temp);
791 objecttemps.addPrim(temp);
792 if(lb!=null&&saveset.contains(temp)&&
793 !backuptable.containsKey(temp))
794 backuptable.put(temp, temp.createNew());
798 /* Create backup temps */
800 for(Iterator<TempDescriptor> tmpit=backuptable.values().iterator();tmpit.hasNext();) {
801 TempDescriptor tmp=tmpit.next();
802 TypeDescriptor type=tmp.getType();
803 if (type.isPtr()&&GENERATEPRECISEGC)
804 objecttemps.addPtr(tmp);
806 objecttemps.addPrim(tmp);
808 /* Create temp to hold revert table */
809 if (lb.getHasAtomic()) {
810 TempDescriptor reverttmp=new TempDescriptor("revertlist", typeutil.getClass(TypeUtil.ObjectClass));
811 if (GENERATEPRECISEGC)
812 objecttemps.addPtr(reverttmp);
814 objecttemps.addPrim(reverttmp);
815 reverttable.put(lb, reverttmp);
820 /** This method outputs the following information about classes
822 * (1) For classes, what are the locations of pointers.
823 * (2) For arrays, does the array contain pointers or primitives.
824 * (3) For classes, does the class contain flags.
827 private void generateLayoutStructs(PrintWriter output) {
828 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
829 while(it.hasNext()) {
830 ClassDescriptor cn=(ClassDescriptor)it.next();
831 output.println("unsigned int "+cn.getSafeSymbol()+"_pointers[]={");
832 Iterator allit=cn.getFieldTable().getAllDescriptorsIterator();
834 while(allit.hasNext()) {
835 FieldDescriptor fd=(FieldDescriptor)allit.next();
836 TypeDescriptor type=fd.getType();
837 if (state.DSM&&fd.isGlobal()) //Don't GC the global objects for now
843 allit=cn.getFieldTable().getAllDescriptorsIterator();
844 while(allit.hasNext()) {
845 FieldDescriptor fd=(FieldDescriptor)allit.next();
846 TypeDescriptor type=fd.getType();
847 if (state.DSM&&fd.isGlobal()) //Don't GC the global objects for now
851 output.print("((unsigned int)&(((struct "+cn.getSafeSymbol() +" *)0)->"+fd.getSafeSymbol()+"))");
854 output.println("};");
856 output.println("unsigned int * pointerarray[]={");
857 boolean needcomma=false;
858 for(int i=0;i<state.numClasses();i++) {
859 ClassDescriptor cn=cdarray[i];
863 output.print(cn.getSafeSymbol()+"_pointers");
866 for(int i=0;i<state.numArrays();i++) {
868 output.println(", ");
869 TypeDescriptor tdelement=arraytable[i].dereference();
870 if (tdelement.isArray()||tdelement.isClass())
871 output.print("((unsigned int *)1)");
877 output.println("};");
879 output.println("int hasflags[]={");
880 for(int i=0;i<state.numClasses();i++) {
881 ClassDescriptor cn=cdarray[i];
883 output.println(", ");
890 output.println("};");
893 /** Print out table to give us supertypes */
894 private void generateSuperTypeTable(PrintWriter output) {
895 output.println("int supertypes[]={");
896 boolean needcomma=false;
897 for(int i=0;i<state.numClasses();i++) {
898 ClassDescriptor cn=cdarray[i];
902 if (cn.getSuperDesc()!=null) {
903 ClassDescriptor cdsuper=cn.getSuperDesc();
904 output.print(cdsuper.getId());
908 output.println("};");
911 /** Force consistent field ordering between inherited classes. */
913 private void printClassStruct(ClassDescriptor cn, PrintWriter classdefout) {
915 ClassDescriptor sp=cn.getSuperDesc();
917 printClassStruct(sp, classdefout);
919 if (!fieldorder.containsKey(cn)) {
920 Vector fields=new Vector();
921 fieldorder.put(cn,fields);
922 Iterator fieldit=cn.getFields();
923 while(fieldit.hasNext()) {
924 FieldDescriptor fd=(FieldDescriptor)fieldit.next();
925 if (sp==null||!sp.getFieldTable().contains(fd.getSymbol()))
929 Vector fields=(Vector)fieldorder.get(cn);
931 for(int i=0;i<fields.size();i++) {
932 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
933 if (fd.getType().isClass()||fd.getType().isArray())
934 classdefout.println(" struct "+fd.getType().getSafeSymbol()+" * "+fd.getSafeSymbol()+";");
936 classdefout.println(" "+fd.getType().getSafeSymbol()+" "+fd.getSafeSymbol()+";");
941 /* Map flags to integers consistently between inherited
944 private void mapFlags(ClassDescriptor cn) {
945 ClassDescriptor sp=cn.getSuperDesc();
949 if (!flagorder.containsKey(cn)) {
950 Hashtable flags=new Hashtable();
951 flagorder.put(cn,flags);
953 Hashtable superflags=(Hashtable)flagorder.get(sp);
954 Iterator superflagit=superflags.keySet().iterator();
955 while(superflagit.hasNext()) {
956 FlagDescriptor fd=(FlagDescriptor)superflagit.next();
957 Integer number=(Integer)superflags.get(fd);
958 flags.put(fd, number);
959 if ((number.intValue()+1)>max)
960 max=number.intValue()+1;
964 Iterator flagit=cn.getFlags();
965 while(flagit.hasNext()) {
966 FlagDescriptor fd=(FlagDescriptor)flagit.next();
967 if (sp==null||!sp.getFlagTable().contains(fd.getSymbol()))
968 flags.put(fd, new Integer(max++));
974 /** This function outputs (1) structures that parameters are
975 * passed in (when PRECISE GC is enabled) and (2) function
976 * prototypes for the methods */
978 private void generateCallStructs(ClassDescriptor cn, PrintWriter classdefout, PrintWriter output, PrintWriter headersout) {
979 /* Output class structure */
980 classdefout.println("struct "+cn.getSafeSymbol()+" {");
981 classdefout.println(" int type;");
983 classdefout.println(" pthread_t tid;");
984 classdefout.println(" void * lockentry;");
985 classdefout.println(" int lockcount;");
989 classdefout.println(" int flag;");
990 classdefout.println(" void * flagptr;");
992 classdefout.println(" int numfses;");
993 classdefout.println(" int * fses;");
996 printClassStruct(cn, classdefout);
997 classdefout.println("};\n");
1000 /* Cycle through LocalityBindings */
1001 HashSet<MethodDescriptor> nativemethods=new HashSet<MethodDescriptor>();
1002 Set<LocalityBinding> lbset=locality.getClassBindings(cn);
1004 for(Iterator<LocalityBinding> lbit=lbset.iterator();lbit.hasNext();) {
1005 LocalityBinding lb=lbit.next();
1006 MethodDescriptor md=lb.getMethod();
1007 if (md.getModifiers().isNative()) {
1008 //make sure we only print a native method once
1009 if (nativemethods.contains(md)) {
1010 FlatMethod fm=state.getMethodFlat(md);
1011 generateTempStructs(fm, lb);
1014 nativemethods.add(md);
1016 generateMethod(cn, md, lb, headersout, output);
1019 for(Iterator methodit=cn.getMethods();methodit.hasNext();) {
1020 MethodDescriptor md=(MethodDescriptor)methodit.next();
1021 if (md.getModifiers().isNative()&&!nativemethods.contains(md)) {
1022 //Need to build param structure for library code
1023 FlatMethod fm=state.getMethodFlat(md);
1024 generateTempStructs(fm, null);
1025 generateMethodParam(cn, md, null, output);
1030 for(Iterator methodit=cn.getMethods();methodit.hasNext();) {
1031 MethodDescriptor md=(MethodDescriptor)methodit.next();
1032 generateMethod(cn, md, null, headersout, output);
1036 private void generateMethodParam(ClassDescriptor cn, MethodDescriptor md, LocalityBinding lb, PrintWriter output) {
1037 /* Output parameter structure */
1038 if (GENERATEPRECISEGC) {
1039 ParamsObject objectparams=(ParamsObject) paramstable.get(lb!=null?lb:md);
1040 if (state.DSM&&lb!=null)
1041 output.println("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1043 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1044 output.println(" int size;");
1045 output.println(" void * next;");
1046 for(int i=0;i<objectparams.numPointers();i++) {
1047 TempDescriptor temp=objectparams.getPointer(i);
1048 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1050 output.println("};\n");
1055 private void generateMethod(ClassDescriptor cn, MethodDescriptor md, LocalityBinding lb, PrintWriter headersout, PrintWriter output) {
1056 FlatMethod fm=state.getMethodFlat(md);
1057 generateTempStructs(fm, lb);
1059 ParamsObject objectparams=(ParamsObject) paramstable.get(lb!=null?lb:md);
1060 TempObject objecttemps=(TempObject) tempstable.get(lb!=null?lb:md);
1062 generateMethodParam(cn, md, lb, output);
1064 /* Output temp structure */
1065 if (GENERATEPRECISEGC) {
1067 output.println("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1069 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1070 output.println(" int size;");
1071 output.println(" void * next;");
1072 for(int i=0;i<objecttemps.numPointers();i++) {
1073 TempDescriptor temp=objecttemps.getPointer(i);
1074 if (temp.getType().isNull())
1075 output.println(" void * "+temp.getSafeSymbol()+";");
1077 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1079 output.println("};\n");
1082 /********* Output method declaration ***********/
1084 /* First the return type */
1085 if (md.getReturnType()!=null) {
1086 if (md.getReturnType().isClass()||md.getReturnType().isArray())
1087 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1089 headersout.print(md.getReturnType().getSafeSymbol()+" ");
1091 //catch the constructor case
1092 headersout.print("void ");
1094 /* Next the method name */
1096 headersout.print(cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1098 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1100 boolean printcomma=false;
1101 if (GENERATEPRECISEGC) {
1103 headersout.print("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1105 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1109 if (state.DSM&&lb.isAtomic()) {
1111 headersout.print(", ");
1112 headersout.print("transrecord_t * trans");
1116 /* Output parameter list*/
1117 for(int i=0;i<objectparams.numPrimitives();i++) {
1118 TempDescriptor temp=objectparams.getPrimitive(i);
1120 headersout.print(", ");
1122 if (temp.getType().isClass()||temp.getType().isArray())
1123 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1125 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1127 headersout.println(");\n");
1131 /** This function outputs (1) structures that parameters are
1132 * passed in (when PRECISE GC is enabled) and (2) function
1133 * prototypes for the tasks */
1135 private void generateTaskStructs(PrintWriter output, PrintWriter headersout) {
1136 /* Cycle through tasks */
1137 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
1139 while(taskit.hasNext()) {
1140 /* Classify parameters */
1141 TaskDescriptor task=(TaskDescriptor)taskit.next();
1142 FlatMethod fm=state.getMethodFlat(task);
1143 generateTempStructs(fm, null);
1145 ParamsObject objectparams=(ParamsObject) paramstable.get(task);
1146 TempObject objecttemps=(TempObject) tempstable.get(task);
1148 /* Output parameter structure */
1149 if (GENERATEPRECISEGC) {
1150 output.println("struct "+task.getSafeSymbol()+"_params {");
1152 output.println(" int size;");
1153 output.println(" void * next;");
1154 for(int i=0;i<objectparams.numPointers();i++) {
1155 TempDescriptor temp=objectparams.getPointer(i);
1156 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1159 output.println("};\n");
1160 if ((objectparams.numPointers()+fm.numTags())>maxtaskparams) {
1161 maxtaskparams=objectparams.numPointers()+fm.numTags();
1165 /* Output temp structure */
1166 if (GENERATEPRECISEGC) {
1167 output.println("struct "+task.getSafeSymbol()+"_locals {");
1168 output.println(" int size;");
1169 output.println(" void * next;");
1170 for(int i=0;i<objecttemps.numPointers();i++) {
1171 TempDescriptor temp=objecttemps.getPointer(i);
1172 if (temp.getType().isNull())
1173 output.println(" void * "+temp.getSafeSymbol()+";");
1174 else if(temp.getType().isTag())
1175 output.println(" struct "+
1176 (new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1178 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1180 output.println("};\n");
1183 /* Output task declaration */
1184 headersout.print("void " + task.getSafeSymbol()+"(");
1186 boolean printcomma=false;
1187 if (GENERATEPRECISEGC) {
1188 headersout.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
1190 headersout.print("void * parameterarray[]");
1191 headersout.println(");\n");
1195 /***** Generate code for FlatMethod fm. *****/
1197 private void generateFlatMethod(FlatMethod fm, LocalityBinding lb, PrintWriter output) {
1198 MethodDescriptor md=fm.getMethod();
1200 TaskDescriptor task=fm.getTask();
1202 ClassDescriptor cn=md!=null?md.getClassDesc():null;
1204 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null?lb:md!=null?md:task);
1205 generateHeader(fm, lb, md!=null?md:task,output);
1206 TempObject objecttemp=(TempObject) tempstable.get(lb!=null?lb:md!=null?md:task);
1207 if (state.DSM&&lb.getHasAtomic()) {
1208 output.println("transrecord_t * trans;");
1211 if (GENERATEPRECISEGC) {
1212 if (md!=null&&state.DSM)
1213 output.print(" struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1214 else if (md!=null&&!state.DSM)
1215 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1217 output.print(" struct "+task.getSafeSymbol()+"_locals "+localsprefix+"={");
1219 output.print(objecttemp.numPointers()+",");
1220 output.print(paramsprefix);
1221 for(int j=0;j<objecttemp.numPointers();j++)
1222 output.print(", NULL");
1223 output.println("};");
1226 for(int i=0;i<objecttemp.numPrimitives();i++) {
1227 TempDescriptor td=objecttemp.getPrimitive(i);
1228 TypeDescriptor type=td.getType();
1230 output.println(" void * "+td.getSafeSymbol()+";");
1231 else if (type.isClass()||type.isArray())
1232 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
1234 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
1237 /* Assign labels to FlatNode's if necessary.*/
1239 Hashtable<FlatNode, Integer> nodetolabel=assignLabels(fm);
1241 /* Check to see if we need to do a GC if this is a
1242 * multi-threaded program...*/
1244 if (state.THREAD&&GENERATEPRECISEGC) {
1245 output.println("checkcollect(&"+localsprefix+");");
1248 /* Do the actual code generation */
1249 FlatNode current_node=null;
1250 HashSet tovisit=new HashSet();
1251 HashSet visited=new HashSet();
1252 tovisit.add(fm.getNext(0));
1253 while(current_node!=null||!tovisit.isEmpty()) {
1254 if (current_node==null) {
1255 current_node=(FlatNode)tovisit.iterator().next();
1256 tovisit.remove(current_node);
1258 visited.add(current_node);
1259 if (nodetolabel.containsKey(current_node))
1260 output.println("L"+nodetolabel.get(current_node)+":");
1261 if (state.INSTRUCTIONFAILURE) {
1263 output.println("if ((++instructioncount)>failurecount) {instructioncount=0;injectinstructionfailure();}");
1266 output.println("if ((--instructioncount)==0) injectinstructionfailure();");
1268 if (current_node.numNext()==0) {
1270 generateFlatNode(fm, lb, current_node, output);
1271 if (current_node.kind()!=FKind.FlatReturnNode) {
1272 output.println(" return;");
1275 } else if(current_node.numNext()==1) {
1277 generateFlatNode(fm, lb, current_node, output);
1278 FlatNode nextnode=current_node.getNext(0);
1279 if (visited.contains(nextnode)) {
1280 output.println("goto L"+nodetolabel.get(nextnode)+";");
1283 current_node=nextnode;
1284 } else if (current_node.numNext()==2) {
1287 generateFlatCondBranch(fm, lb, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
1288 if (!visited.contains(current_node.getNext(1)))
1289 tovisit.add(current_node.getNext(1));
1290 if (visited.contains(current_node.getNext(0))) {
1291 output.println("goto L"+nodetolabel.get(current_node.getNext(0))+";");
1294 current_node=current_node.getNext(0);
1295 } else throw new Error();
1298 output.println("}\n\n");
1301 /** This method assigns labels to FlatNodes */
1303 private Hashtable<FlatNode, Integer> assignLabels(FlatMethod fm) {
1304 HashSet tovisit=new HashSet();
1305 HashSet visited=new HashSet();
1307 Hashtable<FlatNode, Integer> nodetolabel=new Hashtable<FlatNode, Integer>();
1308 tovisit.add(fm.getNext(0));
1310 /*Assign labels first. A node needs a label if the previous
1311 * node has two exits or this node is a join point. */
1313 while(!tovisit.isEmpty()) {
1314 FlatNode fn=(FlatNode)tovisit.iterator().next();
1317 for(int i=0;i<fn.numNext();i++) {
1318 FlatNode nn=fn.getNext(i);
1320 //1) Edge >1 of node
1321 nodetolabel.put(nn,new Integer(labelindex++));
1323 if (!visited.contains(nn)&&!tovisit.contains(nn)) {
1327 nodetolabel.put(nn,new Integer(labelindex++));
1335 /** Generate text string that corresponds to the TempDescriptor td. */
1336 private String generateTemp(FlatMethod fm, TempDescriptor td, LocalityBinding lb) {
1337 MethodDescriptor md=fm.getMethod();
1338 TaskDescriptor task=fm.getTask();
1339 TempObject objecttemps=(TempObject) tempstable.get(lb!=null?lb:md!=null?md:task);
1341 if (objecttemps.isLocalPrim(td)||objecttemps.isParamPrim(td)) {
1342 return td.getSafeSymbol();
1345 if (objecttemps.isLocalPtr(td)) {
1346 return localsprefix+"."+td.getSafeSymbol();
1349 if (objecttemps.isParamPtr(td)) {
1350 return paramsprefix+"->"+td.getSafeSymbol();
1355 private void generateFlatNode(FlatMethod fm, LocalityBinding lb, FlatNode fn, PrintWriter output) {
1357 case FKind.FlatAtomicEnterNode:
1358 generateFlatAtomicEnterNode(fm, lb, (FlatAtomicEnterNode) fn, output);
1360 case FKind.FlatAtomicExitNode:
1361 generateFlatAtomicExitNode(fm, lb, (FlatAtomicExitNode) fn, output);
1363 case FKind.FlatGlobalConvNode:
1364 generateFlatGlobalConvNode(fm, lb, (FlatGlobalConvNode) fn, output);
1366 case FKind.FlatTagDeclaration:
1367 generateFlatTagDeclaration(fm, lb, (FlatTagDeclaration) fn,output);
1369 case FKind.FlatCall:
1370 generateFlatCall(fm, lb, (FlatCall) fn,output);
1372 case FKind.FlatFieldNode:
1373 generateFlatFieldNode(fm, lb, (FlatFieldNode) fn,output);
1375 case FKind.FlatElementNode:
1376 generateFlatElementNode(fm, lb, (FlatElementNode) fn,output);
1378 case FKind.FlatSetElementNode:
1379 generateFlatSetElementNode(fm, lb, (FlatSetElementNode) fn,output);
1381 case FKind.FlatSetFieldNode:
1382 generateFlatSetFieldNode(fm, lb, (FlatSetFieldNode) fn,output);
1385 generateFlatNew(fm, lb, (FlatNew) fn,output);
1387 case FKind.FlatOpNode:
1388 generateFlatOpNode(fm, lb, (FlatOpNode) fn,output);
1390 case FKind.FlatCastNode:
1391 generateFlatCastNode(fm, lb, (FlatCastNode) fn,output);
1393 case FKind.FlatLiteralNode:
1394 generateFlatLiteralNode(fm, lb, (FlatLiteralNode) fn,output);
1396 case FKind.FlatReturnNode:
1397 generateFlatReturnNode(fm, lb, (FlatReturnNode) fn,output);
1400 output.println("/* nop */");
1402 case FKind.FlatBackEdge:
1403 if ((state.THREAD||state.DSM)&&GENERATEPRECISEGC) {
1404 output.println("checkcollect(&"+localsprefix+");");
1406 output.println("/* nop */");
1408 case FKind.FlatCheckNode:
1409 generateFlatCheckNode(fm, lb, (FlatCheckNode) fn, output);
1411 case FKind.FlatFlagActionNode:
1412 generateFlatFlagActionNode(fm, lb, (FlatFlagActionNode) fn, output);
1419 public void generateFlatGlobalConvNode(FlatMethod fm, LocalityBinding lb, FlatGlobalConvNode fgcn, PrintWriter output) {
1420 if (lb!=fgcn.getLocality())
1422 /* Have to generate flat globalconv */
1423 if (fgcn.getMakePtr()) {
1424 output.println(generateTemp(fm, fgcn.getSrc(),lb)+"=(void *)transRead(trans, (unsigned int) "+generateTemp(fm, fgcn.getSrc(),lb)+");");
1426 /* Need to convert to OID */
1427 output.println(generateTemp(fm, fgcn.getSrc(),lb)+"=(void *)COMPOID("+generateTemp(fm, fgcn.getSrc(),lb)+");");
1431 public void generateFlatAtomicEnterNode(FlatMethod fm, LocalityBinding lb, FlatAtomicEnterNode faen, PrintWriter output) {
1432 /* Check to see if we need to generate code for this atomic */
1433 if (locality.getAtomic(lb).get(faen.getPrev(0)).intValue()>0)
1435 /* Backup the temps. */
1436 for(Iterator<TempDescriptor> tmpit=locality.getTemps(lb).get(faen).iterator();tmpit.hasNext();) {
1437 TempDescriptor tmp=tmpit.next();
1438 output.println(generateTemp(fm, backuptable.get(tmp),lb)+"="+generateTemp(fm,tmp,lb)+";");
1440 output.println("goto transstart"+faen.getIdentifier()+";");
1442 /******* Print code to retry aborted transaction *******/
1443 output.println("transretry"+faen.getIdentifier()+":");
1446 for(Iterator<TempDescriptor> tmpit=locality.getTemps(lb).get(faen).iterator();tmpit.hasNext();) {
1447 TempDescriptor tmp=tmpit.next();
1448 output.println(generateTemp(fm, tmp,lb)+"="+generateTemp(fm,backuptable.get(tmp),lb)+";");
1451 /********* Need to revert local object store ********/
1452 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
1454 output.println("while ("+revertptr+") {");
1455 output.println("struct ___Object___ * tmpptr;");
1456 output.println("tmpptr="+revertptr+"->"+nextobjstr+";");
1457 output.println("REVERT_OBJ("+revertptr+");");
1458 output.println(revertptr+"=tmpptr;");
1459 output.println("}");
1461 /******* Tell the runtime to start the transaction *******/
1463 output.println("transstart"+faen.getIdentifier()+":");
1464 output.println("trans=transStart();");
1467 public void generateFlatAtomicExitNode(FlatMethod fm, LocalityBinding lb, FlatAtomicExitNode faen, PrintWriter output) {
1468 /* Check to see if we need to generate code for this atomic */
1469 if (locality.getAtomic(lb).get(faen).intValue()>0)
1471 //store the revert list before we lose the transaction object
1472 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
1473 output.println(revertptr+"=trans->revertlist;");
1474 output.println("if (transCommit(trans)) {");
1475 /* Transaction aborts if it returns true */
1476 output.println("goto transretry"+faen.getAtomicEnter().getIdentifier()+";");
1477 output.println("} else {");
1478 /* Need to commit local object store */
1479 output.println("while ("+revertptr+") {");
1480 output.println("struct ___Object___ * tmpptr;");
1481 output.println("tmpptr="+revertptr+"->"+nextobjstr+";");
1482 output.println("COMMIT_OBJ("+revertptr+");");
1483 output.println(revertptr+"=tmpptr;");
1484 output.println("}");
1485 output.println("}");
1488 private void generateFlatCheckNode(FlatMethod fm, LocalityBinding lb, FlatCheckNode fcn, PrintWriter output) {
1489 if (state.CONSCHECK) {
1490 String specname=fcn.getSpec();
1491 String varname="repairstate___";
1492 output.println("{");
1493 output.println("struct "+specname+"_state * "+varname+"=allocate"+specname+"_state();");
1495 TempDescriptor[] temps=fcn.getTemps();
1496 String[] vars=fcn.getVars();
1497 for(int i=0;i<temps.length;i++) {
1498 output.println(varname+"->"+vars[i]+"=(unsigned int)"+generateTemp(fm, temps[i],lb)+";");
1501 output.println("if (doanalysis"+specname+"("+varname+")) {");
1502 output.println("free"+specname+"_state("+varname+");");
1503 output.println("} else {");
1504 output.println("/* Bad invariant */");
1505 output.println("free"+specname+"_state("+varname+");");
1506 output.println("abort_task();");
1507 output.println("}");
1508 output.println("}");
1512 private void generateFlatCall(FlatMethod fm, LocalityBinding lb, FlatCall fc, PrintWriter output) {
1513 MethodDescriptor md=fc.getMethod();
1514 ParamsObject objectparams=(ParamsObject)paramstable.get(state.DSM?locality.getBinding(lb, fc):md);
1515 ClassDescriptor cn=md.getClassDesc();
1516 output.println("{");
1517 if (GENERATEPRECISEGC) {
1519 LocalityBinding fclb=locality.getBinding(lb, fc);
1520 output.print(" struct "+cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
1522 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
1524 output.print(objectparams.numPointers());
1525 output.print(", & "+localsprefix);
1526 if (fc.getThis()!=null) {
1528 output.print("(struct "+md.getThis().getType().getSafeSymbol() +" *)"+ generateTemp(fm,fc.getThis(),lb));
1530 for(int i=0;i<fc.numArgs();i++) {
1531 Descriptor var=md.getParameter(i);
1532 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
1533 if (objectparams.isParamPtr(paramtemp)) {
1534 TempDescriptor targ=fc.getArg(i);
1536 TypeDescriptor td=md.getParamType(i);
1538 output.print("(struct "+(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol() +" *)"+generateTemp(fm, targ,lb));
1540 output.print("(struct "+md.getParamType(i).getSafeSymbol() +" *)"+generateTemp(fm, targ,lb));
1543 output.println("};");
1548 if (fc.getReturnTemp()!=null)
1549 output.print(generateTemp(fm,fc.getReturnTemp(),lb)+"=");
1551 /* Do we need to do virtual dispatch? */
1552 if (md.isStatic()||md.getReturnType()==null||singleCall(fc.getThis().getType().getClassDesc(),md)) {
1555 LocalityBinding fclb=locality.getBinding(lb, fc);
1556 output.print(cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
1558 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
1563 if (md.getReturnType().isClass()||md.getReturnType().isArray())
1564 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1566 output.print(md.getReturnType().getSafeSymbol()+" ");
1567 output.print("(*)(");
1569 boolean printcomma=false;
1570 if (GENERATEPRECISEGC) {
1572 LocalityBinding fclb=locality.getBinding(lb, fc);
1573 output.print("struct "+cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
1575 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
1579 for(int i=0;i<objectparams.numPrimitives();i++) {
1580 TempDescriptor temp=objectparams.getPrimitive(i);
1584 if (temp.getType().isClass()||temp.getType().isArray())
1585 output.print("struct " + temp.getType().getSafeSymbol()+" * ");
1587 output.print(temp.getType().getSafeSymbol());
1591 LocalityBinding fclb=locality.getBinding(lb, fc);
1592 output.print("))virtualtable["+generateTemp(fm,fc.getThis(),lb)+"->type*"+maxcount+"+"+virtualcalls.getLocalityNumber(fclb)+"])");
1594 output.print("))virtualtable["+generateTemp(fm,fc.getThis(),lb)+"->type*"+maxcount+"+"+virtualcalls.getMethodNumber(md)+"])");
1598 boolean needcomma=false;
1599 if (GENERATEPRECISEGC) {
1600 output.print("&__parameterlist__");
1604 if (state.DSM&&locality.getBinding(lb,fc).isAtomic()) {
1607 output.print("trans");
1611 if (!GENERATEPRECISEGC) {
1612 if (fc.getThis()!=null) {
1613 TypeDescriptor ptd=md.getThis().getType();
1616 if (ptd.isClass()&&!ptd.isArray())
1617 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
1618 output.print(generateTemp(fm,fc.getThis(),lb));
1623 for(int i=0;i<fc.numArgs();i++) {
1624 Descriptor var=md.getParameter(i);
1625 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
1626 if (objectparams.isParamPrim(paramtemp)) {
1627 TempDescriptor targ=fc.getArg(i);
1631 TypeDescriptor ptd=md.getParamType(i);
1632 if (ptd.isClass()&&!ptd.isArray())
1633 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
1634 output.print(generateTemp(fm, targ,lb));
1638 output.println(");");
1639 output.println(" }");
1642 private boolean singleCall(ClassDescriptor thiscd, MethodDescriptor md) {
1643 Set subclasses=typeutil.getSubClasses(thiscd);
1644 if (subclasses==null)
1646 for(Iterator classit=subclasses.iterator();classit.hasNext();) {
1647 ClassDescriptor cd=(ClassDescriptor)classit.next();
1648 Set possiblematches=cd.getMethodTable().getSet(md.getSymbol());
1649 for(Iterator matchit=possiblematches.iterator();matchit.hasNext();) {
1650 MethodDescriptor matchmd=(MethodDescriptor)matchit.next();
1651 if (md.matches(matchmd))
1658 private void generateFlatFieldNode(FlatMethod fm, LocalityBinding lb, FlatFieldNode ffn, PrintWriter output) {
1660 Integer status=locality.getNodePreTempInfo(lb,ffn).get(ffn.getSrc());
1661 if (status==LocalityAnalysis.GLOBAL) {
1662 String field=ffn.getField().getSafeSymbol();
1663 String src=generateTemp(fm, ffn.getSrc(),lb);
1664 String dst=generateTemp(fm, ffn.getDst(),lb);
1666 if (ffn.getField().getType().isPtr()) {
1668 //TODO: Uncomment this when we have runtime support
1669 //if (ffn.getSrc()==ffn.getDst()) {
1670 //output.println("{");
1671 //output.println("void * temp="+src+";");
1672 //output.println("if (temp&0x1) {");
1673 //output.println("temp=(void *) transRead(trans, (unsigned int) temp);");
1674 //output.println(src+"->"+field+"="+temp+";");
1675 //output.println("}");
1676 //output.println(dst+"=temp;");
1677 //output.println("}");
1679 output.println(dst+"="+ src +"->"+field+ ";");
1680 //output.println("if ("+dst+"&0x1) {");
1681 output.println(dst+"=(void *) transRead(trans, (unsigned int) "+dst+");");
1682 //output.println(src+"->"+field+"="+src+"->"+field+";");
1683 //output.println("}");
1686 output.println(dst+"="+ src+"->"+field+";");
1688 } else if (status==LocalityAnalysis.LOCAL) {
1689 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
1690 } else if (status==LocalityAnalysis.EITHER) {
1691 //Code is reading from a null pointer
1692 output.println("if ("+generateTemp(fm, ffn.getSrc(),lb)+") {");
1693 output.println("printf(\"BIG ERROR\n\");exit(-1);}");
1694 //This should throw a suitable null pointer error
1695 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
1697 throw new Error("Read from non-global/non-local in:"+lb.getExplanation());
1699 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
1702 private void generateFlatSetFieldNode(FlatMethod fm, LocalityBinding lb, FlatSetFieldNode fsfn, PrintWriter output) {
1703 if (fsfn.getField().getSymbol().equals("length")&&fsfn.getDst().getType().isArray())
1704 throw new Error("Can't set array length");
1705 if (state.DSM && locality.getAtomic(lb).get(fsfn).intValue()>0) {
1706 Integer statussrc=locality.getNodePreTempInfo(lb,fsfn).get(fsfn.getSrc());
1707 Integer statusdst=locality.getNodeTempInfo(lb).get(fsfn).get(fsfn.getDst());
1708 boolean srcglobal=statussrc==LocalityAnalysis.GLOBAL;
1710 String src=generateTemp(fm,fsfn.getSrc(),lb);
1711 String dst=generateTemp(fm,fsfn.getDst(),lb);
1713 output.println("{");
1714 output.println("int srcoid="+src+"->"+oidstr+";");
1716 if (statusdst.equals(LocalityAnalysis.GLOBAL)) {
1719 output.println("*((unsigned int *)&("+dst+"->___localcopy___))|=DIRTY;");
1721 output.println("*((unsigned int *)&("+glbdst+"->"+ fsfn.getField().getSafeSymbol()+"))=srcoid;");
1722 output.println("}");
1724 output.println(glbdst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
1725 } else if (statusdst.equals(LocalityAnalysis.LOCAL)) {
1726 /** Check if we need to copy */
1727 output.println("if(!"+dst+"->"+localcopystr+") {");
1728 /* Link object into list */
1729 output.println(dst+"->"+nextobjstr+"=trans->localtrans;");
1730 output.println("trans->localtrans="+dst+";");
1731 if (GENERATEPRECISEGC)
1732 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
1734 output.println("COPY_OBJ("+dst+");");
1735 output.println("}");
1737 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"=srcoid;");
1739 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
1740 } else if (statusdst.equals(LocalityAnalysis.EITHER)) {
1741 //writing to a null...bad
1742 output.println("if ("+dst+") {");
1743 output.println("printf(\"BIG ERROR 2\n\");exit(-1);}");
1745 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"=srcoid;");
1747 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
1750 output.println("}");
1753 output.println(generateTemp(fm, fsfn.getDst(),lb)+"->"+ fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc(),lb)+";");
1757 private void generateFlatElementNode(FlatMethod fm, LocalityBinding lb, FlatElementNode fen, PrintWriter output) {
1758 TypeDescriptor elementtype=fen.getSrc().getType().dereference();
1761 if (elementtype.isArray()||elementtype.isClass())
1764 type=elementtype.getSafeSymbol()+" ";
1766 if (fen.needsBoundsCheck()) {
1767 output.println("if ("+generateTemp(fm, fen.getIndex(),lb)+"< 0 || "+generateTemp(fm, fen.getIndex(),lb)+" >= "+generateTemp(fm,fen.getSrc(),lb) + "->___length___)");
1768 output.println("failedboundschk();");
1771 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
1774 private void generateFlatSetElementNode(FlatMethod fm, LocalityBinding lb, FlatSetElementNode fsen, PrintWriter output) {
1775 //TODO: need dynamic check to make sure this assignment is actually legal
1776 //Because Object[] could actually be something more specific...ie. Integer[]
1778 TypeDescriptor elementtype=fsen.getDst().getType().dereference();
1781 if (elementtype.isArray()||elementtype.isClass())
1784 type=elementtype.getSafeSymbol()+" ";
1786 if (fsen.needsBoundsCheck()) {
1787 output.println("if ("+generateTemp(fm, fsen.getIndex(),lb)+"< 0 || "+generateTemp(fm, fsen.getIndex(),lb)+" >= "+generateTemp(fm,fsen.getDst(),lb) + "->___length___)");
1788 output.println("failedboundschk();");
1791 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
1794 private void generateFlatNew(FlatMethod fm, LocalityBinding lb, FlatNew fn, PrintWriter output) {
1795 if (fn.getType().isArray()) {
1796 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
1797 if (fn.isGlobal()) {
1798 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarrayglobal(trans, "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
1799 } else if (GENERATEPRECISEGC) {
1800 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray(&"+localsprefix+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
1802 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray("+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
1805 if (fn.isGlobal()) {
1806 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newglobal(trans, "+fn.getType().getClassDesc().getId()+");");
1807 } else if (GENERATEPRECISEGC) {
1808 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new(&"+localsprefix+", "+fn.getType().getClassDesc().getId()+");");
1810 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new("+fn.getType().getClassDesc().getId()+");");
1815 private void generateFlatTagDeclaration(FlatMethod fm, LocalityBinding lb, FlatTagDeclaration fn, PrintWriter output) {
1816 if (GENERATEPRECISEGC) {
1817 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_tag(&"+localsprefix+", "+state.getTagId(fn.getType())+");");
1819 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_tag("+state.getTagId(fn.getType())+");");
1823 private void generateFlatOpNode(FlatMethod fm, LocalityBinding lb, FlatOpNode fon, PrintWriter output) {
1824 if (fon.getRight()!=null)
1825 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+fon.getOp().toString()+generateTemp(fm,fon.getRight(),lb)+";");
1826 else if (fon.getOp().getOp()==Operation.ASSIGN)
1827 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+";");
1828 else if (fon.getOp().getOp()==Operation.UNARYPLUS)
1829 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+";");
1830 else if (fon.getOp().getOp()==Operation.UNARYMINUS)
1831 output.println(generateTemp(fm, fon.getDest(),lb)+" = -"+generateTemp(fm, fon.getLeft(),lb)+";");
1832 else if (fon.getOp().getOp()==Operation.LOGIC_NOT)
1833 output.println(generateTemp(fm, fon.getDest(),lb)+" = !"+generateTemp(fm, fon.getLeft(),lb)+";");
1834 else if (fon.getOp().getOp()==Operation.ISAVAILABLE) {
1835 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+"->fses==NULL;");
1837 output.println(generateTemp(fm, fon.getDest(),lb)+fon.getOp().toString()+generateTemp(fm, fon.getLeft(),lb)+";");
1840 private void generateFlatCastNode(FlatMethod fm, LocalityBinding lb, FlatCastNode fcn, PrintWriter output) {
1841 /* TODO: Do type check here */
1842 if (fcn.getType().isArray()) {
1844 } else if (fcn.getType().isClass())
1845 output.println(generateTemp(fm,fcn.getDst(),lb)+"=(struct "+fcn.getType().getSafeSymbol()+" *)"+generateTemp(fm,fcn.getSrc(),lb)+";");
1847 output.println(generateTemp(fm,fcn.getDst(),lb)+"=("+fcn.getType().getSafeSymbol()+")"+generateTemp(fm,fcn.getSrc(),lb)+";");
1850 private void generateFlatLiteralNode(FlatMethod fm, LocalityBinding lb, FlatLiteralNode fln, PrintWriter output) {
1851 if (fln.getValue()==null)
1852 output.println(generateTemp(fm, fln.getDst(),lb)+"=0;");
1853 else if (fln.getType().getSymbol().equals(TypeUtil.StringClass)) {
1854 if (GENERATEPRECISEGC) {
1855 output.println(generateTemp(fm, fln.getDst(),lb)+"=NewString(&"+localsprefix+", \""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
1857 output.println(generateTemp(fm, fln.getDst(),lb)+"=NewString(\""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
1859 } else if (fln.getType().isBoolean()) {
1860 if (((Boolean)fln.getValue()).booleanValue())
1861 output.println(generateTemp(fm, fln.getDst(),lb)+"=1;");
1863 output.println(generateTemp(fm, fln.getDst(),lb)+"=0;");
1864 } else if (fln.getType().isChar()) {
1865 String st=FlatLiteralNode.escapeString(fln.getValue().toString());
1866 output.println(generateTemp(fm, fln.getDst(),lb)+"='"+st+"';");
1868 output.println(generateTemp(fm, fln.getDst(),lb)+"="+fln.getValue()+";");
1871 private void generateFlatReturnNode(FlatMethod fm, LocalityBinding lb, FlatReturnNode frn, PrintWriter output) {
1872 if (frn.getReturnTemp()!=null)
1873 output.println("return "+generateTemp(fm, frn.getReturnTemp(), lb)+";");
1875 output.println("return;");
1878 private void generateFlatCondBranch(FlatMethod fm, LocalityBinding lb, FlatCondBranch fcb, String label, PrintWriter output) {
1879 output.println("if (!"+generateTemp(fm, fcb.getTest(),lb)+") goto "+label+";");
1882 /** This method generates header information for the method or
1883 * task referenced by the Descriptor des. */
1885 private void generateHeader(FlatMethod fm, LocalityBinding lb, Descriptor des, PrintWriter output) {
1887 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null?lb:des);
1888 MethodDescriptor md=null;
1889 TaskDescriptor task=null;
1890 if (des instanceof MethodDescriptor)
1891 md=(MethodDescriptor) des;
1893 task=(TaskDescriptor) des;
1895 ClassDescriptor cn=md!=null?md.getClassDesc():null;
1897 if (md!=null&&md.getReturnType()!=null) {
1898 if (md.getReturnType().isClass()||md.getReturnType().isArray())
1899 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1901 output.print(md.getReturnType().getSafeSymbol()+" ");
1903 //catch the constructor case
1904 output.print("void ");
1907 output.print(cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1909 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1911 output.print(task.getSafeSymbol()+"(");
1913 boolean printcomma=false;
1914 if (GENERATEPRECISEGC) {
1917 output.print("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1919 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1921 output.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
1925 if (state.DSM&&lb.isAtomic()) {
1928 output.print("transrecord_t * trans");
1934 for(int i=0;i<objectparams.numPrimitives();i++) {
1935 TempDescriptor temp=objectparams.getPrimitive(i);
1939 if (temp.getType().isClass()||temp.getType().isArray())
1940 output.print("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1942 output.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1944 output.println(") {");
1945 } else if (!GENERATEPRECISEGC) {
1946 /* Imprecise Task */
1947 output.println("void * parameterarray[]) {");
1948 /* Unpack variables */
1949 for(int i=0;i<objectparams.numPrimitives();i++) {
1950 TempDescriptor temp=objectparams.getPrimitive(i);
1951 output.println("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+"=parameterarray["+i+"];");
1953 for(int i=0;i<fm.numTags();i++) {
1954 TempDescriptor temp=fm.getTag(i);
1955 int offset=i+objectparams.numPrimitives();
1956 output.println("struct ___TagDescriptor___ * "+temp.getSafeSymbol()+"=parameterarray["+offset+"];");
1959 if ((objectparams.numPrimitives()+fm.numTags())>maxtaskparams)
1960 maxtaskparams=objectparams.numPrimitives()+fm.numTags();
1961 } else output.println(") {");
1964 public void generateFlatFlagActionNode(FlatMethod fm, LocalityBinding lb, FlatFlagActionNode ffan, PrintWriter output) {
1965 output.println("/* FlatFlagActionNode */");
1968 /* Process tag changes */
1969 Relation tagsettable=new Relation();
1970 Relation tagcleartable=new Relation();
1972 Iterator tagsit=ffan.getTempTagPairs();
1973 while (tagsit.hasNext()) {
1974 TempTagPair ttp=(TempTagPair) tagsit.next();
1975 TempDescriptor objtmp=ttp.getTemp();
1976 TagDescriptor tag=ttp.getTag();
1977 TempDescriptor tagtmp=ttp.getTagTemp();
1978 boolean tagstatus=ffan.getTagChange(ttp);
1980 tagsettable.put(objtmp, tagtmp);
1982 tagcleartable.put(objtmp, tagtmp);
1987 Hashtable flagandtable=new Hashtable();
1988 Hashtable flagortable=new Hashtable();
1990 /* Process flag changes */
1991 Iterator flagsit=ffan.getTempFlagPairs();
1992 while(flagsit.hasNext()) {
1993 TempFlagPair tfp=(TempFlagPair)flagsit.next();
1994 TempDescriptor temp=tfp.getTemp();
1995 Hashtable flagtable=(Hashtable)flagorder.get(temp.getType().getClassDesc());
1996 FlagDescriptor flag=tfp.getFlag();
1998 //Newly allocate objects that don't set any flags case
1999 if (flagortable.containsKey(temp)) {
2003 flagortable.put(temp,new Integer(mask));
2005 int flagid=1<<((Integer)flagtable.get(flag)).intValue();
2006 boolean flagstatus=ffan.getFlagChange(tfp);
2009 if (flagortable.containsKey(temp)) {
2010 mask=((Integer)flagortable.get(temp)).intValue();
2013 flagortable.put(temp,new Integer(mask));
2015 int mask=0xFFFFFFFF;
2016 if (flagandtable.containsKey(temp)) {
2017 mask=((Integer)flagandtable.get(temp)).intValue();
2019 mask&=(0xFFFFFFFF^flagid);
2020 flagandtable.put(temp,new Integer(mask));
2026 HashSet flagtagset=new HashSet();
2027 flagtagset.addAll(flagortable.keySet());
2028 flagtagset.addAll(flagandtable.keySet());
2029 flagtagset.addAll(tagsettable.keySet());
2030 flagtagset.addAll(tagcleartable.keySet());
2032 Iterator ftit=flagtagset.iterator();
2033 while(ftit.hasNext()) {
2034 TempDescriptor temp=(TempDescriptor)ftit.next();
2037 Set tagtmps=tagcleartable.get(temp);
2038 if (tagtmps!=null) {
2039 Iterator tagit=tagtmps.iterator();
2040 while(tagit.hasNext()) {
2041 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
2042 if (GENERATEPRECISEGC)
2043 output.println("tagclear(&"+localsprefix+", (struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2045 output.println("tagclear((struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2049 tagtmps=tagsettable.get(temp);
2050 if (tagtmps!=null) {
2051 Iterator tagit=tagtmps.iterator();
2052 while(tagit.hasNext()) {
2053 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
2054 if (GENERATEPRECISEGC)
2055 output.println("tagset(&"+localsprefix+", (struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2057 output.println("tagset((struct ___Object___ *)"+generateTemp(fm, temp, lb)+", "+generateTemp(fm,tagtmp, lb)+");");
2062 int andmask=0xFFFFFFF;
2064 if (flagortable.containsKey(temp))
2065 ormask=((Integer)flagortable.get(temp)).intValue();
2066 if (flagandtable.containsKey(temp))
2067 andmask=((Integer)flagandtable.get(temp)).intValue();
2068 if (ffan.getTaskType()==FlatFlagActionNode.NEWOBJECT) {
2069 output.println("flagorandinit("+generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
2071 output.println("flagorand("+generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
2076 void generateOptionalHeader(PrintWriter headers) {
2079 headers.println("#include \"task.h\"\n\n");
2080 headers.println("#ifndef _OPTIONAL_STRUCT_");
2081 headers.println("#define _OPTIONAL_STRUCT_");
2083 //STRUCT PREDICATEMEMBER
2084 headers.println("struct predicatemember{");
2085 headers.println("int type;");
2086 headers.println("int numdnfterms;");
2087 headers.println("int * flags;");
2088 headers.println("int numtags;");
2089 headers.println("int * tags;\n};\n\n");
2091 //STRUCT OPTIONALTASKDESCRIPTOR
2092 headers.println("struct optionaltaskdescriptor{");
2093 headers.println("struct taskdescriptor * task;");
2094 headers.println("int index;");
2095 headers.println("int numenterflags;");
2096 headers.println("int * enterflags;");
2097 headers.println("int numpredicatemembers;");
2098 headers.println("struct predicatemember ** predicatememberarray;");
2099 headers.println("};\n\n");
2101 //STRUCT TASKFAILURE
2102 headers.println("struct taskfailure {");
2103 headers.println("struct taskdescriptor * task;");
2104 headers.println("int index;");
2105 headers.println("int numoptionaltaskdescriptors;");
2106 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
2108 //STRUCT FSANALYSISWRAPPER
2109 headers.println("struct fsanalysiswrapper{");
2110 headers.println("int flags;");
2111 headers.println("int numtags;");
2112 headers.println("int * tags;");
2113 headers.println("int numtaskfailures;");
2114 headers.println("struct taskfailure ** taskfailurearray;");
2115 headers.println("int numoptionaltaskdescriptors;");
2116 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
2118 //STRUCT CLASSANALYSISWRAPPER
2119 headers.println("struct classanalysiswrapper{");
2120 headers.println("int type;");
2121 headers.println("int numotd;");
2122 headers.println("struct optionaltaskdescriptor ** otdarray;");
2123 headers.println("int numfsanalysiswrappers;");
2124 headers.println("struct fsanalysiswrapper ** fsanalysiswrapperarray;\n};");
2126 headers.println("extern struct classanalysiswrapper * classanalysiswrapperarray[];");
2128 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
2129 while(taskit.hasNext()) {
2130 TaskDescriptor td=(TaskDescriptor)taskit.next();
2131 headers.println("extern struct taskdescriptor task_"+td.getSafeSymbol()+";");
2136 int generateOptionalPredicate(Predicate predicate, OptionalTaskDescriptor otd, ClassDescriptor cdtemp, PrintWriter output) {
2137 int predicateindex = 0;
2138 //iterate through the classes concerned by the predicate
2139 Set c_vard = predicate.vardescriptors;
2140 Hashtable<TempDescriptor, Integer> slotnumber=new Hashtable<TempDescriptor, Integer>();
2143 for(Iterator vard_it = c_vard.iterator(); vard_it.hasNext();){
2144 VarDescriptor vard = (VarDescriptor)vard_it.next();
2145 TypeDescriptor typed = vard.getType();
2147 //generate for flags
2148 HashSet fen_hashset = predicate.flags.get(vard.getSymbol());
2149 output.println("int predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2151 if (fen_hashset!=null){
2152 for (Iterator fen_it = fen_hashset.iterator(); fen_it.hasNext();){
2153 FlagExpressionNode fen = (FlagExpressionNode)fen_it.next();
2155 DNFFlag dflag=fen.getDNF();
2156 numberterms+=dflag.size();
2158 Hashtable flags=(Hashtable)flagorder.get(typed.getClassDesc());
2160 for(int j=0;j<dflag.size();j++) {
2162 output.println(",");
2163 Vector term=dflag.get(j);
2166 for(int k=0;k<term.size();k++) {
2167 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
2168 FlagDescriptor fd=dfa.getFlag();
2169 boolean negated=dfa.getNegated();
2170 int flagid=1<<((Integer)flags.get(fd)).intValue();
2175 output.print("/*andmask*/0x"+Integer.toHexString(andmask)+", /*checkmask*/0x"+Integer.toHexString(checkmask));
2180 output.println("};\n");
2183 TagExpressionList tagel = predicate.tags.get(vard.getSymbol());
2184 output.println("int predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2187 for(int j=0;j<tagel.numTags();j++) {
2189 output.println(",");
2190 TempDescriptor tmp=tagel.getTemp(j);
2191 if (!slotnumber.containsKey(tmp)) {
2192 Integer slotint=new Integer(current_slot++);
2193 slotnumber.put(tmp,slotint);
2195 int slot=slotnumber.get(tmp).intValue();
2196 output.println("/* slot */"+ slot+", /*tagid*/"+state.getTagId(tmp.getTag()));
2198 numtags = tagel.numTags();
2200 output.println("};");
2202 //store the result into a predicatemember struct
2203 output.println("struct predicatemember predicatemember_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
2204 output.println("/*type*/"+typed.getClassDesc().getId()+",");
2205 output.println("/* number of dnf terms */"+numberterms+",");
2206 output.println("predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2207 output.println("/* number of tag */"+numtags+",");
2208 output.println("predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2209 output.println("};\n");
2214 //generate an array that stores the entire predicate
2215 output.println("struct predicatemember * predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2216 for( int j = 0; j<predicateindex; j++){
2217 if( j != predicateindex-1)output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2218 else output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
2220 output.println("};\n");
2221 return predicateindex;
2225 void generateOptionalArrays(PrintWriter output, PrintWriter headers, Hashtable<ClassDescriptor, Hashtable<FlagState, Set<OptionalTaskDescriptor>>> safeexecution, Hashtable optionaltaskdescriptors) {
2226 generateOptionalHeader(headers);
2228 output.println("#include \"optionalstruct.h\"\n\n");
2229 output.println("#include \"stdlib.h\"\n");
2231 HashSet processedcd = new HashSet();
2233 Enumeration e = safeexecution.keys();
2234 while (e.hasMoreElements()) {
2237 ClassDescriptor cdtemp=(ClassDescriptor)e.nextElement();
2238 Hashtable flaginfo=(Hashtable)flagorder.get(cdtemp);//will be used several times
2240 //Generate the struct of optionals
2241 Collection c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
2242 numotd = c_otd.size();
2243 if(maxotd<numotd) maxotd = numotd;
2244 if( !c_otd.isEmpty() ){
2245 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext();){
2246 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
2248 //generate the int arrays for the predicate
2249 Predicate predicate = otd.predicate;
2250 int predicateindex = generateOptionalPredicate(predicate, otd, cdtemp, output);
2251 TreeSet<Integer> fsset=new TreeSet<Integer>();
2252 //iterate through possible FSes corresponding to
2253 //the state when entering
2255 for(Iterator fses = otd.enterflagstates.iterator(); fses.hasNext();){
2256 FlagState fs = (FlagState)fses.next();
2258 for(Iterator flags = fs.getFlags(); flags.hasNext();){
2259 FlagDescriptor flagd = (FlagDescriptor)flags.next();
2260 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
2263 fsset.add(new Integer(flagid));
2264 //tag information not needed because tag
2265 //changes are not tolerated.
2268 output.println("int enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2269 boolean needcomma=false;
2270 for(Iterator<Integer> it=fsset.iterator();it.hasNext();) {
2273 output.println(it.next());
2276 output.println("};\n");
2279 //generate optionaltaskdescriptor that actually
2280 //includes exit fses, predicate and the task
2282 output.println("struct optionaltaskdescriptor optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
2283 output.println("&task_"+otd.td.getSafeSymbol()+",");
2284 output.println("/*index*/"+otd.getIndex()+",");
2285 output.println("/*number of enter flags*/"+fsset.size()+",");
2286 output.println("enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2287 output.println("/*number of members */"+predicateindex+",");
2288 output.println("predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2289 output.println("};\n");
2293 // if there is no optionals, there is no need to build the rest of the struct
2295 output.println("struct optionaltaskdescriptor * otdarray"+cdtemp.getSafeSymbol()+"[]={");
2296 c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
2297 if( !c_otd.isEmpty() ){
2298 boolean needcomma=false;
2299 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext();){
2300 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
2302 output.println(",");
2304 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
2307 output.println("};\n");
2309 //get all the possible flagstates reachable by an object
2310 Hashtable hashtbtemp = safeexecution.get(cdtemp);
2312 TreeSet fsts=new TreeSet(new FlagComparator(flaginfo));
2313 fsts.addAll(hashtbtemp.keySet());
2314 for(Iterator fsit=fsts.iterator();fsit.hasNext();) {
2315 FlagState fs = (FlagState)fsit.next();
2318 //get the set of OptionalTaskDescriptors corresponding
2319 HashSet<OptionalTaskDescriptor> availabletasks = (HashSet<OptionalTaskDescriptor>)hashtbtemp.get(fs);
2320 //iterate through the OptionalTaskDescriptors and
2321 //store the pointers to the optionals struct (see on
2322 //top) into an array
2324 output.println("struct optionaltaskdescriptor * optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[] = {");
2325 for(Iterator<OptionalTaskDescriptor> mos = ordertd(availabletasks).iterator(); mos.hasNext();){
2326 OptionalTaskDescriptor mm = mos.next();
2328 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol());
2330 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2333 output.println("};\n");
2335 //process flag information (what the flag after failure is) so we know what optionaltaskdescriptors to choose.
2338 for(Iterator flags = fs.getFlags(); flags.hasNext();){
2339 FlagDescriptor flagd = (FlagDescriptor)flags.next();
2340 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
2344 //process tag information
2347 boolean first = true;
2348 Enumeration tag_enum = fs.getTags();
2349 output.println("int tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
2350 while(tag_enum.hasMoreElements()){
2352 TagDescriptor tagd = (TagDescriptor)tag_enum.nextElement();
2356 output.println(", ");
2357 output.println("/*tagid*/"+state.getTagId(tagd));
2359 output.println("};");
2361 Set<TaskIndex> tiset=sa.getTaskIndex(fs);
2362 for(Iterator<TaskIndex> itti=tiset.iterator();itti.hasNext();) {
2363 TaskIndex ti=itti.next();
2364 Set<OptionalTaskDescriptor> otdset=sa.getOptions(fs, ti.getTask(), ti.getIndex());
2366 output.print("struct optionaltaskdescriptor * optionaltaskfailure_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array[] = {");
2367 boolean needcomma=false;
2368 for(Iterator<OptionalTaskDescriptor> otdit=ordertd(otdset).iterator();otdit.hasNext();) {
2369 OptionalTaskDescriptor otd=otdit.next();
2373 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
2375 output.println("};");
2377 output.print("struct taskfailure taskfailure_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+" = {");
2378 output.print("&task_"+ti.getTask().getSafeSymbol()+", ");
2379 output.print(ti.getIndex()+", ");
2380 output.print(otdset.size()+", ");
2381 output.print("optionaltaskfailure_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array");
2382 output.println("};");
2385 tiset=sa.getTaskIndex(fs);
2386 boolean needcomma=false;
2387 output.println("struct taskfailure * taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
2388 for(Iterator<TaskIndex> itti=tiset.iterator();itti.hasNext();) {
2389 TaskIndex ti=itti.next();
2393 output.print("&taskfailure_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex());
2395 output.println("};\n");
2397 //Store the result in fsanalysiswrapper
2399 output.println("struct fsanalysiswrapper fsanalysiswrapper_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"={");
2400 output.println("/*flag*/"+flagid+",");
2401 output.println("/* number of tags*/"+tagcounter+",");
2402 output.println("tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
2403 output.println("/* numtask failures */"+tiset.size()+",");
2404 output.println("taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
2405 output.println("/* number of optionaltaskdescriptors */"+availabletasks.size()+",");
2406 output.println("optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol());
2407 output.println("};\n");
2411 //Build the array of fsanalysiswrappers
2412 output.println("struct fsanalysiswrapper * fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"[] = {");
2413 boolean needcomma=false;
2414 for(int i = 0; i<fscounter; i++){
2415 if (needcomma) output.print(",");
2416 output.println("&fsanalysiswrapper_FS"+(i+1)+"_"+cdtemp.getSafeSymbol());
2419 output.println("};");
2421 //Build the classanalysiswrapper referring to the previous array
2422 output.println("struct classanalysiswrapper classanalysiswrapper_"+cdtemp.getSafeSymbol()+"={");
2423 output.println("/*type*/"+cdtemp.getId()+",");
2424 output.println("/*numotd*/"+numotd+",");
2425 output.println("otdarray"+cdtemp.getSafeSymbol()+",");
2426 output.println("/* number of fsanalysiswrappers */"+fscounter+",");
2427 output.println("fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"};\n");
2428 processedcd.add(cdtemp);
2431 //build an array containing every classes for which code has been build
2432 output.println("struct classanalysiswrapper * classanalysiswrapperarray[]={");
2433 for(int i=0;i<state.numClasses();i++) {
2434 ClassDescriptor cn=cdarray[i];
2437 if (processedcd.contains(cn))
2438 output.print("&classanalysiswrapper_"+cn.getSafeSymbol());
2440 output.print("NULL");
2442 output.println("};");
2444 output.println("#define MAXOTD "+maxotd);
2445 headers.println("#endif");
2448 public List<OptionalTaskDescriptor> ordertd(Set<OptionalTaskDescriptor> otdset) {
2449 Relation r=new Relation();
2450 for(Iterator<OptionalTaskDescriptor>otdit=otdset.iterator();otdit.hasNext();) {
2451 OptionalTaskDescriptor otd=otdit.next();
2452 TaskIndex ti=new TaskIndex(otd.td, otd.getIndex());
2456 LinkedList<OptionalTaskDescriptor> l=new LinkedList<OptionalTaskDescriptor>();
2457 for(Iterator it=r.keySet().iterator();it.hasNext();) {
2458 Set s=r.get(it.next());
2459 for(Iterator it2=s.iterator();it2.hasNext();) {
2460 OptionalTaskDescriptor otd=(OptionalTaskDescriptor)it2.next();