2 import IR.Tree.FlagExpressionNode;
3 import IR.Tree.DNFFlag;
4 import IR.Tree.DNFFlagAtom;
5 import IR.Tree.TagExpressionList;
10 import Analysis.TaskStateAnalysis.FlagState;
11 import Analysis.TaskStateAnalysis.OptionalTaskDescriptor;
12 import Analysis.TaskStateAnalysis.Predicate;
13 import Analysis.Locality.LocalityAnalysis;
14 import Analysis.Locality.LocalityBinding;
16 public class BuildCode {
19 Hashtable paramstable;
24 String localsprefix="___locals___";
25 String paramsprefix="___params___";
26 String oidstr="___nextobject___";
27 String nextobjstr="___nextobject___";
28 String localcopystr="___localcopy___";
29 public static boolean GENERATEPRECISEGC=false;
30 public static String PREFIX="";
31 public static String arraytype="ArrayObject";
34 private int maxtaskparams=0;
35 private int maxcount=0;
36 ClassDescriptor[] cdarray;
37 TypeDescriptor[] arraytable;
38 LocalityAnalysis locality;
39 Hashtable<TempDescriptor, TempDescriptor> backuptable;
40 Hashtable<LocalityBinding, TempDescriptor> reverttable;
42 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil) {
43 this(st, temptovar, typeutil, null);
46 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, LocalityAnalysis locality) {
48 this.temptovar=temptovar;
49 paramstable=new Hashtable();
50 tempstable=new Hashtable();
51 fieldorder=new Hashtable();
52 flagorder=new Hashtable();
53 this.typeutil=typeutil;
54 virtualcalls=new Virtual(state,locality);
56 this.locality=locality;
57 this.backuptable=new Hashtable<TempDescriptor, TempDescriptor>();
58 this.reverttable=new Hashtable<LocalityBinding, TempDescriptor>();
62 /** The buildCode method outputs C code for all the methods. The Flat
63 * versions of the methods must already be generated and stored in
64 * the State object. */
66 public void buildCode() {
67 /* Create output streams to write to */
68 PrintWriter outclassdefs=null;
69 PrintWriter outstructs=null;
70 PrintWriter outrepairstructs=null;
71 PrintWriter outmethodheader=null;
72 PrintWriter outmethod=null;
73 PrintWriter outvirtual=null;
74 PrintWriter outtask=null;
75 PrintWriter outtaskdefs=null;
76 PrintWriter outoptionalarrays=null;
77 PrintWriter optionalheaders=null;
80 outstructs=new PrintWriter(new FileOutputStream(PREFIX+"structdefs.h"), true);
81 outmethodheader=new PrintWriter(new FileOutputStream(PREFIX+"methodheaders.h"), true);
82 outclassdefs=new PrintWriter(new FileOutputStream(PREFIX+"classdefs.h"), true);
83 outmethod=new PrintWriter(new FileOutputStream(PREFIX+"methods.c"), true);
84 outvirtual=new PrintWriter(new FileOutputStream(PREFIX+"virtualtable.h"), true);
86 outtask=new PrintWriter(new FileOutputStream(PREFIX+"task.h"), true);
87 outtaskdefs=new PrintWriter(new FileOutputStream(PREFIX+"taskdefs.c"), true);
89 outoptionalarrays=new PrintWriter(new FileOutputStream(PREFIX+"optionalarrays.c"), true);
90 optionalheaders=new PrintWriter(new FileOutputStream(PREFIX+"optionalstruct.h"), true);
93 if (state.structfile!=null) {
94 outrepairstructs=new PrintWriter(new FileOutputStream(PREFIX+state.structfile+".struct"), true);
96 } catch (Exception e) {
101 /* Build the virtual dispatch tables */
102 buildVirtualTables(outvirtual);
104 /* Output includes */
105 outmethodheader.println("#ifndef METHODHEADERS_H");
106 outmethodheader.println("#define METHODHEADERS_H");
107 outmethodheader.println("#include \"structdefs.h\"");
109 /* Output Structures */
110 outputStructs(outstructs);
112 // Output the C class declarations
113 // These could mutually reference each other
114 outputClassDeclarations(outclassdefs);
116 // Output function prototypes and structures for parameters
117 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
118 while(it.hasNext()) {
119 ClassDescriptor cn=(ClassDescriptor)it.next();
120 generateCallStructs(cn, outclassdefs, outstructs, outmethodheader);
122 outclassdefs.close();
125 /* Map flags to integers */
126 /* The runtime keeps track of flags using these integers */
127 it=state.getClassSymbolTable().getDescriptorsIterator();
128 while(it.hasNext()) {
129 ClassDescriptor cn=(ClassDescriptor)it.next();
133 generateTaskStructs(outstructs, outmethodheader);
135 /* Outputs generic task structures if this is a task
137 outputTaskTypes(outtask);
140 /* Build the actual methods */
141 outputMethods(outmethod);
144 /* Output code for tasks */
145 outputTaskCode(outtaskdefs, outmethod);
147 /* Record maximum number of task parameters */
148 outstructs.println("#define MAXTASKPARAMS "+maxtaskparams);
149 } else if (state.main!=null) {
150 /* Generate main method */
151 outputMainMethod(outmethod);
154 /* Generate information for task with optional parameters */
155 if (state.TASK&&state.OPTIONAL){
156 generateOptionalArrays(outoptionalarrays, optionalheaders, state.getAnalysisResult(), state.getOptionalTaskDescriptors());
157 outoptionalarrays.close();
160 /* Output structure definitions for repair tool */
161 if (state.structfile!=null) {
162 buildRepairStructs(outrepairstructs);
163 outrepairstructs.close();
167 outmethodheader.println("#endif");
168 outmethodheader.close();
170 outstructs.println("#endif");
174 /* This code just generates the main C method for java programs.
175 * The main C method packs up the arguments into a string array
176 * and passes it to the java main method. */
178 private void outputMainMethod(PrintWriter outmethod) {
179 outmethod.println("int main(int argc, const char *argv[]) {");
180 outmethod.println(" int i;");
182 outmethod.println("if (dstmStartup(argv[1])) {");
183 if (GENERATEPRECISEGC) {
184 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-2);");
186 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-2);");
189 if (GENERATEPRECISEGC) {
190 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-1);");
192 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-1);");
196 outmethod.println("initializethreads();");
199 outmethod.println(" for(i=2;i<argc;i++) {");
201 outmethod.println(" for(i=1;i<argc;i++) {");
202 outmethod.println(" int length=strlen(argv[i]);");
203 if (GENERATEPRECISEGC) {
204 outmethod.println(" struct ___String___ *newstring=NewString(NULL, argv[i], length);");
206 outmethod.println(" struct ___String___ *newstring=NewString(argv[i], length);");
209 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-2]=newstring;");
211 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-1]=newstring;");
212 outmethod.println(" }");
215 MethodDescriptor md=typeutil.getMain();
216 ClassDescriptor cd=typeutil.getMainClass();
218 outmethod.println(" {");
219 if (GENERATEPRECISEGC) {
221 outmethod.print(" struct "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
223 outmethod.print(" struct "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
224 outmethod.println("1, NULL,"+"stringarray};");
226 outmethod.println(" "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
228 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
231 outmethod.println(" "+cd.getSafeSymbol()+locality.getMain().getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
233 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
235 outmethod.println(" }");
238 outmethod.println("}");
242 outmethod.println("pthread_mutex_lock(&gclistlock);");
243 outmethod.println("threadcount--;");
244 outmethod.println("pthread_cond_signal(&gccond);");
245 outmethod.println("pthread_mutex_unlock(&gclistlock);");
246 outmethod.println("pthread_exit(NULL);");
250 outmethod.println("}");
253 /* This method outputs code for each task. */
255 private void outputTaskCode(PrintWriter outtaskdefs, PrintWriter outmethod) {
256 /* Compile task based program */
257 outtaskdefs.println("#include \"task.h\"");
258 outtaskdefs.println("#include \"methodheaders.h\"");
259 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
260 while(taskit.hasNext()) {
261 TaskDescriptor td=(TaskDescriptor)taskit.next();
262 FlatMethod fm=state.getMethodFlat(td);
263 generateFlatMethod(fm, null, outmethod);
264 generateTaskDescriptor(outtaskdefs, fm, td);
267 //Output task descriptors
268 taskit=state.getTaskSymbolTable().getDescriptorsIterator();
269 outtaskdefs.println("struct taskdescriptor * taskarray[]= {");
271 while(taskit.hasNext()) {
272 TaskDescriptor td=(TaskDescriptor)taskit.next();
276 outtaskdefs.println(",");
277 outtaskdefs.print("&task_"+td.getSafeSymbol());
279 outtaskdefs.println("};");
281 outtaskdefs.println("int numtasks="+state.getTaskSymbolTable().getValueSet().size()+";");
284 /* This method outputs most of the methods.c file. This includes
285 * some standard includes and then an array with the sizes of
286 * objets and array that stores supertype and then the code for
287 * the Java methods.. */
289 private void outputMethods(PrintWriter outmethod) {
290 outmethod.println("#include \"methodheaders.h\"");
291 outmethod.println("#include \"virtualtable.h\"");
292 outmethod.println("#include <runtime.h>");
294 outmethod.println("#include \"localobjects.h\"");
296 outmethod.println("#include <thread.h>");
297 if (state.main!=null) {
298 outmethod.println("#include <string.h>");
300 if (state.CONSCHECK) {
301 outmethod.println("#include \"checkers.h\"");
303 //Store the sizes of classes & array elements
304 generateSizeArray(outmethod);
306 //Store table of supertypes
307 generateSuperTypeTable(outmethod);
309 //Store the layout of classes
310 generateLayoutStructs(outmethod);
312 /* Generate code for methods */
314 for(Iterator<LocalityBinding> lbit=locality.getLocalityBindings().iterator();lbit.hasNext();) {
315 LocalityBinding lb=lbit.next();
316 MethodDescriptor md=lb.getMethod();
317 FlatMethod fm=state.getMethodFlat(md);
318 if (!md.getModifiers().isNative()) {
319 generateFlatMethod(fm, lb, outmethod);
323 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
324 while(classit.hasNext()) {
325 ClassDescriptor cn=(ClassDescriptor)classit.next();
326 Iterator methodit=cn.getMethods();
327 while(methodit.hasNext()) {
328 /* Classify parameters */
329 MethodDescriptor md=(MethodDescriptor)methodit.next();
330 FlatMethod fm=state.getMethodFlat(md);
331 if (!md.getModifiers().isNative())
332 generateFlatMethod(fm, null, outmethod);
338 private void outputStructs(PrintWriter outstructs) {
339 outstructs.println("#ifndef STRUCTDEFS_H");
340 outstructs.println("#define STRUCTDEFS_H");
341 outstructs.println("#include \"classdefs.h\"");
343 /* Output #defines that the runtime uses to determine type
344 * numbers for various objects it needs */
346 outstructs.println("#define STRINGARRAYTYPE "+
347 (state.getArrayNumber(
348 (new TypeDescriptor(typeutil.getClass(TypeUtil.StringClass))).makeArray(state))+state.numClasses()));
350 outstructs.println("#define OBJECTARRAYTYPE "+
351 (state.getArrayNumber(
352 (new TypeDescriptor(typeutil.getClass(TypeUtil.ObjectClass))).makeArray(state))+state.numClasses()));
355 outstructs.println("#define STRINGTYPE "+typeutil.getClass(TypeUtil.StringClass).getId());
356 outstructs.println("#define CHARARRAYTYPE "+
357 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.CHAR)).makeArray(state))+state.numClasses()));
359 outstructs.println("#define BYTEARRAYTYPE "+
360 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state))+state.numClasses()));
362 outstructs.println("#define BYTEARRAYARRAYTYPE "+
363 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state).makeArray(state))+state.numClasses()));
365 outstructs.println("#define NUMCLASSES "+state.numClasses());
367 outstructs.println("#define STARTUPTYPE "+typeutil.getClass(TypeUtil.StartupClass).getId());
368 outstructs.println("#define TAGTYPE "+typeutil.getClass(TypeUtil.TagClass).getId());
369 outstructs.println("#define TAGARRAYTYPE "+
370 (state.getArrayNumber(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass)).makeArray(state))+state.numClasses()));
374 private void outputClassDeclarations(PrintWriter outclassdefs) {
376 outclassdefs.println("#include <pthread.h>");
378 outclassdefs.println("#include \"optionalstruct.h\"");
379 outclassdefs.println("struct "+arraytype+";");
380 /* Start by declaring all structs */
381 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
382 while(it.hasNext()) {
383 ClassDescriptor cn=(ClassDescriptor)it.next();
384 outclassdefs.println("struct "+cn.getSafeSymbol()+";");
386 outclassdefs.println("");
387 //Print out definition for array type
388 outclassdefs.println("struct "+arraytype+" {");
389 outclassdefs.println(" int type;");
391 outclassdefs.println(" pthread_t tid;");
392 outclassdefs.println(" void * lockentry;");
393 outclassdefs.println(" int lockcount;");
396 outclassdefs.println(" int flag;");
397 outclassdefs.println(" void * flagptr;");
399 outclassdefs.println(" int failedstatus;");
400 outclassdefs.println(" int hashcode;");
401 outclassdefs.println(" int numexitfses;");
402 outclassdefs.println(" int * exitfses;");
403 outclassdefs.println(" int numotds;");
404 outclassdefs.println(" struct optionaltaskdescriptor ** otds;");
407 printClassStruct(typeutil.getClass(TypeUtil.ObjectClass), outclassdefs);
409 outclassdefs.println(" int ___length___;");
410 outclassdefs.println("};\n");
411 outclassdefs.println("extern int classsize[];");
412 outclassdefs.println("extern int hasflags[];");
413 outclassdefs.println("extern unsigned int * pointerarray[];");
414 outclassdefs.println("extern int supertypes[];");
417 /** Prints out definitions for generic task structures */
419 private void outputTaskTypes(PrintWriter outtask) {
420 outtask.println("#ifndef _TASK_H");
421 outtask.println("#define _TASK_H");
422 outtask.println("struct parameterdescriptor {");
423 outtask.println("int type;");
424 outtask.println("int numberterms;");
425 outtask.println("int *intarray;");
426 outtask.println("void * queue;");
427 outtask.println("int numbertags;");
428 outtask.println("int *tagarray;");
429 outtask.println("};");
431 outtask.println("struct taskdescriptor {");
432 outtask.println("void * taskptr;");
433 outtask.println("int numParameters;");
434 outtask.println("int numTotal;");
435 outtask.println("struct parameterdescriptor **descriptorarray;");
436 outtask.println("char * name;");
437 outtask.println("};");
438 outtask.println("extern struct taskdescriptor * taskarray[];");
439 outtask.println("extern numtasks;");
440 outtask.println("#endif");
444 private void buildRepairStructs(PrintWriter outrepairstructs) {
445 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
446 while(classit.hasNext()) {
447 ClassDescriptor cn=(ClassDescriptor)classit.next();
448 outrepairstructs.println("structure "+cn.getSymbol()+" {");
449 outrepairstructs.println(" int __type__;");
451 outrepairstructs.println(" int __flag__;");
452 outrepairstructs.println(" int __flagptr__;");
454 printRepairStruct(cn, outrepairstructs);
455 outrepairstructs.println("}\n");
458 for(int i=0;i<state.numArrays();i++) {
459 TypeDescriptor tdarray=arraytable[i];
460 TypeDescriptor tdelement=tdarray.dereference();
461 outrepairstructs.println("structure "+arraytype+"_"+state.getArrayNumber(tdarray)+" {");
462 outrepairstructs.println(" int __type__;");
463 printRepairStruct(typeutil.getClass(TypeUtil.ObjectClass), outrepairstructs);
464 outrepairstructs.println(" int length;");
466 // Need to add support to repair tool for this
467 if (tdelement.isClass()||tdelement.isArray())
468 outrepairstructs.println(" "+tdelement.getRepairSymbol()+" * elem[this.length];");
470 outrepairstructs.println(" "+tdelement.getRepairSymbol()+" elem[this.length];");
472 outrepairstructs.println("}\n");
476 private void printRepairStruct(ClassDescriptor cn, PrintWriter output) {
477 ClassDescriptor sp=cn.getSuperDesc();
479 printRepairStruct(sp, output);
481 Vector fields=(Vector)fieldorder.get(cn);
483 for(int i=0;i<fields.size();i++) {
484 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
485 if (fd.getType().isArray()) {
486 output.println(" "+arraytype+"_"+ state.getArrayNumber(fd.getType()) +" * "+fd.getSymbol()+";");
487 } else if (fd.getType().isClass())
488 output.println(" "+fd.getType().getRepairSymbol()+" * "+fd.getSymbol()+";");
489 else if (fd.getType().isFloat())
490 output.println(" int "+fd.getSymbol()+"; /* really float */");
492 output.println(" "+fd.getType().getRepairSymbol()+" "+fd.getSymbol()+";");
496 /** This method outputs TaskDescriptor information */
497 void generateTaskDescriptor(PrintWriter output, FlatMethod fm, TaskDescriptor task) {
498 for (int i=0;i<task.numParameters();i++) {
499 VarDescriptor param_var=task.getParameter(i);
500 TypeDescriptor param_type=task.getParamType(i);
501 FlagExpressionNode param_flag=task.getFlag(param_var);
502 TagExpressionList param_tag=task.getTag(param_var);
505 if (param_flag==null) {
506 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
507 output.println("0x0, 0x0 };");
510 DNFFlag dflag=param_flag.getDNF();
511 dnfterms=dflag.size();
513 Hashtable flags=(Hashtable)flagorder.get(param_type.getClassDesc());
514 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
515 for(int j=0;j<dflag.size();j++) {
518 Vector term=dflag.get(j);
521 for(int k=0;k<term.size();k++) {
522 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
523 FlagDescriptor fd=dfa.getFlag();
524 boolean negated=dfa.getNegated();
525 int flagid=1<<((Integer)flags.get(fd)).intValue();
530 output.print("0x"+Integer.toHexString(andmask)+", 0x"+Integer.toHexString(checkmask));
532 output.println("};");
535 output.println("int parametertag_"+i+"_"+task.getSafeSymbol()+"[]={");
536 //BUG...added next line to fix, test with any task program
538 for(int j=0;j<param_tag.numTags();j++) {
541 /* for each tag we need */
542 /* which slot it is */
543 /* what type it is */
544 TagVarDescriptor tvd=(TagVarDescriptor)task.getParameterTable().get(param_tag.getName(j));
545 TempDescriptor tmp=param_tag.getTemp(j);
546 int slot=fm.getTagInt(tmp);
547 output.println(slot+", "+state.getTagId(tvd.getTag()));
549 output.println("};");
551 output.println("struct parameterdescriptor parameter_"+i+"_"+task.getSafeSymbol()+"={");
552 output.println("/* type */"+param_type.getClassDesc().getId()+",");
553 output.println("/* number of DNF terms */"+dnfterms+",");
554 output.println("parameterdnf_"+i+"_"+task.getSafeSymbol()+",");
555 output.println("0,");
556 //BUG, added next line to fix and else statement...test
557 //with any task program
559 output.println("/* number of tags */"+param_tag.numTags()+",");
561 output.println("/* number of tags */ 0,");
562 output.println("parametertag_"+i+"_"+task.getSafeSymbol());
563 output.println("};");
567 output.println("struct parameterdescriptor * parameterdescriptors_"+task.getSafeSymbol()+"[] = {");
568 for (int i=0;i<task.numParameters();i++) {
571 output.print("¶meter_"+i+"_"+task.getSafeSymbol());
573 output.println("};");
575 output.println("struct taskdescriptor task_"+task.getSafeSymbol()+"={");
576 output.println("&"+task.getSafeSymbol()+",");
577 output.println("/* number of parameters */" +task.numParameters() + ",");
578 int numtotal=task.numParameters()+fm.numTags();
579 output.println("/* number total parameters */" +numtotal + ",");
580 output.println("parameterdescriptors_"+task.getSafeSymbol()+",");
581 output.println("\""+task.getSymbol()+"\"");
582 output.println("};");
586 /** The buildVirtualTables method outputs the virtual dispatch
587 * tables for methods. */
589 private void buildVirtualTables(PrintWriter outvirtual) {
590 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
591 while(classit.hasNext()) {
592 ClassDescriptor cd=(ClassDescriptor)classit.next();
593 if (virtualcalls.getMethodCount(cd)>maxcount)
594 maxcount=virtualcalls.getMethodCount(cd);
596 MethodDescriptor[][] virtualtable=null;
597 LocalityBinding[][] lbvirtualtable=null;
599 lbvirtualtable=new LocalityBinding[state.numClasses()+state.numArrays()][maxcount];
601 virtualtable=new MethodDescriptor[state.numClasses()+state.numArrays()][maxcount];
603 /* Fill in virtual table */
604 classit=state.getClassSymbolTable().getDescriptorsIterator();
605 while(classit.hasNext()) {
606 ClassDescriptor cd=(ClassDescriptor)classit.next();
608 fillinRow(cd, lbvirtualtable, cd.getId());
610 fillinRow(cd, virtualtable, cd.getId());
613 ClassDescriptor objectcd=typeutil.getClass(TypeUtil.ObjectClass);
614 Iterator arrayit=state.getArrayIterator();
615 while(arrayit.hasNext()) {
616 TypeDescriptor td=(TypeDescriptor)arrayit.next();
617 int id=state.getArrayNumber(td);
619 fillinRow(objectcd, lbvirtualtable, id+state.numClasses());
621 fillinRow(objectcd, virtualtable, id+state.numClasses());
624 outvirtual.print("void * virtualtable[]={");
625 boolean needcomma=false;
626 for(int i=0;i<state.numClasses()+state.numArrays();i++) {
627 for(int j=0;j<maxcount;j++) {
629 outvirtual.print(", ");
630 if (state.DSM&&lbvirtualtable[i][j]!=null) {
631 LocalityBinding lb=lbvirtualtable[i][j];
632 MethodDescriptor md=lb.getMethod();
633 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
634 } else if (!state.DSM&&virtualtable[i][j]!=null) {
635 MethodDescriptor md=virtualtable[i][j];
636 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
638 outvirtual.print("0");
642 outvirtual.println("");
644 outvirtual.println("};");
648 private void fillinRow(ClassDescriptor cd, MethodDescriptor[][] virtualtable, int rownum) {
649 /* Get inherited methods */
650 if (cd.getSuperDesc()!=null)
651 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
652 /* Override them with our methods */
653 for(Iterator it=cd.getMethods();it.hasNext();) {
654 MethodDescriptor md=(MethodDescriptor)it.next();
655 if (md.isStatic()||md.getReturnType()==null)
657 int methodnum=virtualcalls.getMethodNumber(md);
658 virtualtable[rownum][methodnum]=md;
662 private void fillinRow(ClassDescriptor cd, LocalityBinding[][] 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 if (locality.getClassBindings(cd)!=null)
668 for(Iterator<LocalityBinding> lbit=locality.getClassBindings(cd).iterator();lbit.hasNext();) {
669 LocalityBinding lb=lbit.next();
670 MethodDescriptor md=lb.getMethod();
671 //Is the method static or a constructor
672 if (md.isStatic()||md.getReturnType()==null)
674 int methodnum=virtualcalls.getLocalityNumber(lb);
675 virtualtable[rownum][methodnum]=lb;
680 /** Generate array that contains the sizes of class objects. The
681 * object allocation functions in the runtime use this
684 private void generateSizeArray(PrintWriter outclassdefs) {
685 outclassdefs.print("int classsize[]={");
686 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
687 cdarray=new ClassDescriptor[state.numClasses()];
688 while(it.hasNext()) {
689 ClassDescriptor cd=(ClassDescriptor)it.next();
690 cdarray[cd.getId()]=cd;
692 boolean needcomma=false;
693 for(int i=0;i<state.numClasses();i++) {
695 outclassdefs.print(", ");
696 outclassdefs.print("sizeof(struct "+cdarray[i].getSafeSymbol()+")");
700 arraytable=new TypeDescriptor[state.numArrays()];
702 Iterator arrayit=state.getArrayIterator();
703 while(arrayit.hasNext()) {
704 TypeDescriptor td=(TypeDescriptor)arrayit.next();
705 int id=state.getArrayNumber(td);
709 for(int i=0;i<state.numArrays();i++) {
711 outclassdefs.print(", ");
712 TypeDescriptor tdelement=arraytable[i].dereference();
713 if (tdelement.isArray()||tdelement.isClass())
714 outclassdefs.print("sizeof(void *)");
716 outclassdefs.print("sizeof("+tdelement.getSafeSymbol()+")");
720 outclassdefs.println("};");
723 /** Constructs params and temp objects for each method or task.
724 * These objects tell the compiler which temps need to be
727 private void generateTempStructs(FlatMethod fm, LocalityBinding lb) {
728 MethodDescriptor md=fm.getMethod();
729 TaskDescriptor task=fm.getTask();
730 Set<TempDescriptor> saveset=lb!=null?locality.getTempSet(lb):null;
731 ParamsObject objectparams=md!=null?new ParamsObject(md,tag++):new ParamsObject(task, tag++);
734 paramstable.put(lb, objectparams);
736 paramstable.put(md, objectparams);
738 paramstable.put(task, objectparams);
740 for(int i=0;i<fm.numParameters();i++) {
741 TempDescriptor temp=fm.getParameter(i);
742 TypeDescriptor type=temp.getType();
743 if ((type.isPtr()||type.isArray())&&GENERATEPRECISEGC)
744 objectparams.addPtr(temp);
746 objectparams.addPrim(temp);
747 if(lb!=null&&saveset.contains(temp)) {
748 backuptable.put(temp, temp.createNew());
752 for(int i=0;i<fm.numTags();i++) {
753 TempDescriptor temp=fm.getTag(i);
754 if (GENERATEPRECISEGC)
755 objectparams.addPtr(temp);
757 objectparams.addPrim(temp);
760 TempObject objecttemps=md!=null?new TempObject(objectparams,md,tag++):new TempObject(objectparams, task, tag++);
762 tempstable.put(lb, objecttemps);
764 tempstable.put(md, objecttemps);
766 tempstable.put(task, objecttemps);
768 for(Iterator nodeit=fm.getNodeSet().iterator();nodeit.hasNext();) {
769 FlatNode fn=(FlatNode)nodeit.next();
770 TempDescriptor[] writes=fn.writesTemps();
771 for(int i=0;i<writes.length;i++) {
772 TempDescriptor temp=writes[i];
773 TypeDescriptor type=temp.getType();
774 if ((type.isPtr()||type.isArray())&&GENERATEPRECISEGC)
775 objecttemps.addPtr(temp);
777 objecttemps.addPrim(temp);
778 if(lb!=null&&saveset.contains(temp)&&
779 !backuptable.containsKey(temp))
780 backuptable.put(temp, temp.createNew());
784 /* Create backup temps */
786 for(Iterator<TempDescriptor> tmpit=backuptable.values().iterator();tmpit.hasNext();) {
787 TempDescriptor tmp=tmpit.next();
788 TypeDescriptor type=tmp.getType();
789 if ((type.isPtr()||type.isArray())&&GENERATEPRECISEGC)
790 objecttemps.addPtr(tmp);
792 objecttemps.addPrim(tmp);
794 /* Create temp to hold revert table */
795 if (lb.getHasAtomic()) {
796 TempDescriptor reverttmp=new TempDescriptor("revertlist", typeutil.getClass(TypeUtil.ObjectClass));
797 reverttable.put(lb, reverttmp);
802 /** This method outputs the following information about classes
804 * (1) For classes, what are the locations of pointers.
805 * (2) For arrays, does the array contain pointers or primitives.
806 * (3) For classes, does the class contain flags.
809 private void generateLayoutStructs(PrintWriter output) {
810 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
811 while(it.hasNext()) {
812 ClassDescriptor cn=(ClassDescriptor)it.next();
813 output.println("unsigned int "+cn.getSafeSymbol()+"_pointers[]={");
814 Iterator allit=cn.getFieldTable().getAllDescriptorsIterator();
816 while(allit.hasNext()) {
817 FieldDescriptor fd=(FieldDescriptor)allit.next();
818 TypeDescriptor type=fd.getType();
819 if (state.DSM&&fd.isGlobal()) //Don't GC the global objects for now
821 if (type.isPtr()||type.isArray())
825 allit=cn.getFieldTable().getAllDescriptorsIterator();
826 while(allit.hasNext()) {
827 FieldDescriptor fd=(FieldDescriptor)allit.next();
828 TypeDescriptor type=fd.getType();
829 if (state.DSM&&fd.isGlobal()) //Don't GC the global objects for now
831 if (type.isPtr()||type.isArray()) {
833 output.print("((unsigned int)&(((struct "+cn.getSafeSymbol() +" *)0)->"+fd.getSafeSymbol()+"))");
836 output.println("};");
838 output.println("unsigned int * pointerarray[]={");
839 boolean needcomma=false;
840 for(int i=0;i<state.numClasses();i++) {
841 ClassDescriptor cn=cdarray[i];
845 output.print(cn.getSafeSymbol()+"_pointers");
848 for(int i=0;i<state.numArrays();i++) {
850 output.println(", ");
851 TypeDescriptor tdelement=arraytable[i].dereference();
852 if (tdelement.isArray()||tdelement.isClass())
853 output.print("((unsigned int *)1)");
859 output.println("};");
861 output.println("int hasflags[]={");
862 for(int i=0;i<state.numClasses();i++) {
863 ClassDescriptor cn=cdarray[i];
865 output.println(", ");
872 output.println("};");
875 /** Print out table to give us supertypes */
876 private void generateSuperTypeTable(PrintWriter output) {
877 output.println("int supertypes[]={");
878 boolean needcomma=false;
879 for(int i=0;i<state.numClasses();i++) {
880 ClassDescriptor cn=cdarray[i];
884 if (cn.getSuperDesc()!=null) {
885 ClassDescriptor cdsuper=cn.getSuperDesc();
886 output.print(cdsuper.getId());
890 output.println("};");
893 /** Force consistent field ordering between inherited classes. */
895 private void printClassStruct(ClassDescriptor cn, PrintWriter classdefout) {
897 ClassDescriptor sp=cn.getSuperDesc();
899 printClassStruct(sp, classdefout);
901 if (!fieldorder.containsKey(cn)) {
902 Vector fields=new Vector();
903 fieldorder.put(cn,fields);
904 Iterator fieldit=cn.getFields();
905 while(fieldit.hasNext()) {
906 FieldDescriptor fd=(FieldDescriptor)fieldit.next();
907 if (sp==null||!sp.getFieldTable().contains(fd.getSymbol()))
911 Vector fields=(Vector)fieldorder.get(cn);
913 for(int i=0;i<fields.size();i++) {
914 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
915 if (fd.getType().isClass()||fd.getType().isArray())
916 classdefout.println(" struct "+fd.getType().getSafeSymbol()+" * "+fd.getSafeSymbol()+";");
918 classdefout.println(" "+fd.getType().getSafeSymbol()+" "+fd.getSafeSymbol()+";");
923 /* Map flags to integers consistently between inherited
926 private void mapFlags(ClassDescriptor cn) {
927 ClassDescriptor sp=cn.getSuperDesc();
931 if (!flagorder.containsKey(cn)) {
932 Hashtable flags=new Hashtable();
933 flagorder.put(cn,flags);
935 Hashtable superflags=(Hashtable)flagorder.get(sp);
936 Iterator superflagit=superflags.keySet().iterator();
937 while(superflagit.hasNext()) {
938 FlagDescriptor fd=(FlagDescriptor)superflagit.next();
939 Integer number=(Integer)superflags.get(fd);
940 flags.put(fd, number);
941 if ((number.intValue()+1)>max)
942 max=number.intValue()+1;
946 Iterator flagit=cn.getFlags();
947 while(flagit.hasNext()) {
948 FlagDescriptor fd=(FlagDescriptor)flagit.next();
949 if (sp==null||!sp.getFlagTable().contains(fd.getSymbol()))
950 flags.put(fd, new Integer(max++));
956 /** This function outputs (1) structures that parameters are
957 * passed in (when PRECISE GC is enabled) and (2) function
958 * prototypes for the methods */
960 private void generateCallStructs(ClassDescriptor cn, PrintWriter classdefout, PrintWriter output, PrintWriter headersout) {
961 /* Output class structure */
962 classdefout.println("struct "+cn.getSafeSymbol()+" {");
963 classdefout.println(" int type;");
965 classdefout.println(" pthread_t tid;");
966 classdefout.println(" void * lockentry;");
967 classdefout.println(" int lockcount;");
971 classdefout.println(" int flag;");
972 classdefout.println(" void * flagptr;");
974 classdefout.println(" int failedstatus;");
975 classdefout.println(" int hashcode;");
976 classdefout.println(" int numexitfses;");
977 classdefout.println(" int * exitfses;");
978 classdefout.println(" int numotds;");
979 classdefout.println(" struct optionaltaskdescriptor ** otds;");
982 printClassStruct(cn, classdefout);
983 classdefout.println("};\n");
986 /* Cycle through LocalityBindings */
987 HashSet<MethodDescriptor> nativemethods=new HashSet<MethodDescriptor>();
988 Set<LocalityBinding> lbset=locality.getClassBindings(cn);
990 for(Iterator<LocalityBinding> lbit=lbset.iterator();lbit.hasNext();) {
991 LocalityBinding lb=lbit.next();
992 MethodDescriptor md=lb.getMethod();
993 if (md.getModifiers().isNative()) {
994 //make sure we only print a native method once
995 if (nativemethods.contains(md)) {
996 FlatMethod fm=state.getMethodFlat(md);
997 generateTempStructs(fm, lb);
1000 nativemethods.add(md);
1002 generateMethod(cn, md, lb, headersout, output);
1005 for(Iterator methodit=cn.getMethods();methodit.hasNext();) {
1006 MethodDescriptor md=(MethodDescriptor)methodit.next();
1007 if (md.getModifiers().isNative()&&!nativemethods.contains(md)) {
1008 //Need to build param structure for library code
1009 FlatMethod fm=state.getMethodFlat(md);
1010 generateTempStructs(fm, null);
1011 generateMethodParam(cn, md, null, output);
1016 for(Iterator methodit=cn.getMethods();methodit.hasNext();) {
1017 MethodDescriptor md=(MethodDescriptor)methodit.next();
1018 generateMethod(cn, md, null, headersout, output);
1022 private void generateMethodParam(ClassDescriptor cn, MethodDescriptor md, LocalityBinding lb, PrintWriter output) {
1023 /* Output parameter structure */
1024 if (GENERATEPRECISEGC) {
1025 ParamsObject objectparams=(ParamsObject) paramstable.get(lb!=null?lb:md);
1026 if (state.DSM&&lb!=null)
1027 output.println("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1029 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1030 output.println(" int size;");
1031 output.println(" void * next;");
1032 for(int i=0;i<objectparams.numPointers();i++) {
1033 TempDescriptor temp=objectparams.getPointer(i);
1034 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1036 output.println("};\n");
1041 private void generateMethod(ClassDescriptor cn, MethodDescriptor md, LocalityBinding lb, PrintWriter headersout, PrintWriter output) {
1042 FlatMethod fm=state.getMethodFlat(md);
1043 generateTempStructs(fm, lb);
1045 ParamsObject objectparams=(ParamsObject) paramstable.get(lb!=null?lb:md);
1046 TempObject objecttemps=(TempObject) tempstable.get(lb!=null?lb:md);
1048 generateMethodParam(cn, md, lb, output);
1050 /* Output temp structure */
1051 if (GENERATEPRECISEGC) {
1053 output.println("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1055 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1056 output.println(" int size;");
1057 output.println(" void * next;");
1058 for(int i=0;i<objecttemps.numPointers();i++) {
1059 TempDescriptor temp=objecttemps.getPointer(i);
1060 if (temp.getType().isNull())
1061 output.println(" void * "+temp.getSafeSymbol()+";");
1063 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1065 output.println("};\n");
1068 /********* Output method declaration ***********/
1070 /* First the return type */
1071 if (md.getReturnType()!=null) {
1072 if (md.getReturnType().isClass()||md.getReturnType().isArray())
1073 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1075 headersout.print(md.getReturnType().getSafeSymbol()+" ");
1077 //catch the constructor case
1078 headersout.print("void ");
1080 /* Next the method name */
1082 headersout.print(cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1084 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1086 boolean printcomma=false;
1087 if (GENERATEPRECISEGC) {
1089 headersout.print("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1091 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1095 if (state.DSM&&lb.isAtomic()) {
1097 headersout.print(", ");
1098 headersout.print("transrecord_t * trans");
1102 /* Output parameter list*/
1103 for(int i=0;i<objectparams.numPrimitives();i++) {
1104 TempDescriptor temp=objectparams.getPrimitive(i);
1106 headersout.print(", ");
1108 if (temp.getType().isClass()||temp.getType().isArray())
1109 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1111 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1113 headersout.println(");\n");
1117 /** This function outputs (1) structures that parameters are
1118 * passed in (when PRECISE GC is enabled) and (2) function
1119 * prototypes for the tasks */
1121 private void generateTaskStructs(PrintWriter output, PrintWriter headersout) {
1122 /* Cycle through tasks */
1123 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
1125 while(taskit.hasNext()) {
1126 /* Classify parameters */
1127 TaskDescriptor task=(TaskDescriptor)taskit.next();
1128 FlatMethod fm=state.getMethodFlat(task);
1129 generateTempStructs(fm, null);
1131 ParamsObject objectparams=(ParamsObject) paramstable.get(task);
1132 TempObject objecttemps=(TempObject) tempstable.get(task);
1134 /* Output parameter structure */
1135 if (GENERATEPRECISEGC) {
1136 output.println("struct "+task.getSafeSymbol()+"_params {");
1138 output.println(" int size;");
1139 output.println(" void * next;");
1140 for(int i=0;i<objectparams.numPointers();i++) {
1141 TempDescriptor temp=objectparams.getPointer(i);
1142 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1145 output.println("};\n");
1146 if ((objectparams.numPointers()+fm.numTags())>maxtaskparams) {
1147 maxtaskparams=objectparams.numPointers()+fm.numTags();
1151 /* Output temp structure */
1152 if (GENERATEPRECISEGC) {
1153 output.println("struct "+task.getSafeSymbol()+"_locals {");
1154 output.println(" int size;");
1155 output.println(" void * next;");
1156 for(int i=0;i<objecttemps.numPointers();i++) {
1157 TempDescriptor temp=objecttemps.getPointer(i);
1158 if (temp.getType().isNull())
1159 output.println(" void * "+temp.getSafeSymbol()+";");
1160 else if(temp.getType().isTag())
1161 output.println(" struct "+
1162 (new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1164 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1166 output.println("};\n");
1169 /* Output task declaration */
1170 headersout.print("void " + task.getSafeSymbol()+"(");
1172 boolean printcomma=false;
1173 if (GENERATEPRECISEGC) {
1174 headersout.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
1176 headersout.print("void * parameterarray[]");
1177 headersout.println(");\n");
1181 /***** Generate code for FlatMethod fm. *****/
1183 private void generateFlatMethod(FlatMethod fm, LocalityBinding lb, PrintWriter output) {
1184 MethodDescriptor md=fm.getMethod();
1185 TaskDescriptor task=fm.getTask();
1187 ClassDescriptor cn=md!=null?md.getClassDesc():null;
1189 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null?lb:md!=null?md:task);
1190 generateHeader(fm, lb, md!=null?md:task,output);
1191 TempObject objecttemp=(TempObject) tempstable.get(lb!=null?lb:md!=null?md:task);
1192 if (state.DSM&&lb.getHasAtomic()) {
1193 output.println("transrecord_t * trans;");
1196 if (GENERATEPRECISEGC) {
1197 if (md!=null&&state.DSM)
1198 output.print(" struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1199 else if (md!=null&&!state.DSM)
1200 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
1202 output.print(" struct "+task.getSafeSymbol()+"_locals "+localsprefix+"={");
1204 output.print(objecttemp.numPointers()+",");
1205 output.print(paramsprefix);
1206 for(int j=0;j<objecttemp.numPointers();j++)
1207 output.print(", NULL");
1208 output.println("};");
1211 for(int i=0;i<objecttemp.numPrimitives();i++) {
1212 TempDescriptor td=objecttemp.getPrimitive(i);
1213 TypeDescriptor type=td.getType();
1215 output.println(" void * "+td.getSafeSymbol()+";");
1216 else if (type.isClass()||type.isArray())
1217 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
1219 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
1222 /* Assign labels to FlatNode's if necessary.*/
1224 Hashtable<FlatNode, Integer> nodetolabel=assignLabels(fm);
1226 /* Check to see if we need to do a GC if this is a
1227 * multi-threaded program...*/
1229 if (state.THREAD&&GENERATEPRECISEGC) {
1230 output.println("checkcollect(&"+localsprefix+");");
1233 /* Do the actual code generation */
1234 FlatNode current_node=null;
1235 HashSet tovisit=new HashSet();
1236 HashSet visited=new HashSet();
1237 tovisit.add(fm.getNext(0));
1238 while(current_node!=null||!tovisit.isEmpty()) {
1239 if (current_node==null) {
1240 current_node=(FlatNode)tovisit.iterator().next();
1241 tovisit.remove(current_node);
1243 visited.add(current_node);
1244 if (nodetolabel.containsKey(current_node))
1245 output.println("L"+nodetolabel.get(current_node)+":");
1246 if (state.INSTRUCTIONFAILURE) {
1248 output.println("if ((++instructioncount)>failurecount) {instructioncount=0;injectinstructionfailure();}");
1251 output.println("if ((--instructioncount)==0) injectinstructionfailure();");
1253 if (current_node.numNext()==0) {
1255 generateFlatNode(fm, lb, current_node, output);
1256 if (current_node.kind()!=FKind.FlatReturnNode) {
1257 output.println(" return;");
1260 } else if(current_node.numNext()==1) {
1262 generateFlatNode(fm, lb, current_node, output);
1263 FlatNode nextnode=current_node.getNext(0);
1264 if (visited.contains(nextnode)) {
1265 output.println("goto L"+nodetolabel.get(nextnode)+";");
1268 current_node=nextnode;
1269 } else if (current_node.numNext()==2) {
1272 generateFlatCondBranch(fm, lb, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
1273 if (!visited.contains(current_node.getNext(1)))
1274 tovisit.add(current_node.getNext(1));
1275 if (visited.contains(current_node.getNext(0))) {
1276 output.println("goto L"+nodetolabel.get(current_node.getNext(0))+";");
1279 current_node=current_node.getNext(0);
1280 } else throw new Error();
1283 output.println("}\n\n");
1286 /** This method assigns labels to FlatNodes */
1288 private Hashtable<FlatNode, Integer> assignLabels(FlatMethod fm) {
1289 HashSet tovisit=new HashSet();
1290 HashSet visited=new HashSet();
1292 Hashtable<FlatNode, Integer> nodetolabel=new Hashtable<FlatNode, Integer>();
1293 tovisit.add(fm.getNext(0));
1295 /*Assign labels first. A node needs a label if the previous
1296 * node has two exits or this node is a join point. */
1298 while(!tovisit.isEmpty()) {
1299 FlatNode fn=(FlatNode)tovisit.iterator().next();
1302 for(int i=0;i<fn.numNext();i++) {
1303 FlatNode nn=fn.getNext(i);
1305 //1) Edge >1 of node
1306 nodetolabel.put(nn,new Integer(labelindex++));
1308 if (!visited.contains(nn)&&!tovisit.contains(nn)) {
1312 nodetolabel.put(nn,new Integer(labelindex++));
1320 /** Generate text string that corresponds to the TempDescriptor td. */
1321 private String generateTemp(FlatMethod fm, TempDescriptor td, LocalityBinding lb) {
1322 MethodDescriptor md=fm.getMethod();
1323 TaskDescriptor task=fm.getTask();
1324 TempObject objecttemps=(TempObject) tempstable.get(lb!=null?lb:md!=null?md:task);
1326 if (objecttemps.isLocalPrim(td)||objecttemps.isParamPrim(td)) {
1327 return td.getSafeSymbol();
1330 if (objecttemps.isLocalPtr(td)) {
1331 return localsprefix+"."+td.getSafeSymbol();
1334 if (objecttemps.isParamPtr(td)) {
1335 return paramsprefix+"->"+td.getSafeSymbol();
1340 private void generateFlatNode(FlatMethod fm, LocalityBinding lb, FlatNode fn, PrintWriter output) {
1342 case FKind.FlatAtomicEnterNode:
1343 generateFlatAtomicEnterNode(fm, lb, (FlatAtomicEnterNode) fn, output);
1345 case FKind.FlatAtomicExitNode:
1346 generateFlatAtomicExitNode(fm, lb, (FlatAtomicExitNode) fn, output);
1348 case FKind.FlatGlobalConvNode:
1349 generateFlatGlobalConvNode(fm, lb, (FlatGlobalConvNode) fn, output);
1351 case FKind.FlatTagDeclaration:
1352 generateFlatTagDeclaration(fm, lb, (FlatTagDeclaration) fn,output);
1354 case FKind.FlatCall:
1355 generateFlatCall(fm, lb, (FlatCall) fn,output);
1357 case FKind.FlatFieldNode:
1358 generateFlatFieldNode(fm, lb, (FlatFieldNode) fn,output);
1360 case FKind.FlatElementNode:
1361 generateFlatElementNode(fm, lb, (FlatElementNode) fn,output);
1363 case FKind.FlatSetElementNode:
1364 generateFlatSetElementNode(fm, lb, (FlatSetElementNode) fn,output);
1366 case FKind.FlatSetFieldNode:
1367 generateFlatSetFieldNode(fm, lb, (FlatSetFieldNode) fn,output);
1370 generateFlatNew(fm, lb, (FlatNew) fn,output);
1372 case FKind.FlatOpNode:
1373 generateFlatOpNode(fm, lb, (FlatOpNode) fn,output);
1375 case FKind.FlatCastNode:
1376 generateFlatCastNode(fm, lb, (FlatCastNode) fn,output);
1378 case FKind.FlatLiteralNode:
1379 generateFlatLiteralNode(fm, lb, (FlatLiteralNode) fn,output);
1381 case FKind.FlatReturnNode:
1382 generateFlatReturnNode(fm, lb, (FlatReturnNode) fn,output);
1385 output.println("/* nop */");
1387 case FKind.FlatBackEdge:
1388 if (state.THREAD&&GENERATEPRECISEGC) {
1389 output.println("checkcollect(&"+localsprefix+");");
1391 output.println("/* nop */");
1393 case FKind.FlatCheckNode:
1394 generateFlatCheckNode(fm, lb, (FlatCheckNode) fn, output);
1396 case FKind.FlatFlagActionNode:
1397 generateFlatFlagActionNode(fm, lb, (FlatFlagActionNode) fn, output);
1404 public void generateFlatGlobalConvNode(FlatMethod fm, LocalityBinding lb, FlatGlobalConvNode fgcn, PrintWriter output) {
1405 if (lb!=fgcn.getLocality())
1407 /* Have to generate flat globalconv */
1408 if (fgcn.getMakePtr()) {
1409 output.println(generateTemp(fm, fgcn.getSrc(),lb)+"=transRead(trans,"+generateTemp(fm, fgcn.getSrc(),lb)+");");
1411 /* Need to convert to OID */
1412 output.println(generateTemp(fm, fgcn.getSrc(),lb)+"=OID("+generateTemp(fm, fgcn.getSrc(),lb)+");");
1416 public void generateFlatAtomicEnterNode(FlatMethod fm, LocalityBinding lb, FlatAtomicEnterNode faen, PrintWriter output) {
1417 /* Check to see if we need to generate code for this atomic */
1418 if (locality.getAtomic(lb).get(faen.getPrev(0)).intValue()>0)
1420 /* Backup the temps. */
1421 for(Iterator<TempDescriptor> tmpit=locality.getTemps(lb).get(faen).iterator();tmpit.hasNext();) {
1422 TempDescriptor tmp=tmpit.next();
1423 output.println(generateTemp(fm, backuptable.get(tmp),lb)+"="+generateTemp(fm,tmp,lb)+";");
1425 output.println("goto transstart"+faen.getIdentifier()+";");
1427 /******* Print code to retry aborted transaction *******/
1428 output.println("transretry"+faen.getIdentifier()+":");
1431 for(Iterator<TempDescriptor> tmpit=locality.getTemps(lb).get(faen).iterator();tmpit.hasNext();) {
1432 TempDescriptor tmp=tmpit.next();
1433 output.println(generateTemp(fm, tmp,lb)+"="+generateTemp(fm,backuptable.get(tmp),lb)+";");
1436 /********* Need to revert local object store ********/
1437 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
1439 output.println("while ("+revertptr+") {");
1440 output.println("struct ___Object___ * tmpptr;");
1441 output.println("tmpptr="+revertptr+"->"+nextobjstr+";");
1442 output.println("REVERT_OBJ("+revertptr+");");
1443 output.println(revertptr+"=tmpptr;");
1444 output.println("}");
1446 /******* Tell the runtime to start the transaction *******/
1448 output.println("transstart"+faen.getIdentifier()+":");
1449 output.println("trans=transStart();");
1452 public void generateFlatAtomicExitNode(FlatMethod fm, LocalityBinding lb, FlatAtomicExitNode faen, PrintWriter output) {
1453 /* Check to see if we need to generate code for this atomic */
1454 if (locality.getAtomic(lb).get(faen).intValue()>0)
1456 //store the revert list before we lose the transaction object
1457 String revertptr=generateTemp(fm, reverttable.get(lb),lb);
1458 output.println(revertptr+"=trans->revertlist;");
1459 output.println("if (transCommit(trans)) {");
1460 /* Transaction aborts if it returns true */
1461 output.println("goto transretry"+faen.getAtomicEnter().getIdentifier()+";");
1462 output.println("} else {");
1463 /* Need to commit local object store */
1464 output.println("while ("+revertptr+") {");
1465 output.println("struct ___Object___ * tmpptr;");
1466 output.println("tmpptr="+revertptr+"->"+nextobjstr+";");
1467 output.println("COMMIT_OBJ("+revertptr+");");
1468 output.println(revertptr+"=tmpptr;");
1469 output.println("}");
1470 output.println("}");
1473 private void generateFlatCheckNode(FlatMethod fm, LocalityBinding lb, FlatCheckNode fcn, PrintWriter output) {
1474 if (state.CONSCHECK) {
1475 String specname=fcn.getSpec();
1476 String varname="repairstate___";
1477 output.println("{");
1478 output.println("struct "+specname+"_state * "+varname+"=allocate"+specname+"_state();");
1480 TempDescriptor[] temps=fcn.getTemps();
1481 String[] vars=fcn.getVars();
1482 for(int i=0;i<temps.length;i++) {
1483 output.println(varname+"->"+vars[i]+"=(unsigned int)"+generateTemp(fm, temps[i],lb)+";");
1486 output.println("if (doanalysis"+specname+"("+varname+")) {");
1487 output.println("free"+specname+"_state("+varname+");");
1488 output.println("} else {");
1489 output.println("/* Bad invariant */");
1490 output.println("free"+specname+"_state("+varname+");");
1491 output.println("abort_task();");
1492 output.println("}");
1493 output.println("}");
1497 private void generateFlatCall(FlatMethod fm, LocalityBinding lb, FlatCall fc, PrintWriter output) {
1498 MethodDescriptor md=fc.getMethod();
1499 ParamsObject objectparams=(ParamsObject)paramstable.get(state.DSM?locality.getBinding(lb, fc):md);
1500 ClassDescriptor cn=md.getClassDesc();
1501 output.println("{");
1502 if (GENERATEPRECISEGC) {
1504 LocalityBinding fclb=locality.getBinding(lb, fc);
1505 output.print(" struct "+cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
1507 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
1509 output.print(objectparams.numPointers());
1510 output.print(", & "+localsprefix);
1511 if (fc.getThis()!=null) {
1513 output.print("(struct "+md.getThis().getType().getSafeSymbol() +" *)"+ generateTemp(fm,fc.getThis(),lb));
1515 for(int i=0;i<fc.numArgs();i++) {
1516 Descriptor var=md.getParameter(i);
1517 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
1518 if (objectparams.isParamPtr(paramtemp)) {
1519 TempDescriptor targ=fc.getArg(i);
1521 TypeDescriptor td=md.getParamType(i);
1523 output.print("(struct "+(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol() +" *)"+generateTemp(fm, targ,lb));
1525 output.print("(struct "+md.getParamType(i).getSafeSymbol() +" *)"+generateTemp(fm, targ,lb));
1528 output.println("};");
1533 if (fc.getReturnTemp()!=null)
1534 output.print(generateTemp(fm,fc.getReturnTemp(),lb)+"=");
1536 /* Do we need to do virtual dispatch? */
1537 if (md.isStatic()||md.getReturnType()==null||singleCall(fc.getThis().getType().getClassDesc(),md)) {
1540 LocalityBinding fclb=locality.getBinding(lb, fc);
1541 output.print(cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
1543 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
1548 if (md.getReturnType().isClass()||md.getReturnType().isArray())
1549 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1551 output.print(md.getReturnType().getSafeSymbol()+" ");
1552 output.print("(*)(");
1554 boolean printcomma=false;
1555 if (GENERATEPRECISEGC) {
1557 LocalityBinding fclb=locality.getBinding(lb, fc);
1558 output.print("struct "+cn.getSafeSymbol()+fclb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
1560 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
1564 for(int i=0;i<objectparams.numPrimitives();i++) {
1565 TempDescriptor temp=objectparams.getPrimitive(i);
1569 if (temp.getType().isClass()||temp.getType().isArray())
1570 output.print("struct " + temp.getType().getSafeSymbol()+" * ");
1572 output.print(temp.getType().getSafeSymbol());
1576 LocalityBinding fclb=locality.getBinding(lb, fc);
1577 output.print("))virtualtable["+generateTemp(fm,fc.getThis(),lb)+"->type*"+maxcount+"+"+virtualcalls.getLocalityNumber(fclb)+"])");
1579 output.print("))virtualtable["+generateTemp(fm,fc.getThis(),lb)+"->type*"+maxcount+"+"+virtualcalls.getMethodNumber(md)+"])");
1583 boolean needcomma=false;
1584 if (GENERATEPRECISEGC) {
1585 output.print("&__parameterlist__");
1588 if (fc.getThis()!=null) {
1589 TypeDescriptor ptd=md.getThis().getType();
1590 if (ptd.isClass()&&!ptd.isArray())
1591 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
1592 output.print(generateTemp(fm,fc.getThis(),lb));
1596 for(int i=0;i<fc.numArgs();i++) {
1597 Descriptor var=md.getParameter(i);
1598 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
1599 if (objectparams.isParamPrim(paramtemp)) {
1600 TempDescriptor targ=fc.getArg(i);
1604 TypeDescriptor ptd=md.getParamType(i);
1605 if (ptd.isClass()&&!ptd.isArray())
1606 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
1607 output.print(generateTemp(fm, targ,lb));
1611 output.println(");");
1612 output.println(" }");
1615 private boolean singleCall(ClassDescriptor thiscd, MethodDescriptor md) {
1616 Set subclasses=typeutil.getSubClasses(thiscd);
1617 if (subclasses==null)
1619 for(Iterator classit=subclasses.iterator();classit.hasNext();) {
1620 ClassDescriptor cd=(ClassDescriptor)classit.next();
1621 Set possiblematches=cd.getMethodTable().getSet(md.getSymbol());
1622 for(Iterator matchit=possiblematches.iterator();matchit.hasNext();) {
1623 MethodDescriptor matchmd=(MethodDescriptor)matchit.next();
1624 if (md.matches(matchmd))
1631 private void generateFlatFieldNode(FlatMethod fm, LocalityBinding lb, FlatFieldNode ffn, PrintWriter output) {
1633 Integer status=locality.getNodeTempInfo(lb).get(ffn).get(ffn.getSrc());
1634 if (status==LocalityAnalysis.GLOBAL) {
1635 String field=ffn.getField().getSafeSymbol();
1636 String src="((struct "+ffn.getSrc().getType().getSafeSymbol()+" *)((unsigned int)"+generateTemp(fm, ffn.getSrc(),lb)+"+sizeof(objheader_t)))";
1637 String dst=generateTemp(fm, ffn.getDst(),lb);
1639 if (ffn.getField().getType().isPtr()||
1640 ffn.getField().getType().isArray()) {
1642 //TODO: Uncomment this when we have runtime support
1643 //if (ffn.getSrc()==ffn.getDst()) {
1644 //output.println("{");
1645 //output.println("void * temp="+src+";");
1646 //output.println("if (temp&0x1) {");
1647 //output.println("temp=transRead(trans, temp);");
1648 //output.println(src+"->"+field+"="+temp+";");
1649 //output.println("}");
1650 //output.println(dst+"=temp;");
1651 //output.println("}");
1653 output.println(dst+"="+ src +"->"+field+ ";");
1654 //output.println("if ("+dst+"&0x1) {");
1655 output.println(dst+"=transRead(trans,"+dst+");");
1656 //output.println(src+"->"+field+"="+src+"->"+field+";");
1657 //output.println("}");
1660 output.println(dst+"="+ src+"->"+field+";");
1662 } else if (status==LocalityAnalysis.LOCAL) {
1663 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
1664 } else if (status==LocalityAnalysis.EITHER) {
1665 //Code is reading from a null pointer
1666 output.println("if ("+generateTemp(fm, ffn.getSrc(),lb)+") {");
1667 output.println("printf(\"BIG ERROR\n\");exit(-1);}");
1668 //This should throw a suitable null pointer error
1669 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
1671 throw new Error("Read from non-global/non-local in:"+lb.getExplanation());
1673 output.println(generateTemp(fm, ffn.getDst(),lb)+"="+ generateTemp(fm,ffn.getSrc(),lb)+"->"+ ffn.getField().getSafeSymbol()+";");
1676 private void generateFlatSetFieldNode(FlatMethod fm, LocalityBinding lb, FlatSetFieldNode fsfn, PrintWriter output) {
1677 if (fsfn.getField().getSymbol().equals("length")&&fsfn.getDst().getType().isArray())
1678 throw new Error("Can't set array length");
1679 if (state.DSM && locality.getAtomic(lb).get(fsfn).intValue()>0) {
1680 Integer statussrc=locality.getNodeTempInfo(lb).get(fsfn).get(fsfn.getDst());
1681 Integer statusdst=locality.getNodeTempInfo(lb).get(fsfn).get(fsfn.getDst());
1682 boolean srcglobal=statusdst==LocalityAnalysis.GLOBAL;
1684 String src=generateTemp(fm,fsfn.getSrc(),lb);
1685 String dst=generateTemp(fm,fsfn.getDst(),lb);
1687 output.println("{");
1688 output.println("int srcoid="+src+"->"+oidstr+";");
1690 if (statusdst.equals(LocalityAnalysis.GLOBAL)) {
1691 String glbdst="(struct "+fsfn.getDst().getType().getSafeSymbol()+" *)((unsigned int)"+dst+" +sizeof(objheader_t)))";
1693 output.println("((objheader_t *)"+dst+")->status|=DIRTY;");
1695 output.println(glbdst+"->"+ fsfn.getField().getSafeSymbol()+"=srcoid;");
1697 output.println(glbdst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
1698 } else if (statusdst.equals(LocalityAnalysis.LOCAL)) {
1699 /** Check if we need to copy */
1700 output.println("if(!"+dst+"->"+localcopystr+") {");
1701 /* Link object into list */
1702 output.println(dst+"->"+nextobjstr+"=trans->localtrans;");
1703 output.println("trans->localtrans="+dst+";");
1704 if (GENERATEPRECISEGC)
1705 output.println("COPY_OBJ((struct garbagelist *)&"+localsprefix+",(struct ___Object___ *)"+dst+");");
1707 output.println("COPY_OBJ("+dst+");");
1708 output.println("}");
1710 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"=srcoid;");
1712 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
1713 } else if (statusdst.equals(LocalityAnalysis.EITHER)) {
1714 //writing to a null...bad
1715 output.println("if ("+dst+") {");
1716 output.println("printf(\"BIG ERROR 2\n\");exit(-1);}");
1718 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"=srcoid;");
1720 output.println(dst+"->"+ fsfn.getField().getSafeSymbol()+"="+ src+";");
1723 output.println("}");
1726 output.println(generateTemp(fm, fsfn.getDst(),lb)+"->"+ fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc(),lb)+";");
1730 private void generateFlatElementNode(FlatMethod fm, LocalityBinding lb, FlatElementNode fen, PrintWriter output) {
1731 TypeDescriptor elementtype=fen.getSrc().getType().dereference();
1734 if (elementtype.isArray()||elementtype.isClass())
1737 type=elementtype.getSafeSymbol()+" ";
1739 if (fen.needsBoundsCheck()) {
1740 output.println("if ("+generateTemp(fm, fen.getIndex(),lb)+"< 0 || "+generateTemp(fm, fen.getIndex(),lb)+" >= "+generateTemp(fm,fen.getSrc(),lb) + "->___length___)");
1741 output.println("failedboundschk();");
1744 output.println(generateTemp(fm, fen.getDst(),lb)+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex(),lb)+"];");
1747 private void generateFlatSetElementNode(FlatMethod fm, LocalityBinding lb, FlatSetElementNode fsen, PrintWriter output) {
1748 //TODO: need dynamic check to make sure this assignment is actually legal
1749 //Because Object[] could actually be something more specific...ie. Integer[]
1751 TypeDescriptor elementtype=fsen.getDst().getType().dereference();
1754 if (elementtype.isArray()||elementtype.isClass())
1757 type=elementtype.getSafeSymbol()+" ";
1759 if (fsen.needsBoundsCheck()) {
1760 output.println("if ("+generateTemp(fm, fsen.getIndex(),lb)+"< 0 || "+generateTemp(fm, fsen.getIndex(),lb)+" >= "+generateTemp(fm,fsen.getDst(),lb) + "->___length___)");
1761 output.println("failedboundschk();");
1764 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst(),lb)+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex(),lb)+"]="+generateTemp(fm,fsen.getSrc(),lb)+";");
1767 private void generateFlatNew(FlatMethod fm, LocalityBinding lb, FlatNew fn, PrintWriter output) {
1768 if (fn.getType().isArray()) {
1769 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
1770 if (GENERATEPRECISEGC) {
1771 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray(&"+localsprefix+", "+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
1773 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_newarray("+arrayid+", "+generateTemp(fm, fn.getSize(),lb)+");");
1776 if (GENERATEPRECISEGC) {
1777 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new(&"+localsprefix+", "+fn.getType().getClassDesc().getId()+");");
1779 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_new("+fn.getType().getClassDesc().getId()+");");
1784 private void generateFlatTagDeclaration(FlatMethod fm, LocalityBinding lb, FlatTagDeclaration fn, PrintWriter output) {
1785 if (GENERATEPRECISEGC) {
1786 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_tag(&"+localsprefix+", "+state.getTagId(fn.getType())+");");
1788 output.println(generateTemp(fm,fn.getDst(),lb)+"=allocate_tag("+state.getTagId(fn.getType())+");");
1792 private void generateFlatOpNode(FlatMethod fm, LocalityBinding lb, FlatOpNode fon, PrintWriter output) {
1793 if (fon.getRight()!=null)
1794 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+fon.getOp().toString()+generateTemp(fm,fon.getRight(),lb)+";");
1795 else if (fon.getOp().getOp()==Operation.ASSIGN)
1796 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+";");
1797 else if (fon.getOp().getOp()==Operation.UNARYPLUS)
1798 output.println(generateTemp(fm, fon.getDest(),lb)+" = "+generateTemp(fm, fon.getLeft(),lb)+";");
1799 else if (fon.getOp().getOp()==Operation.UNARYMINUS)
1800 output.println(generateTemp(fm, fon.getDest(),lb)+" = -"+generateTemp(fm, fon.getLeft(),lb)+";");
1801 else if (fon.getOp().getOp()==Operation.LOGIC_NOT)
1802 output.println(generateTemp(fm, fon.getDest(),lb)+" = !"+generateTemp(fm, fon.getLeft(),lb)+";");
1804 output.println(generateTemp(fm, fon.getDest(),lb)+fon.getOp().toString()+generateTemp(fm, fon.getLeft(),lb)+";");
1807 private void generateFlatCastNode(FlatMethod fm, LocalityBinding lb, FlatCastNode fcn, PrintWriter output) {
1808 /* TODO: Do type check here */
1809 if (fcn.getType().isArray()) {
1811 } else if (fcn.getType().isClass())
1812 output.println(generateTemp(fm,fcn.getDst(),lb)+"=(struct "+fcn.getType().getSafeSymbol()+" *)"+generateTemp(fm,fcn.getSrc(),lb)+";");
1814 output.println(generateTemp(fm,fcn.getDst(),lb)+"=("+fcn.getType().getSafeSymbol()+")"+generateTemp(fm,fcn.getSrc(),lb)+";");
1817 private void generateFlatLiteralNode(FlatMethod fm, LocalityBinding lb, FlatLiteralNode fln, PrintWriter output) {
1818 if (fln.getValue()==null)
1819 output.println(generateTemp(fm, fln.getDst(),lb)+"=0;");
1820 else if (fln.getType().getSymbol().equals(TypeUtil.StringClass)) {
1821 if (GENERATEPRECISEGC) {
1822 output.println(generateTemp(fm, fln.getDst(),lb)+"=NewString(&"+localsprefix+", \""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
1824 output.println(generateTemp(fm, fln.getDst(),lb)+"=NewString(\""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
1826 } else if (fln.getType().isBoolean()) {
1827 if (((Boolean)fln.getValue()).booleanValue())
1828 output.println(generateTemp(fm, fln.getDst(),lb)+"=1;");
1830 output.println(generateTemp(fm, fln.getDst(),lb)+"=0;");
1831 } else if (fln.getType().isChar()) {
1832 String st=FlatLiteralNode.escapeString(fln.getValue().toString());
1833 output.println(generateTemp(fm, fln.getDst(),lb)+"='"+st+"';");
1835 output.println(generateTemp(fm, fln.getDst(),lb)+"="+fln.getValue()+";");
1838 private void generateFlatReturnNode(FlatMethod fm, LocalityBinding lb, FlatReturnNode frn, PrintWriter output) {
1839 if (frn.getReturnTemp()!=null)
1840 output.println("return "+generateTemp(fm, frn.getReturnTemp(), lb)+";");
1842 output.println("return;");
1845 private void generateFlatCondBranch(FlatMethod fm, LocalityBinding lb, FlatCondBranch fcb, String label, PrintWriter output) {
1846 output.println("if (!"+generateTemp(fm, fcb.getTest(),lb)+") goto "+label+";");
1849 /** This method generates header information for the method or
1850 * task referenced by the Descriptor des. */
1852 private void generateHeader(FlatMethod fm, LocalityBinding lb, Descriptor des, PrintWriter output) {
1854 ParamsObject objectparams=(ParamsObject)paramstable.get(lb!=null?lb:des);
1855 MethodDescriptor md=null;
1856 TaskDescriptor task=null;
1857 if (des instanceof MethodDescriptor)
1858 md=(MethodDescriptor) des;
1860 task=(TaskDescriptor) des;
1862 ClassDescriptor cn=md!=null?md.getClassDesc():null;
1864 if (md!=null&&md.getReturnType()!=null) {
1865 if (md.getReturnType().isClass()||md.getReturnType().isArray())
1866 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1868 output.print(md.getReturnType().getSafeSymbol()+" ");
1870 //catch the constructor case
1871 output.print("void ");
1874 output.print(cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1876 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1878 output.print(task.getSafeSymbol()+"(");
1880 boolean printcomma=false;
1881 if (GENERATEPRECISEGC) {
1884 output.print("struct "+cn.getSafeSymbol()+lb.getSignature()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1886 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1888 output.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
1892 if (state.DSM&&lb.isAtomic()) {
1895 output.print("transrecord_t * trans");
1901 for(int i=0;i<objectparams.numPrimitives();i++) {
1902 TempDescriptor temp=objectparams.getPrimitive(i);
1906 if (temp.getType().isClass()||temp.getType().isArray())
1907 output.print("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1909 output.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1911 output.println(") {");
1912 } else if (!GENERATEPRECISEGC) {
1913 /* Imprecise Task */
1914 output.println("void * parameterarray[]) {");
1915 /* Unpack variables */
1916 for(int i=0;i<objectparams.numPrimitives();i++) {
1917 TempDescriptor temp=objectparams.getPrimitive(i);
1918 output.println("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+"=parameterarray["+i+"];");
1920 for(int i=0;i<fm.numTags();i++) {
1921 TempDescriptor temp=fm.getTag(i);
1922 int offset=i+objectparams.numPrimitives();
1923 output.println("struct ___TagDescriptor___ * "+temp.getSafeSymbol()+"=parameterarray["+offset+"];");
1926 if ((objectparams.numPrimitives()+fm.numTags())>maxtaskparams)
1927 maxtaskparams=objectparams.numPrimitives()+fm.numTags();
1928 } else output.println(") {");
1931 public void generateFlatFlagActionNode(FlatMethod fm, LocalityBinding lb, FlatFlagActionNode ffan, PrintWriter output) {
1932 output.println("/* FlatFlagActionNode */");
1935 /* Process tag changes */
1936 Relation tagsettable=new Relation();
1937 Relation tagcleartable=new Relation();
1939 Iterator tagsit=ffan.getTempTagPairs();
1940 while (tagsit.hasNext()) {
1941 TempTagPair ttp=(TempTagPair) tagsit.next();
1942 TempDescriptor objtmp=ttp.getTemp();
1943 TagDescriptor tag=ttp.getTag();
1944 TempDescriptor tagtmp=ttp.getTagTemp();
1945 boolean tagstatus=ffan.getTagChange(ttp);
1947 tagsettable.put(objtmp, tagtmp);
1949 tagcleartable.put(objtmp, tagtmp);
1954 Hashtable flagandtable=new Hashtable();
1955 Hashtable flagortable=new Hashtable();
1957 /* Process flag changes */
1958 Iterator flagsit=ffan.getTempFlagPairs();
1959 while(flagsit.hasNext()) {
1960 TempFlagPair tfp=(TempFlagPair)flagsit.next();
1961 TempDescriptor temp=tfp.getTemp();
1962 Hashtable flagtable=(Hashtable)flagorder.get(temp.getType().getClassDesc());
1963 FlagDescriptor flag=tfp.getFlag();
1965 //Newly allocate objects that don't set any flags case
1966 if (flagortable.containsKey(temp)) {
1970 flagortable.put(temp,new Integer(mask));
1972 int flagid=1<<((Integer)flagtable.get(flag)).intValue();
1973 boolean flagstatus=ffan.getFlagChange(tfp);
1976 if (flagortable.containsKey(temp)) {
1977 mask=((Integer)flagortable.get(temp)).intValue();
1980 flagortable.put(temp,new Integer(mask));
1982 int mask=0xFFFFFFFF;
1983 if (flagandtable.containsKey(temp)) {
1984 mask=((Integer)flagandtable.get(temp)).intValue();
1986 mask&=(0xFFFFFFFF^flagid);
1987 flagandtable.put(temp,new Integer(mask));
1993 HashSet flagtagset=new HashSet();
1994 flagtagset.addAll(flagortable.keySet());
1995 flagtagset.addAll(flagandtable.keySet());
1996 flagtagset.addAll(tagsettable.keySet());
1997 flagtagset.addAll(tagcleartable.keySet());
1999 Iterator ftit=flagtagset.iterator();
2000 while(ftit.hasNext()) {
2001 TempDescriptor temp=(TempDescriptor)ftit.next();
2004 Set tagtmps=tagcleartable.get(temp);
2005 if (tagtmps!=null) {
2006 Iterator tagit=tagtmps.iterator();
2007 while(tagit.hasNext()) {
2008 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
2009 if (GENERATEPRECISEGC)
2010 output.println("tagclear(&"+localsprefix+", (struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2012 output.println("tagclear((struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2016 tagtmps=tagsettable.get(temp);
2017 if (tagtmps!=null) {
2018 Iterator tagit=tagtmps.iterator();
2019 while(tagit.hasNext()) {
2020 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
2021 if (GENERATEPRECISEGC)
2022 output.println("tagset(&"+localsprefix+", (struct ___Object___ *)"+generateTemp(fm, temp,lb)+", "+generateTemp(fm,tagtmp,lb)+");");
2024 output.println("tagset((struct ___Object___ *)"+generateTemp(fm, temp, lb)+", "+generateTemp(fm,tagtmp, lb)+");");
2029 int andmask=0xFFFFFFF;
2031 if (flagortable.containsKey(temp))
2032 ormask=((Integer)flagortable.get(temp)).intValue();
2033 if (flagandtable.containsKey(temp))
2034 andmask=((Integer)flagandtable.get(temp)).intValue();
2035 if (ffan.getTaskType()==FlatFlagActionNode.NEWOBJECT) {
2036 output.println("flagorandinit("+generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
2038 output.println("flagorand("+generateTemp(fm, temp, lb)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
2043 void generateOptionalArrays(PrintWriter output, PrintWriter headers, Hashtable<ClassDescriptor, Hashtable<FlagState, HashSet>> safeexecution, Hashtable optionaltaskdescriptors) {
2046 headers.println("#include \"task.h\"\n\n");
2047 headers.println("#ifndef _OPTIONAL_STRUCT_");
2048 headers.println("#define _OPTIONAL_STRUCT_");
2053 //STRUCT PREDICATEMEMBER
2054 headers.println("struct predicatemember{");
2055 headers.println("int type;");
2056 headers.println("int numdnfterms;");
2057 headers.println("int * flags;");
2058 headers.println("int numtags;");
2059 headers.println("int * tags;\n};\n\n");
2061 /*//STRUCT EXITSTATES
2062 headers.println("struct exitstates{");
2063 headers.println("int numflagstates;");
2064 headers.println("int * flagstatearray;\n};\n\n");*///appeared to be useless
2066 //STRUCT OPTIONALTASKDESCRIPTOR
2067 headers.println("struct optionaltaskdescriptor{");
2068 headers.println("struct taskdescriptor * task;");
2069 headers.println("int numenterflags;");
2070 headers.println("int * enterflags;");
2071 headers.println("int numpredicatemembers;");
2072 headers.println("struct predicatemember ** predicatememberarray;");
2073 //headers.println("int numexitstates;");
2074 //headers.println("int numTotal;");
2075 //headers.println("struct exitstates ** exitstatesarray;\n};\n\n");
2076 headers.println("\n};\n\n");
2078 //STRUCT FSANALYSISWRAPPER
2079 headers.println("struct fsanalysiswrapper{");
2080 headers.println("int flags;");
2081 headers.println("int numtags;");
2082 headers.println("int * tags;");
2083 headers.println("int numoptionaltaskdescriptors;");
2084 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
2086 //STRUCT CLASSANALYSISWRAPPER
2087 headers.println("struct classanalysiswrapper{");
2088 headers.println("int type;");
2089 headers.println("int numotd;");
2090 headers.println("struct optionaltaskdescriptor ** otdarray;");
2091 headers.println("int numfsanalysiswrappers;");
2092 headers.println("struct fsanalysiswrapper ** fsanalysiswrapperarray;\n};\n\n");
2094 headers.println("struct classanalysiswrapper * classanalysiswrapperarray[];\n");
2098 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
2099 while(taskit.hasNext()) {
2100 TaskDescriptor td=(TaskDescriptor)taskit.next();
2101 headers.println("extern struct taskdescriptor task_"+td.getSafeSymbol()+";");
2107 output.println("#include \"optionalstruct.h\"\n\n");
2108 HashSet processedcd = new HashSet();
2111 Enumeration e = safeexecution.keys();
2112 while (e.hasMoreElements()) {
2115 ClassDescriptor cdtemp=(ClassDescriptor)e.nextElement();
2116 Hashtable flaginfo=(Hashtable)flagorder.get(cdtemp);//will be used several times
2118 //////////////////////////DEBUG
2119 System.out.println(cdtemp.getSymbol()+" "+cdtemp.getId());
2120 for(Iterator flags = cdtemp.getFlags(); flags.hasNext();){
2121 FlagDescriptor flagd = (FlagDescriptor)flags.next();
2122 int flagid=1<<((Integer)flaginfo.get(flagd)).intValue();
2123 System.out.println(" Flag "+flagd.getSymbol()+" 0x"+Integer.toHexString(flagid)+" int "+flagid);
2125 ///////////////////////////
2127 //Generate the struct of optionals
2128 if((Hashtable)optionaltaskdescriptors.get(cdtemp)==null) System.out.println("Was in cd :"+cdtemp.getSymbol());
2129 Collection c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
2130 numotd = c_otd.size();
2131 if(maxotd<numotd) maxotd = numotd;
2132 if( !c_otd.isEmpty() ){
2133 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext();){
2134 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
2136 //generate the int arrays for the predicate
2137 Predicate predicate = otd.predicate;
2138 int predicateindex = 0;
2139 //iterate through the classes concerned by the predicate
2140 Collection c_vard = predicate.vardescriptors.values();
2141 for(Iterator vard_it = c_vard.iterator(); vard_it.hasNext();){
2142 VarDescriptor vard = (VarDescriptor)vard_it.next();
2143 TypeDescriptor typed = vard.getType();
2145 //generate for flags
2146 HashSet fen_hashset = predicate.flags.get(vard.getSymbol());
2147 output.println("int predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2149 if (fen_hashset!=null){
2150 for (Iterator fen_it = fen_hashset.iterator(); fen_it.hasNext();){
2151 FlagExpressionNode fen = (FlagExpressionNode)fen_it.next();
2156 DNFFlag dflag=fen.getDNF();
2157 numberterms+=dflag.size();
2159 Hashtable flags=(Hashtable)flagorder.get(typed.getClassDesc());
2161 for(int j=0;j<dflag.size();j++) {
2163 output.println(",");
2164 Vector term=dflag.get(j);
2167 for(int k=0;k<term.size();k++) {
2168 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
2169 FlagDescriptor fd=dfa.getFlag();
2170 boolean negated=dfa.getNegated();
2171 int flagid=1<<((Integer)flags.get(fd)).intValue();
2176 output.print("/*andmask*/0x"+Integer.toHexString(andmask)+", /*checkmask*/0x"+Integer.toHexString(checkmask));
2181 output.println("};\n");
2184 TagExpressionList tagel = predicate.tags.get(vard.getSymbol());
2185 output.println("int predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2186 //BUG...added next line to fix, test with any task program
2189 for(int j=0;j<tagel.numTags();j++) {
2191 output.println(",");
2192 TempDescriptor tmp=tagel.getTemp(j);
2193 //got rid of slot, maybe some improvments to do ???
2194 output.println("/*tagid*/"+state.getTagId(tmp.getTag()));
2196 numtags = tagel.numTags();
2198 output.println("};");
2200 //store the result into a predicatemember struct
2201 output.println("struct predicatemember predicatemember_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
2202 output.println("/*type*/"+typed.getClassDesc().getId()+",");
2203 output.println("/* number of dnf terms */"+numberterms+",");
2204 output.println("predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2205 output.println("/* number of tag */"+numtags+",");
2206 output.println("predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2207 output.println("};\n");
2212 //generate an array that stores the entire predicate
2213 output.println("struct predicatemember * predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2214 for( int j = 0; j<predicateindex; j++){
2215 if( j != predicateindex-1)output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2216 else output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
2218 output.println("};\n");
2220 //generate the struct for possible exitfses, appeared to be useless
2221 /*HashSet<HashSet> exitfses = otd.exitfses;
2223 int nbexit = exitfses.size();
2226 //iterate through possible exits
2228 for(Iterator exitfseshash = exitfses.iterator(); exitfseshash.hasNext();){
2229 HashSet temp_hashset = (HashSet)exitfseshash.next();
2231 output.println("int flag_EXIT"+exitindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2232 //iterate through possible FSes corresponding to the exit
2233 for(Iterator exfses = temp_hashset.iterator(); exfses.hasNext();){
2234 FlagState fs = (FlagState)exfses.next();
2238 for(Iterator flags = fs.getFlags(); flags.hasNext();){
2239 FlagDescriptor flagd = (FlagDescriptor)flags.next();
2240 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
2243 if(fsnumber!=1) output.print(",");
2244 output.print(flagid);
2245 //do the same for tags.
2246 //maybe not needed because no tag changes tolerated.
2248 output.println("};\n");
2251 //store that information in a struct
2252 output.println("struct exitstates exitstates"+exitindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
2253 output.println(fsnumber+",");
2254 output.println("flag_EXIT"+exitindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
2255 output.println("};\n");
2260 //store the information concerning all exits into an array
2261 output.println("struct exitstates * exitstatesarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2262 for( int j = 0; j<nbexit; j++){
2263 if( j != nbexit-1)output.println("&exitstates"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2264 else output.println("&exitstates"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"};\n");
2268 output.println("int enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
2269 //iterate through possible FSes corresponding to the state when entering
2270 for(Iterator fses = otd.flagstates.iterator(); fses.hasNext();){
2271 FlagState fs = (FlagState)fses.next();
2274 for(Iterator flags = fs.getFlags(); flags.hasNext();){
2275 FlagDescriptor flagd = (FlagDescriptor)flags.next();
2276 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
2279 if(fsnumber!=1) output.print(",");
2280 output.print(flagid);
2281 //tag information not needed because tag changes are not tolerated.
2283 output.println("};\n");
2286 //generate optionaltaskdescriptor that actually includes exit fses, predicate and the task concerned
2287 output.println("struct optionaltaskdescriptor optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
2288 output.println("&task_"+otd.td.getSafeSymbol()+",");
2289 output.println("/*number of enter flags*/"+fsnumber+",");
2290 output.println("enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2291 output.println("/*number of members */"+predicateindex+",");
2292 output.println("predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2293 //output.println("/*number of exitstates */"+nbexit+",");
2294 //output.println("/*total number of fses*/"+nbtotal+",");
2295 //output.println("exitstatesarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
2296 output.println("};\n");
2299 else continue; // if there is no optionals, there is no need to build the rest of the struct
2301 output.println("struct optionaltaskdescriptor * otdarray"+cdtemp.getSafeSymbol()+"[]={");
2302 c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
2304 if( !c_otd.isEmpty() ){
2305 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext();){
2306 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
2307 if(x!=0) output.println(",");
2309 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
2312 output.println("};\n");
2314 //get all the possible falgstates reachable by an object
2315 Hashtable hashtbtemp = safeexecution.get(cdtemp);
2316 Enumeration fses = hashtbtemp.keys();
2318 while(fses.hasMoreElements()){
2319 FlagState fs = (FlagState)fses.nextElement();
2322 //get the set of OptionalTaskDescriptors corresponding
2323 HashSet availabletasks = (HashSet)hashtbtemp.get(fs);
2324 //iterate through the OptionalTaskDescriptors and store the pointers to the optionals struct (see on top) into an array
2326 output.println("struct optionaltaskdescriptor * optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[] = {");
2327 for(Iterator mos = availabletasks.iterator(); mos.hasNext();){
2328 OptionalTaskDescriptor mm = (OptionalTaskDescriptor)mos.next();
2329 if(!mos.hasNext()) output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol());
2331 else output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol()+",");
2334 output.println("};\n");
2336 //process flag information (what the flag after failure is) so we know what optionaltaskdescriptors to choose.
2339 for(Iterator flags = fs.getFlags(); flags.hasNext();){
2340 FlagDescriptor flagd = (FlagDescriptor)flags.next();
2341 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
2346 //process tag information
2349 boolean first = true;
2350 Enumeration tag_enum = fs.getTags();
2351 output.println("int tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
2352 while(tag_enum.hasMoreElements()){
2354 TagDescriptor tagd = (TagDescriptor)tag_enum.nextElement();
2358 output.println(", ");
2359 output.println("/*tagid*/"+state.getTagId(tagd));
2361 output.println("};");
2364 //Store the result in fsanalysiswrapper
2366 output.println("struct fsanalysiswrapper fsanalysiswrapper_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"={");
2367 output.println("/*flag*/"+flagid+",");
2368 output.println("/* number of tags*/"+tagcounter+",");
2369 output.println("tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
2370 output.println("/* number of optionaltaskdescriptors */"+availabletasks.size()+",");
2371 output.println("optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol());
2372 output.println("};\n");
2376 //Build the array of fsanalysiswrappers
2377 output.println("struct fsanalysiswrapper * fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"[] = {");
2378 for(int i = 0; i<fscounter; i++){
2379 if(i==fscounter-1) output.println("&fsanalysiswrapper_FS"+(i+1)+"_"+cdtemp.getSafeSymbol()+"};\n");
2381 else output.println("&fsanalysiswrapper_FS"+(i+1)+"_"+cdtemp.getSafeSymbol()+",");
2384 //Build the classanalysiswrapper referring to the previous array
2385 output.println("struct classanalysiswrapper classanalysiswrapper_"+cdtemp.getSafeSymbol()+"={");
2386 output.println("/*type*/"+cdtemp.getId()+",");
2387 output.println("/*numotd*/"+numotd+",");
2388 output.println("otdarray"+cdtemp.getSafeSymbol()+",");
2389 output.println("/* number of fsanalysiswrappers */"+fscounter+",");
2390 output.println("fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"};\n");
2392 processedcd.add(cdtemp);
2395 //build an array containing every classes for which code has been build
2396 output.println("struct classanalysiswrapper * classanalysiswrapperarray[]={");
2397 for(Iterator classit = processedcd.iterator(); classit.hasNext();){
2398 ClassDescriptor cdtemp=(ClassDescriptor)classit.next();
2399 if(!classit.hasNext()) output.println("&classanalysiswrapper_"+cdtemp.getSafeSymbol()+"};\n");
2400 else output.println("&classanalysiswrapper_"+cdtemp.getSafeSymbol()+",");
2403 output.println("int numclasses="+processedcd.size()+";");
2404 headers.println("extern numclasses;");
2405 output.println("int maxotd="+maxotd+";");
2406 headers.println("extern maxotd;");
2407 headers.println("#endif");