2 import IR.Tree.FlagExpressionNode;
3 import IR.Tree.DNFFlag;
4 import IR.Tree.DNFFlagAtom;
9 public class BuildCode {
12 Hashtable paramstable;
17 String localsprefix="___locals___";
18 String paramsprefix="___params___";
19 public static boolean GENERATEPRECISEGC=false;
20 public static String PREFIX="";
21 public static String arraytype="ArrayObject";
24 private int maxtaskparams=0;
25 ClassDescriptor[] cdarray;
26 TypeDescriptor[] arraytable;
28 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil) {
30 this.temptovar=temptovar;
31 paramstable=new Hashtable();
32 tempstable=new Hashtable();
33 fieldorder=new Hashtable();
34 flagorder=new Hashtable();
35 this.typeutil=typeutil;
36 virtualcalls=new Virtual(state);
39 /** The buildCode method outputs C code for all the methods. The Flat
40 * versions of the methods must already be generated and stored in
41 * the State object. */
43 public void buildCode() {
44 /* Create output streams to write to */
45 PrintWriter outclassdefs=null;
46 PrintWriter outstructs=null;
47 PrintWriter outrepairstructs=null;
48 PrintWriter outmethodheader=null;
49 PrintWriter outmethod=null;
50 PrintWriter outvirtual=null;
51 PrintWriter outtask=null;
52 PrintWriter outtaskdefs=null;
55 OutputStream str=new FileOutputStream(PREFIX+"structdefs.h");
56 outstructs=new java.io.PrintWriter(str, true);
57 str=new FileOutputStream(PREFIX+"methodheaders.h");
58 outmethodheader=new java.io.PrintWriter(str, true);
59 str=new FileOutputStream(PREFIX+"classdefs.h");
60 outclassdefs=new java.io.PrintWriter(str, true);
61 str=new FileOutputStream(PREFIX+"methods.c");
62 outmethod=new java.io.PrintWriter(str, true);
63 str=new FileOutputStream(PREFIX+"virtualtable.h");
64 outvirtual=new java.io.PrintWriter(str, true);
66 str=new FileOutputStream(PREFIX+"task.h");
67 outtask=new java.io.PrintWriter(str, true);
68 str=new FileOutputStream(PREFIX+"taskdefs.c");
69 outtaskdefs=new java.io.PrintWriter(str, true);
71 if (state.structfile!=null) {
72 str=new FileOutputStream(PREFIX+state.structfile+".struct");
73 outrepairstructs=new java.io.PrintWriter(str, true);
75 } catch (Exception e) {
80 /* Build the virtual dispatch tables */
81 buildVirtualTables(outvirtual);
84 outstructs.println("#include \"classdefs.h\"");
85 outmethodheader.println("#include \"structdefs.h\"");
87 /* Output types for short array and string */
88 outstructs.println("#define STRINGARRAYTYPE "+
89 (state.getArrayNumber(
90 (new TypeDescriptor(typeutil.getClass(TypeUtil.StringClass))).makeArray(state))+state.numClasses()));
92 outstructs.println("#define STRINGTYPE "+typeutil.getClass(TypeUtil.StringClass).getId());
93 outstructs.println("#define CHARARRAYTYPE "+
94 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.CHAR)).makeArray(state))+state.numClasses()));
95 outstructs.println("#define NUMCLASSES "+state.numClasses());
97 outstructs.println("#define STARTUPTYPE "+typeutil.getClass(TypeUtil.StartupClass).getId());
99 // Output the C class declarations
100 // These could mutually reference each other
101 outclassdefs.println("struct "+arraytype+";");
103 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
104 while(it.hasNext()) {
105 ClassDescriptor cn=(ClassDescriptor)it.next();
106 outclassdefs.println("struct "+cn.getSafeSymbol()+";");
108 outclassdefs.println("");
110 //Print out definition for array type
111 outclassdefs.println("struct "+arraytype+" {");
112 outclassdefs.println(" int type;");
113 outclassdefs.println(" int flag;");
116 outclassdefs.println(" void * flagptr;");
118 printClassStruct(typeutil.getClass(TypeUtil.ObjectClass), outclassdefs);
119 outclassdefs.println(" int ___length___;");
120 outclassdefs.println("};\n");
123 //Print out definitions for task types
124 outtask.println("struct parameterdescriptor {");
125 outtask.println("int type;");
126 outtask.println("int numberterms;");
127 outtask.println("int *intarray;");
128 outtask.println("void * queue;");
129 outtask.println("};");
131 outtask.println("struct taskdescriptor {");
132 outtask.println("void * taskptr;");
133 outtask.println("int numParameters;");
134 outtask.println("struct parameterdescriptor **descriptorarray;");
135 outtask.println("char * name;");
136 outtask.println("};");
137 outtask.println("extern struct taskdescriptor * taskarray[];");
138 outtask.println("extern numtasks;");
142 // Output function prototypes and structures for parameters
143 it=state.getClassSymbolTable().getDescriptorsIterator();
144 while(it.hasNext()) {
145 ClassDescriptor cn=(ClassDescriptor)it.next();
146 generateCallStructs(cn, outclassdefs, outstructs, outmethodheader);
151 /* Map flags to integers */
152 it=state.getClassSymbolTable().getDescriptorsIterator();
153 while(it.hasNext()) {
154 ClassDescriptor cn=(ClassDescriptor)it.next();
158 generateTaskStructs(outstructs, outmethodheader);
161 outmethodheader.close();
163 /* Build the actual methods */
164 outmethod.println("#include \"methodheaders.h\"");
165 outmethod.println("#include \"virtualtable.h\"");
166 outmethod.println("#include <runtime.h>");
167 if (state.main!=null) {
168 outmethod.println("#include <string.h>");
171 if (state.CONSCHECK) {
172 outmethod.println("#include \"checkers.h\"");
174 outclassdefs.println("extern int classsize[];");
175 outclassdefs.println("extern int hasflags[];");
176 outclassdefs.println("extern int * pointerarray[];");
177 outclassdefs.println("extern int supertypes[];");
179 //Store the sizes of classes & array elements
180 generateSizeArray(outmethod);
182 //Store table of supertypes
183 generateSuperTypeTable(outmethod);
185 //Store the layout of classes
186 generateLayoutStructs(outmethod);
188 /* Generate code for methods */
189 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
190 while(classit.hasNext()) {
191 ClassDescriptor cn=(ClassDescriptor)classit.next();
192 Iterator methodit=cn.getMethods();
193 while(methodit.hasNext()) {
194 /* Classify parameters */
195 MethodDescriptor md=(MethodDescriptor)methodit.next();
196 FlatMethod fm=state.getMethodFlat(md);
197 if (!md.getModifiers().isNative())
198 generateFlatMethod(fm,outmethod);
203 /* Compile task based program */
204 outtaskdefs.println("#include \"task.h\"");
205 outtaskdefs.println("#include \"methodheaders.h\"");
206 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
207 while(taskit.hasNext()) {
208 TaskDescriptor td=(TaskDescriptor)taskit.next();
209 FlatMethod fm=state.getMethodFlat(td);
210 generateFlatMethod(fm, outmethod);
211 generateTaskDescriptor(outtaskdefs, td);
215 //Output task descriptors
216 taskit=state.getTaskSymbolTable().getDescriptorsIterator();
217 outtaskdefs.println("struct taskdescriptor * taskarray[]= {");
219 while(taskit.hasNext()) {
220 TaskDescriptor td=(TaskDescriptor)taskit.next();
224 outtaskdefs.println(",");
225 outtaskdefs.print("&task_"+td.getSafeSymbol());
227 outtaskdefs.println("};");
230 outtaskdefs.println("int numtasks="+state.getTaskSymbolTable().getValueSet().size()+";");
232 } else if (state.main!=null) {
233 /* Generate main method */
234 outmethod.println("int main(int argc, const char *argv[]) {");
235 outmethod.println(" int i;");
236 if (GENERATEPRECISEGC) {
237 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-1);");
239 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-1);");
241 outmethod.println(" for(i=1;i<argc;i++) {");
242 outmethod.println(" int length=strlen(argv[i]);");
243 if (GENERATEPRECISEGC) {
244 outmethod.println(" struct ___String___ *newstring=NewString(NULL, argv[i], length);");
246 outmethod.println(" struct ___String___ *newstring=NewString(argv[i], length);");
248 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-1]=newstring;");
249 outmethod.println(" }");
252 ClassDescriptor cd=typeutil.getClass(state.main);
253 Set mainset=cd.getMethodTable().getSet("main");
254 for(Iterator mainit=mainset.iterator();mainit.hasNext();) {
255 MethodDescriptor md=(MethodDescriptor)mainit.next();
256 if (md.numParameters()!=1)
258 if (md.getParameter(0).getType().getArrayCount()!=1)
260 if (!md.getParameter(0).getType().getSymbol().equals("String"))
263 if (!md.getModifiers().isStatic())
264 throw new Error("Error: Non static main");
265 outmethod.println(" {");
266 if (GENERATEPRECISEGC) {
267 outmethod.print(" struct "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
268 outmethod.println("1, NULL,"+"stringarray};");
269 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
271 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
272 outmethod.println(" }");
275 outmethod.println("}");
278 outstructs.println("#define MAXTASKPARAMS "+maxtaskparams);
281 /* Output structure definitions for repair tool */
282 if (state.structfile!=null) {
283 buildRepairStructs(outrepairstructs);
284 outrepairstructs.close();
291 private int maxcount=0;
293 private void buildRepairStructs(PrintWriter outrepairstructs) {
294 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
295 while(classit.hasNext()) {
296 ClassDescriptor cn=(ClassDescriptor)classit.next();
297 outrepairstructs.println("structure "+cn.getSymbol()+" {");
298 outrepairstructs.println(" int __type__;");
300 outrepairstructs.println(" int __flag__;");
301 outrepairstructs.println(" int __flagptr__;");
303 printRepairStruct(cn, outrepairstructs);
304 outrepairstructs.println("}\n");
307 for(int i=0;i<state.numArrays();i++) {
308 TypeDescriptor tdarray=arraytable[i];
309 TypeDescriptor tdelement=tdarray.dereference();
310 outrepairstructs.println("structure "+arraytype+"_"+state.getArrayNumber(tdarray)+" {");
311 outrepairstructs.println(" int __type__;");
312 printRepairStruct(typeutil.getClass(TypeUtil.ObjectClass), outrepairstructs);
313 outrepairstructs.println(" int length;");
315 // Need to add support to repair tool for this
316 if (tdelement.isClass()||tdelement.isArray())
317 outrepairstructs.println(" "+tdelement.getRepairSymbol()+" * elem[this.length];");
319 outrepairstructs.println(" "+tdelement.getRepairSymbol()+" elem[this.length];");
321 outrepairstructs.println("}\n");
326 private void printRepairStruct(ClassDescriptor cn, PrintWriter output) {
327 ClassDescriptor sp=cn.getSuperDesc();
329 printRepairStruct(sp, output);
331 Vector fields=(Vector)fieldorder.get(cn);
333 for(int i=0;i<fields.size();i++) {
334 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
335 if (fd.getType().isArray()) {
336 output.println(" "+arraytype+"_"+ state.getArrayNumber(fd.getType()) +" * "+fd.getSymbol()+";");
337 } else if (fd.getType().isClass())
338 output.println(" "+fd.getType().getRepairSymbol()+" * "+fd.getSymbol()+";");
339 else if (fd.getType().isFloat())
340 output.println(" int "+fd.getSymbol()+"; /* really float */");
342 output.println(" "+fd.getType().getRepairSymbol()+" "+fd.getSymbol()+";");
346 /** This method outputs TaskDescriptor information */
347 void generateTaskDescriptor(PrintWriter output, TaskDescriptor task) {
348 for (int i=0;i<task.numParameters();i++) {
349 VarDescriptor param_var=task.getParameter(i);
350 TypeDescriptor param_type=task.getParamType(i);
351 FlagExpressionNode param_flag=task.getFlag(param_var);
352 DNFFlag dflag=param_flag.getDNF();
354 Hashtable flags=(Hashtable)flagorder.get(param_type.getClassDesc());
356 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
357 for(int j=0;j<dflag.size();j++) {
360 Vector term=dflag.get(j);
363 for(int k=0;k<term.size();k++) {
364 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
365 FlagDescriptor fd=dfa.getFlag();
366 boolean negated=dfa.getNegated();
367 int flagid=1<<((Integer)flags.get(fd)).intValue();
372 output.print("0x"+Integer.toHexString(andmask)+", 0x"+Integer.toHexString(checkmask));
374 output.println("};");
376 output.println("struct parameterdescriptor parameter_"+i+"_"+task.getSafeSymbol()+"={");
377 output.println("/* type */"+param_type.getClassDesc().getId()+",");
378 output.println("/* number of DNF terms */"+dflag.size()+",");
379 output.println("parameterdnf_"+i+"_"+task.getSafeSymbol()+",");
381 output.println("};");
385 output.println("struct parameterdescriptor * parameterdescriptors_"+task.getSafeSymbol()+"[] = {");
386 for (int i=0;i<task.numParameters();i++) {
389 output.print("¶meter_"+i+"_"+task.getSafeSymbol());
391 output.println("};");
393 output.println("struct taskdescriptor task_"+task.getSafeSymbol()+"={");
394 output.println("&"+task.getSafeSymbol()+",");
395 output.println("/* number of parameters */" +task.numParameters() + ",");
396 output.println("parameterdescriptors_"+task.getSafeSymbol()+",");
397 output.println("\""+task.getSymbol()+"\"");
398 output.println("};");
402 /** The buildVirtualTables method outputs the virtual dispatch
403 * tables for methods. */
405 private void buildVirtualTables(PrintWriter outvirtual) {
406 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
407 while(classit.hasNext()) {
408 ClassDescriptor cd=(ClassDescriptor)classit.next();
409 if (virtualcalls.getMethodCount(cd)>maxcount)
410 maxcount=virtualcalls.getMethodCount(cd);
412 MethodDescriptor[][] virtualtable=new MethodDescriptor[state.numClasses()+state.numArrays()][maxcount];
414 /* Fill in virtual table */
415 classit=state.getClassSymbolTable().getDescriptorsIterator();
416 while(classit.hasNext()) {
417 ClassDescriptor cd=(ClassDescriptor)classit.next();
418 fillinRow(cd, virtualtable, cd.getId());
421 ClassDescriptor objectcd=typeutil.getClass(TypeUtil.ObjectClass);
422 Iterator arrayit=state.getArrayIterator();
423 while(arrayit.hasNext()) {
424 TypeDescriptor td=(TypeDescriptor)arrayit.next();
425 int id=state.getArrayNumber(td);
426 fillinRow(objectcd, virtualtable, id+state.numClasses());
429 outvirtual.print("void * virtualtable[]={");
430 boolean needcomma=false;
431 for(int i=0;i<state.numClasses()+state.numArrays();i++) {
432 for(int j=0;j<maxcount;j++) {
434 outvirtual.print(", ");
435 if (virtualtable[i][j]!=null) {
436 MethodDescriptor md=virtualtable[i][j];
437 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
439 outvirtual.print("0");
443 outvirtual.println("");
445 outvirtual.println("};");
449 private void fillinRow(ClassDescriptor cd, MethodDescriptor[][] virtualtable, int rownum) {
450 /* Get inherited methods */
451 if (cd.getSuperDesc()!=null)
452 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
453 /* Override them with our methods */
454 for(Iterator it=cd.getMethods();it.hasNext();) {
455 MethodDescriptor md=(MethodDescriptor)it.next();
456 if (md.isStatic()||md.getReturnType()==null)
458 int methodnum=virtualcalls.getMethodNumber(md);
459 virtualtable[rownum][methodnum]=md;
463 /** Generate array that contains the sizes of class objects. The
464 * object allocation functions in the runtime use this
467 private void generateSizeArray(PrintWriter outclassdefs) {
468 outclassdefs.print("int classsize[]={");
469 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
470 cdarray=new ClassDescriptor[state.numClasses()];
471 while(it.hasNext()) {
472 ClassDescriptor cd=(ClassDescriptor)it.next();
473 cdarray[cd.getId()]=cd;
475 boolean needcomma=false;
476 for(int i=0;i<state.numClasses();i++) {
478 outclassdefs.print(", ");
479 outclassdefs.print("sizeof(struct "+cdarray[i].getSafeSymbol()+")");
483 arraytable=new TypeDescriptor[state.numArrays()];
485 Iterator arrayit=state.getArrayIterator();
486 while(arrayit.hasNext()) {
487 TypeDescriptor td=(TypeDescriptor)arrayit.next();
488 int id=state.getArrayNumber(td);
492 for(int i=0;i<state.numArrays();i++) {
494 outclassdefs.print(", ");
495 TypeDescriptor tdelement=arraytable[i].dereference();
496 if (tdelement.isArray()||tdelement.isClass())
497 outclassdefs.print("sizeof(void *)");
499 outclassdefs.print("sizeof("+tdelement.getSafeSymbol()+")");
503 outclassdefs.println("};");
506 /** Constructs params and temp objects for each method or task.
507 * These objects tell the compiler which temps need to be
510 private void generateTempStructs(FlatMethod fm) {
511 MethodDescriptor md=fm.getMethod();
512 TaskDescriptor task=fm.getTask();
514 ParamsObject objectparams=md!=null?new ParamsObject(md,tag++):new ParamsObject(task, tag++);
516 paramstable.put(md, objectparams);
518 paramstable.put(task, objectparams);
520 for(int i=0;i<fm.numParameters();i++) {
521 TempDescriptor temp=fm.getParameter(i);
522 TypeDescriptor type=temp.getType();
523 if ((type.isPtr()||type.isArray())&&GENERATEPRECISEGC)
524 objectparams.addPtr(temp);
526 objectparams.addPrim(temp);
529 TempObject objecttemps=md!=null?new TempObject(objectparams,md,tag++):new TempObject(objectparams, task, tag++);
531 tempstable.put(md, objecttemps);
533 tempstable.put(task, objecttemps);
535 for(Iterator nodeit=fm.getNodeSet().iterator();nodeit.hasNext();) {
536 FlatNode fn=(FlatNode)nodeit.next();
537 TempDescriptor[] writes=fn.writesTemps();
538 for(int i=0;i<writes.length;i++) {
539 TempDescriptor temp=writes[i];
540 TypeDescriptor type=temp.getType();
541 if ((type.isPtr()||type.isArray())&&GENERATEPRECISEGC)
542 objecttemps.addPtr(temp);
544 objecttemps.addPrim(temp);
549 private void generateLayoutStructs(PrintWriter output) {
550 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
551 while(it.hasNext()) {
552 ClassDescriptor cn=(ClassDescriptor)it.next();
553 output.println("int "+cn.getSafeSymbol()+"_pointers[]={");
554 Iterator allit=cn.getFieldTable().getAllDescriptorsIterator();
556 while(allit.hasNext()) {
557 FieldDescriptor fd=(FieldDescriptor)allit.next();
558 TypeDescriptor type=fd.getType();
559 if (type.isPtr()||type.isArray())
563 allit=cn.getFieldTable().getAllDescriptorsIterator();
564 while(allit.hasNext()) {
565 FieldDescriptor fd=(FieldDescriptor)allit.next();
566 TypeDescriptor type=fd.getType();
567 if (type.isPtr()||type.isArray()) {
569 output.print("((int)&(((struct "+cn.getSafeSymbol() +" *)0)->"+fd.getSafeSymbol()+"))");
572 output.println("};");
574 output.println("int * pointerarray[]={");
575 boolean needcomma=false;
576 for(int i=0;i<state.numClasses();i++) {
577 ClassDescriptor cn=cdarray[i];
581 output.print(cn.getSafeSymbol()+"_pointers");
584 for(int i=0;i<state.numArrays();i++) {
586 output.println(", ");
587 TypeDescriptor tdelement=arraytable[i].dereference();
588 if (tdelement.isArray()||tdelement.isClass())
589 output.print("((int *)1)");
595 output.println("};");
597 output.println("int hasflags[]={");
598 for(int i=0;i<state.numClasses();i++) {
599 ClassDescriptor cn=cdarray[i];
601 output.println(", ");
608 output.println("};");
611 /** Print out table to give us supertypes */
612 private void generateSuperTypeTable(PrintWriter output) {
613 output.println("int supertypes[]={");
614 boolean needcomma=false;
615 for(int i=0;i<state.numClasses();i++) {
616 ClassDescriptor cn=cdarray[i];
620 if (cn.getSuperDesc()!=null) {
621 ClassDescriptor cdsuper=cn.getSuperDesc();
622 output.print(cdsuper.getId());
626 output.println("};");
629 /** Force consistent field ordering between inherited classes. */
631 private void printClassStruct(ClassDescriptor cn, PrintWriter classdefout) {
632 ClassDescriptor sp=cn.getSuperDesc();
634 printClassStruct(sp, classdefout);
636 if (!fieldorder.containsKey(cn)) {
637 Vector fields=new Vector();
638 fieldorder.put(cn,fields);
639 Iterator fieldit=cn.getFields();
640 while(fieldit.hasNext()) {
641 FieldDescriptor fd=(FieldDescriptor)fieldit.next();
642 if (sp==null||!sp.getFieldTable().contains(fd.getSymbol()))
646 Vector fields=(Vector)fieldorder.get(cn);
648 for(int i=0;i<fields.size();i++) {
649 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
650 if (fd.getType().isClass()||fd.getType().isArray())
651 classdefout.println(" struct "+fd.getType().getSafeSymbol()+" * "+fd.getSafeSymbol()+";");
653 classdefout.println(" "+fd.getType().getSafeSymbol()+" "+fd.getSafeSymbol()+";");
658 /* Map flags to integers consistently between inherited
661 private void mapFlags(ClassDescriptor cn) {
662 ClassDescriptor sp=cn.getSuperDesc();
666 if (!flagorder.containsKey(cn)) {
667 Hashtable flags=new Hashtable();
668 flagorder.put(cn,flags);
670 Hashtable superflags=(Hashtable)flagorder.get(sp);
671 Iterator superflagit=superflags.keySet().iterator();
672 while(superflagit.hasNext()) {
673 FlagDescriptor fd=(FlagDescriptor)superflagit.next();
674 Integer number=(Integer)superflags.get(fd);
675 flags.put(fd, number);
676 if ((number.intValue()+1)>max)
677 max=number.intValue()+1;
681 Iterator flagit=cn.getFlags();
682 while(flagit.hasNext()) {
683 FlagDescriptor fd=(FlagDescriptor)flagit.next();
684 if (sp==null||!sp.getFlagTable().contains(fd.getSymbol()))
685 flags.put(fd, new Integer(max++));
691 /** This function outputs (1) structures that parameters are
692 * passed in (when PRECISE GC is enabled) and (2) function
693 * prototypes for the methods */
695 private void generateCallStructs(ClassDescriptor cn, PrintWriter classdefout, PrintWriter output, PrintWriter headersout) {
696 /* Output class structure */
697 classdefout.println("struct "+cn.getSafeSymbol()+" {");
698 classdefout.println(" int type;");
699 classdefout.println(" int flag;");
702 classdefout.println(" void * flagptr;");
704 printClassStruct(cn, classdefout);
705 classdefout.println("};\n");
707 /* Cycle through methods */
708 Iterator methodit=cn.getMethods();
709 while(methodit.hasNext()) {
710 /* Classify parameters */
711 MethodDescriptor md=(MethodDescriptor)methodit.next();
712 FlatMethod fm=state.getMethodFlat(md);
713 generateTempStructs(fm);
715 ParamsObject objectparams=(ParamsObject) paramstable.get(md);
716 TempObject objecttemps=(TempObject) tempstable.get(md);
718 /* Output parameter structure */
719 if (GENERATEPRECISEGC) {
720 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
721 output.println(" int size;");
722 output.println(" void * next;");
723 for(int i=0;i<objectparams.numPointers();i++) {
724 TempDescriptor temp=objectparams.getPointer(i);
725 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
727 output.println("};\n");
730 /* Output temp structure */
731 if (GENERATEPRECISEGC) {
732 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
733 output.println(" int size;");
734 output.println(" void * next;");
735 for(int i=0;i<objecttemps.numPointers();i++) {
736 TempDescriptor temp=objecttemps.getPointer(i);
737 if (temp.getType().isNull())
738 output.println(" void * "+temp.getSafeSymbol()+";");
740 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
742 output.println("};\n");
745 /* Output method declaration */
746 if (md.getReturnType()!=null) {
747 if (md.getReturnType().isClass()||md.getReturnType().isArray())
748 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
750 headersout.print(md.getReturnType().getSafeSymbol()+" ");
752 //catch the constructor case
753 headersout.print("void ");
754 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
756 boolean printcomma=false;
757 if (GENERATEPRECISEGC) {
758 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
762 //output parameter list
763 for(int i=0;i<objectparams.numPrimitives();i++) {
764 TempDescriptor temp=objectparams.getPrimitive(i);
766 headersout.print(", ");
768 if (temp.getType().isClass()||temp.getType().isArray())
769 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
771 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
773 headersout.println(");\n");
778 /** This function outputs (1) structures that parameters are
779 * passed in (when PRECISE GC is enabled) and (2) function
780 * prototypes for the tasks */
782 private void generateTaskStructs(PrintWriter output, PrintWriter headersout) {
783 /* Cycle through tasks */
784 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
786 while(taskit.hasNext()) {
787 /* Classify parameters */
788 TaskDescriptor task=(TaskDescriptor)taskit.next();
789 FlatMethod fm=state.getMethodFlat(task);
790 generateTempStructs(fm);
792 ParamsObject objectparams=(ParamsObject) paramstable.get(task);
793 TempObject objecttemps=(TempObject) tempstable.get(task);
795 /* Output parameter structure */
796 if (GENERATEPRECISEGC) {
797 output.println("struct "+task.getSafeSymbol()+"_params {");
799 output.println(" int size;");
800 output.println(" void * next;");
801 for(int i=0;i<objectparams.numPointers();i++) {
802 TempDescriptor temp=objectparams.getPointer(i);
803 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
805 output.println("};\n");
806 if (objectparams.numPointers()>maxtaskparams)
807 maxtaskparams=objectparams.numPointers();
810 /* Output temp structure */
811 if (GENERATEPRECISEGC) {
812 output.println("struct "+task.getSafeSymbol()+"_locals {");
813 output.println(" int size;");
814 output.println(" void * next;");
815 for(int i=0;i<objecttemps.numPointers();i++) {
816 TempDescriptor temp=objecttemps.getPointer(i);
817 if (temp.getType().isNull())
818 output.println(" void * "+temp.getSafeSymbol()+";");
820 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
822 output.println("};\n");
825 /* Output task declaration */
826 headersout.print("void " + task.getSafeSymbol()+"(");
828 boolean printcomma=false;
829 if (GENERATEPRECISEGC) {
830 headersout.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
832 headersout.print("void * parameterarray[]");
833 headersout.println(");\n");
837 /** Generate code for flatmethod fm. */
839 private void generateFlatMethod(FlatMethod fm, PrintWriter output) {
840 MethodDescriptor md=fm.getMethod();
841 TaskDescriptor task=fm.getTask();
843 ClassDescriptor cn=md!=null?md.getClassDesc():null;
845 ParamsObject objectparams=(ParamsObject)paramstable.get(md!=null?md:task);
847 generateHeader(md!=null?md:task,output);
849 TempObject objecttemp=(TempObject) tempstable.get(md!=null?md:task);
852 if (GENERATEPRECISEGC) {
854 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
856 output.print(" struct "+task.getSafeSymbol()+"_locals "+localsprefix+"={");
858 output.print(objecttemp.numPointers()+",");
859 output.print(paramsprefix);
860 for(int j=0;j<objecttemp.numPointers();j++)
861 output.print(", NULL");
862 output.println("};");
865 for(int i=0;i<objecttemp.numPrimitives();i++) {
866 TempDescriptor td=objecttemp.getPrimitive(i);
867 TypeDescriptor type=td.getType();
869 output.println(" void * "+td.getSafeSymbol()+";");
870 else if (type.isClass()||type.isArray())
871 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
873 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
876 /* Generate labels first */
877 HashSet tovisit=new HashSet();
878 HashSet visited=new HashSet();
880 Hashtable nodetolabel=new Hashtable();
881 tovisit.add(fm.methodEntryNode());
882 FlatNode current_node=null;
885 //Node needs a label if it is
886 while(!tovisit.isEmpty()) {
887 FlatNode fn=(FlatNode)tovisit.iterator().next();
890 for(int i=0;i<fn.numNext();i++) {
891 FlatNode nn=fn.getNext(i);
894 nodetolabel.put(nn,new Integer(labelindex++));
896 if (!visited.contains(nn)&&!tovisit.contains(nn)) {
900 nodetolabel.put(nn,new Integer(labelindex++));
905 //Do the actual code generation
906 tovisit=new HashSet();
907 visited=new HashSet();
908 tovisit.add(fm.methodEntryNode());
909 while(current_node!=null||!tovisit.isEmpty()) {
910 if (current_node==null) {
911 current_node=(FlatNode)tovisit.iterator().next();
912 tovisit.remove(current_node);
914 visited.add(current_node);
915 if (nodetolabel.containsKey(current_node))
916 output.println("L"+nodetolabel.get(current_node)+":");
917 if (state.INSTRUCTIONFAILURE) {
918 output.println("if ((--instructioncount)==0) injectinstructionfailure();");
920 if (current_node.numNext()==0) {
922 generateFlatNode(fm, current_node, output);
923 if (current_node.kind()!=FKind.FlatReturnNode) {
924 output.println(" return;");
927 } else if(current_node.numNext()==1) {
929 generateFlatNode(fm, current_node, output);
930 FlatNode nextnode=current_node.getNext(0);
931 if (visited.contains(nextnode)) {
932 output.println("goto L"+nodetolabel.get(nextnode)+";");
935 current_node=nextnode;
936 } else if (current_node.numNext()==2) {
939 generateFlatCondBranch(fm, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
940 if (!visited.contains(current_node.getNext(1)))
941 tovisit.add(current_node.getNext(1));
942 if (visited.contains(current_node.getNext(0))) {
943 output.println("goto L"+nodetolabel.get(current_node.getNext(0))+";");
946 current_node=current_node.getNext(0);
947 } else throw new Error();
951 output.println("}\n\n");
954 /** Generate text string that corresponds to the Temp td. */
955 private String generateTemp(FlatMethod fm, TempDescriptor td) {
956 MethodDescriptor md=fm.getMethod();
957 TaskDescriptor task=fm.getTask();
958 TempObject objecttemps=(TempObject) tempstable.get(md!=null?md:task);
960 if (objecttemps.isLocalPrim(td)||objecttemps.isParamPrim(td)) {
961 return td.getSafeSymbol();
964 if (objecttemps.isLocalPtr(td)) {
965 return localsprefix+"."+td.getSafeSymbol();
968 if (objecttemps.isParamPtr(td)) {
969 return paramsprefix+"->"+td.getSafeSymbol();
974 private void generateFlatNode(FlatMethod fm, FlatNode fn, PrintWriter output) {
977 generateFlatCall(fm, (FlatCall) fn,output);
979 case FKind.FlatFieldNode:
980 generateFlatFieldNode(fm, (FlatFieldNode) fn,output);
982 case FKind.FlatElementNode:
983 generateFlatElementNode(fm, (FlatElementNode) fn,output);
985 case FKind.FlatSetElementNode:
986 generateFlatSetElementNode(fm, (FlatSetElementNode) fn,output);
988 case FKind.FlatSetFieldNode:
989 generateFlatSetFieldNode(fm, (FlatSetFieldNode) fn,output);
992 generateFlatNew(fm, (FlatNew) fn,output);
994 case FKind.FlatOpNode:
995 generateFlatOpNode(fm, (FlatOpNode) fn,output);
997 case FKind.FlatCastNode:
998 generateFlatCastNode(fm, (FlatCastNode) fn,output);
1000 case FKind.FlatLiteralNode:
1001 generateFlatLiteralNode(fm, (FlatLiteralNode) fn,output);
1003 case FKind.FlatReturnNode:
1004 generateFlatReturnNode(fm, (FlatReturnNode) fn,output);
1007 output.println("/* nop */");
1009 case FKind.FlatCheckNode:
1010 generateFlatCheckNode(fm, (FlatCheckNode) fn, output);
1012 case FKind.FlatFlagActionNode:
1013 generateFlatFlagActionNode(fm, (FlatFlagActionNode) fn, output);
1020 private void generateFlatCheckNode(FlatMethod fm, FlatCheckNode fcn, PrintWriter output) {
1022 if (state.CONSCHECK) {
1023 String specname=fcn.getSpec();
1024 String varname="repairstate___";
1025 output.println("{");
1026 output.println("struct "+specname+"_state * "+varname+"=allocate"+specname+"_state();");
1028 TempDescriptor[] temps=fcn.getTemps();
1029 String[] vars=fcn.getVars();
1030 for(int i=0;i<temps.length;i++) {
1031 output.println(varname+"->"+vars[i]+"=(int)"+generateTemp(fm, temps[i])+";");
1034 output.println("if (doanalysis"+specname+"("+varname+")) {");
1035 output.println("free"+specname+"_state("+varname+");");
1036 output.println("} else {");
1037 output.println("/* Bad invariant */");
1038 output.println("free"+specname+"_state("+varname+");");
1039 output.println("abort_task();");
1040 output.println("}");
1042 output.println("}");
1046 private void generateFlatCall(FlatMethod fm, FlatCall fc, PrintWriter output) {
1047 MethodDescriptor md=fc.getMethod();
1048 ParamsObject objectparams=(ParamsObject) paramstable.get(md);
1049 ClassDescriptor cn=md.getClassDesc();
1050 output.println("{");
1051 if (GENERATEPRECISEGC) {
1052 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
1054 output.print(objectparams.numPointers());
1055 // output.print(objectparams.getUID());
1056 output.print(", & "+localsprefix);
1057 if (fc.getThis()!=null) {
1059 output.print("(struct "+md.getThis().getType().getSafeSymbol() +" *)"+ generateTemp(fm,fc.getThis()));
1061 for(int i=0;i<fc.numArgs();i++) {
1062 VarDescriptor var=md.getParameter(i);
1063 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
1064 if (objectparams.isParamPtr(paramtemp)) {
1065 TempDescriptor targ=fc.getArg(i);
1067 output.print("(struct "+md.getParamType(i).getSafeSymbol() +" *)"+generateTemp(fm, targ));
1070 output.println("};");
1075 if (fc.getReturnTemp()!=null)
1076 output.print(generateTemp(fm,fc.getReturnTemp())+"=");
1078 /* Do we need to do virtual dispatch? */
1079 if (md.isStatic()||md.getReturnType()==null||singleCall(fc.getThis().getType().getClassDesc(),md)) {
1080 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
1084 if (md.getReturnType().isClass()||md.getReturnType().isArray())
1085 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1087 output.print(md.getReturnType().getSafeSymbol()+" ");
1088 output.print("(*)(");
1090 boolean printcomma=false;
1091 if (GENERATEPRECISEGC) {
1092 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * ");
1097 for(int i=0;i<objectparams.numPrimitives();i++) {
1098 TempDescriptor temp=objectparams.getPrimitive(i);
1102 if (temp.getType().isClass()||temp.getType().isArray())
1103 output.print("struct " + temp.getType().getSafeSymbol()+" * ");
1105 output.print(temp.getType().getSafeSymbol());
1108 output.print("))virtualtable["+generateTemp(fm,fc.getThis())+"->type*"+maxcount+"+"+virtualcalls.getMethodNumber(md)+"])");
1112 boolean needcomma=false;
1113 if (GENERATEPRECISEGC) {
1114 output.print("&__parameterlist__");
1117 if (fc.getThis()!=null) {
1118 TypeDescriptor ptd=md.getThis().getType();
1119 if (ptd.isClass()&&!ptd.isArray())
1120 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
1121 output.print(generateTemp(fm,fc.getThis()));
1125 for(int i=0;i<fc.numArgs();i++) {
1126 VarDescriptor var=md.getParameter(i);
1127 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
1128 if (objectparams.isParamPrim(paramtemp)) {
1129 TempDescriptor targ=fc.getArg(i);
1133 TypeDescriptor ptd=md.getParamType(i);
1134 if (ptd.isClass()&&!ptd.isArray())
1135 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
1136 output.print(generateTemp(fm, targ));
1140 output.println(");");
1141 output.println(" }");
1144 private boolean singleCall(ClassDescriptor thiscd, MethodDescriptor md) {
1145 Set subclasses=typeutil.getSubClasses(thiscd);
1146 if (subclasses==null)
1148 for(Iterator classit=subclasses.iterator();classit.hasNext();) {
1149 ClassDescriptor cd=(ClassDescriptor)classit.next();
1150 Set possiblematches=cd.getMethodTable().getSet(md.getSymbol());
1151 for(Iterator matchit=possiblematches.iterator();matchit.hasNext();) {
1152 MethodDescriptor matchmd=(MethodDescriptor)matchit.next();
1153 if (md.matches(matchmd))
1160 private void generateFlatFieldNode(FlatMethod fm, FlatFieldNode ffn, PrintWriter output) {
1161 output.println(generateTemp(fm, ffn.getDst())+"="+ generateTemp(fm,ffn.getSrc())+"->"+ ffn.getField().getSafeSymbol()+";");
1164 private void generateFlatSetFieldNode(FlatMethod fm, FlatSetFieldNode fsfn, PrintWriter output) {
1165 if (fsfn.getField().getSymbol().equals("length")&&fsfn.getDst().getType().isArray())
1166 throw new Error("Can't set array length");
1167 output.println(generateTemp(fm, fsfn.getDst())+"->"+ fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc())+";");
1170 private void generateFlatElementNode(FlatMethod fm, FlatElementNode fen, PrintWriter output) {
1171 TypeDescriptor elementtype=fen.getSrc().getType().dereference();
1174 if (elementtype.isArray()||elementtype.isClass())
1177 type=elementtype.getSafeSymbol()+" ";
1179 if (fen.needsBoundsCheck()) {
1180 output.println("if ("+generateTemp(fm, fen.getIndex())+"< 0 || "+generateTemp(fm, fen.getIndex())+" >= "+generateTemp(fm,fen.getSrc()) + "->___length___)");
1181 output.println("failedboundschk();");
1184 output.println(generateTemp(fm, fen.getDst())+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc())+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex())+"];");
1187 private void generateFlatSetElementNode(FlatMethod fm, FlatSetElementNode fsen, PrintWriter output) {
1188 //TODO: need dynamic check to make sure this assignment is actually legal
1189 //Because Object[] could actually be something more specific...ie. Integer[]
1191 TypeDescriptor elementtype=fsen.getDst().getType().dereference();
1194 if (elementtype.isArray()||elementtype.isClass())
1197 type=elementtype.getSafeSymbol()+" ";
1199 if (fsen.needsBoundsCheck()) {
1200 output.println("if ("+generateTemp(fm, fsen.getIndex())+"< 0 || "+generateTemp(fm, fsen.getIndex())+" >= "+generateTemp(fm,fsen.getDst()) + "->___length___)");
1201 output.println("failedboundschk();");
1204 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst())+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex())+"]="+generateTemp(fm,fsen.getSrc())+";");
1207 private void generateFlatNew(FlatMethod fm, FlatNew fn, PrintWriter output) {
1208 if (fn.getType().isArray()) {
1209 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
1210 if (GENERATEPRECISEGC) {
1211 output.println(generateTemp(fm,fn.getDst())+"=allocate_newarray(&"+localsprefix+", "+arrayid+", "+generateTemp(fm, fn.getSize())+");");
1213 output.println(generateTemp(fm,fn.getDst())+"=allocate_newarray("+arrayid+", "+generateTemp(fm, fn.getSize())+");");
1216 if (GENERATEPRECISEGC) {
1217 output.println(generateTemp(fm,fn.getDst())+"=allocate_new(&"+localsprefix+", "+fn.getType().getClassDesc().getId()+");");
1219 output.println(generateTemp(fm,fn.getDst())+"=allocate_new("+fn.getType().getClassDesc().getId()+");");
1224 private void generateFlatOpNode(FlatMethod fm, FlatOpNode fon, PrintWriter output) {
1226 if (fon.getRight()!=null)
1227 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+fon.getOp().toString()+generateTemp(fm,fon.getRight())+";");
1228 else if (fon.getOp().getOp()==Operation.ASSIGN)
1229 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+";");
1230 else if (fon.getOp().getOp()==Operation.UNARYPLUS)
1231 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+";");
1232 else if (fon.getOp().getOp()==Operation.UNARYMINUS)
1233 output.println(generateTemp(fm, fon.getDest())+" = -"+generateTemp(fm, fon.getLeft())+";");
1234 else if (fon.getOp().getOp()==Operation.LOGIC_NOT)
1235 output.println(generateTemp(fm, fon.getDest())+" = !"+generateTemp(fm, fon.getLeft())+";");
1237 output.println(generateTemp(fm, fon.getDest())+fon.getOp().toString()+generateTemp(fm, fon.getLeft())+";");
1240 private void generateFlatCastNode(FlatMethod fm, FlatCastNode fcn, PrintWriter output) {
1241 /* TODO: Do type check here */
1242 if (fcn.getType().isArray()) {
1244 } else if (fcn.getType().isClass())
1245 output.println(generateTemp(fm,fcn.getDst())+"=(struct "+fcn.getType().getSafeSymbol()+" *)"+generateTemp(fm,fcn.getSrc())+";");
1247 output.println(generateTemp(fm,fcn.getDst())+"=("+fcn.getType().getSafeSymbol()+")"+generateTemp(fm,fcn.getSrc())+";");
1250 private void generateFlatLiteralNode(FlatMethod fm, FlatLiteralNode fln, PrintWriter output) {
1251 if (fln.getValue()==null)
1252 output.println(generateTemp(fm, fln.getDst())+"=0;");
1253 else if (fln.getType().getSymbol().equals(TypeUtil.StringClass)) {
1254 if (GENERATEPRECISEGC) {
1255 output.println(generateTemp(fm, fln.getDst())+"=NewString(&"+localsprefix+", \""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
1257 output.println(generateTemp(fm, fln.getDst())+"=NewString(\""+FlatLiteralNode.escapeString((String)fln.getValue())+"\","+((String)fln.getValue()).length()+");");
1259 } else if (fln.getType().isBoolean()) {
1260 if (((Boolean)fln.getValue()).booleanValue())
1261 output.println(generateTemp(fm, fln.getDst())+"=1;");
1263 output.println(generateTemp(fm, fln.getDst())+"=0;");
1264 } else if (fln.getType().isChar()) {
1265 String st=FlatLiteralNode.escapeString(fln.getValue().toString());
1266 output.println(generateTemp(fm, fln.getDst())+"='"+st+"';");
1268 output.println(generateTemp(fm, fln.getDst())+"="+fln.getValue()+";");
1271 private void generateFlatReturnNode(FlatMethod fm, FlatReturnNode frn, PrintWriter output) {
1273 if (frn.getReturnTemp()!=null)
1274 output.println("return "+generateTemp(fm, frn.getReturnTemp())+";");
1276 output.println("return;");
1279 private void generateFlatCondBranch(FlatMethod fm, FlatCondBranch fcb, String label, PrintWriter output) {
1280 output.println("if (!"+generateTemp(fm, fcb.getTest())+") goto "+label+";");
1283 private void generateHeader(Descriptor des, PrintWriter output) {
1285 ParamsObject objectparams=(ParamsObject)paramstable.get(des);
1286 MethodDescriptor md=null;
1287 TaskDescriptor task=null;
1288 if (des instanceof MethodDescriptor)
1289 md=(MethodDescriptor) des;
1291 task=(TaskDescriptor) des;
1293 ClassDescriptor cn=md!=null?md.getClassDesc():null;
1295 if (md!=null&&md.getReturnType()!=null) {
1296 if (md.getReturnType().isClass()||md.getReturnType().isArray())
1297 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1299 output.print(md.getReturnType().getSafeSymbol()+" ");
1301 //catch the constructor case
1302 output.print("void ");
1304 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1306 output.print(task.getSafeSymbol()+"(");
1308 boolean printcomma=false;
1309 if (GENERATEPRECISEGC) {
1311 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1313 output.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
1318 for(int i=0;i<objectparams.numPrimitives();i++) {
1319 TempDescriptor temp=objectparams.getPrimitive(i);
1323 if (temp.getType().isClass()||temp.getType().isArray())
1324 output.print("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1326 output.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1328 output.println(") {");
1329 } else if (!GENERATEPRECISEGC){
1330 output.println("void * parameterarray[]) {");
1331 for(int i=0;i<objectparams.numPrimitives();i++) {
1332 TempDescriptor temp=objectparams.getPrimitive(i);
1333 output.println("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+"=parameterarray["+i+"];");
1335 if (objectparams.numPrimitives()>maxtaskparams)
1336 maxtaskparams=objectparams.numPrimitives();
1337 } else output.println(") {");
1340 public void generateFlatFlagActionNode(FlatMethod fm, FlatFlagActionNode ffan, PrintWriter output) {
1341 output.println("/* FlatFlagActionNode */");
1342 Hashtable flagandtable=new Hashtable();
1343 Hashtable flagortable=new Hashtable();
1346 Iterator flagsit=ffan.getTempFlagPairs();
1347 while(flagsit.hasNext()) {
1348 TempFlagPair tfp=(TempFlagPair)flagsit.next();
1349 TempDescriptor temp=tfp.getTemp();
1350 Hashtable flagtable=(Hashtable)flagorder.get(temp.getType().getClassDesc());
1351 FlagDescriptor flag=tfp.getFlag();
1352 int flagid=1<<((Integer)flagtable.get(flag)).intValue();
1353 boolean flagstatus=ffan.getFlagChange(tfp);
1356 if (flagortable.containsKey(temp)) {
1357 mask=((Integer)flagortable.get(temp)).intValue();
1360 flagortable.put(temp,new Integer(mask));
1362 int mask=0xFFFFFFFF;
1363 if (flagandtable.containsKey(temp)) {
1364 mask=((Integer)flagandtable.get(temp)).intValue();
1366 mask&=(0xFFFFFFFF^flagid);
1367 flagandtable.put(temp,new Integer(mask));
1370 Iterator orit=flagortable.keySet().iterator();
1371 while(orit.hasNext()) {
1372 TempDescriptor temp=(TempDescriptor)orit.next();
1373 int ormask=((Integer)flagortable.get(temp)).intValue();
1374 int andmask=0xFFFFFFF;
1375 if (flagandtable.containsKey(temp))
1376 andmask=((Integer)flagandtable.get(temp)).intValue();
1377 output.println("flagorand("+generateTemp(fm, temp)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
1379 Iterator andit=flagandtable.keySet().iterator();
1380 while(andit.hasNext()) {
1381 TempDescriptor temp=(TempDescriptor)andit.next();
1382 int andmask=((Integer)flagandtable.get(temp)).intValue();
1383 if (!flagortable.containsKey(temp))
1384 output.println("flagorand("+generateTemp(fm, temp)+", 0, 0x"+Integer.toHexString(andmask)+");");