2 import IR.Tree.Modifiers;
3 import IR.Tree.FlagExpressionNode;
4 import IR.Tree.DNFFlag;
5 import IR.Tree.DNFFlagAtom;
6 import IR.Tree.TagExpressionList;
7 import IR.Tree.OffsetNode;
9 import IR.Tree.JavaBuilder;
15 import Analysis.TaskStateAnalysis.FlagState;
16 import Analysis.TaskStateAnalysis.FlagComparator;
17 import Analysis.TaskStateAnalysis.OptionalTaskDescriptor;
18 import Analysis.TaskStateAnalysis.Predicate;
19 import Analysis.TaskStateAnalysis.SafetyAnalysis;
20 import Analysis.TaskStateAnalysis.TaskIndex;
21 import Analysis.CallGraph.CallGraph;
22 import Analysis.Loops.GlobalFieldType;
23 import Util.CodePrinter;
25 public class BuildCode {
28 Hashtable paramstable;
33 String localsprefix="___locals___";
34 String localsprefixaddr="&"+localsprefix;
35 String localsprefixderef=localsprefix+".";
36 String fcrevert="___fcrevert___";
37 String paramsprefix="___params___";
38 String nextobjstr="___nextobject___";
39 String localcopystr="___localcopy___";
40 public static boolean GENERATEPRECISEGC=false;
41 public static String PREFIX="";
42 public static String arraytype="ArrayObject";
43 public static int flagcount = 0;
45 public TypeUtil typeutil;
46 protected int maxtaskparams=0;
47 protected int maxcount=0;
48 ClassDescriptor[] cdarray;
49 ClassDescriptor[] ifarray;
50 TypeDescriptor[] arraytable;
53 Hashtable<String, ClassDescriptor> printedfieldstbl;
54 int globaldefscount=0;
55 boolean mgcstaticinit = false;
56 JavaBuilder javabuilder;
60 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, CallGraph callgraph, JavaBuilder javabuilder) {
61 this(st, temptovar, typeutil, null, callgraph, javabuilder);
64 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, CallGraph callgraph) {
65 this(st, temptovar, typeutil, null, callgraph, null);
68 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, SafetyAnalysis sa, CallGraph callgraph) {
69 this(st, temptovar, typeutil, sa, callgraph, null);
72 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, SafetyAnalysis sa, CallGraph callgraph, JavaBuilder javabuilder) {
75 this.javabuilder=javabuilder;
76 this.callgraph=callgraph;
77 this.temptovar=temptovar;
78 paramstable=new Hashtable();
79 tempstable=new Hashtable();
80 fieldorder=new Hashtable();
81 flagorder=new Hashtable();
82 this.typeutil=typeutil;
83 State.logEvent("Virtual");
84 virtualcalls=new Virtual(state, null, callgraph);
85 printedfieldstbl = new Hashtable<String, ClassDescriptor>();
86 extensions = new Vector<BuildCodeExtension>();
89 typeutil.getClass( TypeUtil.ObjectClass ).getSafeSymbol();
92 /** The buildCode method outputs C code for all the methods. The Flat
93 * versions of the methods must already be generated and stored in
94 * the State object. */
96 public void buildCode() {
97 /* Create output streams to write to */
98 PrintWriter outclassdefs=null;
99 PrintWriter outstructs=null;
100 PrintWriter outrepairstructs=null;
101 PrintWriter outmethodheader=null;
102 PrintWriter outmethod=null;
103 PrintWriter outvirtual=null;
104 PrintWriter outtask=null;
105 PrintWriter outtaskdefs=null;
106 PrintWriter outoptionalarrays=null;
107 PrintWriter optionalheaders=null;
108 PrintWriter outglobaldefs=null;
109 PrintWriter outglobaldefsprim=null;
110 State.logEvent("Beginning of buildCode");
113 buildCodeSetup(); //EXTENSION POINT
114 for(BuildCodeExtension bcx: extensions) {
115 bcx.buildCodeSetup();
118 outstructs=new CodePrinter(new FileOutputStream(PREFIX+"structdefs.h"), true);
119 outmethodheader=new CodePrinter(new FileOutputStream(PREFIX+"methodheaders.h"), true);
120 outclassdefs=new CodePrinter(new FileOutputStream(PREFIX+"classdefs.h"), true);
121 outglobaldefs=new CodePrinter(new FileOutputStream(PREFIX+"globaldefs.h"), true);
122 outglobaldefsprim=new CodePrinter(new FileOutputStream(PREFIX+"globaldefsprim.h"), true);
123 outmethod=new CodePrinter(new FileOutputStream(PREFIX+"methods.c"), true);
124 outvirtual=new CodePrinter(new FileOutputStream(PREFIX+"virtualtable.h"), true);
126 outtask=new CodePrinter(new FileOutputStream(PREFIX+"task.h"), true);
127 outtaskdefs=new CodePrinter(new FileOutputStream(PREFIX+"taskdefs.c"), true);
128 if (state.OPTIONAL) {
129 outoptionalarrays=new CodePrinter(new FileOutputStream(PREFIX+"optionalarrays.c"), true);
130 optionalheaders=new CodePrinter(new FileOutputStream(PREFIX+"optionalstruct.h"), true);
133 if (state.structfile!=null) {
134 outrepairstructs=new CodePrinter(new FileOutputStream(PREFIX+state.structfile+".struct"), true);
136 } catch (Exception e) {
141 /* Fix field safe symbols due to shadowing */
142 FieldShadow.handleFieldShadow(state);
144 /* Build the virtual dispatch tables */
145 buildVirtualTables(outvirtual);
147 /* Tag the methods that are invoked by static blocks */
148 tagMethodInvokedByStaticBlock();
150 /* Output includes */
151 outmethodheader.println("#ifndef METHODHEADERS_H");
152 outmethodheader.println("#define METHODHEADERS_H");
153 outmethodheader.println("#include \"structdefs.h\"");
155 if (state.EVENTMONITOR) {
156 outmethodheader.println("#include \"monitor.h\"");
159 additionalIncludesMethodsHeader(outmethodheader);
160 for(BuildCodeExtension bcx: extensions) {
161 bcx.additionalIncludesMethodsHeader(outmethodheader);
164 /* Output Structures */
165 outputStructs(outstructs);
167 initOutputGlobals(outglobaldefs, outglobaldefsprim);
169 outclassdefs.println("#ifndef __CLASSDEF_H_");
170 outclassdefs.println("#define __CLASSDEF_H_");
171 outputClassDeclarations(outclassdefs, outglobaldefs, outglobaldefsprim);
173 // Output function prototypes and structures for parameters
174 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
175 while(it.hasNext()) {
176 ClassDescriptor cn=(ClassDescriptor)it.next();
177 generateCallStructs(cn, outclassdefs, outstructs, outmethodheader, outglobaldefs, outglobaldefsprim);
179 outclassdefs.println("#include \"globaldefs.h\"");
180 outclassdefs.println("#include \"globaldefsprim.h\"");
181 outclassdefs.println("#endif");
182 outclassdefs.close();
184 finalOutputGlobals(outglobaldefs, outglobaldefsprim);
187 /* Map flags to integers */
188 /* The runtime keeps track of flags using these integers */
189 it=state.getClassSymbolTable().getDescriptorsIterator();
190 while(it.hasNext()) {
191 ClassDescriptor cn=(ClassDescriptor)it.next();
195 generateTaskStructs(outstructs, outmethodheader);
197 /* Outputs generic task structures if this is a task
199 outputTaskTypes(outtask);
202 // an opportunity for subclasses to do extra
204 preCodeGenInitialization();
205 for(BuildCodeExtension bcx: extensions) {
206 bcx.preCodeGenInitialization();
209 State.logEvent("Start outputMethods");
210 /* Build the actual methods */
211 outputMethods(outmethod);
212 State.logEvent("End outputMethods");
214 // opportunity for subclasses to gen extra code
215 additionalCodeGen(outmethodheader, outstructs, outmethod);
216 for(BuildCodeExtension bcx: extensions) {
217 bcx.additionalCodeGen(outmethodheader, outstructs, outmethod);
222 /* Output code for tasks */
223 outputTaskCode(outtaskdefs, outmethod);
226 /* Record maximum number of task parameters */
227 outstructs.println("#define MAXTASKPARAMS "+maxtaskparams);
228 } else if (state.main!=null) {
229 /* Generate main method */
230 outputMainMethod(outmethod);
233 /* Generate information for task with optional parameters */
234 if (state.TASK&&state.OPTIONAL) {
235 generateOptionalArrays(outoptionalarrays, optionalheaders, state.getAnalysisResult(), state.getOptionalTaskDescriptors());
236 outoptionalarrays.close();
237 optionalheaders.close();
240 /* Output structure definitions for repair tool */
241 if (state.structfile!=null) {
242 buildRepairStructs(outrepairstructs);
243 outrepairstructs.close();
247 outmethodheader.println("#endif");
248 outmethodheader.close();
250 outstructs.println("#endif");
251 outstructs.println();
254 postCodeGenCleanUp();
255 for(BuildCodeExtension bcx: extensions) {
256 bcx.postCodeGenCleanUp();
259 State.logEvent("End of buildCode");
262 protected void initOutputGlobals(PrintWriter outglobaldefs, PrintWriter outglobaldefsprim) {
263 // Output the C class declarations
264 // These could mutually reference each other
265 outglobaldefs.println("#ifndef __GLOBALDEF_H_");
266 outglobaldefs.println("#define __GLOBALDEF_H_");
267 outglobaldefs.println("");
268 outglobaldefs.println("struct global_defs_t {");
269 outglobaldefs.println(" int size;");
270 outglobaldefs.println(" void * next;");
271 outglobaldefs.println(" struct ArrayObject * classobjs;");
272 outglobaldefsprim.println("#ifndef __GLOBALDEFPRIM_H_");
273 outglobaldefsprim.println("#define __GLOBALDEFPRIM_H_");
274 outglobaldefsprim.println("");
275 outglobaldefsprim.println("struct global_defsprim_t {");
278 protected void finalOutputGlobals(PrintWriter outglobaldefs, PrintWriter outglobaldefsprim) {
279 outglobaldefs.println("};");
280 outglobaldefs.println("");
281 outglobaldefs.println("extern struct global_defs_t * global_defs_p;");
282 outglobaldefs.println("#endif");
283 outglobaldefs.flush();
284 outglobaldefs.close();
286 outglobaldefsprim.println("};");
287 outglobaldefsprim.println("");
288 outglobaldefsprim.println("extern struct global_defsprim_t * global_defsprim_p;");
289 outglobaldefsprim.println("#endif");
290 outglobaldefsprim.flush();
291 outglobaldefsprim.close();
294 /* This method goes though the call graph and tag those methods that are
295 * invoked inside static blocks
297 protected void tagMethodInvokedByStaticBlock() {
298 Iterator it_sclasses = this.state.getSClassSymbolTable().getDescriptorsIterator();
299 MethodDescriptor current_md=null;
300 HashSet tovisit=new HashSet();
301 HashSet visited=new HashSet();
303 while(it_sclasses.hasNext()) {
304 ClassDescriptor cd = (ClassDescriptor)it_sclasses.next();
305 MethodDescriptor md = (MethodDescriptor)cd.getMethodTable().get("staticblocks");
311 while(!tovisit.isEmpty()) {
312 current_md=(MethodDescriptor)tovisit.iterator().next();
313 tovisit.remove(current_md);
314 visited.add(current_md);
315 Iterator it_callee = this.callgraph.getCalleeSet(current_md).iterator();
316 while(it_callee.hasNext()) {
317 Descriptor d = (Descriptor)it_callee.next();
318 if(d instanceof MethodDescriptor) {
319 if(!visited.contains(d)) {
320 ((MethodDescriptor)d).setIsInvokedByStatic(true);
328 /* This code generates code for each static block and static field
330 protected void outputStaticBlocks(PrintWriter outmethod) {
331 // execute all the static blocks and all the static field initializations
332 // execute all the static blocks and all the static field initializations
333 SymbolTable sctbl = this.state.getSClassSymbolTable();
334 Iterator it_sclasses = sctbl.getDescriptorsIterator();
335 if(it_sclasses.hasNext()) {
336 while(it_sclasses.hasNext()) {
337 ClassDescriptor t_cd = (ClassDescriptor)it_sclasses.next();
338 MethodDescriptor t_md = (MethodDescriptor)t_cd.getMethodTable().get("staticblocks");
340 if(t_md != null&&callgraph.isInit(t_cd)) {
341 outmethod.println(" {");
342 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
343 outmethod.print(" struct "+t_cd.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"_params __parameterlist__={");
344 outmethod.println("0, NULL};");
345 outmethod.println(" "+t_cd.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"(& __parameterlist__);");
347 outmethod.println(" "+t_cd.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
349 outmethod.println(" }");
355 /* This code generates code to create a Class object for each class for
358 protected void outputClassObjects(PrintWriter outmethod) {
359 // create a global classobj array
360 outmethod.println(" {");
361 outmethod.println(" int i = 0;");
362 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
363 outmethod.println(" struct garbagelist dummy={0,NULL};");
364 outmethod.println(" global_defs_p->classobjs = allocate_newarray(&dummy, OBJECTARRAYTYPE, "
365 + (state.numClasses()+state.numArrays()+state.numInterfaces()) + ");");
367 outmethod.println(" global_defs_p->classobjs = allocate_newarray(OBJECTARRAYTYPE, "
368 + (state.numClasses()+state.numArrays()+state.numInterfaces()) + ");");
370 outmethod.println(" for(i = 0; i < " + (state.numClasses()+state.numArrays()+state.numInterfaces()) + "; i++) {");
371 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
372 outmethod.println(" ((void **)(((char *) &(global_defs_p->classobjs->___length___))+sizeof(int)))[i] = allocate_new(NULL, " +typeutil.getClass(TypeUtil.ObjectClass).getId() + ");");
374 outmethod.println(" ((void **)(((char *) &(global_defs_p->classobjs->___length___))+sizeof(int)))[i] = allocate_new(" +typeutil.getClass(TypeUtil.ObjectClass).getId() + ");");
376 outmethod.println(" }");
377 outmethod.println(" }");
380 /* This code just generates the main C method for java programs.
381 * The main C method packs up the arguments into a string array
382 * and passes it to the java main method. */
384 protected void outputMainMethod(PrintWriter outmethod) {
385 outmethod.println("int main(int argc, const char *argv[]) {");
386 outmethod.println(" int i;");
388 outmethod.println("initializethreads();");
390 outmethod.println(" global_defs_p=calloc(1, sizeof(struct global_defs_t));");
391 outmethod.println(" global_defsprim_p=calloc(1, sizeof(struct global_defsprim_t));");
392 if (GENERATEPRECISEGC) {
393 outmethod.println(" global_defs_p->size="+globaldefscount+";");
394 outmethod.println(" for(i=0;i<"+globaldefscount+";i++) {");
395 outmethod.println(" ((struct garbagelist *)global_defs_p)->array[i]=NULL;");
396 outmethod.println(" }");
398 outputStaticBlocks(outmethod);
399 outputClassObjects(outmethod);
402 additionalCodeAtTopOfMain(outmethod);
403 for(BuildCodeExtension bcx: extensions) {
404 bcx.additionalCodeAtTopOfMain(outmethod);
408 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
409 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-1);");
411 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-1);");
413 outmethod.println(" for(i=1;i<argc;i++) {");
414 outmethod.println(" int length=strlen(argv[i]);");
416 ClassDescriptor stringclass=typeutil.getClass(TypeUtil.StringClass);
417 String stringclassstring="struct "+stringclass.getSafeSymbol();
419 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
420 outmethod.println(" "+stringclassstring+" *newstring=NewString(NULL, argv[i], length);");
422 outmethod.println(" "+stringclassstring+" *newstring=NewString(argv[i], length);");
424 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-1]=newstring;");
425 outmethod.println(" }");
428 additionalCodeForCommandLineArgs(outmethod, "stringarray");
429 for(BuildCodeExtension bcx: extensions) {
430 bcx.additionalCodeForCommandLineArgs(outmethod, "stringarray");
434 MethodDescriptor md=typeutil.getMain();
435 ClassDescriptor cd=typeutil.getMainClass();
437 outmethod.println(" {");
438 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
439 outmethod.print(" struct "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
440 outmethod.println("1, NULL,"+"stringarray};");
441 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
443 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
445 outmethod.println(" }");
448 outmethod.println("pthread_mutex_lock(&gclistlock);");
449 outmethod.println("threadcount--;");
450 outmethod.println("pthread_cond_signal(&gccond);");
451 outmethod.println("pthread_mutex_unlock(&gclistlock);");
454 if (state.EVENTMONITOR) {
455 outmethod.println("dumpdata();");
459 outmethod.println("pthread_exit(NULL);");
462 additionalCodeAtBottomOfMain(outmethod);
463 for(BuildCodeExtension bcx: extensions) {
464 bcx.additionalCodeAtBottomOfMain(outmethod);
468 outmethod.println("}");
471 /* This method outputs code for each task. */
473 protected void outputTaskCode(PrintWriter outtaskdefs, PrintWriter outmethod) {
474 /* Compile task based program */
475 outtaskdefs.println("#include \"task.h\"");
476 outtaskdefs.println("#include \"methodheaders.h\"");
477 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
478 while(taskit.hasNext()) {
479 TaskDescriptor td=(TaskDescriptor)taskit.next();
480 FlatMethod fm=state.getMethodFlat(td);
482 generateFlatMethod(fm, outmethod);
483 generateTaskDescriptor(outtaskdefs, fm, td);
486 //Output task descriptors
487 taskit=state.getTaskSymbolTable().getDescriptorsIterator();
488 outtaskdefs.println("struct taskdescriptor * taskarray[]= {");
490 while(taskit.hasNext()) {
491 TaskDescriptor td=(TaskDescriptor)taskit.next();
495 outtaskdefs.println(",");
496 outtaskdefs.print("&task_"+td.getSafeSymbol());
498 outtaskdefs.println("};");
500 outtaskdefs.println("int numtasks="+state.getTaskSymbolTable().getValueSet().size()+";");
504 /* This method outputs most of the methods.c file. This includes
505 * some standard includes and then an array with the sizes of
506 * objets and array that stores supertype and then the code for
507 * the Java methods.. */
508 protected void outputMethods(PrintWriter outmethod) {
509 outmethod.println("#include \"methodheaders.h\"");
510 outmethod.println("#include \"virtualtable.h\"");
511 outmethod.println("#include \"runtime.h\"");
513 outmethod.println("#include \"jni-private.h\"");
516 // always include: compiler directives will leave out
517 // instrumentation when option is not set
518 if(!state.MULTICORE) {
519 outmethod.println("#include \"coreprof/coreprof.h\"");
522 if (state.FASTCHECK) {
523 outmethod.println("#include \"localobjects.h\"");
525 if(state.MULTICORE) {
527 outmethod.println("#include \"task.h\"");
529 outmethod.println("#include \"multicoreruntime.h\"");
530 outmethod.println("#include \"runtime_arch.h\"");
532 if (state.THREAD||state.DSM||state.SINGLETM) {
533 outmethod.println("#include <thread.h>");
536 outmethod.println("#include \"thread.h\"");
538 if (state.main!=null) {
539 outmethod.println("#include <string.h>");
541 if (state.CONSCHECK) {
542 outmethod.println("#include \"checkers.h\"");
545 additionalIncludesMethodsImplementation(outmethod);
546 for(BuildCodeExtension bcx: extensions) {
547 bcx.additionalIncludesMethodsImplementation(outmethod);
550 outmethod.println("struct global_defs_t * global_defs_p;");
551 outmethod.println("struct global_defsprim_t * global_defsprim_p;");
552 //Store the sizes of classes & array elements
553 generateSizeArray(outmethod);
555 //Store table of supertypes
556 generateSuperTypeTable(outmethod);
558 //Store the layout of classes
559 generateLayoutStructs(outmethod);
562 additionalCodeAtTopMethodsImplementation(outmethod);
563 for(BuildCodeExtension bcx: extensions) {
564 bcx.additionalCodeAtTopMethodsImplementation(outmethod);
568 generateMethods(outmethod);
571 protected void generateMethods(PrintWriter outmethod) {
572 /* Generate code for methods */
573 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
574 while(classit.hasNext()) {
575 ClassDescriptor cn=(ClassDescriptor)classit.next();
576 Iterator methodit=cn.getMethods();
577 while(methodit.hasNext()) {
578 /* Classify parameters */
579 MethodDescriptor md=(MethodDescriptor)methodit.next();
580 if (!callgraph.isCallable(md)&&(!md.isStaticBlock()||!callgraph.isInit(cn))) {
584 FlatMethod fm=state.getMethodFlat(md);
585 if (!md.getModifiers().isNative()) {
586 generateFlatMethod(fm, outmethod);
587 } else if (state.JNI) {
588 generateNativeFlatMethod(fm, outmethod);
594 protected void outputStructs(PrintWriter outstructs) {
595 outstructs.println("#ifndef __STRUCTDEFS_H__");
596 outstructs.println("#define __STRUCTDEFS_H__");
597 outstructs.println("#include \"classdefs.h\"");
598 outstructs.println("#ifndef INTPTR");
599 outstructs.println("#ifdef BIT64");
600 outstructs.println("#define INTPTR long");
601 outstructs.println("#else");
602 outstructs.println("#define INTPTR int");
603 outstructs.println("#endif");
604 outstructs.println("#endif");
607 additionalIncludesStructsHeader(outstructs);
608 for(BuildCodeExtension bcx: extensions) {
609 bcx.additionalIncludesStructsHeader(outstructs);
613 /* Output #defines that the runtime uses to determine type
614 * numbers for various objects it needs */
615 outstructs.println("#define MAXCOUNT "+maxcount);
617 outstructs.println("#define STRINGARRAYTYPE "+
618 (state.getArrayNumber(
619 (new TypeDescriptor(typeutil.getClass(TypeUtil.StringClass))).makeArray(state))+state.numClasses()));
621 outstructs.println("#define OBJECTARRAYTYPE "+
622 (state.getArrayNumber(
623 (new TypeDescriptor(typeutil.getClass(TypeUtil.ObjectClass))).makeArray(state))+state.numClasses()));
626 outstructs.println("#define STRINGTYPE "+typeutil.getClass(TypeUtil.StringClass).getId());
627 outstructs.println("#define OBJECTTYPE "+typeutil.getClass(TypeUtil.ObjectClass).getId());
628 outstructs.println("#define CHARARRAYTYPE "+
629 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.CHAR)).makeArray(state))+state.numClasses()));
631 outstructs.println("#define BYTEARRAYTYPE "+
632 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state))+state.numClasses()));
634 outstructs.println("#define BYTEARRAYARRAYTYPE "+
635 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state).makeArray(state))+state.numClasses()));
637 outstructs.println("#define NUMCLASSES "+state.numClasses());
638 int totalClassSize = state.numClasses() + state.numArrays() + state.numInterfaces();
639 outstructs.println("#define TOTALNUMCLASSANDARRAY "+ totalClassSize);
641 outstructs.println("#define STARTUPTYPE "+typeutil.getClass(TypeUtil.StartupClass).getId());
642 outstructs.println("#define TAGTYPE "+typeutil.getClass(TypeUtil.TagClass).getId());
643 outstructs.println("#define TAGARRAYTYPE "+
644 (state.getArrayNumber(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass)).makeArray(state))+state.numClasses()));
648 protected void outputClassDeclarations(PrintWriter outclassdefs, PrintWriter outglobaldefs, PrintWriter outglobaldefsprim) {
649 if (state.THREAD||state.DSM||state.SINGLETM)
650 outclassdefs.println("#include <pthread.h>");
651 outclassdefs.println("#ifndef INTPTR");
652 outclassdefs.println("#ifdef BIT64");
653 outclassdefs.println("#define INTPTR long");
654 outclassdefs.println("#else");
655 outclassdefs.println("#define INTPTR int");
656 outclassdefs.println("#endif");
657 outclassdefs.println("#endif");
659 outclassdefs.println("#include \"optionalstruct.h\"");
660 outclassdefs.println("struct "+arraytype+";");
661 /* Start by declaring all structs */
662 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
663 while(it.hasNext()) {
664 ClassDescriptor cn=(ClassDescriptor)it.next();
665 outclassdefs.println("struct "+cn.getSafeSymbol()+";");
667 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
668 // this class has static fields/blocks, need to add a global flag to
669 // indicate if its static fields have been initialized and/or if its
670 // static blocks have been executed
671 outglobaldefsprim.println(" int "+cn.getSafeSymbol()+"static_block_exe_flag;");
674 outclassdefs.println("");
675 //Print out definition for array type
676 outclassdefs.println("struct "+arraytype+" {");
677 outclassdefs.println(" int type;");
678 outclassdefs.println(" int hashcode;");
681 additionalClassObjectFields(outclassdefs);
682 for(BuildCodeExtension bcx: extensions) {
683 bcx.additionalClassObjectFields(outclassdefs);
687 if (state.EVENTMONITOR) {
688 outclassdefs.println(" int objuid;");
691 outclassdefs.println(" volatile int tid;");
692 outclassdefs.println(" volatile int notifycount;");
695 outclassdefs.println(" int mutex;");
696 outclassdefs.println(" volatile int notifycount;");
697 outclassdefs.println(" volatile int objlock;");
698 if(state.MULTICOREGC) {
699 //outclassdefs.println(" int marked;");
703 outclassdefs.println(" int flag;");
704 outclassdefs.println(" int ___cachedCode___;");
705 if(!state.MULTICORE) {
706 outclassdefs.println(" void * flagptr;");
708 outclassdefs.println(" int version;");
709 outclassdefs.println(" int * lock;"); // lock entry for this obj
710 outclassdefs.println(" int mutex;");
711 outclassdefs.println(" volatile int lockcount;");
712 if(state.MULTICOREGC) {
713 //outclassdefs.println(" int marked;");
717 outclassdefs.println(" int numfses;");
718 outclassdefs.println(" int * fses;");
722 printClassStruct(typeutil.getClass(TypeUtil.ObjectClass), outclassdefs, outglobaldefs, outglobaldefsprim);
723 printedfieldstbl.clear();
725 printExtraArrayFields(outclassdefs);
726 for(BuildCodeExtension bcx: extensions) {
727 bcx.printExtraArrayFields(outclassdefs);
730 if (state.ARRAYPAD) {
731 outclassdefs.println(" int paddingforarray;");
734 outclassdefs.println(" int ___length___;");
735 outclassdefs.println("};\n");
737 outclassdefs.println("");
738 outclassdefs.println("extern int classsize[];");
739 outclassdefs.println("extern int hasflags[];");
740 outclassdefs.println("extern unsigned INTPTR * pointerarray[];");
741 outclassdefs.println("extern int* supertypes[];");
742 outclassdefs.println("");
745 /** Prints out definitions for generic task structures */
747 protected void outputTaskTypes(PrintWriter outtask) {
748 outtask.println("#ifndef _TASK_H");
749 outtask.println("#define _TASK_H");
750 outtask.println("struct parameterdescriptor {");
751 outtask.println("int type;");
752 outtask.println("int numberterms;");
753 outtask.println("int *intarray;");
754 outtask.println("void * queue;");
755 outtask.println("int numbertags;");
756 outtask.println("int *tagarray;");
757 outtask.println("};");
759 outtask.println("struct taskdescriptor {");
760 outtask.println("void * taskptr;");
761 outtask.println("int numParameters;");
762 outtask.println(" int numTotal;");
763 outtask.println("struct parameterdescriptor **descriptorarray;");
764 outtask.println("char * name;");
765 outtask.println("};");
766 outtask.println("extern struct taskdescriptor * taskarray[];");
767 outtask.println("extern numtasks;");
768 outtask.println("#endif");
772 protected void buildRepairStructs(PrintWriter outrepairstructs) {
773 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
774 while(classit.hasNext()) {
775 ClassDescriptor cn=(ClassDescriptor)classit.next();
776 outrepairstructs.println("structure "+cn.getSymbol()+" {");
777 outrepairstructs.println(" int __type__;");
779 outrepairstructs.println(" int __flag__;");
780 if(!state.MULTICORE) {
781 outrepairstructs.println(" int __flagptr__;");
784 printRepairStruct(cn, outrepairstructs);
785 outrepairstructs.println("}\n");
788 for(int i=0; i<state.numArrays(); i++) {
789 TypeDescriptor tdarray=arraytable[i];
790 TypeDescriptor tdelement=tdarray.dereference();
791 outrepairstructs.println("structure "+arraytype+"_"+state.getArrayNumber(tdarray)+" {");
792 outrepairstructs.println(" int __type__;");
793 printRepairStruct(typeutil.getClass(TypeUtil.ObjectClass), outrepairstructs);
794 outrepairstructs.println(" int length;");
795 outrepairstructs.println("}\n");
799 protected void printRepairStruct(ClassDescriptor cn, PrintWriter output) {
800 ClassDescriptor sp=cn.getSuperDesc();
802 printRepairStruct(sp, output);
804 Vector fields=(Vector)fieldorder.get(cn);
806 for(int i=0; i<fields.size(); i++) {
807 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
808 if (fd.getType().isArray()) {
809 output.println(" "+arraytype+"_"+ state.getArrayNumber(fd.getType()) +" * "+fd.getSymbol()+";");
810 } else if (fd.getType().isClass())
811 output.println(" "+fd.getType().getRepairSymbol()+" * "+fd.getSymbol()+";");
812 else if (fd.getType().isFloat())
813 output.println(" int "+fd.getSymbol()+"; /* really float */");
815 output.println(" "+fd.getType().getRepairSymbol()+" "+fd.getSymbol()+";");
819 /** This method outputs TaskDescriptor information */
820 protected void generateTaskDescriptor(PrintWriter output, FlatMethod fm, TaskDescriptor task) {
821 for (int i=0; i<task.numParameters(); i++) {
822 VarDescriptor param_var=task.getParameter(i);
823 TypeDescriptor param_type=task.getParamType(i);
824 FlagExpressionNode param_flag=task.getFlag(param_var);
825 TagExpressionList param_tag=task.getTag(param_var);
828 if (param_flag==null) {
829 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
830 output.println("0x0, 0x0 };");
833 DNFFlag dflag=param_flag.getDNF();
834 dnfterms=dflag.size();
836 Hashtable flags=(Hashtable)flagorder.get(param_type.getClassDesc());
837 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
838 for(int j=0; j<dflag.size(); j++) {
841 Vector term=dflag.get(j);
844 for(int k=0; k<term.size(); k++) {
845 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
846 FlagDescriptor fd=dfa.getFlag();
847 boolean negated=dfa.getNegated();
848 int flagid=1<<((Integer)flags.get(fd)).intValue();
853 output.print("0x"+Integer.toHexString(andmask)+", 0x"+Integer.toHexString(checkmask));
855 output.println("};");
858 output.println("int parametertag_"+i+"_"+task.getSafeSymbol()+"[]={");
860 for(int j=0; j<param_tag.numTags(); j++) {
863 /* for each tag we need */
864 /* which slot it is */
865 /* what type it is */
866 TagVarDescriptor tvd=(TagVarDescriptor)task.getParameterTable().get(param_tag.getName(j));
867 TempDescriptor tmp=param_tag.getTemp(j);
868 int slot=fm.getTagInt(tmp);
869 output.println(slot+", "+state.getTagId(tvd.getTag()));
871 output.println("};");
873 output.println("struct parameterdescriptor parameter_"+i+"_"+task.getSafeSymbol()+"={");
874 output.println("/* type */"+param_type.getClassDesc().getId()+",");
875 output.println("/* number of DNF terms */"+dnfterms+",");
876 output.println("parameterdnf_"+i+"_"+task.getSafeSymbol()+",");
877 output.println("0,");
879 output.println("/* number of tags */"+param_tag.numTags()+",");
881 output.println("/* number of tags */ 0,");
882 output.println("parametertag_"+i+"_"+task.getSafeSymbol());
883 output.println("};");
887 output.println("struct parameterdescriptor * parameterdescriptors_"+task.getSafeSymbol()+"[] = {");
888 for (int i=0; i<task.numParameters(); i++) {
891 output.print("¶meter_"+i+"_"+task.getSafeSymbol());
893 output.println("};");
895 output.println("struct taskdescriptor task_"+task.getSafeSymbol()+"={");
896 output.println("&"+task.getSafeSymbol()+",");
897 output.println("/* number of parameters */" +task.numParameters() + ",");
898 int numtotal=task.numParameters()+fm.numTags();
899 output.println("/* number total parameters */" +numtotal + ",");
900 output.println("parameterdescriptors_"+task.getSafeSymbol()+",");
901 output.println("\""+task.getSymbol()+"\"");
902 output.println("};");
906 /** The buildVirtualTables method outputs the virtual dispatch
907 * tables for methods. */
909 protected void buildVirtualTables(PrintWriter outvirtual) {
910 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
911 while(classit.hasNext()) {
912 ClassDescriptor cd=(ClassDescriptor)classit.next();
913 if (virtualcalls.getMethodCount(cd)>maxcount)
914 maxcount=virtualcalls.getMethodCount(cd);
916 MethodDescriptor[][] virtualtable=null;
917 virtualtable=new MethodDescriptor[state.numClasses()+state.numArrays()][maxcount];
919 /* Fill in virtual table */
920 classit=state.getClassSymbolTable().getDescriptorsIterator();
921 while(classit.hasNext()) {
922 ClassDescriptor cd=(ClassDescriptor)classit.next();
923 if(cd.isInterface()) {
926 fillinRow(cd, virtualtable, cd.getId());
929 ClassDescriptor objectcd=typeutil.getClass(TypeUtil.ObjectClass);
930 Iterator arrayit=state.getArrayIterator();
931 while(arrayit.hasNext()) {
932 TypeDescriptor td=(TypeDescriptor)arrayit.next();
933 int id=state.getArrayNumber(td);
934 fillinRow(objectcd, virtualtable, id+state.numClasses());
937 outvirtual.print("void * virtualtable[]={");
938 boolean needcomma=false;
939 for(int i=0; i<state.numClasses()+state.numArrays(); i++) {
940 for(int j=0; j<maxcount; j++) {
942 outvirtual.print(", ");
943 if (virtualtable[i][j]!=null) {
944 MethodDescriptor md=virtualtable[i][j];
945 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
947 outvirtual.print("0");
951 outvirtual.println("");
953 outvirtual.println("};");
957 protected void fillinRow(ClassDescriptor cd, MethodDescriptor[][] virtualtable, int rownum) {
958 /* Get inherited methods */
959 Iterator it_sifs = cd.getSuperInterfaces();
960 while(it_sifs.hasNext()) {
961 ClassDescriptor superif = (ClassDescriptor)it_sifs.next();
962 fillinRow(superif, virtualtable, rownum);
964 if (cd.getSuperDesc()!=null)
965 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
966 /* Override them with our methods */
967 for(Iterator it=cd.getMethods(); it.hasNext(); ) {
968 MethodDescriptor md=(MethodDescriptor)it.next();
969 if (md.isStatic()||md.getReturnType()==null)
972 if (!callgraph.isCallable(md)) {
976 int methodnum = virtualcalls.getMethodNumber(md);
977 virtualtable[rownum][methodnum]=md;
981 /** Generate array that contains the sizes of class objects. The
982 * object allocation functions in the runtime use this
985 protected void generateSizeArray(PrintWriter outclassdefs) {
986 outclassdefs.print("extern struct prefetchCountStats * evalPrefetch;\n");
988 generateSizeArrayExtensions(outclassdefs);
989 for(BuildCodeExtension bcx: extensions) {
990 bcx.generateSizeArrayExtensions(outclassdefs);
993 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
994 cdarray=new ClassDescriptor[state.numClasses()];
995 ifarray = new ClassDescriptor[state.numInterfaces()];
998 while(it.hasNext()) {
999 ClassDescriptor cd=(ClassDescriptor)it.next();
1000 if(cd.isInterface()) {
1001 ifarray[cd.getId()] = cd;
1003 cdarray[cd.getId()] = cd;
1007 arraytable=new TypeDescriptor[state.numArrays()];
1009 Iterator arrayit=state.getArrayIterator();
1010 while(arrayit.hasNext()) {
1011 TypeDescriptor td=(TypeDescriptor)arrayit.next();
1012 int id=state.getArrayNumber(td);
1016 /* Print out types */
1017 outclassdefs.println("/* ");
1018 for(int i=0; i<state.numClasses(); i++) {
1019 ClassDescriptor cd=cdarray[i];
1021 outclassdefs.println("NULL " + i);
1023 outclassdefs.println(cd +" "+i);
1027 for(int i=0; i<state.numArrays(); i++) {
1028 TypeDescriptor arraytd=arraytable[i];
1029 outclassdefs.println(arraytd.toPrettyString() +" "+(i+state.numClasses()));
1032 for(int i=0; i<state.numInterfaces(); i++) {
1033 ClassDescriptor ifcd = ifarray[i];
1034 outclassdefs.println(ifcd +" "+(i+state.numClasses()+state.numArrays()));
1037 outclassdefs.println("*/");
1040 outclassdefs.print("int classsize[]={");
1042 boolean needcomma=false;
1043 for(int i=0; i<state.numClasses(); i++) {
1045 outclassdefs.print(", ");
1047 outclassdefs.print("sizeof(struct "+cdarray[i].getSafeSymbol()+")");
1049 outclassdefs.print("0");
1055 for(int i=0; i<state.numArrays(); i++) {
1057 outclassdefs.print(", ");
1058 TypeDescriptor tdelement=arraytable[i].dereference();
1059 if (tdelement.isArray()||tdelement.isClass()||tdelement.isNull())
1060 outclassdefs.print("sizeof(void *)");
1062 outclassdefs.print("sizeof("+tdelement.getSafeSymbol()+")");
1066 for(int i=0; i<state.numInterfaces(); i++) {
1068 outclassdefs.print(", ");
1069 outclassdefs.print("sizeof(struct "+ifarray[i].getSafeSymbol()+")");
1073 outclassdefs.println("};");
1075 ClassDescriptor objectclass=typeutil.getClass(TypeUtil.ObjectClass);
1077 outclassdefs.print("int typearray[]={");
1078 for(int i=0; i<state.numClasses(); i++) {
1079 ClassDescriptor cd=cdarray[i];
1080 ClassDescriptor supercd=i>0?cd.getSuperDesc():null;
1081 if(supercd != null && supercd.isInterface()) {
1082 throw new Error("Super class can not be interfaces");
1085 outclassdefs.print(", ");
1087 outclassdefs.print("-1");
1089 outclassdefs.print(supercd.getId());
1093 for(int i=0; i<state.numArrays(); i++) {
1094 TypeDescriptor arraytd=arraytable[i];
1095 ClassDescriptor arraycd=arraytd.getClassDesc();
1096 if (arraycd==null) {
1098 outclassdefs.print(", ");
1099 outclassdefs.print(objectclass.getId());
1103 ClassDescriptor cd=arraycd.getSuperDesc();
1106 TypeDescriptor supertd=new TypeDescriptor(cd);
1107 supertd.setArrayCount(arraytd.getArrayCount());
1108 type=state.getArrayNumber(supertd);
1110 type+=state.numClasses();
1113 cd=cd.getSuperDesc();
1116 outclassdefs.print(", ");
1117 outclassdefs.print(type);
1121 for(int i=0; i<state.numInterfaces(); i++) {
1122 ClassDescriptor cd=ifarray[i];
1123 ClassDescriptor supercd=cd.getSuperDesc();
1124 if(supercd != null && supercd.isInterface()) {
1125 throw new Error("Super class can not be interfaces");
1128 outclassdefs.print(", ");
1130 outclassdefs.print("-1");
1132 outclassdefs.print(supercd.getId());
1136 outclassdefs.println("};");
1141 outclassdefs.print("int typearray2[]={");
1142 for(int i=0; i<state.numArrays(); i++) {
1143 TypeDescriptor arraytd=arraytable[i];
1144 ClassDescriptor arraycd=arraytd.getClassDesc();
1145 if (arraycd==null) {
1147 outclassdefs.print(", ");
1148 outclassdefs.print("-1");
1152 ClassDescriptor cd=arraycd.getSuperDesc();
1153 int level=arraytd.getArrayCount()-1;
1155 for(; level>0; level--) {
1156 TypeDescriptor supertd=new TypeDescriptor(objectclass);
1157 supertd.setArrayCount(level);
1158 type=state.getArrayNumber(supertd);
1160 type+=state.numClasses();
1165 outclassdefs.print(", ");
1166 outclassdefs.print(type);
1170 outclassdefs.println("};");
1173 /** Constructs params and temp objects for each method or task.
1174 * These objects tell the compiler which temps need to be
1177 protected void generateTempStructs(FlatMethod fm) {
1178 MethodDescriptor md=fm.getMethod();
1179 TaskDescriptor task=fm.getTask();
1180 ParamsObject objectparams=md!=null?new ParamsObject(md,tag++):new ParamsObject(task, tag++);
1182 paramstable.put(md, objectparams);
1184 paramstable.put(task, objectparams);
1186 for(int i=0; i<fm.numParameters(); i++) {
1187 TempDescriptor temp=fm.getParameter(i);
1188 TypeDescriptor type=temp.getType();
1189 if (type.isPtr()&&((GENERATEPRECISEGC) || (this.state.MULTICOREGC)))
1190 objectparams.addPtr(temp);
1192 objectparams.addPrim(temp);
1195 for(int i=0; i<fm.numTags(); i++) {
1196 TempDescriptor temp=fm.getTag(i);
1197 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC))
1198 objectparams.addPtr(temp);
1200 objectparams.addPrim(temp);
1203 TempObject objecttemps=md!=null?new TempObject(objectparams,md,tag++):new TempObject(objectparams, task, tag++);
1205 tempstable.put(md, objecttemps);
1207 tempstable.put(task, objecttemps);
1209 for(Iterator nodeit=fm.getNodeSet().iterator(); nodeit.hasNext(); ) {
1210 FlatNode fn=(FlatNode)nodeit.next();
1211 TempDescriptor[] writes=fn.writesTemps();
1212 for(int i=0; i<writes.length; i++) {
1213 TempDescriptor temp=writes[i];
1214 TypeDescriptor type=temp.getType();
1215 if (type.isPtr()&&((GENERATEPRECISEGC) || (this.state.MULTICOREGC)))
1216 objecttemps.addPtr(temp);
1218 objecttemps.addPrim(temp);
1223 /** This method outputs the following information about classes
1225 * (1) For classes, what are the locations of pointers.
1226 * (2) For arrays, does the array contain pointers or primitives.
1227 * (3) For classes, does the class contain flags.
1230 protected void generateLayoutStructs(PrintWriter output) {
1231 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
1232 while(it.hasNext()) {
1233 ClassDescriptor cn=(ClassDescriptor)it.next();
1234 output.print("unsigned INTPTR "+cn.getSafeSymbol()+"_pointers[]={");
1235 if (javabuilder!=null&&!javabuilder.hasLayout(cn)) {
1236 output.println("0};");
1241 for(Iterator allit=cn.getFieldTable().getAllDescriptorsIterator(); allit.hasNext(); ) {
1242 FieldDescriptor fd=(FieldDescriptor)allit.next();
1246 TypeDescriptor type=fd.getType();
1251 // the lock field is also a pointer
1254 output.print(count);
1255 for(Iterator allit=cn.getFieldTable().getAllDescriptorsIterator(); allit.hasNext(); ) {
1256 FieldDescriptor fd=(FieldDescriptor)allit.next();
1260 TypeDescriptor type=fd.getType();
1263 output.print("((unsigned INTPTR)&(((struct "+cn.getSafeSymbol() +" *)0)->"+
1264 fd.getSafeSymbol()+"))");
1268 // output the lock field
1270 output.print("((unsigned INTPTR)&(((struct "+cn.getSafeSymbol() +" *)0)->lock))");
1272 output.println("};");
1275 output.println("unsigned INTPTR * pointerarray[]={");
1276 boolean needcomma=false;
1277 for(int i=0; i<state.numClasses(); i++) {
1278 ClassDescriptor cn=cdarray[i];
1280 output.println(",");
1283 output.print(cn.getSafeSymbol()+"_pointers");
1285 output.print("NULL");
1289 for(int i=0; i<state.numArrays(); i++) {
1291 output.println(", ");
1292 TypeDescriptor tdelement=arraytable[i].dereference();
1293 if (tdelement.isArray()||tdelement.isClass())
1294 output.print("((unsigned INTPTR *)1)");
1300 output.println("};");
1302 output.println("int hasflags[]={");
1303 for(int i=0; i<state.numClasses(); i++) {
1304 ClassDescriptor cn=cdarray[i];
1306 output.println(", ");
1308 if ((cn != null) && (cn.hasFlags()))
1313 output.println("};");
1316 private int checkarraysupertype(ClassDescriptor arraycd, TypeDescriptor arraytd) {
1319 TypeDescriptor supertd=new TypeDescriptor(arraycd);
1320 supertd.setArrayCount(arraytd.getArrayCount());
1321 type=state.getArrayNumber(supertd);
1326 ClassDescriptor cd = arraycd.getSuperDesc();
1328 type = checkarraysupertype(cd, arraytd);
1334 Iterator it_sifs = arraycd.getSuperInterfaces();
1335 while(it_sifs.hasNext()) {
1336 ClassDescriptor ifcd = (ClassDescriptor)it_sifs.next();
1337 type = checkarraysupertype(ifcd, arraytd);
1347 /** Print out table to give us supertypes */
1348 protected void generateSuperTypeTable(PrintWriter output) {
1349 ClassDescriptor objectclass=typeutil.getClass(TypeUtil.ObjectClass);
1350 for(int i=0; i<state.numClasses(); i++) {
1351 ClassDescriptor cn=cdarray[i];
1355 output.print("int supertypes" + cn.getSafeSymbol() + "[] = {");
1356 boolean ncomma = false;
1358 if((cn != null) && (cn.getSuperDesc() != null)) {
1361 Iterator it_sifs = cn != null?cn.getSuperInterfaces():null;
1362 while(it_sifs != null && it_sifs.hasNext()) {
1368 if ((cn != null) && (cn.getSuperDesc()!=null)) {
1372 ClassDescriptor cdsuper=cn.getSuperDesc();
1373 output.print(cdsuper.getId());
1375 it_sifs = cn != null?cn.getSuperInterfaces():null;
1376 while(it_sifs != null && it_sifs.hasNext()) {
1380 output.print(((ClassDescriptor)it_sifs.next()).getId()+state.numClasses()+state.numArrays());
1383 output.println("};");
1386 for(int i=0; i<state.numArrays(); i++) {
1387 TypeDescriptor arraytd=arraytable[i];
1388 ClassDescriptor arraycd=arraytd.getClassDesc();
1389 output.print("int supertypes___arraytype___" + (i+state.numClasses()) + "[] = {");
1390 boolean ncomma = false;
1392 if (arraycd==null) {
1396 output.print(objectclass.getId());
1397 output.println("};");
1400 if((arraycd != null) && (arraycd.getSuperDesc() != null)) {
1403 Iterator it_sifs = arraycd != null?arraycd.getSuperInterfaces():null;
1404 while(it_sifs != null && it_sifs.hasNext()) {
1410 if ((arraycd != null) && (arraycd.getSuperDesc()!=null)) {
1411 ClassDescriptor cd=arraycd.getSuperDesc();
1414 type = checkarraysupertype(cd, arraytd);
1416 type += state.numClasses();
1423 it_sifs = arraycd != null?arraycd.getSuperInterfaces():null;
1424 while(it_sifs != null && it_sifs.hasNext()) {
1425 ClassDescriptor ifcd = (ClassDescriptor)it_sifs.next();
1426 int type = checkarraysupertype(ifcd, arraytd);
1428 type += state.numClasses();
1434 output.println("};");
1437 for(int i=0; i<state.numInterfaces(); i++) {
1438 ClassDescriptor cn=ifarray[i];
1442 output.print("int supertypes" + cn.getSafeSymbol() + "[] = {");
1443 boolean ncomma = false;
1445 if((cn != null) && (cn.getSuperDesc() != null)) {
1448 Iterator it_sifs = cn != null?cn.getSuperInterfaces():null;
1449 while(it_sifs != null && it_sifs.hasNext()) {
1455 if ((cn != null) && (cn.getSuperDesc()!=null)) {
1459 ClassDescriptor cdsuper=cn.getSuperDesc();
1460 output.print(cdsuper.getId());
1462 it_sifs = cn != null?cn.getSuperInterfaces():null;
1463 while(it_sifs != null && it_sifs.hasNext()) {
1467 output.print(((ClassDescriptor)it_sifs.next()).getId()+state.numClasses()+state.numArrays());
1470 output.println("};");
1473 output.println("int* supertypes[]={");
1474 boolean needcomma=false;
1475 for(int i=0; i<state.numClasses(); i++) {
1476 ClassDescriptor cn=cdarray[i];
1478 output.println(",");
1481 output.print("supertypes" + cn.getSafeSymbol());
1487 for(int i=0; i<state.numArrays(); i++) {
1489 output.println(",");
1491 output.print("supertypes___arraytype___" + (i+state.numClasses()));
1494 for(int i=0; i<state.numInterfaces(); i++) {
1495 ClassDescriptor cn=ifarray[i];
1497 output.println(",");
1499 output.print("supertypes" + cn.getSafeSymbol());
1501 output.println("};");
1504 /** Force consistent field ordering between inherited classes. */
1506 protected void printClassStruct(ClassDescriptor cn, PrintWriter classdefout, PrintWriter globaldefout, PrintWriter globaldefprimout) {
1508 ClassDescriptor sp=cn.getSuperDesc();
1510 printClassStruct(sp, classdefout, /*globaldefout*/ null, null);
1512 SymbolTable sitbl = cn.getSuperInterfaceTable();
1513 Iterator it_sifs = sitbl.getDescriptorsIterator();
1514 while(it_sifs.hasNext()) {
1515 ClassDescriptor si = (ClassDescriptor)it_sifs.next();
1516 printClassStruct(si, classdefout, /*globaldefout*/ null, null);
1519 if (!fieldorder.containsKey(cn)) {
1520 Vector fields=new Vector();
1521 fieldorder.put(cn,fields);
1523 Vector fieldvec=cn.getFieldVec();
1525 for(int i=0; i<fieldvec.size(); i++) {
1526 FieldDescriptor fd=(FieldDescriptor)fieldvec.get(i);
1527 if((sp != null) && sp.getFieldTable().contains(fd.getSymbol())) {
1530 it_sifs = sitbl.getDescriptorsIterator();
1531 while(it_sifs.hasNext()) {
1532 ClassDescriptor si = (ClassDescriptor)it_sifs.next();
1533 if(si.getFieldTable().contains(fd.getSymbol())) {
1541 //Vector fields=(Vector)fieldorder.get(cn);
1543 Vector fields = cn.getFieldVec();
1545 for(int i=0; i<fields.size(); i++) {
1546 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
1547 String fstring = fd.getSafeSymbol();
1548 if(printedfieldstbl.containsKey(fstring)) {
1549 printedfieldstbl.put(fstring, cn);
1552 printedfieldstbl.put(fstring, cn);
1554 if (fd.getType().isClass()
1555 && fd.getType().getClassDesc().isEnum()) {
1556 classdefout.println(" int " + fd.getSafeSymbol() + ";");
1557 } else if (fd.getType().isClass()||fd.getType().isArray()) {
1558 if (fd.isStatic()) {
1559 // TODO add version for normal Java later
1561 if(globaldefout != null) {
1562 if(fd.isVolatile()) {
1563 globaldefout.println(" volatile struct "+fd.getType().getSafeSymbol()+ " * "+fd.getSafeSymbol()+";");
1565 globaldefout.println(" struct "+fd.getType().getSafeSymbol()+ " * "+fd.getSafeSymbol()+";");
1569 } else if (fd.isVolatile()) {
1571 classdefout.println(" volatile struct "+fd.getType().getSafeSymbol()+ " * "+fd.getSafeSymbol()+";");
1573 classdefout.println(" struct "+fd.getType().getSafeSymbol()+" * "+fd.getSafeSymbol()+";");
1575 } else if (fd.isStatic()) {
1576 // TODO add version for normal Java later
1578 if(globaldefout != null) {
1579 if(fd.isVolatile()) {
1580 globaldefprimout.println(" volatile "+fd.getType().getSafeSymbol()+ " "+fd.getSafeSymbol()+";");
1582 globaldefprimout.println(" "+fd.getType().getSafeSymbol()+ " "+fd.getSafeSymbol()+";");
1585 } else if (fd.isVolatile()) {
1587 classdefout.println(" volatile "+fd.getType().getSafeSymbol()+ " "+fd.getSafeSymbol()+";");
1589 classdefout.println(" "+fd.getType().getSafeSymbol()+" "+fd.getSafeSymbol()+";");
1594 /* Map flags to integers consistently between inherited
1597 protected void mapFlags(ClassDescriptor cn) {
1598 ClassDescriptor sp=cn.getSuperDesc();
1602 if (!flagorder.containsKey(cn)) {
1603 Hashtable flags=new Hashtable();
1604 flagorder.put(cn,flags);
1606 Hashtable superflags=(Hashtable)flagorder.get(sp);
1607 Iterator superflagit=superflags.keySet().iterator();
1608 while(superflagit.hasNext()) {
1609 FlagDescriptor fd=(FlagDescriptor)superflagit.next();
1610 Integer number=(Integer)superflags.get(fd);
1611 flags.put(fd, number);
1612 if ((number.intValue()+1)>max)
1613 max=number.intValue()+1;
1617 Iterator flagit=cn.getFlags();
1618 while(flagit.hasNext()) {
1619 FlagDescriptor fd=(FlagDescriptor)flagit.next();
1620 if (sp==null||!sp.getFlagTable().contains(fd.getSymbol()))
1621 flags.put(fd, new Integer(max++));
1627 /** This function outputs (1) structures that parameters are
1628 * passed in (when PRECISE GC is enabled) and (2) function
1629 * prototypes for the methods */
1631 protected void generateCallStructs(ClassDescriptor cn, PrintWriter classdefout, PrintWriter output, PrintWriter headersout, PrintWriter globaldefout, PrintWriter globaldefprimout) {
1632 /* Output class structure */
1633 classdefout.println("struct "+cn.getSafeSymbol()+" {");
1634 classdefout.println(" int type;");
1635 classdefout.println(" int hashcode;");
1637 additionalClassObjectFields(classdefout);
1638 for(BuildCodeExtension bcx: extensions) {
1639 bcx.additionalClassObjectFields(classdefout);
1643 if (state.EVENTMONITOR) {
1644 classdefout.println(" int objuid;");
1647 classdefout.println(" volatile int tid;");
1648 classdefout.println(" volatile int notifycount;");
1651 classdefout.println(" int mutex;");
1652 classdefout.println(" volatile int notifycount;");
1653 classdefout.println(" volatile int objlock;");
1654 if(state.MULTICOREGC) {
1655 //classdefout.println(" int marked;");
1659 classdefout.println(" int flag;");
1660 classdefout.println(" int ___cachedCode___;");
1661 if((!state.MULTICORE) || (cn.getSymbol().equals("TagDescriptor"))) {
1662 classdefout.println(" void * flagptr;");
1664 if (state.MULTICORE) {
1665 classdefout.println(" int version;");
1666 classdefout.println(" int * lock;"); // lock entry for this obj
1667 classdefout.println(" int mutex;");
1668 classdefout.println(" volatile int lockcount;");
1669 if(state.MULTICOREGC) {
1670 //classdefout.println(" int marked;");
1673 if (state.OPTIONAL) {
1674 classdefout.println(" int numfses;");
1675 classdefout.println(" int * fses;");
1678 if (javabuilder==null||javabuilder.hasLayout(cn))
1679 printClassStruct(cn, classdefout, globaldefout, globaldefprimout);
1681 printedfieldstbl.clear(); // = new Hashtable<String, ClassDescriptor>();
1682 classdefout.println("};\n");
1683 generateCallStructsMethods(cn, output, headersout);
1687 protected void generateCallStructsMethods(ClassDescriptor cn, PrintWriter output, PrintWriter headersout) {
1688 for(Iterator methodit=cn.getMethods(); methodit.hasNext(); ) {
1689 MethodDescriptor md=(MethodDescriptor)methodit.next();
1691 FlatMethod fm=state.getMethodFlat(md);
1693 if (!callgraph.isCallable(md)&&(!md.isStaticBlock()||!callgraph.isInit(cn))) {
1694 if (callgraph.isCalled(md)) {
1695 generateTempStructs(fm);
1696 generateMethodParam(cn, md, output);
1701 generateTempStructs(fm);
1702 generateMethodParam(cn, md, output);
1704 generateMethod(cn, md, headersout, output);
1708 protected void generateMethodParam(ClassDescriptor cn, MethodDescriptor md, PrintWriter output) {
1709 /* Output parameter structure */
1710 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1711 if(md.isInvokedByStatic() && !md.isStaticBlock() && !md.getModifiers().isNative()) {
1712 // generate the staticinit version
1713 String mdstring = md.getSafeMethodDescriptor() + "staticinit";
1715 ParamsObject objectparams=(ParamsObject) paramstable.get(md);
1716 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params {");
1717 output.println(" int size;");
1718 output.println(" void * next;");
1719 for(int i=0; i<objectparams.numPointers(); i++) {
1720 TempDescriptor temp=objectparams.getPointer(i);
1721 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1722 output.println(" int " + temp.getSafeSymbol() + ";");
1724 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1727 output.println("};\n");
1730 ParamsObject objectparams=(ParamsObject) paramstable.get(md);
1731 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1732 output.println(" int size;");
1733 output.println(" void * next;");
1734 for(int i=0; i<objectparams.numPointers(); i++) {
1735 TempDescriptor temp=objectparams.getPointer(i);
1736 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1737 output.println(" int " + temp.getSafeSymbol() + ";");
1739 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1742 output.println("};\n");
1746 protected void generateMethod(ClassDescriptor cn, MethodDescriptor md, PrintWriter headersout, PrintWriter output) {
1747 ParamsObject objectparams=(ParamsObject) paramstable.get(md);
1748 TempObject objecttemps=(TempObject) tempstable.get(md);
1750 boolean printcomma = false;
1753 if(md.isInvokedByStatic() && !md.isStaticBlock() && !md.getModifiers().isNative()) {
1754 // generate the staticinit version
1755 String mdstring = md.getSafeMethodDescriptor() + "staticinit";
1757 /* Output temp structure */
1758 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1759 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_locals {");
1760 output.println(" int size;");
1761 output.println(" void * next;");
1762 for(int i=0; i<objecttemps.numPointers(); i++) {
1763 TempDescriptor temp=objecttemps.getPointer(i);
1764 if (!temp.getType().isArray() && temp.getType().isNull())
1765 output.println(" void * "+temp.getSafeSymbol()+";");
1767 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1769 output.println("};\n");
1772 headersout.println("#define D"+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+" 1");
1773 /* First the return type */
1774 if (md.getReturnType()!=null) {
1775 if(md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
1776 headersout.println(" int ");
1777 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
1778 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1780 headersout.print(md.getReturnType().getSafeSymbol()+" ");
1782 //catch the constructor case
1783 headersout.print("void ");
1785 /* Next the method name */
1786 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"(");
1788 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1789 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params * "+paramsprefix);
1793 /* Output parameter list*/
1794 for(int i=0; i<objectparams.numPrimitives(); i++) {
1795 TempDescriptor temp=objectparams.getPrimitive(i);
1797 headersout.print(", ");
1799 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1800 headersout.print("int " + temp.getSafeSymbol());
1801 } else if (temp.getType().isClass()||temp.getType().isArray())
1802 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1804 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1806 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
1807 headersout.print(", int linenum");
1809 headersout.println(");\n");
1812 /* Output temp structure */
1813 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1814 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1815 output.println(" int size;");
1816 output.println(" void * next;");
1817 for(int i=0; i<objecttemps.numPointers(); i++) {
1818 TempDescriptor temp=objecttemps.getPointer(i);
1819 if (!temp.getType().isArray() && temp.getType().isNull())
1820 output.println(" void * "+temp.getSafeSymbol()+";");
1822 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1824 output.println("};\n");
1827 /********* Output method declaration ***********/
1828 headersout.println("#define D"+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+" 1");
1829 /* First the return type */
1830 if (md.getReturnType()!=null) {
1831 if(md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
1832 headersout.println(" int ");
1833 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
1834 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1836 headersout.print(md.getReturnType().getSafeSymbol()+" ");
1838 //catch the constructor case
1839 headersout.print("void ");
1841 /* Next the method name */
1842 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1844 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1845 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1849 /* Output parameter list*/
1850 for(int i=0; i<objectparams.numPrimitives(); i++) {
1851 TempDescriptor temp=objectparams.getPrimitive(i);
1853 headersout.print(", ");
1855 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1856 headersout.print("int " + temp.getSafeSymbol());
1857 } else if (temp.getType().isClass()||temp.getType().isArray())
1858 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1860 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1862 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
1863 headersout.print(", int linenum");
1865 headersout.println(");\n");
1869 /** This function outputs (1) structures that parameters are
1870 * passed in (when PRECISE GC is enabled) and (2) function
1871 * prototypes for the tasks */
1873 protected void generateTaskStructs(PrintWriter output, PrintWriter headersout) {
1874 /* Cycle through tasks */
1875 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
1877 while(taskit.hasNext()) {
1878 /* Classify parameters */
1879 TaskDescriptor task=(TaskDescriptor)taskit.next();
1880 FlatMethod fm=state.getMethodFlat(task);
1881 generateTempStructs(fm);
1883 ParamsObject objectparams=(ParamsObject) paramstable.get(task);
1884 TempObject objecttemps=(TempObject) tempstable.get(task);
1886 /* Output parameter structure */
1887 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1888 output.println("struct "+task.getSafeSymbol()+"_params {");
1889 output.println(" int size;");
1890 output.println(" void * next;");
1891 for(int i=0; i<objectparams.numPointers(); i++) {
1892 TempDescriptor temp=objectparams.getPointer(i);
1893 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1896 output.println("};\n");
1897 if ((objectparams.numPointers()+fm.numTags())>maxtaskparams) {
1898 maxtaskparams=objectparams.numPointers()+fm.numTags();
1902 /* Output temp structure */
1903 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1904 output.println("struct "+task.getSafeSymbol()+"_locals {");
1905 output.println(" int size;");
1906 output.println(" void * next;");
1907 for(int i=0; i<objecttemps.numPointers(); i++) {
1908 TempDescriptor temp=objecttemps.getPointer(i);
1909 if (!temp.getType().isArray() && temp.getType().isNull())
1910 output.println(" void * "+temp.getSafeSymbol()+";");
1911 else if(temp.getType().isTag())
1912 output.println(" struct "+
1913 (new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1915 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1917 output.println("};\n");
1920 /* Output task declaration */
1921 headersout.print("void " + task.getSafeSymbol()+"(");
1923 boolean printcomma=false;
1924 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1925 headersout.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
1927 headersout.print("void * parameterarray[]");
1928 headersout.println(");\n");
1932 protected void generateNativeFlatMethod(FlatMethod fm, PrintWriter outmethod) {
1933 MethodDescriptor md=fm.getMethod();
1934 ClassDescriptor cd=md.getClassDesc();
1935 generateHeader(fm, md, outmethod);
1937 outmethod.println("JNIPUSHFRAME();");
1938 if (md.getModifiers().isStatic()) {
1939 outmethod.println("jobject rec=JNIWRAP(((void **)(((char *) &(global_defs_p->classobjs->___length___))+sizeof(int)))[" + cd.getId() + "]);");
1941 outmethod.println("jobject rec=JNIWRAP("+generateTemp(fm, fm.getParameter(0))+");");
1944 for(int i=startindex; i<fm.numParameters(); i++) {
1945 TempDescriptor tmp=fm.getParameter(i);
1946 if (tmp.getType().isPtr()) {
1947 outmethod.println("jobject param"+i+"=JNIWRAP("+generateTemp(fm, fm.getParameter(i))+");");
1950 if (GENERATEPRECISEGC) {
1951 outmethod.println("stopforgc((struct garbagelist *)___params___);");
1953 if (!md.getReturnType().isVoid()) {
1954 if (md.getReturnType().isPtr())
1955 outmethod.print("jobject retval=");
1957 outmethod.print(md.getReturnType().getSafeSymbol()+" retval=");
1959 outmethod.print("Java_");
1960 outmethod.print(cd.getPackage().replace('.','_')+"_"+cd.getClassName().replace('.','_'));
1961 outmethod.print("_"+md.getSymbol()+"(");
1962 outmethod.print("JNI_vtable, rec");
1964 for(int i=startindex; i<fm.numParameters(); i++) {
1965 outmethod.print(", ");
1966 TempDescriptor tmp=fm.getParameter(i);
1967 if (tmp.getType().isPtr()) {
1968 outmethod.print("param"+i);
1970 outmethod.print(generateTemp(fm, tmp));
1973 outmethod.println(");");
1974 if (GENERATEPRECISEGC) {
1975 outmethod.println("restartaftergc();");
1977 if (!md.getReturnType().isVoid()) {
1978 if (md.getReturnType().isPtr()) {
1979 outmethod.println("struct ___Object___ * retobj=JNIUNWRAP(retval);");
1980 outmethod.println("JNIPOPFRAME();");
1981 outmethod.println("return retobj;");
1983 outmethod.println("JNIPOPFRAME();");
1984 outmethod.println("return retval;");
1987 outmethod.println("JNIPOPFRAME();");
1989 outmethod.println("}");
1990 outmethod.println("");
1993 protected void generateFlatMethod(FlatMethod fm, PrintWriter output) {
1994 if (State.PRINTFLAT)
1995 System.out.println(fm.printMethod());
1996 MethodDescriptor md=fm.getMethod();
1997 TaskDescriptor task=fm.getTask();
1998 ClassDescriptor cn=md!=null?md.getClassDesc():null;
1999 ParamsObject objectparams=(ParamsObject)paramstable.get(md!=null?md:task);
2001 if((md != null) && md.isInvokedByStatic() && !md.isStaticBlock() && !md.getModifiers().isNative()) {
2002 // generate a special static init version
2003 mgcstaticinit = true;
2004 String mdstring = md.getSafeMethodDescriptor() + "staticinit";
2006 generateHeader(fm, md!=null?md:task,output);
2007 TempObject objecttemp=(TempObject) tempstable.get(md!=null?md:task);
2009 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2010 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_locals "+localsprefix+"={");
2011 output.print(objecttemp.numPointers()+",");
2012 output.print(paramsprefix);
2013 for(int j=0; j<objecttemp.numPointers(); j++)
2014 output.print(", NULL");
2015 output.println("};");
2018 for(int i=0; i<objecttemp.numPrimitives(); i++) {
2019 TempDescriptor td=objecttemp.getPrimitive(i);
2020 TypeDescriptor type=td.getType();
2021 if (type.isNull() && !type.isArray())
2022 output.println(" void * "+td.getSafeSymbol()+";");
2023 else if (type.isClass() && type.getClassDesc().isEnum()) {
2024 output.println(" int " + td.getSafeSymbol() + ";");
2025 } else if (type.isClass()||type.isArray())
2026 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
2028 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
2031 additionalCodeAtTopFlatMethodBody(output, fm);
2032 for(BuildCodeExtension bcx: extensions) {
2033 bcx.additionalCodeAtTopFlatMethodBody(output, fm);
2036 /* Check to see if we need to do a GC if this is a
2037 * multi-threaded program...*/
2039 if (((state.OOOJAVA||state.THREAD)&&GENERATEPRECISEGC) || state.MULTICOREGC) {
2040 //Don't bother if we aren't in recursive methods...The loops case will catch it
2041 if (callgraph.getAllMethods(md).contains(md)) {
2042 if (this.state.MULTICOREGC) {
2043 output.println("GCCHECK("+localsprefixaddr+");");
2045 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
2050 generateCode(fm.getNext(0), fm, null, output);
2052 output.println("}\n\n");
2054 mgcstaticinit = false;
2057 generateHeader(fm, md!=null?md:task,output);
2058 TempObject objecttemp=(TempObject) tempstable.get(md!=null?md:task);
2060 if((md != null) && (md.isStaticBlock())) {
2061 mgcstaticinit = true;
2064 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2066 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
2068 output.print(" struct "+task.getSafeSymbol()+"_locals "+localsprefix+"={");
2069 output.print(objecttemp.numPointers()+",");
2070 output.print(paramsprefix);
2071 for(int j=0; j<objecttemp.numPointers(); j++)
2072 output.print(", NULL");
2073 output.println("};");
2076 for(int i=0; i<objecttemp.numPrimitives(); i++) {
2077 TempDescriptor td=objecttemp.getPrimitive(i);
2078 TypeDescriptor type=td.getType();
2079 if (type.isNull() && !type.isArray())
2080 output.println(" void * "+td.getSafeSymbol()+";");
2081 else if (type.isClass() && type.getClassDesc().isEnum()) {
2082 output.println(" int " + td.getSafeSymbol() + ";");
2083 } else if (type.isClass()||type.isArray())
2084 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
2086 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
2089 additionalCodeAtTopFlatMethodBody(output, fm);
2090 for(BuildCodeExtension bcx: extensions) {
2091 bcx.additionalCodeAtTopFlatMethodBody(output, fm);
2094 /* Check to see if we need to do a GC if this is a
2095 * multi-threaded program...*/
2097 if (((state.OOOJAVA||state.THREAD)&&GENERATEPRECISEGC)
2098 || this.state.MULTICOREGC) {
2099 //Don't bother if we aren't in recursive methods...The loops case will catch it
2100 if (callgraph.getAllMethods(md).contains(md)) {
2101 if (this.state.MULTICOREGC) {
2102 output.println("GCCHECK("+localsprefixaddr+");");
2104 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
2109 if(fm.getMethod()!=null&&fm.getMethod().isStaticBlock()) {
2110 // a static block, check if it has been executed
2111 output.println(" if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag != 0) {");
2112 output.println(" return;");
2113 output.println(" }");
2117 generateCode(fm.getNext(0), fm, null, output);
2119 output.println("}\n\n");
2121 mgcstaticinit = false;
2124 protected void generateCode(FlatNode first,
2126 Set<FlatNode> stopset,
2127 PrintWriter output) {
2129 /* Assign labels to FlatNode's if necessary.*/
2131 Hashtable<FlatNode, Integer> nodetolabel;
2133 nodetolabel=assignLabels(first, stopset);
2135 Set<FlatNode> storeset=null;
2136 HashSet<FlatNode> genset=null;
2137 HashSet<FlatNode> refset=null;
2138 Set<FlatNode> unionset=null;
2140 /* Do the actual code generation */
2141 FlatNode current_node=null;
2142 HashSet tovisit=new HashSet();
2143 HashSet visited=new HashSet();
2145 while(current_node!=null||!tovisit.isEmpty()) {
2146 if (current_node==null) {
2147 current_node=(FlatNode)tovisit.iterator().next();
2148 tovisit.remove(current_node);
2149 } else if (tovisit.contains(current_node)) {
2150 tovisit.remove(current_node);
2152 visited.add(current_node);
2153 if (nodetolabel.containsKey(current_node)) {
2154 output.println("L"+nodetolabel.get(current_node)+":");
2156 if (state.INSTRUCTIONFAILURE) {
2158 output.println("if ((++instructioncount)>failurecount) {instructioncount=0;injectinstructionfailure();}");
2160 output.println("if ((--instructioncount)==0) injectinstructionfailure();");
2162 if (current_node.numNext()==0||stopset!=null&&stopset.contains(current_node)) {
2164 generateFlatNode(fm, current_node, output);
2166 if (state.OOOJAVA && stopset!=null) {
2167 assert first.getPrev(0) instanceof FlatSESEEnterNode;
2168 assert current_node instanceof FlatSESEExitNode;
2169 FlatSESEEnterNode fsen = (FlatSESEEnterNode) first.getPrev(0);
2170 FlatSESEExitNode fsxn = (FlatSESEExitNode) current_node;
2171 assert fsen.getFlatExit().equals(fsxn);
2172 assert fsxn.getFlatEnter().equals(fsen);
2174 if (current_node.kind()!=FKind.FlatReturnNode) {
2175 if((fm.getMethod() != null) && (fm.getMethod().isStaticBlock())) {
2176 // a static block, check if it has been executed
2177 output.println(" global_defsprim_p->" + fm.getMethod().getClassDesc().getSafeSymbol()+"static_block_exe_flag = 1;");
2180 output.println(" return;");
2183 } else if(current_node.numNext()==1) {
2185 if (state.OOOJAVA &&
2186 current_node.kind()==FKind.FlatSESEEnterNode) {
2187 FlatSESEEnterNode fsen = (FlatSESEEnterNode)current_node;
2188 generateFlatNode(fm, current_node, output);
2189 nextnode=fsen.getFlatExit().getNext(0);
2192 generateFlatNode(fm, current_node, output);
2193 nextnode=current_node.getNext(0);
2195 if (visited.contains(nextnode)) {
2196 output.println("goto L"+nodetolabel.get(nextnode)+";");
2199 current_node=nextnode;
2200 } else if (current_node.numNext()==2) {
2203 generateFlatCondBranch(fm, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
2204 if (!visited.contains(current_node.getNext(1)))
2205 tovisit.add(current_node.getNext(1));
2206 if (visited.contains(current_node.getNext(0))) {
2207 output.println("goto L"+nodetolabel.get(current_node.getNext(0))+";");
2210 current_node=current_node.getNext(0);
2211 } else throw new Error();
2215 protected Hashtable<FlatNode, Integer> assignLabels(FlatNode first, Set<FlatNode> lastset) {
2216 HashSet tovisit=new HashSet();
2217 HashSet visited=new HashSet();
2219 Hashtable<FlatNode, Integer> nodetolabel=new Hashtable<FlatNode, Integer>();
2222 /*Assign labels first. A node needs a label if the previous
2223 * node has two exits or this node is a join point. */
2225 while(!tovisit.isEmpty()) {
2226 FlatNode fn=(FlatNode)tovisit.iterator().next();
2231 if(lastset!=null&&lastset.contains(fn)) {
2232 // if last is not null and matches, don't go
2233 // any further for assigning labels
2237 for(int i=0; i<fn.numNext(); i++) {
2238 FlatNode nn=fn.getNext(i);
2241 //1) Edge >1 of node
2242 nodetolabel.put(nn,new Integer(labelindex++));
2244 if (!visited.contains(nn)&&!tovisit.contains(nn)) {
2248 nodetolabel.put(nn,new Integer(labelindex++));
2255 /** Generate text string that corresponds to the TempDescriptor td. */
2256 protected String generateTemp(FlatMethod fm, TempDescriptor td) {
2257 MethodDescriptor md=fm.getMethod();
2258 TaskDescriptor task=fm.getTask();
2259 TempObject objecttemps=(TempObject) tempstable.get(md!=null?md:task);
2261 if (objecttemps.isLocalPrim(td)||objecttemps.isParamPrim(td)) {
2262 return td.getSafeSymbol();
2265 if (objecttemps.isLocalPtr(td)) {
2266 return localsprefixderef+td.getSafeSymbol();
2269 if (objecttemps.isParamPtr(td)) {
2270 return paramsprefix+"->"+td.getSafeSymbol();
2278 protected void generateFlatNode(FlatMethod fm, FlatNode fn, PrintWriter output) {
2279 if(state.LINENUM) printSourceLineNumber(fm,fn,output);
2281 additionalCodePreNode(fm, fn, output);
2282 for(BuildCodeExtension bcx: extensions) {
2283 bcx.additionalCodePreNode(fm, fn, output);
2288 case FKind.FlatAtomicEnterNode:
2289 generateFlatAtomicEnterNode(fm, (FlatAtomicEnterNode) fn, output);
2292 case FKind.FlatAtomicExitNode:
2293 generateFlatAtomicExitNode(fm, (FlatAtomicExitNode) fn, output);
2296 case FKind.FlatInstanceOfNode:
2297 generateFlatInstanceOfNode(fm, (FlatInstanceOfNode)fn, output);
2300 case FKind.FlatSESEEnterNode:
2301 generateFlatSESEEnterNode(fm, (FlatSESEEnterNode)fn, output);
2304 case FKind.FlatSESEExitNode:
2305 generateFlatSESEExitNode(fm, (FlatSESEExitNode)fn, output);
2308 case FKind.FlatWriteDynamicVarNode:
2309 generateFlatWriteDynamicVarNode(fm, (FlatWriteDynamicVarNode)fn, output);
2312 case FKind.FlatGlobalConvNode:
2313 generateFlatGlobalConvNode(fm, (FlatGlobalConvNode) fn, output);
2316 case FKind.FlatTagDeclaration:
2317 generateFlatTagDeclaration(fm, (FlatTagDeclaration) fn,output);
2320 case FKind.FlatCall:
2321 generateFlatCall(fm, (FlatCall) fn,output);
2324 case FKind.FlatFieldNode:
2325 generateFlatFieldNode(fm, (FlatFieldNode) fn,output);
2328 case FKind.FlatElementNode:
2329 generateFlatElementNode(fm, (FlatElementNode) fn,output);
2332 case FKind.FlatSetElementNode:
2333 generateFlatSetElementNode(fm, (FlatSetElementNode) fn,output);
2336 case FKind.FlatSetFieldNode:
2337 generateFlatSetFieldNode(fm, (FlatSetFieldNode) fn,output);
2341 generateFlatNew(fm, (FlatNew) fn,output);
2344 case FKind.FlatOpNode:
2345 generateFlatOpNode(fm, (FlatOpNode) fn,output);
2348 case FKind.FlatCastNode:
2349 generateFlatCastNode(fm, (FlatCastNode) fn,output);
2352 case FKind.FlatLiteralNode:
2353 generateFlatLiteralNode(fm, (FlatLiteralNode) fn,output);
2356 case FKind.FlatReturnNode:
2357 generateFlatReturnNode(fm, (FlatReturnNode) fn,output);
2361 output.println("/* nop */");
2364 case FKind.FlatGenReachNode:
2365 // this node is just for generating a reach graph
2366 // in disjointness analysis at a particular program point
2369 case FKind.FlatExit:
2370 output.println("/* exit */");
2373 case FKind.FlatBackEdge:
2374 generateFlatBackEdge(fm, (FlatBackEdge)fn, output);
2377 case FKind.FlatCheckNode:
2378 generateFlatCheckNode(fm, (FlatCheckNode) fn, output);
2381 case FKind.FlatFlagActionNode:
2382 generateFlatFlagActionNode(fm, (FlatFlagActionNode) fn, output);
2385 case FKind.FlatPrefetchNode:
2386 generateFlatPrefetchNode(fm, (FlatPrefetchNode) fn, output);
2389 case FKind.FlatOffsetNode:
2390 generateFlatOffsetNode(fm, (FlatOffsetNode)fn, output);
2397 additionalCodePostNode(fm, fn, output);
2398 for(BuildCodeExtension bcx: extensions) {
2399 bcx.additionalCodePostNode(fm, fn, output);
2404 public void generateFlatBackEdge(FlatMethod fm, FlatBackEdge fn, PrintWriter output) {
2405 if (((state.OOOJAVA||state.THREAD)&&GENERATEPRECISEGC)
2406 || (this.state.MULTICOREGC)) {
2407 if(this.state.MULTICOREGC) {
2408 output.println("GCCHECK("+localsprefixaddr+");");
2410 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
2413 output.println("/* nop */");
2416 public void generateFlatOffsetNode(FlatMethod fm, FlatOffsetNode fofn, PrintWriter output) {
2417 output.println("/* FlatOffsetNode */");
2418 FieldDescriptor fd=fofn.getField();
2419 if(!fd.isStatic()) {
2420 output.println(generateTemp(fm, fofn.getDst())+ " = (short)(int) (&((struct "+fofn.getClassType().getSafeSymbol() +" *)0)->"+
2421 fd.getSafeSymbol()+");");
2423 output.println("/* offset */");
2426 public void generateFlatPrefetchNode(FlatMethod fm, FlatPrefetchNode fpn, PrintWriter output) {
2429 public void generateFlatGlobalConvNode(FlatMethod fm, FlatGlobalConvNode fgcn, PrintWriter output) {
2432 public void generateFlatInstanceOfNode(FlatMethod fm, FlatInstanceOfNode fion, PrintWriter output) {
2435 if (fion.getType().isArray()) {
2436 type=state.getArrayNumber(fion.getType())+state.numClasses();
2437 } else if (fion.getType().getClassDesc().isInterface()) {
2438 type=fion.getType().getClassDesc().getId()+state.numClasses()+state.numArrays();
2440 type=fion.getType().getClassDesc().getId();
2442 if (fion.getSrc().getType().isArray()) {
2443 otype=state.getArrayNumber(fion.getSrc().getType())+state.numClasses();
2444 } else if (fion.getSrc().getType().getClassDesc().isInterface()) {
2445 otype=fion.getSrc().getType().getClassDesc().getId()+state.numClasses()+state.numArrays();
2447 otype=fion.getSrc().getType().getClassDesc().getId();
2450 if (fion.getType().getSymbol().equals(TypeUtil.ObjectClass))
2451 output.println(generateTemp(fm, fion.getDst())+"=(" + generateTemp(fm,fion.getSrc()) + "!= NULL);");
2453 output.println(generateTemp(fm, fion.getDst())+"=instanceof("+generateTemp(fm,fion.getSrc())+","+type+");");
2457 public void generateFlatAtomicEnterNode(FlatMethod fm, FlatAtomicEnterNode faen, PrintWriter output) {
2460 public void generateFlatAtomicExitNode(FlatMethod fm, FlatAtomicExitNode faen, PrintWriter output) {
2463 public void generateFlatSESEEnterNode(FlatMethod fm,
2464 FlatSESEEnterNode fsen,
2465 PrintWriter output) {
2466 // if OOOJAVA flag is off, okay that SESE nodes are in IR graph,
2467 // just skip over them and code generates exactly the same
2470 public void generateFlatSESEExitNode(FlatMethod fm,
2471 FlatSESEExitNode fsexn,
2472 PrintWriter output) {
2473 // if OOOJAVA flag is off, okay that SESE nodes are in IR graph,
2474 // just skip over them and code generates exactly the same
2477 public void generateFlatWriteDynamicVarNode(FlatMethod fm,
2478 FlatWriteDynamicVarNode fwdvn,
2479 PrintWriter output) {
2483 protected void generateFlatCheckNode(FlatMethod fm, FlatCheckNode fcn, PrintWriter output) {
2484 if (state.CONSCHECK) {
2485 String specname=fcn.getSpec();
2486 String varname="repairstate___";
2487 output.println("{");
2488 output.println("struct "+specname+"_state * "+varname+"=allocate"+specname+"_state();");
2490 TempDescriptor[] temps=fcn.getTemps();
2491 String[] vars=fcn.getVars();
2492 for(int i=0; i<temps.length; i++) {
2493 output.println(varname+"->"+vars[i]+"=(unsigned int)"+generateTemp(fm, temps[i])+";");
2496 output.println("if (doanalysis"+specname+"("+varname+")) {");
2497 output.println("free"+specname+"_state("+varname+");");
2498 output.println("} else {");
2499 output.println("/* Bad invariant */");
2500 output.println("free"+specname+"_state("+varname+");");
2501 output.println("abort_task();");
2502 output.println("}");
2503 output.println("}");
2507 protected void generateFlatCall(FlatMethod fm, FlatCall fc, PrintWriter output) {
2508 MethodDescriptor md=fc.getMethod();
2509 ParamsObject objectparams=(ParamsObject)paramstable.get(md);
2511 ClassDescriptor cn=md.getClassDesc();
2512 String mdstring = md.getSafeMethodDescriptor();
2513 if(mgcstaticinit && !md.isStaticBlock() && !md.getModifiers().isNative()) {
2514 mdstring += "staticinit";
2517 // if the called method is a static block or a static method or a constructor
2518 // need to check if it can be invoked inside some static block
2519 if((md.isStatic() || md.isStaticBlock() || md.isConstructor()) &&
2520 ((fm.getMethod() != null) && ((fm.getMethod().isStaticBlock()) || (fm.getMethod().isInvokedByStatic())))) {
2521 if(!md.isInvokedByStatic()) {
2522 System.err.println("Error: a method that is invoked inside a static block is not tagged!");
2524 // is a static block or is invoked in some static block
2525 ClassDescriptor cd = fm.getMethod().getClassDesc();
2526 if(cd != cn && mgcstaticinit && callgraph.isInit(cn)) {
2527 // generate static init check code if it has not done static init in main()
2528 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
2529 // need to check if the class' static fields have been initialized and/or
2530 // its static blocks have been executed
2531 output.println("if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag == 0) {");
2532 if(cn.getNumStaticBlocks() != 0) {
2533 MethodDescriptor t_md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
2534 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2535 output.print(" struct "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2536 output.println("0, NULL};");
2537 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"(& __parameterlist__);");
2539 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
2542 output.println(" global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag = 1;");
2544 output.println("}");
2548 if((md.getSymbol().equals("MonitorEnter") || md.getSymbol().equals("MonitorExit")) && fc.getThis().getSymbol().equals("classobj")) {
2549 output.println("{");
2550 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
2551 output.println("int monitorenterline = __LINE__;");
2553 // call MonitorEnter/MonitorExit on a class obj
2554 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2555 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2556 output.println("1," + localsprefixaddr + ", ((void **)(((char *) &(global_defs_p->classobjs->___length___))+sizeof(int)))[" + fc.getThis().getType().getClassDesc().getId() + "]};");
2557 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
2558 output.println(" "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__, monitorenterline);");
2560 output.println(" "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
2563 output.println(" " + cn.getSafeSymbol()+md.getSafeSymbol()+"_"
2564 + md.getSafeMethodDescriptor() + "((struct ___Object___*)(((void **)(((char *) &(global_defs_p->classobjs->___length___))+sizeof(int)))["
2565 + fc.getThis().getType().getClassDesc().getId() + "]));");
2567 output.println("}");
2571 output.println("{");
2572 if(md.getSymbol().equals("MonitorEnter")) {
2573 output.println("int monitorenterline = __LINE__;");
2575 if (GENERATEPRECISEGC || state.MULTICOREGC) {
2576 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params __parameterlist__={");
2577 output.print(objectparams.numPointers());
2578 output.print(", "+localsprefixaddr);
2579 if (md.getThis()!=null) {
2581 output.print("(struct "+md.getThis().getType().getSafeSymbol() +" *)"+ generateTemp(fm,fc.getThis()));
2583 if (fc.getThis()!=null&&md.getThis()==null) {
2584 System.out.println("WARNING!!!!!!!!!!!!");
2585 System.out.println("Source code calls static method "+md+" on an object in "+fm.getMethod()+"!");
2588 for(int i=0; i<fc.numArgs(); i++) {
2589 Descriptor var=md.getParameter(i);
2590 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
2591 if (objectparams.isParamPtr(paramtemp)) {
2592 TempDescriptor targ=fc.getArg(i);
2594 TypeDescriptor td=md.getParamType(i);
2596 output.print("(struct "+(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol() +" *)"+generateTemp(fm, targ));
2598 output.print("(struct "+md.getParamType(i).getSafeSymbol() +" *)"+generateTemp(fm, targ));
2601 output.println("};");
2606 if (fc.getReturnTemp()!=null)
2607 output.print(generateTemp(fm,fc.getReturnTemp())+"=");
2609 /* Do we need to do virtual dispatch? */
2611 if (md.isStatic()||md.getReturnType()==null||singleCall(fc.getThis().getType().getClassDesc(),md)||fc.getSuper()) {
2613 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring);
2617 if (md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
2618 output.print("int ");
2619 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
2620 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
2622 output.print(md.getReturnType().getSafeSymbol()+" ");
2623 output.print("(*)(");
2625 boolean printcomma=false;
2626 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2627 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params * ");
2631 for(int i=0; i<objectparams.numPrimitives(); i++) {
2632 TempDescriptor temp=objectparams.getPrimitive(i);
2636 if (temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
2637 output.print("int ");
2638 } else if (temp.getType().isClass()||temp.getType().isArray())
2639 output.print("struct " + temp.getType().getSafeSymbol()+" * ");
2641 output.print(temp.getType().getSafeSymbol());
2644 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
2645 output.print(", int");
2647 output.print("))virtualtable["+generateTemp(fm,fc.getThis())+"->type*"+maxcount+"+"+virtualcalls.getMethodNumber(md)+"])");
2651 boolean needcomma=false;
2652 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2653 output.print("&__parameterlist__");
2657 if (!GENERATEPRECISEGC && !this.state.MULTICOREGC) {
2658 if (fc.getThis()!=null) {
2659 TypeDescriptor ptd=null;
2660 if(md.getThis() != null) {
2661 ptd = md.getThis().getType();
2663 ptd = fc.getThis().getType();
2667 if(ptd.isClass() && ptd.getClassDesc().isEnum()) {
2669 } else if (ptd.isClass()&&!ptd.isArray())
2670 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
2671 output.print(generateTemp(fm,fc.getThis()));
2676 for(int i=0; i<fc.numArgs(); i++) {
2677 Descriptor var=md.getParameter(i);
2678 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
2679 if (objectparams.isParamPrim(paramtemp)) {
2680 TempDescriptor targ=fc.getArg(i);
2684 TypeDescriptor ptd=md.getParamType(i);
2685 if (ptd.isClass() && ptd.getClassDesc().isEnum()) {
2687 } else if (ptd.isClass()&&!ptd.isArray())
2688 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
2689 output.print(generateTemp(fm, targ));
2693 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
2694 output.println(", monitorenterline);");
2696 output.println(");");
2698 output.println(" }");
2701 protected boolean singleCall(ClassDescriptor thiscd, MethodDescriptor md) {
2702 if(thiscd.isInterface()) {
2703 // for interfaces, always need virtual dispatch
2706 Set subclasses=typeutil.getSubClasses(thiscd);
2707 if (subclasses==null)
2709 for(Iterator classit=subclasses.iterator(); classit.hasNext(); ) {
2710 ClassDescriptor cd=(ClassDescriptor)classit.next();
2711 Set possiblematches=cd.getMethodTable().getSetFromSameScope(md.getSymbol());
2712 for(Iterator matchit=possiblematches.iterator(); matchit.hasNext(); ) {
2713 MethodDescriptor matchmd=(MethodDescriptor)matchit.next();
2714 if (md.matches(matchmd))
2722 protected void generateFlatFieldNode(FlatMethod fm, FlatFieldNode ffn, PrintWriter output) {
2724 if(ffn.getField().isStatic()) {
2726 if((fm.getMethod().isStaticBlock()) || (fm.getMethod().isInvokedByStatic())) {
2727 // is a static block or is invoked in some static block
2728 ClassDescriptor cd = fm.getMethod().getClassDesc();
2729 ClassDescriptor cn = ffn.getSrc().getType().getClassDesc();
2730 if(cd != cn && mgcstaticinit && callgraph.isInit(cn)) {
2731 // generate the static init check code if has not done the static init in main()
2732 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
2733 // need to check if the class' static fields have been initialized and/or
2734 // its static blocks have been executed
2735 output.println("if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag == 0) {");
2736 if(cn.getNumStaticBlocks() != 0) {
2737 MethodDescriptor t_md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
2738 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2739 output.print(" struct "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2740 output.println("0, NULL};");
2741 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"(& __parameterlist__);");
2743 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
2746 output.println(" global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag = 1;");
2748 output.println("}");
2752 // redirect to the global_defs_p structure
2753 if (ffn.getField().getType().isPtr())
2754 output.println(generateTemp(fm, ffn.getDst())+"=global_defs_p->"+ffn.getField().getSafeSymbol()+";");
2756 output.println(generateTemp(fm, ffn.getDst())+"=global_defsprim_p->"+ffn.getField().getSafeSymbol()+";");
2757 } else if (ffn.getField().isEnum()) {
2758 // an Enum value, directly replace the field access as int
2759 output.println(generateTemp(fm, ffn.getDst()) + "=" + ffn.getField().enumValue() + ";");
2761 if( state.CAPTURE_NULL_DEREFERENCES ) {
2762 output.println("#ifdef CAPTURE_NULL_DEREFERENCES");
2763 output.println("if (" + generateTemp(fm,ffn.getSrc()) + " == NULL) {");
2764 output.println("printf(\" NULL ptr error: %s, %s, %d \\n\", __FILE__, __func__, __LINE__);");
2765 if(state.MULTICOREGC) {
2766 output.println("failednullptr(&___locals___);");
2768 output.println("failednullptr(NULL);");
2770 output.println("}");
2771 output.println("#endif //CAPTURE_NULL_DEREFERENCES");
2773 output.println(generateTemp(fm, ffn.getDst())+"="+ generateTemp(fm,ffn.getSrc())+"->"+ ffn.getField().getSafeSymbol()+";");
2778 protected void generateFlatSetFieldNode(FlatMethod fm, FlatSetFieldNode fsfn, PrintWriter output) {
2779 if (fsfn.getField().getSymbol().equals("length")&&fsfn.getDst().getType().isArray())
2780 throw new Error("Can't set array length");
2781 if (state.FASTCHECK) {
2782 String dst=generateTemp(fm, fsfn.getDst());
2783 output.println("if(!"+dst+"->"+localcopystr+") {");
2784 /* Link object into list */
2785 if (GENERATEPRECISEGC || this.state.MULTICOREGC)
2786 output.println("COPY_OBJ((struct garbagelist *)"+localsprefixaddr+",(struct ___Object___ *)"+dst+");");
2788 output.println("COPY_OBJ("+dst+");");
2789 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2790 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2791 output.println("}");
2794 if(fsfn.getField().isStatic()) {
2796 if((fm.getMethod().isStaticBlock()) || (fm.getMethod().isInvokedByStatic())) {
2797 // is a static block or is invoked in some static block
2798 ClassDescriptor cd = fm.getMethod().getClassDesc();
2799 ClassDescriptor cn = fsfn.getDst().getType().getClassDesc();
2800 if(cd != cn && mgcstaticinit && callgraph.isInit(cn)) {
2801 // generate static init check code if has not done the static init in main()
2802 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
2803 // need to check if the class' static fields have been initialized and/or
2804 // its static blocks have been executed
2805 output.println("if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag == 0) {");
2806 if(cn.getNumStaticBlocks() != 0) {
2807 MethodDescriptor t_md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
2808 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2809 output.print(" struct "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2810 output.println("0, NULL};");
2811 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"(& __parameterlist__);");
2813 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
2816 output.println(" global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag = 1;");
2818 output.println("}");
2822 // redirect to the global_defs_p structure
2823 if (fsfn.getField().getType().isPtr()) {
2824 if (fsfn.getField().getType()!=fsfn.getSrc().getType())
2825 output.println("global_defs_p->" +
2826 fsfn.getField().getSafeSymbol()+"=(struct "+ fsfn.getField().getType().getSafeSymbol()+" *)"+generateTemp(fm,fsfn.getSrc())+";");
2828 output.println("global_defs_p->" +
2829 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc())+";");
2831 output.println("global_defsprim_p->" +
2832 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc())+";");
2835 if( state.CAPTURE_NULL_DEREFERENCES ) {
2836 output.println("#ifdef CAPTURE_NULL_DEREFERENCES");
2837 output.println("if (" + generateTemp(fm,fsfn.getDst()) + " == NULL) {");
2838 output.println("printf(\" NULL ptr error: %s, %s, %d \\n\", __FILE__, __func__, __LINE__);");
2839 if(state.MULTICOREGC) {
2840 output.println("failednullptr(&___locals___);");
2842 output.println("failednullptr(NULL);");
2844 output.println("}");
2845 output.println("#endif //CAPTURE_NULL_DEREFERENCES");
2848 if (fsfn.getSrc().getType().isPtr()&&fsfn.getSrc().getType()!=fsfn.getField().getType())
2849 output.println(generateTemp(fm, fsfn.getDst())+"->"+
2850 fsfn.getField().getSafeSymbol()+"=(struct "+ fsfn.getField().getType().getSafeSymbol()+"*)"+generateTemp(fm,fsfn.getSrc())+";");
2852 output.println(generateTemp(fm, fsfn.getDst())+"->"+
2853 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc())+";");
2858 protected void generateFlatElementNode(FlatMethod fm, FlatElementNode fen, PrintWriter output) {
2859 TypeDescriptor elementtype=fen.getSrc().getType().dereference();
2862 if (elementtype.isClass() && elementtype.getClassDesc().isEnum()) {
2864 } else if (elementtype.isArray()||elementtype.isClass())
2867 type=elementtype.getSafeSymbol()+" ";
2869 if (this.state.ARRAYBOUNDARYCHECK && fen.needsBoundsCheck()) {
2870 output.println("if (unlikely(((unsigned int)"+generateTemp(fm, fen.getIndex())+") >= "+generateTemp(fm,fen.getSrc()) + "->___length___))");
2871 output.println("failedboundschk(__LINE__, " +generateTemp(fm, fen.getIndex()) +", "+ generateTemp(fm, fen.getSrc()) + ");");
2873 output.println(generateTemp(fm, fen.getDst())+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc())+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex())+"];");
2874 if (fen.getDst().getType().isPtr())
2878 protected void generateFlatSetElementNode(FlatMethod fm, FlatSetElementNode fsen, PrintWriter output) {
2879 //TODO: need dynamic check to make sure this assignment is actually legal
2880 //Because Object[] could actually be something more specific...ie. Integer[]
2882 TypeDescriptor elementtype=fsen.getDst().getType().dereference();
2885 if (elementtype.isClass() && elementtype.getClassDesc().isEnum()) {
2887 } else if (elementtype.isArray()||elementtype.isClass() || (elementtype.isNull()))
2890 type=elementtype.getSafeSymbol()+" ";
2892 if (this.state.ARRAYBOUNDARYCHECK && fsen.needsBoundsCheck()) {
2893 output.println("if (unlikely(((unsigned int)"+generateTemp(fm, fsen.getIndex())+") >= "+generateTemp(fm,fsen.getDst()) + "->___length___))");
2894 output.println("failedboundschk(__LINE__, " +generateTemp(fm, fsen.getIndex()) +", "+ generateTemp(fm, fsen.getDst()) + ");");
2896 if (state.FASTCHECK) {
2897 String dst=generateTemp(fm, fsen.getDst());
2898 output.println("if(!"+dst+"->"+localcopystr+") {");
2899 /* Link object into list */
2900 if (GENERATEPRECISEGC || this.state.MULTICOREGC)
2901 output.println("COPY_OBJ((struct garbagelist *)"+localsprefixaddr+",(struct ___Object___ *)"+dst+");");
2903 output.println("COPY_OBJ("+dst+");");
2904 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2905 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2906 output.println("}");
2908 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst())+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex())+"]="+generateTemp(fm,fsen.getSrc())+";");
2912 protected void generateFlatNew(FlatMethod fm, FlatNew fn, PrintWriter output) {
2913 String dst=generateTemp(fm,fn.getDst());
2915 if (fn.getType().isArray()) {
2916 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
2917 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2918 output.println(generateTemp(fm,fn.getDst())+"=allocate_newarray("+localsprefixaddr+", "+arrayid+", "+generateTemp(fm, fn.getSize())+");");
2920 output.println(generateTemp(fm,fn.getDst())+"=allocate_newarray("+arrayid+", "+generateTemp(fm, fn.getSize())+");");
2923 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2924 output.println(generateTemp(fm,fn.getDst())+"=allocate_new("+localsprefixaddr+", "+fn.getType().getClassDesc().getId()+");");
2926 output.println(generateTemp(fm,fn.getDst())+"=allocate_new("+fn.getType().getClassDesc().getId()+");");
2929 if (state.FASTCHECK) {
2930 output.println(dst+"->___localcopy___=(struct ___Object___*)1;");
2931 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2932 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2934 for(BuildCodeExtension bcx: extensions) {
2935 bcx.additionalCodeNewObject(output, dst, fn);
2939 protected void generateFlatTagDeclaration(FlatMethod fm, FlatTagDeclaration fn, PrintWriter output) {
2940 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2941 output.println(generateTemp(fm,fn.getDst())+"=allocate_tag("+localsprefixaddr+", "+state.getTagId(fn.getType())+");");
2943 output.println(generateTemp(fm,fn.getDst())+"=allocate_tag("+state.getTagId(fn.getType())+");");
2947 protected void generateFlatOpNode(FlatMethod fm, FlatOpNode fon, PrintWriter output) {
2948 if (fon.getRight()!=null) {
2949 if (fon.getOp().getOp()==Operation.URIGHTSHIFT) {
2950 if (fon.getLeft().getType().isLong())
2951 output.println(generateTemp(fm, fon.getDest())+" = ((unsigned long long)"+generateTemp(fm, fon.getLeft())+")>>"+generateTemp(fm,fon.getRight())+";");
2953 output.println(generateTemp(fm, fon.getDest())+" = ((unsigned int)"+generateTemp(fm, fon.getLeft())+")>>"+generateTemp(fm,fon.getRight())+";");
2956 if (fon.getLeft().getType().isPtr()&&fon.getLeft().getType()!=fon.getRight().getType()&&!fon.getRight().getType().isNull())
2957 output.println(generateTemp(fm, fon.getDest())+" = (struct "+fon.getRight().getType().getSafeSymbol()+"*)"+generateTemp(fm, fon.getLeft())+fon.getOp().toString()+generateTemp(fm,fon.getRight())+";");
2959 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+fon.getOp().toString()+generateTemp(fm,fon.getRight())+";");
2961 } else if (fon.getOp().getOp()==Operation.ASSIGN)
2962 if (fon.getDest().getType().isPtr()&&fon.getDest().getType()!=fon.getLeft().getType())
2963 output.println(generateTemp(fm, fon.getDest())+" = (struct "+fon.getDest().getType().getSafeSymbol()+"*)"+generateTemp(fm, fon.getLeft())+";");
2965 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+";");
2966 else if (fon.getOp().getOp()==Operation.UNARYPLUS)
2967 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+";");
2968 else if (fon.getOp().getOp()==Operation.UNARYMINUS)
2969 output.println(generateTemp(fm, fon.getDest())+" = -"+generateTemp(fm, fon.getLeft())+";");
2970 else if (fon.getOp().getOp()==Operation.LOGIC_NOT)
2971 output.println(generateTemp(fm, fon.getDest())+" = !"+generateTemp(fm, fon.getLeft())+";");
2972 else if (fon.getOp().getOp()==Operation.COMP)
2973 output.println(generateTemp(fm, fon.getDest())+" = ~"+generateTemp(fm, fon.getLeft())+";");
2974 else if (fon.getOp().getOp()==Operation.ISAVAILABLE) {
2975 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+"->fses==NULL;");
2977 output.println(generateTemp(fm, fon.getDest())+fon.getOp().toString()+generateTemp(fm, fon.getLeft())+";");
2980 protected void generateFlatCastNode(FlatMethod fm, FlatCastNode fcn, PrintWriter output) {
2981 /* TODO: Do type check here */
2982 if (fcn.getType().isArray()) {
2983 output.println(generateTemp(fm,fcn.getDst())+"=(struct ArrayObject *)"+generateTemp(fm,fcn.getSrc())+";");
2984 } else if (fcn.getType().isClass() && fcn.getType().getClassDesc().isEnum()) {
2985 output.println(generateTemp(fm,fcn.getDst())+"=(int)"+generateTemp(fm,fcn.getSrc())+";");
2986 } else if (fcn.getType().isClass())
2987 output.println(generateTemp(fm,fcn.getDst())+"=(struct "+fcn.getType().getSafeSymbol()+" *)"+generateTemp(fm,fcn.getSrc())+";");
2989 output.println(generateTemp(fm,fcn.getDst())+"=("+fcn.getType().getSafeSymbol()+")"+generateTemp(fm,fcn.getSrc())+";");
2994 protected void generateFlatLiteralNode(FlatMethod fm, FlatLiteralNode fln, PrintWriter output) {
2995 if (fln.getValue()==null)
2996 output.println(generateTemp(fm, fln.getDst())+"=0;");
2997 else if (fln.getType().getSymbol().equals(TypeUtil.StringClass)) {
2998 String str=(String)fln.getValue();
2999 output.println("{");
3000 output.print("short str"+flncount+"[]={");
3001 for(int i=0; i<str.length(); i++) {
3004 output.print(((int)str.charAt(i)));
3006 output.println("};");
3007 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
3008 output.println(generateTemp(fm, fln.getDst())+"=NewStringShort("+localsprefixaddr+", str"+flncount+", "+((String)fln.getValue()).length()+");");
3010 output.println(generateTemp(fm, fln.getDst())+"=NewStringShort(str"+flncount+" ,"+((String)fln.getValue()).length()+");");
3013 for(BuildCodeExtension bcx: extensions) {
3014 bcx.additionalCodeNewStringLiteral(output, generateTemp(fm, fln.getDst()));
3017 output.println("}");
3019 } else if (fln.getType().isBoolean()) {
3020 if (((Boolean)fln.getValue()).booleanValue())
3021 output.println(generateTemp(fm, fln.getDst())+"=1;");
3023 output.println(generateTemp(fm, fln.getDst())+"=0;");
3024 } else if (fln.getType().isChar()) {
3025 int val=(int)(((Character)fln.getValue()).charValue());
3026 output.println(generateTemp(fm, fln.getDst())+"="+val+";");
3027 } else if (fln.getType().isLong()) {
3028 output.println(generateTemp(fm, fln.getDst())+"="+fln.getValue()+"LL;");
3030 output.println(generateTemp(fm, fln.getDst())+"="+fln.getValue()+";");
3033 protected void generateFlatReturnNode(FlatMethod fm, FlatReturnNode frn, PrintWriter output) {
3034 if((fm.getMethod() != null) && (fm.getMethod().isStaticBlock())) {
3035 // a static block, check if it has been executed
3036 output.println(" global_defsprim_p->" + fm.getMethod().getClassDesc().getSafeSymbol()+"static_block_exe_flag = 1;");
3040 if (frn.getReturnTemp()!=null) {
3041 if (frn.getReturnTemp().getType().isPtr())
3042 output.println("return (struct "+fm.getMethod().getReturnType().getSafeSymbol()+"*)"+generateTemp(fm, frn.getReturnTemp())+";");
3044 output.println("return "+generateTemp(fm, frn.getReturnTemp())+";");
3046 output.println("return;");
3050 protected void generateFlatCondBranch(FlatMethod fm, FlatCondBranch fcb, String label, PrintWriter output) {
3051 output.println("if (!"+generateTemp(fm, fcb.getTest())+") goto "+label+";");
3054 /** This method generates header information for the method or
3055 * task referenced by the Descriptor des. */
3056 protected void generateHeader(FlatMethod fm, Descriptor des, PrintWriter output) {
3057 generateHeader(fm, des, output, false);
3060 protected void generateHeader(FlatMethod fm, Descriptor des, PrintWriter output, boolean addSESErecord) {
3062 ParamsObject objectparams=(ParamsObject)paramstable.get(des);
3063 MethodDescriptor md=null;
3064 TaskDescriptor task=null;
3065 if (des instanceof MethodDescriptor)
3066 md=(MethodDescriptor) des;
3068 task=(TaskDescriptor) des;
3069 String mdstring = md != null?md.getSafeMethodDescriptor():null;
3071 ClassDescriptor cn=md!=null?md.getClassDesc():null;
3073 if (md!=null&&md.getReturnType()!=null) {
3074 if (md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
3075 output.print("int ");
3076 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
3077 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
3079 output.print(md.getReturnType().getSafeSymbol()+" ");
3081 //catch the constructor case
3082 output.print("void ");
3084 if(mgcstaticinit && !md.isStaticBlock() && !md.getModifiers().isNative()) {
3085 mdstring += "staticinit";
3087 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"(");
3089 output.print(task.getSafeSymbol()+"(");
3091 boolean printcomma=false;
3092 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
3094 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params * "+paramsprefix);
3096 output.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
3102 for(int i=0; i<objectparams.numPrimitives(); i++) {
3103 TempDescriptor temp=objectparams.getPrimitive(i);
3107 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
3108 output.print("int " + temp.getSafeSymbol());
3109 } else if (temp.getType().isClass()||temp.getType().isArray())
3110 output.print("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
3112 output.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
3114 output.println(") {");
3115 } else if (!GENERATEPRECISEGC && !this.state.MULTICOREGC) {
3116 /* Imprecise Task */
3117 output.println("void * parameterarray[]) {");
3118 /* Unpack variables */
3119 for(int i=0; i<objectparams.numPrimitives(); i++) {
3120 TempDescriptor temp=objectparams.getPrimitive(i);
3121 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
3122 output.print("int " + temp.getSafeSymbol() + "=parameterarray["+i+"];");
3124 output.println("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+"=parameterarray["+i+"];");
3127 for(int i=0; i<fm.numTags(); i++) {
3128 TempDescriptor temp=fm.getTag(i);
3129 int offset=i+objectparams.numPrimitives();
3130 output.println("struct ___TagDescriptor___ * "+temp.getSafeSymbol()+"=parameterarray["+offset+"];");
3133 if ((objectparams.numPrimitives()+fm.numTags())>maxtaskparams)
3134 maxtaskparams=objectparams.numPrimitives()+fm.numTags();
3135 } else output.println(") {");
3138 public void generateFlatFlagActionNode(FlatMethod fm, FlatFlagActionNode ffan, PrintWriter output) {
3139 output.println("/* FlatFlagActionNode */");
3142 /* Process tag changes */
3143 Relation tagsettable=new Relation();
3144 Relation tagcleartable=new Relation();
3146 Iterator tagsit=ffan.getTempTagPairs();
3147 while (tagsit.hasNext()) {
3148 TempTagPair ttp=(TempTagPair) tagsit.next();
3149 TempDescriptor objtmp=ttp.getTemp();
3150 TagDescriptor tag=ttp.getTag();
3151 TempDescriptor tagtmp=ttp.getTagTemp();
3152 boolean tagstatus=ffan.getTagChange(ttp);
3154 tagsettable.put(objtmp, tagtmp);
3156 tagcleartable.put(objtmp, tagtmp);
3161 Hashtable flagandtable=new Hashtable();
3162 Hashtable flagortable=new Hashtable();
3164 /* Process flag changes */
3165 Iterator flagsit=ffan.getTempFlagPairs();
3166 while(flagsit.hasNext()) {
3167 TempFlagPair tfp=(TempFlagPair)flagsit.next();
3168 TempDescriptor temp=tfp.getTemp();
3169 Hashtable flagtable=(Hashtable)flagorder.get(temp.getType().getClassDesc());
3170 FlagDescriptor flag=tfp.getFlag();
3172 //Newly allocate objects that don't set any flags case
3173 if (flagortable.containsKey(temp)) {
3177 flagortable.put(temp,new Integer(mask));
3179 int flagid=1<<((Integer)flagtable.get(flag)).intValue();
3180 boolean flagstatus=ffan.getFlagChange(tfp);
3183 if (flagortable.containsKey(temp)) {
3184 mask=((Integer)flagortable.get(temp)).intValue();
3187 flagortable.put(temp,new Integer(mask));
3189 int mask=0xFFFFFFFF;
3190 if (flagandtable.containsKey(temp)) {
3191 mask=((Integer)flagandtable.get(temp)).intValue();
3193 mask&=(0xFFFFFFFF^flagid);
3194 flagandtable.put(temp,new Integer(mask));
3200 HashSet flagtagset=new HashSet();
3201 flagtagset.addAll(flagortable.keySet());
3202 flagtagset.addAll(flagandtable.keySet());
3203 flagtagset.addAll(tagsettable.keySet());
3204 flagtagset.addAll(tagcleartable.keySet());
3206 Iterator ftit=flagtagset.iterator();
3207 while(ftit.hasNext()) {
3208 TempDescriptor temp=(TempDescriptor)ftit.next();
3211 Set tagtmps=tagcleartable.get(temp);
3212 if (tagtmps!=null) {
3213 Iterator tagit=tagtmps.iterator();
3214 while(tagit.hasNext()) {
3215 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
3216 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC))
3217 output.println("tagclear("+localsprefixaddr+", (struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
3219 output.println("tagclear((struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
3223 tagtmps=tagsettable.get(temp);
3224 if (tagtmps!=null) {
3225 Iterator tagit=tagtmps.iterator();
3226 while(tagit.hasNext()) {
3227 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
3228 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC))
3229 output.println("tagset("+localsprefixaddr+", (struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
3231 output.println("tagset((struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
3236 int andmask=0xFFFFFFF;
3238 if (flagortable.containsKey(temp))
3239 ormask=((Integer)flagortable.get(temp)).intValue();
3240 if (flagandtable.containsKey(temp))
3241 andmask=((Integer)flagandtable.get(temp)).intValue();
3242 generateFlagOrAnd(ffan, fm, temp, output, ormask, andmask);
3243 generateObjectDistribute(ffan, fm, temp, output);
3247 protected void generateFlagOrAnd(FlatFlagActionNode ffan, FlatMethod fm, TempDescriptor temp,
3248 PrintWriter output, int ormask, int andmask) {
3249 if (ffan.getTaskType()==FlatFlagActionNode.NEWOBJECT) {
3250 output.println("flagorandinit("+generateTemp(fm, temp)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
3252 output.println("flagorand("+generateTemp(fm, temp)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
3256 protected void generateObjectDistribute(FlatFlagActionNode ffan, FlatMethod fm, TempDescriptor temp, PrintWriter output) {
3257 output.println("enqueueObject("+generateTemp(fm, temp)+");");
3260 void generateOptionalHeader(PrintWriter headers) {
3263 headers.println("#include \"task.h\"\n\n");
3264 headers.println("#ifndef _OPTIONAL_STRUCT_");
3265 headers.println("#define _OPTIONAL_STRUCT_");
3267 //STRUCT PREDICATEMEMBER
3268 headers.println("struct predicatemember{");
3269 headers.println("int type;");
3270 headers.println("int numdnfterms;");
3271 headers.println("int * flags;");
3272 headers.println("int numtags;");
3273 headers.println("int * tags;\n};\n\n");
3275 //STRUCT OPTIONALTASKDESCRIPTOR
3276 headers.println("struct optionaltaskdescriptor{");
3277 headers.println("struct taskdescriptor * task;");
3278 headers.println("int index;");
3279 headers.println("int numenterflags;");
3280 headers.println("int * enterflags;");
3281 headers.println("int numpredicatemembers;");
3282 headers.println("struct predicatemember ** predicatememberarray;");
3283 headers.println("};\n\n");
3285 //STRUCT TASKFAILURE
3286 headers.println("struct taskfailure {");
3287 headers.println("struct taskdescriptor * task;");
3288 headers.println("int index;");
3289 headers.println("int numoptionaltaskdescriptors;");
3290 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
3292 //STRUCT FSANALYSISWRAPPER
3293 headers.println("struct fsanalysiswrapper{");
3294 headers.println("int flags;");
3295 headers.println("int numtags;");
3296 headers.println("int * tags;");
3297 headers.println("int numtaskfailures;");
3298 headers.println("struct taskfailure ** taskfailurearray;");
3299 headers.println("int numoptionaltaskdescriptors;");
3300 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
3302 //STRUCT CLASSANALYSISWRAPPER
3303 headers.println("struct classanalysiswrapper{");
3304 headers.println("int type;");
3305 headers.println("int numotd;");
3306 headers.println("struct optionaltaskdescriptor ** otdarray;");
3307 headers.println("int numfsanalysiswrappers;");
3308 headers.println("struct fsanalysiswrapper ** fsanalysiswrapperarray;\n};");
3310 headers.println("extern struct classanalysiswrapper * classanalysiswrapperarray[];");
3312 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
3313 while(taskit.hasNext()) {
3314 TaskDescriptor td=(TaskDescriptor)taskit.next();
3315 headers.println("extern struct taskdescriptor task_"+td.getSafeSymbol()+";");
3320 //CHECK OVER THIS -- THERE COULD BE SOME ERRORS HERE
3321 int generateOptionalPredicate(Predicate predicate, OptionalTaskDescriptor otd, ClassDescriptor cdtemp, PrintWriter output) {
3322 int predicateindex = 0;
3323 //iterate through the classes concerned by the predicate
3324 Set c_vard = predicate.vardescriptors;
3325 Hashtable<TempDescriptor, Integer> slotnumber=new Hashtable<TempDescriptor, Integer>();
3328 for(Iterator vard_it = c_vard.iterator(); vard_it.hasNext(); ) {
3329 VarDescriptor vard = (VarDescriptor)vard_it.next();
3330 TypeDescriptor typed = vard.getType();
3332 //generate for flags
3333 HashSet fen_hashset = predicate.flags.get(vard.getSymbol());
3334 output.println("int predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3336 if (fen_hashset!=null) {
3337 for (Iterator fen_it = fen_hashset.iterator(); fen_it.hasNext(); ) {
3338 FlagExpressionNode fen = (FlagExpressionNode)fen_it.next();
3340 DNFFlag dflag=fen.getDNF();
3341 numberterms+=dflag.size();
3343 Hashtable flags=(Hashtable)flagorder.get(typed.getClassDesc());
3345 for(int j=0; j<dflag.size(); j++) {
3347 output.println(",");
3348 Vector term=dflag.get(j);
3351 for(int k=0; k<term.size(); k++) {
3352 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
3353 FlagDescriptor fd=dfa.getFlag();
3354 boolean negated=dfa.getNegated();
3355 int flagid=1<<((Integer)flags.get(fd)).intValue();
3360 output.print("/*andmask*/0x"+Integer.toHexString(andmask)+", /*checkmask*/0x"+Integer.toHexString(checkmask));
3365 output.println("};\n");
3368 TagExpressionList tagel = predicate.tags.get(vard.getSymbol());
3369 output.println("int predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3372 for(int j=0; j<tagel.numTags(); j++) {
3374 output.println(",");
3375 TempDescriptor tmp=tagel.getTemp(j);
3376 if (!slotnumber.containsKey(tmp)) {
3377 Integer slotint=new Integer(current_slot++);
3378 slotnumber.put(tmp,slotint);
3380 int slot=slotnumber.get(tmp).intValue();
3381 output.println("/* slot */"+ slot+", /*tagid*/"+state.getTagId(tmp.getTag()));
3383 numtags = tagel.numTags();
3385 output.println("};");
3387 //store the result into a predicatemember struct
3388 output.println("struct predicatemember predicatemember_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
3389 output.println("/*type*/"+typed.getClassDesc().getId()+",");
3390 output.println("/* number of dnf terms */"+numberterms+",");
3391 output.println("predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3392 output.println("/* number of tag */"+numtags+",");
3393 output.println("predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3394 output.println("};\n");
3399 //generate an array that stores the entire predicate
3400 output.println("struct predicatemember * predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3401 for( int j = 0; j<predicateindex; j++) {
3402 if( j != predicateindex-1) output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3403 else output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3405 output.println("};\n");
3406 return predicateindex;
3410 void generateOptionalArrays(PrintWriter output, PrintWriter headers, Hashtable<ClassDescriptor, Hashtable<FlagState, Set<OptionalTaskDescriptor>>> safeexecution, Hashtable optionaltaskdescriptors) {
3411 generateOptionalHeader(headers);
3413 output.println("#include \"optionalstruct.h\"\n\n");
3414 output.println("#include \"stdlib.h\"\n");
3416 HashSet processedcd = new HashSet();
3418 Enumeration e = safeexecution.keys();
3419 while (e.hasMoreElements()) {
3422 ClassDescriptor cdtemp=(ClassDescriptor)e.nextElement();
3423 Hashtable flaginfo=(Hashtable)flagorder.get(cdtemp); //will be used several times
3425 //Generate the struct of optionals
3426 Collection c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
3427 numotd = c_otd.size();
3428 if(maxotd<numotd) maxotd = numotd;
3429 if( !c_otd.isEmpty() ) {
3430 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext(); ) {
3431 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
3433 //generate the int arrays for the predicate
3434 Predicate predicate = otd.predicate;
3435 int predicateindex = generateOptionalPredicate(predicate, otd, cdtemp, output);
3436 TreeSet<Integer> fsset=new TreeSet<Integer>();
3437 //iterate through possible FSes corresponding to
3438 //the state when entering
3440 for(Iterator fses = otd.enterflagstates.iterator(); fses.hasNext(); ) {
3441 FlagState fs = (FlagState)fses.next();
3443 for(Iterator flags = fs.getFlags(); flags.hasNext(); ) {
3444 FlagDescriptor flagd = (FlagDescriptor)flags.next();
3445 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
3448 fsset.add(new Integer(flagid));
3449 //tag information not needed because tag
3450 //changes are not tolerated.
3453 output.println("int enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3454 boolean needcomma=false;
3455 for(Iterator<Integer> it=fsset.iterator(); it.hasNext(); ) {
3458 output.println(it.next());
3461 output.println("};\n");
3464 //generate optionaltaskdescriptor that actually
3465 //includes exit fses, predicate and the task
3467 output.println("struct optionaltaskdescriptor optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
3468 output.println("&task_"+otd.td.getSafeSymbol()+",");
3469 output.println("/*index*/"+otd.getIndex()+",");
3470 output.println("/*number of enter flags*/"+fsset.size()+",");
3471 output.println("enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3472 output.println("/*number of members */"+predicateindex+",");
3473 output.println("predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3474 output.println("};\n");
3478 // if there are no optionals, there is no need to build the rest of the struct
3480 output.println("struct optionaltaskdescriptor * otdarray"+cdtemp.getSafeSymbol()+"[]={");
3481 c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
3482 if( !c_otd.isEmpty() ) {
3483 boolean needcomma=false;
3484 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext(); ) {
3485 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
3487 output.println(",");
3489 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3492 output.println("};\n");
3494 //get all the possible flagstates reachable by an object
3495 Hashtable hashtbtemp = safeexecution.get(cdtemp);
3497 TreeSet fsts=new TreeSet(new FlagComparator(flaginfo));
3498 fsts.addAll(hashtbtemp.keySet());
3499 for(Iterator fsit=fsts.iterator(); fsit.hasNext(); ) {
3500 FlagState fs = (FlagState)fsit.next();
3503 //get the set of OptionalTaskDescriptors corresponding
3504 HashSet<OptionalTaskDescriptor> availabletasks = (HashSet<OptionalTaskDescriptor>)hashtbtemp.get(fs);
3505 //iterate through the OptionalTaskDescriptors and
3506 //store the pointers to the optionals struct (see on
3507 //top) into an array
3509 output.println("struct optionaltaskdescriptor * optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[] = {");
3510 for(Iterator<OptionalTaskDescriptor> mos = ordertd(availabletasks).iterator(); mos.hasNext(); ) {
3511 OptionalTaskDescriptor mm = mos.next();
3513 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol());
3515 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3518 output.println("};\n");
3520 //process flag information (what the flag after failure is) so we know what optionaltaskdescriptors to choose.
3523 for(Iterator flags = fs.getFlags(); flags.hasNext(); ) {
3524 FlagDescriptor flagd = (FlagDescriptor)flags.next();
3525 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
3529 //process tag information
3532 boolean first = true;
3533 Enumeration tag_enum = fs.getTags();
3534 output.println("int tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
3535 while(tag_enum.hasMoreElements()) {
3537 TagDescriptor tagd = (TagDescriptor)tag_enum.nextElement();
3541 output.println(", ");
3542 output.println("/*tagid*/"+state.getTagId(tagd));
3544 output.println("};");
3546 Set<TaskIndex> tiset=sa.getTaskIndex(fs);
3547 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext(); ) {
3548 TaskIndex ti=itti.next();
3552 Set<OptionalTaskDescriptor> otdset=sa.getOptions(fs, ti);
3554 output.print("struct optionaltaskdescriptor * optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array[] = {");
3555 boolean needcomma=false;
3556 for(Iterator<OptionalTaskDescriptor> otdit=ordertd(otdset).iterator(); otdit.hasNext(); ) {
3557 OptionalTaskDescriptor otd=otdit.next();
3561 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3563 output.println("};");
3565 output.print("struct taskfailure taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+" = {");
3566 output.print("&task_"+ti.getTask().getSafeSymbol()+", ");
3567 output.print(ti.getIndex()+", ");
3568 output.print(otdset.size()+", ");
3569 output.print("optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array");
3570 output.println("};");
3573 tiset=sa.getTaskIndex(fs);
3574 boolean needcomma=false;
3576 output.println("struct taskfailure * taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
3577 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext(); ) {
3578 TaskIndex ti=itti.next();
3579 if (ti.isRuntime()) {
3586 output.print("&taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex());
3588 output.println("};\n");
3590 //Store the result in fsanalysiswrapper
3592 output.println("struct fsanalysiswrapper fsanalysiswrapper_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"={");
3593 output.println("/*flag*/"+flagid+",");
3594 output.println("/* number of tags*/"+tagcounter+",");
3595 output.println("tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
3596 output.println("/* numtask failures */"+(tiset.size()-runtimeti)+",");
3597 output.println("taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
3598 output.println("/* number of optionaltaskdescriptors */"+availabletasks.size()+",");
3599 output.println("optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol());
3600 output.println("};\n");
3604 //Build the array of fsanalysiswrappers
3605 output.println("struct fsanalysiswrapper * fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"[] = {");
3606 boolean needcomma=false;
3607 for(int i = 0; i<fscounter; i++) {
3608 if (needcomma) output.print(",");
3609 output.println("&fsanalysiswrapper_FS"+(i+1)+"_"+cdtemp.getSafeSymbol());
3612 output.println("};");
3614 //Build the classanalysiswrapper referring to the previous array
3615 output.println("struct classanalysiswrapper classanalysiswrapper_"+cdtemp.getSafeSymbol()+"={");
3616 output.println("/*type*/"+cdtemp.getId()+",");
3617 output.println("/*numotd*/"+numotd+",");
3618 output.println("otdarray"+cdtemp.getSafeSymbol()+",");
3619 output.println("/* number of fsanalysiswrappers */"+fscounter+",");
3620 output.println("fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"};\n");
3621 processedcd.add(cdtemp);
3624 //build an array containing every classes for which code has been build
3625 output.println("struct classanalysiswrapper * classanalysiswrapperarray[]={");
3626 for(int i=0; i<state.numClasses(); i++) {
3627 ClassDescriptor cn=cdarray[i];
3630 if ((cn != null) && (processedcd.contains(cn)))
3631 output.print("&classanalysiswrapper_"+cn.getSafeSymbol());
3633 output.print("NULL");
3635 output.println("};");
3637 output.println("#define MAXOTD "+maxotd);
3638 headers.println("#endif");
3641 public List<OptionalTaskDescriptor> ordertd(Set<OptionalTaskDescriptor> otdset) {
3642 Relation r=new Relation();
3643 for(Iterator<OptionalTaskDescriptor>otdit=otdset.iterator(); otdit.hasNext(); ) {
3644 OptionalTaskDescriptor otd=otdit.next();
3645 TaskIndex ti=new TaskIndex(otd.td, otd.getIndex());
3649 LinkedList<OptionalTaskDescriptor> l=new LinkedList<OptionalTaskDescriptor>();
3650 for(Iterator it=r.keySet().iterator(); it.hasNext(); ) {
3651 Set s=r.get(it.next());
3652 for(Iterator it2=s.iterator(); it2.hasNext(); ) {
3653 OptionalTaskDescriptor otd=(OptionalTaskDescriptor)it2.next();
3663 // either create and register an extension object with buildcode
3664 // or look at the following option of subclassing BuildCode
3665 private Vector<BuildCodeExtension> extensions;
3667 // note that extensions are invoked in the order they are added
3669 public void registerExtension( BuildCodeExtension bcx ) {
3670 extensions.add( bcx );
3674 // override these methods in a subclass of BuildCode
3675 // to generate code for additional systems
3676 protected void printExtraArrayFields(PrintWriter outclassdefs) {
3678 protected void outputTransCode(PrintWriter output) {
3680 protected void buildCodeSetup() {
3682 protected void generateSizeArrayExtensions(PrintWriter outclassdefs) {
3684 protected void additionalIncludesMethodsHeader(PrintWriter outmethodheader) {
3686 protected void preCodeGenInitialization() {
3688 protected void postCodeGenCleanUp() {
3690 protected void additionalCodeGen(PrintWriter outmethodheader,
3691 PrintWriter outstructs,
3692 PrintWriter outmethod) {
3694 protected void additionalCodeAtTopOfMain(PrintWriter outmethod) {
3696 protected void additionalCodeForCommandLineArgs(PrintWriter outmethod, String argsVar) {
3698 protected void additionalCodeAtBottomOfMain(PrintWriter outmethod) {
3700 protected void additionalIncludesMethodsImplementation(PrintWriter outmethod) {
3702 protected void additionalIncludesStructsHeader(PrintWriter outstructs) {
3704 protected void additionalClassObjectFields(PrintWriter outclassdefs) {
3706 protected void additionalCodeAtTopMethodsImplementation(PrintWriter outmethod) {
3708 protected void additionalCodeAtTopFlatMethodBody(PrintWriter output, FlatMethod fm) {
3710 protected void additionalCodePreNode(FlatMethod fm, FlatNode fn, PrintWriter output) {
3712 protected void additionalCodePostNode(FlatMethod fm, FlatNode fn, PrintWriter output) {
3715 private void printSourceLineNumber(FlatMethod fm, FlatNode fn, PrintWriter output) {
3716 // we do not print out line number if no one explicitly set the number
3717 if(fn.getNumLine()!=-1) {
3719 int lineNum=fn.getNumLine();
3721 // do not generate the line number if it is same as the previous one
3722 boolean needtoprint;
3723 if(fn.prev.size()==0) {
3729 for(int i=0; i<fn.prev.size(); i++) {
3730 int prevLineNum=((FlatNode)fn.prev.get(i)).getNumLine();
3731 if(prevLineNum!=lineNum) {
3737 output.println("// "+fm.getMethod().getClassDesc().getSourceFileName()+":"+fn.getNumLine());