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;
61 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, CallGraph callgraph, JavaBuilder javabuilder) {
62 this(st, temptovar, typeutil, null, callgraph, javabuilder);
65 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, CallGraph callgraph) {
66 this(st, temptovar, typeutil, null, callgraph, null);
69 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, SafetyAnalysis sa, CallGraph callgraph) {
70 this(st, temptovar, typeutil, sa, callgraph, null);
73 public BuildCode(State st, Hashtable temptovar, TypeUtil typeutil, SafetyAnalysis sa, CallGraph callgraph, JavaBuilder javabuilder) {
76 this.javabuilder=javabuilder;
77 this.callgraph=callgraph;
78 this.temptovar=temptovar;
79 paramstable=new Hashtable();
80 tempstable=new Hashtable();
81 fieldorder=new Hashtable();
82 flagorder=new Hashtable();
83 this.typeutil=typeutil;
84 State.logEvent("Virtual");
85 virtualcalls=new Virtual(state, null, callgraph);
86 printedfieldstbl = new Hashtable<String, ClassDescriptor>();
87 extensions = new Vector<BuildCodeExtension>();
90 typeutil.getClass( TypeUtil.ObjectClass ).getSafeSymbol();
93 /** The buildCode method outputs C code for all the methods. The Flat
94 * versions of the methods must already be generated and stored in
95 * the State object. */
97 public void buildCode() {
98 /* Create output streams to write to */
99 PrintWriter outclassdefs=null;
100 PrintWriter outstructs=null;
101 PrintWriter outrepairstructs=null;
102 PrintWriter outmethodheader=null;
103 PrintWriter outmethod=null;
104 PrintWriter outvirtual=null;
105 PrintWriter outtask=null;
106 PrintWriter outtaskdefs=null;
107 PrintWriter outoptionalarrays=null;
108 PrintWriter optionalheaders=null;
109 PrintWriter outglobaldefs=null;
110 PrintWriter outglobaldefsprim=null;
111 State.logEvent("Beginning of buildCode");
114 buildCodeSetup(); //EXTENSION POINT
115 for(BuildCodeExtension bcx: extensions) {
116 bcx.buildCodeSetup();
119 outstructs=new CodePrinter(new FileOutputStream(PREFIX+"structdefs.h"), true);
120 outmethodheader=new CodePrinter(new FileOutputStream(PREFIX+"methodheaders.h"), true);
121 outclassdefs=new CodePrinter(new FileOutputStream(PREFIX+"classdefs.h"), true);
122 outglobaldefs=new CodePrinter(new FileOutputStream(PREFIX+"globaldefs.h"), true);
123 outglobaldefsprim=new CodePrinter(new FileOutputStream(PREFIX+"globaldefsprim.h"), true);
124 outmethod=new CodePrinter(new FileOutputStream(PREFIX+"methods.c"), true);
125 outvirtual=new CodePrinter(new FileOutputStream(PREFIX+"virtualtable.h"), true);
127 outtask=new CodePrinter(new FileOutputStream(PREFIX+"task.h"), true);
128 outtaskdefs=new CodePrinter(new FileOutputStream(PREFIX+"taskdefs.c"), true);
129 if (state.OPTIONAL) {
130 outoptionalarrays=new CodePrinter(new FileOutputStream(PREFIX+"optionalarrays.c"), true);
131 optionalheaders=new CodePrinter(new FileOutputStream(PREFIX+"optionalstruct.h"), true);
134 if (state.structfile!=null) {
135 outrepairstructs=new CodePrinter(new FileOutputStream(PREFIX+state.structfile+".struct"), true);
137 } catch (Exception e) {
142 /* Fix field safe symbols due to shadowing */
143 FieldShadow.handleFieldShadow(state);
145 /* Build the virtual dispatch tables */
146 buildVirtualTables(outvirtual);
148 /* Tag the methods that are invoked by static blocks */
149 tagMethodInvokedByStaticBlock();
151 /* Output includes */
152 outmethodheader.println("#ifndef METHODHEADERS_H");
153 outmethodheader.println("#define METHODHEADERS_H");
154 outmethodheader.println("#include \"structdefs.h\"");
156 if (state.EVENTMONITOR) {
157 outmethodheader.println("#include \"monitor.h\"");
160 additionalIncludesMethodsHeader(outmethodheader);
161 for(BuildCodeExtension bcx: extensions) {
162 bcx.additionalIncludesMethodsHeader(outmethodheader);
165 /* Output Structures */
166 outputStructs(outstructs);
168 initOutputGlobals(outglobaldefs, outglobaldefsprim);
170 outclassdefs.println("#ifndef __CLASSDEF_H_");
171 outclassdefs.println("#define __CLASSDEF_H_");
172 outputClassDeclarations(outclassdefs, outglobaldefs, outglobaldefsprim);
174 // Output function prototypes and structures for parameters
175 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
176 while(it.hasNext()) {
177 ClassDescriptor cn=(ClassDescriptor)it.next();
178 generateCallStructs(cn, outclassdefs, outstructs, outmethodheader, outglobaldefs, outglobaldefsprim);
180 outclassdefs.println("#include \"globaldefs.h\"");
181 outclassdefs.println("#include \"globaldefsprim.h\"");
182 outclassdefs.println("#endif");
183 outclassdefs.close();
185 finalOutputGlobals(outglobaldefs, outglobaldefsprim);
188 /* Map flags to integers */
189 /* The runtime keeps track of flags using these integers */
190 it=state.getClassSymbolTable().getDescriptorsIterator();
191 while(it.hasNext()) {
192 ClassDescriptor cn=(ClassDescriptor)it.next();
196 generateTaskStructs(outstructs, outmethodheader);
198 /* Outputs generic task structures if this is a task
200 outputTaskTypes(outtask);
203 // an opportunity for subclasses to do extra
205 preCodeGenInitialization();
206 for(BuildCodeExtension bcx: extensions) {
207 bcx.preCodeGenInitialization();
210 State.logEvent("Start outputMethods");
211 /* Build the actual methods */
212 outputMethods(outmethod);
213 State.logEvent("End outputMethods");
215 // opportunity for subclasses to gen extra code
216 additionalCodeGen(outmethodheader, outstructs, outmethod);
217 for(BuildCodeExtension bcx: extensions) {
218 bcx.additionalCodeGen(outmethodheader, outstructs, outmethod);
223 /* Output code for tasks */
224 outputTaskCode(outtaskdefs, outmethod);
227 /* Record maximum number of task parameters */
228 outstructs.println("#define MAXTASKPARAMS "+maxtaskparams);
229 } else if (state.main!=null) {
230 /* Generate main method */
231 outputMainMethod(outmethod);
234 /* Generate information for task with optional parameters */
235 if (state.TASK&&state.OPTIONAL) {
236 generateOptionalArrays(outoptionalarrays, optionalheaders, state.getAnalysisResult(), state.getOptionalTaskDescriptors());
237 outoptionalarrays.close();
238 optionalheaders.close();
241 /* Output structure definitions for repair tool */
242 if (state.structfile!=null) {
243 buildRepairStructs(outrepairstructs);
244 outrepairstructs.close();
248 outmethodheader.println("#endif");
249 outmethodheader.close();
251 outstructs.println("#endif");
252 outstructs.println();
255 postCodeGenCleanUp();
256 for(BuildCodeExtension bcx: extensions) {
257 bcx.postCodeGenCleanUp();
260 State.logEvent("End of buildCode");
263 protected void initOutputGlobals(PrintWriter outglobaldefs, PrintWriter outglobaldefsprim) {
264 // Output the C class declarations
265 // These could mutually reference each other
266 outglobaldefs.println("#ifndef __GLOBALDEF_H_");
267 outglobaldefs.println("#define __GLOBALDEF_H_");
268 outglobaldefs.println("");
269 outglobaldefs.println("struct global_defs_t {");
270 outglobaldefs.println(" int size;");
271 outglobaldefs.println(" void * next;");
272 outglobaldefs.println(" struct ArrayObject * classobjs;");
273 outglobaldefsprim.println("#ifndef __GLOBALDEFPRIM_H_");
274 outglobaldefsprim.println("#define __GLOBALDEFPRIM_H_");
275 outglobaldefsprim.println("");
276 outglobaldefsprim.println("struct global_defsprim_t {");
279 protected void finalOutputGlobals(PrintWriter outglobaldefs, PrintWriter outglobaldefsprim) {
280 outglobaldefs.println("};");
281 outglobaldefs.println("");
282 outglobaldefs.println("extern struct global_defs_t * global_defs_p;");
283 outglobaldefs.println("#endif");
284 outglobaldefs.flush();
285 outglobaldefs.close();
287 outglobaldefsprim.println("};");
288 outglobaldefsprim.println("");
289 outglobaldefsprim.println("extern struct global_defsprim_t * global_defsprim_p;");
290 outglobaldefsprim.println("#endif");
291 outglobaldefsprim.flush();
292 outglobaldefsprim.close();
295 /* This method goes though the call graph and tag those methods that are
296 * invoked inside static blocks
298 protected void tagMethodInvokedByStaticBlock() {
299 Iterator it_sclasses = this.state.getSClassSymbolTable().getDescriptorsIterator();
300 MethodDescriptor current_md=null;
301 HashSet tovisit=new HashSet();
302 HashSet visited=new HashSet();
304 while(it_sclasses.hasNext()) {
305 ClassDescriptor cd = (ClassDescriptor)it_sclasses.next();
306 MethodDescriptor md = (MethodDescriptor)cd.getMethodTable().get("staticblocks");
312 while(!tovisit.isEmpty()) {
313 current_md=(MethodDescriptor)tovisit.iterator().next();
314 tovisit.remove(current_md);
315 visited.add(current_md);
316 Iterator it_callee = this.callgraph.getCalleeSet(current_md).iterator();
317 while(it_callee.hasNext()) {
318 Descriptor d = (Descriptor)it_callee.next();
319 if(d instanceof MethodDescriptor) {
320 if(!visited.contains(d)) {
321 ((MethodDescriptor)d).setIsInvokedByStatic(true);
329 /* This code generates code for each static block and static field
331 protected void outputStaticBlocks(PrintWriter outmethod) {
332 // execute all the static blocks and all the static field initializations
333 // execute all the static blocks and all the static field initializations
334 SymbolTable sctbl = this.state.getSClassSymbolTable();
335 Iterator it_sclasses = sctbl.getDescriptorsIterator();
336 if(it_sclasses.hasNext()) {
337 while(it_sclasses.hasNext()) {
338 ClassDescriptor t_cd = (ClassDescriptor)it_sclasses.next();
339 MethodDescriptor t_md = (MethodDescriptor)t_cd.getMethodTable().get("staticblocks");
341 if(t_md != null&&callgraph.isInit(t_cd)) {
342 outmethod.println(" {");
343 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
344 outmethod.print(" struct "+t_cd.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"_params __parameterlist__={");
345 outmethod.println("0, NULL};");
346 outmethod.println(" "+t_cd.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"(& __parameterlist__);");
348 outmethod.println(" "+t_cd.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
350 outmethod.println(" }");
356 /* This code generates code to create a Class object for each class for
359 protected void outputClassObjects(PrintWriter outmethod) {
360 // create a global classobj array
361 outmethod.println(" {");
362 outmethod.println(" int i = 0;");
363 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
364 outmethod.println(" struct garbagelist dummy={0,NULL};");
365 outmethod.println(" global_defs_p->classobjs = allocate_newarray(&dummy, OBJECTARRAYTYPE, "
366 + (state.numClasses()+state.numArrays()+state.numInterfaces()) + ");");
368 outmethod.println(" global_defs_p->classobjs = allocate_newarray(OBJECTARRAYTYPE, "
369 + (state.numClasses()+state.numArrays()+state.numInterfaces()) + ");");
371 outmethod.println(" for(i = 0; i < " + (state.numClasses()+state.numArrays()+state.numInterfaces()) + "; i++) {");
372 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
373 outmethod.println(" ((void **)(((char *) &(global_defs_p->classobjs->___length___))+sizeof(int)))[i] = allocate_new(NULL, " +typeutil.getClass(TypeUtil.ObjectClass).getId() + ");");
375 outmethod.println(" ((void **)(((char *) &(global_defs_p->classobjs->___length___))+sizeof(int)))[i] = allocate_new(" +typeutil.getClass(TypeUtil.ObjectClass).getId() + ");");
377 outmethod.println(" }");
378 outmethod.println(" }");
381 /* This code just generates the main C method for java programs.
382 * The main C method packs up the arguments into a string array
383 * and passes it to the java main method. */
385 protected void outputMainMethod(PrintWriter outmethod) {
386 outmethod.println("int main(int argc, const char *argv[]) {");
387 outmethod.println(" int i;");
389 outmethod.println("initializethreads();");
391 outmethod.println(" global_defs_p=calloc(1, sizeof(struct global_defs_t));");
392 outmethod.println(" global_defsprim_p=calloc(1, sizeof(struct global_defsprim_t));");
393 if (GENERATEPRECISEGC) {
394 outmethod.println(" global_defs_p->size="+globaldefscount+";");
395 outmethod.println(" for(i=0;i<"+globaldefscount+";i++) {");
396 outmethod.println(" ((struct garbagelist *)global_defs_p)->array[i]=NULL;");
397 outmethod.println(" }");
399 outputStaticBlocks(outmethod);
400 outputClassObjects(outmethod);
403 additionalCodeAtTopOfMain(outmethod);
404 for(BuildCodeExtension bcx: extensions) {
405 bcx.additionalCodeAtTopOfMain(outmethod);
409 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
410 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(NULL, STRINGARRAYTYPE, argc-1);");
412 outmethod.println(" struct ArrayObject * stringarray=allocate_newarray(STRINGARRAYTYPE, argc-1);");
414 outmethod.println(" for(i=1;i<argc;i++) {");
415 outmethod.println(" int length=strlen(argv[i]);");
417 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
418 outmethod.println(" struct ___String___ *newstring=NewString(NULL, argv[i], length);");
420 outmethod.println(" struct ___String___ *newstring=NewString(argv[i], length);");
422 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-1]=newstring;");
423 outmethod.println(" }");
426 additionalCodeForCommandLineArgs(outmethod, "stringarray");
427 for(BuildCodeExtension bcx: extensions) {
428 bcx.additionalCodeForCommandLineArgs(outmethod, "stringarray");
432 MethodDescriptor md=typeutil.getMain();
433 ClassDescriptor cd=typeutil.getMainClass();
435 outmethod.println(" {");
436 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
437 outmethod.print(" struct "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
438 outmethod.println("1, NULL,"+"stringarray};");
439 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
441 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
443 outmethod.println(" }");
446 outmethod.println("pthread_mutex_lock(&gclistlock);");
447 outmethod.println("threadcount--;");
448 outmethod.println("pthread_cond_signal(&gccond);");
449 outmethod.println("pthread_mutex_unlock(&gclistlock);");
452 if (state.EVENTMONITOR) {
453 outmethod.println("dumpdata();");
457 outmethod.println("pthread_exit(NULL);");
460 additionalCodeAtBottomOfMain(outmethod);
461 for(BuildCodeExtension bcx: extensions) {
462 bcx.additionalCodeAtBottomOfMain(outmethod);
466 outmethod.println("}");
469 /* This method outputs code for each task. */
471 protected void outputTaskCode(PrintWriter outtaskdefs, PrintWriter outmethod) {
472 /* Compile task based program */
473 outtaskdefs.println("#include \"task.h\"");
474 outtaskdefs.println("#include \"methodheaders.h\"");
475 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
476 while(taskit.hasNext()) {
477 TaskDescriptor td=(TaskDescriptor)taskit.next();
478 FlatMethod fm=state.getMethodFlat(td);
480 generateFlatMethod(fm, outmethod);
481 generateTaskDescriptor(outtaskdefs, fm, td);
484 //Output task descriptors
485 taskit=state.getTaskSymbolTable().getDescriptorsIterator();
486 outtaskdefs.println("struct taskdescriptor * taskarray[]= {");
488 while(taskit.hasNext()) {
489 TaskDescriptor td=(TaskDescriptor)taskit.next();
493 outtaskdefs.println(",");
494 outtaskdefs.print("&task_"+td.getSafeSymbol());
496 outtaskdefs.println("};");
498 outtaskdefs.println("int numtasks="+state.getTaskSymbolTable().getValueSet().size()+";");
502 /* This method outputs most of the methods.c file. This includes
503 * some standard includes and then an array with the sizes of
504 * objets and array that stores supertype and then the code for
505 * the Java methods.. */
506 protected void outputMethods(PrintWriter outmethod) {
507 outmethod.println("#include \"methodheaders.h\"");
508 outmethod.println("#include \"virtualtable.h\"");
509 outmethod.println("#include \"runtime.h\"");
511 outmethod.println("#include \"jni-private.h\"");
514 // always include: compiler directives will leave out
515 // instrumentation when option is not set
516 if(!state.MULTICORE) {
517 outmethod.println("#include \"coreprof/coreprof.h\"");
520 if (state.FASTCHECK) {
521 outmethod.println("#include \"localobjects.h\"");
523 if(state.MULTICORE) {
525 outmethod.println("#include \"task.h\"");
527 outmethod.println("#include \"multicoreruntime.h\"");
528 outmethod.println("#include \"runtime_arch.h\"");
530 if (state.THREAD||state.DSM||state.SINGLETM) {
531 outmethod.println("#include <thread.h>");
534 outmethod.println("#include \"thread.h\"");
536 if (state.main!=null) {
537 outmethod.println("#include <string.h>");
539 if (state.CONSCHECK) {
540 outmethod.println("#include \"checkers.h\"");
543 additionalIncludesMethodsImplementation(outmethod);
544 for(BuildCodeExtension bcx: extensions) {
545 bcx.additionalIncludesMethodsImplementation(outmethod);
548 outmethod.println("struct global_defs_t * global_defs_p;");
549 outmethod.println("struct global_defsprim_t * global_defsprim_p;");
550 //Store the sizes of classes & array elements
551 generateSizeArray(outmethod);
553 //Store table of supertypes
554 generateSuperTypeTable(outmethod);
556 //Store the layout of classes
557 generateLayoutStructs(outmethod);
560 additionalCodeAtTopMethodsImplementation(outmethod);
561 for(BuildCodeExtension bcx: extensions) {
562 bcx.additionalCodeAtTopMethodsImplementation(outmethod);
566 generateMethods(outmethod);
569 protected void generateMethods(PrintWriter outmethod) {
570 /* Generate code for methods */
571 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
572 while(classit.hasNext()) {
573 ClassDescriptor cn=(ClassDescriptor)classit.next();
574 Iterator methodit=cn.getMethods();
575 while(methodit.hasNext()) {
576 /* Classify parameters */
577 MethodDescriptor md=(MethodDescriptor)methodit.next();
578 if (!callgraph.isCallable(md)&&(!md.isStaticBlock()||!callgraph.isInit(cn))) {
582 FlatMethod fm=state.getMethodFlat(md);
583 if (!md.getModifiers().isNative()) {
584 generateFlatMethod(fm, outmethod);
585 } else if (state.JNI) {
586 generateNativeFlatMethod(fm, outmethod);
592 protected void outputStructs(PrintWriter outstructs) {
593 outstructs.println("#ifndef __STRUCTDEFS_H__");
594 outstructs.println("#define __STRUCTDEFS_H__");
595 outstructs.println("#include \"classdefs.h\"");
596 outstructs.println("#ifndef INTPTR");
597 outstructs.println("#ifdef BIT64");
598 outstructs.println("#define INTPTR long");
599 outstructs.println("#else");
600 outstructs.println("#define INTPTR int");
601 outstructs.println("#endif");
602 outstructs.println("#endif");
605 additionalIncludesStructsHeader(outstructs);
606 for(BuildCodeExtension bcx: extensions) {
607 bcx.additionalIncludesStructsHeader(outstructs);
611 /* Output #defines that the runtime uses to determine type
612 * numbers for various objects it needs */
613 outstructs.println("#define MAXCOUNT "+maxcount);
615 outstructs.println("#define STRINGARRAYTYPE "+
616 (state.getArrayNumber(
617 (new TypeDescriptor(typeutil.getClass(TypeUtil.StringClass))).makeArray(state))+state.numClasses()));
619 outstructs.println("#define OBJECTARRAYTYPE "+
620 (state.getArrayNumber(
621 (new TypeDescriptor(typeutil.getClass(TypeUtil.ObjectClass))).makeArray(state))+state.numClasses()));
624 outstructs.println("#define STRINGTYPE "+typeutil.getClass(TypeUtil.StringClass).getId());
625 outstructs.println("#define OBJECTTYPE "+typeutil.getClass(TypeUtil.ObjectClass).getId());
626 outstructs.println("#define CHARARRAYTYPE "+
627 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.CHAR)).makeArray(state))+state.numClasses()));
629 outstructs.println("#define BYTEARRAYTYPE "+
630 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state))+state.numClasses()));
632 outstructs.println("#define BYTEARRAYARRAYTYPE "+
633 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state).makeArray(state))+state.numClasses()));
635 outstructs.println("#define NUMCLASSES "+state.numClasses());
636 int totalClassSize = state.numClasses() + state.numArrays() + state.numInterfaces();
637 outstructs.println("#define TOTALNUMCLASSANDARRAY "+ totalClassSize);
639 outstructs.println("#define STARTUPTYPE "+typeutil.getClass(TypeUtil.StartupClass).getId());
640 outstructs.println("#define TAGTYPE "+typeutil.getClass(TypeUtil.TagClass).getId());
641 outstructs.println("#define TAGARRAYTYPE "+
642 (state.getArrayNumber(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass)).makeArray(state))+state.numClasses()));
646 protected void outputClassDeclarations(PrintWriter outclassdefs, PrintWriter outglobaldefs, PrintWriter outglobaldefsprim) {
647 if (state.THREAD||state.DSM||state.SINGLETM)
648 outclassdefs.println("#include <pthread.h>");
649 outclassdefs.println("#ifndef INTPTR");
650 outclassdefs.println("#ifdef BIT64");
651 outclassdefs.println("#define INTPTR long");
652 outclassdefs.println("#else");
653 outclassdefs.println("#define INTPTR int");
654 outclassdefs.println("#endif");
655 outclassdefs.println("#endif");
657 outclassdefs.println("#include \"optionalstruct.h\"");
658 outclassdefs.println("struct "+arraytype+";");
659 /* Start by declaring all structs */
660 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
661 while(it.hasNext()) {
662 ClassDescriptor cn=(ClassDescriptor)it.next();
663 outclassdefs.println("struct "+cn.getSafeSymbol()+";");
665 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
666 // this class has static fields/blocks, need to add a global flag to
667 // indicate if its static fields have been initialized and/or if its
668 // static blocks have been executed
669 outglobaldefsprim.println(" int "+cn.getSafeSymbol()+"static_block_exe_flag;");
672 outclassdefs.println("");
673 //Print out definition for array type
674 outclassdefs.println("struct "+arraytype+" {");
675 outclassdefs.println(" int type;");
676 outclassdefs.println(" int hashcode;");
679 additionalClassObjectFields(outclassdefs);
680 for(BuildCodeExtension bcx: extensions) {
681 bcx.additionalClassObjectFields(outclassdefs);
685 if (state.EVENTMONITOR) {
686 outclassdefs.println(" int objuid;");
689 outclassdefs.println(" volatile int tid;");
690 outclassdefs.println(" volatile int notifycount;");
693 outclassdefs.println(" int mutex;");
694 outclassdefs.println(" volatile int notifycount;");
695 outclassdefs.println(" volatile int objlock;");
696 if(state.MULTICOREGC) {
697 outclassdefs.println(" int marked;");
701 outclassdefs.println(" int flag;");
702 outclassdefs.println(" int ___cachedCode___;");
703 if(!state.MULTICORE) {
704 outclassdefs.println(" void * flagptr;");
706 outclassdefs.println(" int version;");
707 outclassdefs.println(" int * lock;"); // lock entry for this obj
708 outclassdefs.println(" int mutex;");
709 outclassdefs.println(" volatile int lockcount;");
710 if(state.MULTICOREGC) {
711 outclassdefs.println(" int marked;");
715 outclassdefs.println(" int numfses;");
716 outclassdefs.println(" int * fses;");
720 printClassStruct(typeutil.getClass(TypeUtil.ObjectClass), outclassdefs, outglobaldefs, outglobaldefsprim);
721 printedfieldstbl.clear();
723 printExtraArrayFields(outclassdefs);
724 for(BuildCodeExtension bcx: extensions) {
725 bcx.printExtraArrayFields(outclassdefs);
728 if (state.ARRAYPAD) {
729 outclassdefs.println(" int paddingforarray;");
732 outclassdefs.println(" int ___length___;");
733 outclassdefs.println("};\n");
735 outclassdefs.println("");
736 outclassdefs.println("extern int classsize[];");
737 outclassdefs.println("extern int hasflags[];");
738 outclassdefs.println("extern unsigned INTPTR * pointerarray[];");
739 outclassdefs.println("extern int* supertypes[];");
740 outclassdefs.println("");
743 /** Prints out definitions for generic task structures */
745 protected void outputTaskTypes(PrintWriter outtask) {
746 outtask.println("#ifndef _TASK_H");
747 outtask.println("#define _TASK_H");
748 outtask.println("struct parameterdescriptor {");
749 outtask.println("int type;");
750 outtask.println("int numberterms;");
751 outtask.println("int *intarray;");
752 outtask.println("void * queue;");
753 outtask.println("int numbertags;");
754 outtask.println("int *tagarray;");
755 outtask.println("};");
757 outtask.println("struct taskdescriptor {");
758 outtask.println("void * taskptr;");
759 outtask.println("int numParameters;");
760 outtask.println(" int numTotal;");
761 outtask.println("struct parameterdescriptor **descriptorarray;");
762 outtask.println("char * name;");
763 outtask.println("};");
764 outtask.println("extern struct taskdescriptor * taskarray[];");
765 outtask.println("extern numtasks;");
766 outtask.println("#endif");
770 protected void buildRepairStructs(PrintWriter outrepairstructs) {
771 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
772 while(classit.hasNext()) {
773 ClassDescriptor cn=(ClassDescriptor)classit.next();
774 outrepairstructs.println("structure "+cn.getSymbol()+" {");
775 outrepairstructs.println(" int __type__;");
777 outrepairstructs.println(" int __flag__;");
778 if(!state.MULTICORE) {
779 outrepairstructs.println(" int __flagptr__;");
782 printRepairStruct(cn, outrepairstructs);
783 outrepairstructs.println("}\n");
786 for(int i=0; i<state.numArrays(); i++) {
787 TypeDescriptor tdarray=arraytable[i];
788 TypeDescriptor tdelement=tdarray.dereference();
789 outrepairstructs.println("structure "+arraytype+"_"+state.getArrayNumber(tdarray)+" {");
790 outrepairstructs.println(" int __type__;");
791 printRepairStruct(typeutil.getClass(TypeUtil.ObjectClass), outrepairstructs);
792 outrepairstructs.println(" int length;");
793 outrepairstructs.println("}\n");
797 protected void printRepairStruct(ClassDescriptor cn, PrintWriter output) {
798 ClassDescriptor sp=cn.getSuperDesc();
800 printRepairStruct(sp, output);
802 Vector fields=(Vector)fieldorder.get(cn);
804 for(int i=0; i<fields.size(); i++) {
805 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
806 if (fd.getType().isArray()) {
807 output.println(" "+arraytype+"_"+ state.getArrayNumber(fd.getType()) +" * "+fd.getSymbol()+";");
808 } else if (fd.getType().isClass())
809 output.println(" "+fd.getType().getRepairSymbol()+" * "+fd.getSymbol()+";");
810 else if (fd.getType().isFloat())
811 output.println(" int "+fd.getSymbol()+"; /* really float */");
813 output.println(" "+fd.getType().getRepairSymbol()+" "+fd.getSymbol()+";");
817 /** This method outputs TaskDescriptor information */
818 protected void generateTaskDescriptor(PrintWriter output, FlatMethod fm, TaskDescriptor task) {
819 for (int i=0; i<task.numParameters(); i++) {
820 VarDescriptor param_var=task.getParameter(i);
821 TypeDescriptor param_type=task.getParamType(i);
822 FlagExpressionNode param_flag=task.getFlag(param_var);
823 TagExpressionList param_tag=task.getTag(param_var);
826 if (param_flag==null) {
827 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
828 output.println("0x0, 0x0 };");
831 DNFFlag dflag=param_flag.getDNF();
832 dnfterms=dflag.size();
834 Hashtable flags=(Hashtable)flagorder.get(param_type.getClassDesc());
835 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
836 for(int j=0; j<dflag.size(); j++) {
839 Vector term=dflag.get(j);
842 for(int k=0; k<term.size(); k++) {
843 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
844 FlagDescriptor fd=dfa.getFlag();
845 boolean negated=dfa.getNegated();
846 int flagid=1<<((Integer)flags.get(fd)).intValue();
851 output.print("0x"+Integer.toHexString(andmask)+", 0x"+Integer.toHexString(checkmask));
853 output.println("};");
856 output.println("int parametertag_"+i+"_"+task.getSafeSymbol()+"[]={");
858 for(int j=0; j<param_tag.numTags(); j++) {
861 /* for each tag we need */
862 /* which slot it is */
863 /* what type it is */
864 TagVarDescriptor tvd=(TagVarDescriptor)task.getParameterTable().get(param_tag.getName(j));
865 TempDescriptor tmp=param_tag.getTemp(j);
866 int slot=fm.getTagInt(tmp);
867 output.println(slot+", "+state.getTagId(tvd.getTag()));
869 output.println("};");
871 output.println("struct parameterdescriptor parameter_"+i+"_"+task.getSafeSymbol()+"={");
872 output.println("/* type */"+param_type.getClassDesc().getId()+",");
873 output.println("/* number of DNF terms */"+dnfterms+",");
874 output.println("parameterdnf_"+i+"_"+task.getSafeSymbol()+",");
875 output.println("0,");
877 output.println("/* number of tags */"+param_tag.numTags()+",");
879 output.println("/* number of tags */ 0,");
880 output.println("parametertag_"+i+"_"+task.getSafeSymbol());
881 output.println("};");
885 output.println("struct parameterdescriptor * parameterdescriptors_"+task.getSafeSymbol()+"[] = {");
886 for (int i=0; i<task.numParameters(); i++) {
889 output.print("¶meter_"+i+"_"+task.getSafeSymbol());
891 output.println("};");
893 output.println("struct taskdescriptor task_"+task.getSafeSymbol()+"={");
894 output.println("&"+task.getSafeSymbol()+",");
895 output.println("/* number of parameters */" +task.numParameters() + ",");
896 int numtotal=task.numParameters()+fm.numTags();
897 output.println("/* number total parameters */" +numtotal + ",");
898 output.println("parameterdescriptors_"+task.getSafeSymbol()+",");
899 output.println("\""+task.getSymbol()+"\"");
900 output.println("};");
904 /** The buildVirtualTables method outputs the virtual dispatch
905 * tables for methods. */
907 protected void buildVirtualTables(PrintWriter outvirtual) {
908 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
909 while(classit.hasNext()) {
910 ClassDescriptor cd=(ClassDescriptor)classit.next();
911 if (virtualcalls.getMethodCount(cd)>maxcount)
912 maxcount=virtualcalls.getMethodCount(cd);
914 MethodDescriptor[][] virtualtable=null;
915 virtualtable=new MethodDescriptor[state.numClasses()+state.numArrays()][maxcount];
917 /* Fill in virtual table */
918 classit=state.getClassSymbolTable().getDescriptorsIterator();
919 while(classit.hasNext()) {
920 ClassDescriptor cd=(ClassDescriptor)classit.next();
921 if(cd.isInterface()) {
924 fillinRow(cd, virtualtable, cd.getId());
927 ClassDescriptor objectcd=typeutil.getClass(TypeUtil.ObjectClass);
928 Iterator arrayit=state.getArrayIterator();
929 while(arrayit.hasNext()) {
930 TypeDescriptor td=(TypeDescriptor)arrayit.next();
931 int id=state.getArrayNumber(td);
932 fillinRow(objectcd, virtualtable, id+state.numClasses());
935 outvirtual.print("void * virtualtable[]={");
936 boolean needcomma=false;
937 for(int i=0; i<state.numClasses()+state.numArrays(); i++) {
938 for(int j=0; j<maxcount; j++) {
940 outvirtual.print(", ");
941 if (virtualtable[i][j]!=null) {
942 MethodDescriptor md=virtualtable[i][j];
943 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
945 outvirtual.print("0");
949 outvirtual.println("");
951 outvirtual.println("};");
955 protected void fillinRow(ClassDescriptor cd, MethodDescriptor[][] virtualtable, int rownum) {
956 /* Get inherited methods */
957 Iterator it_sifs = cd.getSuperInterfaces();
958 while(it_sifs.hasNext()) {
959 ClassDescriptor superif = (ClassDescriptor)it_sifs.next();
960 fillinRow(superif, virtualtable, rownum);
962 if (cd.getSuperDesc()!=null)
963 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
964 /* Override them with our methods */
965 for(Iterator it=cd.getMethods(); it.hasNext(); ) {
966 MethodDescriptor md=(MethodDescriptor)it.next();
967 if (md.isStatic()||md.getReturnType()==null)
970 if (!callgraph.isCallable(md)) {
974 int methodnum = virtualcalls.getMethodNumber(md);
975 virtualtable[rownum][methodnum]=md;
979 /** Generate array that contains the sizes of class objects. The
980 * object allocation functions in the runtime use this
983 protected void generateSizeArray(PrintWriter outclassdefs) {
984 outclassdefs.print("extern struct prefetchCountStats * evalPrefetch;\n");
986 generateSizeArrayExtensions(outclassdefs);
987 for(BuildCodeExtension bcx: extensions) {
988 bcx.generateSizeArrayExtensions(outclassdefs);
991 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
992 cdarray=new ClassDescriptor[state.numClasses()];
993 ifarray = new ClassDescriptor[state.numInterfaces()];
996 while(it.hasNext()) {
997 ClassDescriptor cd=(ClassDescriptor)it.next();
998 if(cd.isInterface()) {
999 ifarray[cd.getId()] = cd;
1001 cdarray[cd.getId()] = cd;
1005 arraytable=new TypeDescriptor[state.numArrays()];
1007 Iterator arrayit=state.getArrayIterator();
1008 while(arrayit.hasNext()) {
1009 TypeDescriptor td=(TypeDescriptor)arrayit.next();
1010 int id=state.getArrayNumber(td);
1014 /* Print out types */
1015 outclassdefs.println("/* ");
1016 for(int i=0; i<state.numClasses(); i++) {
1017 ClassDescriptor cd=cdarray[i];
1019 outclassdefs.println("NULL " + i);
1021 outclassdefs.println(cd +" "+i);
1025 for(int i=0; i<state.numArrays(); i++) {
1026 TypeDescriptor arraytd=arraytable[i];
1027 outclassdefs.println(arraytd.toPrettyString() +" "+(i+state.numClasses()));
1030 for(int i=0; i<state.numInterfaces(); i++) {
1031 ClassDescriptor ifcd = ifarray[i];
1032 outclassdefs.println(ifcd +" "+(i+state.numClasses()+state.numArrays()));
1035 outclassdefs.println("*/");
1038 outclassdefs.print("int classsize[]={");
1040 boolean needcomma=false;
1041 for(int i=0; i<state.numClasses(); i++) {
1043 outclassdefs.print(", ");
1045 outclassdefs.print("sizeof(struct "+cdarray[i].getSafeSymbol()+")");
1047 outclassdefs.print("0");
1053 for(int i=0; i<state.numArrays(); i++) {
1055 outclassdefs.print(", ");
1056 TypeDescriptor tdelement=arraytable[i].dereference();
1057 if (tdelement.isArray()||tdelement.isClass()||tdelement.isNull())
1058 outclassdefs.print("sizeof(void *)");
1060 outclassdefs.print("sizeof("+tdelement.getSafeSymbol()+")");
1064 for(int i=0; i<state.numInterfaces(); i++) {
1066 outclassdefs.print(", ");
1067 outclassdefs.print("sizeof(struct "+ifarray[i].getSafeSymbol()+")");
1071 outclassdefs.println("};");
1073 ClassDescriptor objectclass=typeutil.getClass(TypeUtil.ObjectClass);
1075 outclassdefs.print("int typearray[]={");
1076 for(int i=0; i<state.numClasses(); i++) {
1077 ClassDescriptor cd=cdarray[i];
1078 ClassDescriptor supercd=i>0?cd.getSuperDesc():null;
1079 if(supercd != null && supercd.isInterface()) {
1080 throw new Error("Super class can not be interfaces");
1083 outclassdefs.print(", ");
1085 outclassdefs.print("-1");
1087 outclassdefs.print(supercd.getId());
1091 for(int i=0; i<state.numArrays(); i++) {
1092 TypeDescriptor arraytd=arraytable[i];
1093 ClassDescriptor arraycd=arraytd.getClassDesc();
1094 if (arraycd==null) {
1096 outclassdefs.print(", ");
1097 outclassdefs.print(objectclass.getId());
1101 ClassDescriptor cd=arraycd.getSuperDesc();
1104 TypeDescriptor supertd=new TypeDescriptor(cd);
1105 supertd.setArrayCount(arraytd.getArrayCount());
1106 type=state.getArrayNumber(supertd);
1108 type+=state.numClasses();
1111 cd=cd.getSuperDesc();
1114 outclassdefs.print(", ");
1115 outclassdefs.print(type);
1119 for(int i=0; i<state.numInterfaces(); i++) {
1120 ClassDescriptor cd=ifarray[i];
1121 ClassDescriptor supercd=cd.getSuperDesc();
1122 if(supercd != null && supercd.isInterface()) {
1123 throw new Error("Super class can not be interfaces");
1126 outclassdefs.print(", ");
1128 outclassdefs.print("-1");
1130 outclassdefs.print(supercd.getId());
1134 outclassdefs.println("};");
1139 outclassdefs.print("int typearray2[]={");
1140 for(int i=0; i<state.numArrays(); i++) {
1141 TypeDescriptor arraytd=arraytable[i];
1142 ClassDescriptor arraycd=arraytd.getClassDesc();
1143 if (arraycd==null) {
1145 outclassdefs.print(", ");
1146 outclassdefs.print("-1");
1150 ClassDescriptor cd=arraycd.getSuperDesc();
1151 int level=arraytd.getArrayCount()-1;
1153 for(; level>0; level--) {
1154 TypeDescriptor supertd=new TypeDescriptor(objectclass);
1155 supertd.setArrayCount(level);
1156 type=state.getArrayNumber(supertd);
1158 type+=state.numClasses();
1163 outclassdefs.print(", ");
1164 outclassdefs.print(type);
1168 outclassdefs.println("};");
1171 /** Constructs params and temp objects for each method or task.
1172 * These objects tell the compiler which temps need to be
1175 protected void generateTempStructs(FlatMethod fm) {
1176 MethodDescriptor md=fm.getMethod();
1177 TaskDescriptor task=fm.getTask();
1178 ParamsObject objectparams=md!=null?new ParamsObject(md,tag++):new ParamsObject(task, tag++);
1180 paramstable.put(md, objectparams);
1182 paramstable.put(task, objectparams);
1184 for(int i=0; i<fm.numParameters(); i++) {
1185 TempDescriptor temp=fm.getParameter(i);
1186 TypeDescriptor type=temp.getType();
1187 if (type.isPtr()&&((GENERATEPRECISEGC) || (this.state.MULTICOREGC)))
1188 objectparams.addPtr(temp);
1190 objectparams.addPrim(temp);
1193 for(int i=0; i<fm.numTags(); i++) {
1194 TempDescriptor temp=fm.getTag(i);
1195 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC))
1196 objectparams.addPtr(temp);
1198 objectparams.addPrim(temp);
1201 TempObject objecttemps=md!=null?new TempObject(objectparams,md,tag++):new TempObject(objectparams, task, tag++);
1203 tempstable.put(md, objecttemps);
1205 tempstable.put(task, objecttemps);
1207 for(Iterator nodeit=fm.getNodeSet().iterator(); nodeit.hasNext(); ) {
1208 FlatNode fn=(FlatNode)nodeit.next();
1209 TempDescriptor[] writes=fn.writesTemps();
1210 for(int i=0; i<writes.length; i++) {
1211 TempDescriptor temp=writes[i];
1212 TypeDescriptor type=temp.getType();
1213 if (type.isPtr()&&((GENERATEPRECISEGC) || (this.state.MULTICOREGC)))
1214 objecttemps.addPtr(temp);
1216 objecttemps.addPrim(temp);
1221 /** This method outputs the following information about classes
1223 * (1) For classes, what are the locations of pointers.
1224 * (2) For arrays, does the array contain pointers or primitives.
1225 * (3) For classes, does the class contain flags.
1228 protected void generateLayoutStructs(PrintWriter output) {
1229 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
1230 while(it.hasNext()) {
1231 ClassDescriptor cn=(ClassDescriptor)it.next();
1232 output.print("unsigned INTPTR "+cn.getSafeSymbol()+"_pointers[]={");
1233 if (javabuilder!=null&&!javabuilder.hasLayout(cn)) {
1234 output.println("0};");
1239 for(Iterator allit=cn.getFieldTable().getAllDescriptorsIterator(); allit.hasNext(); ) {
1240 FieldDescriptor fd=(FieldDescriptor)allit.next();
1244 TypeDescriptor type=fd.getType();
1249 // the lock field is also a pointer
1252 output.print(count);
1253 for(Iterator allit=cn.getFieldTable().getAllDescriptorsIterator(); allit.hasNext(); ) {
1254 FieldDescriptor fd=(FieldDescriptor)allit.next();
1258 TypeDescriptor type=fd.getType();
1261 output.print("((unsigned INTPTR)&(((struct "+cn.getSafeSymbol() +" *)0)->"+
1262 fd.getSafeSymbol()+"))");
1266 // output the lock field
1268 output.print("((unsigned INTPTR)&(((struct "+cn.getSafeSymbol() +" *)0)->lock))");
1270 output.println("};");
1273 output.println("unsigned INTPTR * pointerarray[]={");
1274 boolean needcomma=false;
1275 for(int i=0; i<state.numClasses(); i++) {
1276 ClassDescriptor cn=cdarray[i];
1278 output.println(",");
1281 output.print(cn.getSafeSymbol()+"_pointers");
1283 output.print("NULL");
1287 for(int i=0; i<state.numArrays(); i++) {
1289 output.println(", ");
1290 TypeDescriptor tdelement=arraytable[i].dereference();
1291 if (tdelement.isArray()||tdelement.isClass())
1292 output.print("((unsigned INTPTR *)1)");
1298 output.println("};");
1300 output.println("int hasflags[]={");
1301 for(int i=0; i<state.numClasses(); i++) {
1302 ClassDescriptor cn=cdarray[i];
1304 output.println(", ");
1306 if ((cn != null) && (cn.hasFlags()))
1311 output.println("};");
1314 private int checkarraysupertype(ClassDescriptor arraycd, TypeDescriptor arraytd) {
1317 TypeDescriptor supertd=new TypeDescriptor(arraycd);
1318 supertd.setArrayCount(arraytd.getArrayCount());
1319 type=state.getArrayNumber(supertd);
1324 ClassDescriptor cd = arraycd.getSuperDesc();
1326 type = checkarraysupertype(cd, arraytd);
1332 Iterator it_sifs = arraycd.getSuperInterfaces();
1333 while(it_sifs.hasNext()) {
1334 ClassDescriptor ifcd = (ClassDescriptor)it_sifs.next();
1335 type = checkarraysupertype(ifcd, arraytd);
1345 /** Print out table to give us supertypes */
1346 protected void generateSuperTypeTable(PrintWriter output) {
1347 ClassDescriptor objectclass=typeutil.getClass(TypeUtil.ObjectClass);
1348 for(int i=0; i<state.numClasses(); i++) {
1349 ClassDescriptor cn=cdarray[i];
1353 output.print("int supertypes" + cn.getSafeSymbol() + "[] = {");
1354 boolean ncomma = false;
1356 if((cn != null) && (cn.getSuperDesc() != null)) {
1359 Iterator it_sifs = cn != null?cn.getSuperInterfaces():null;
1360 while(it_sifs != null && it_sifs.hasNext()) {
1366 if ((cn != null) && (cn.getSuperDesc()!=null)) {
1370 ClassDescriptor cdsuper=cn.getSuperDesc();
1371 output.print(cdsuper.getId());
1373 it_sifs = cn != null?cn.getSuperInterfaces():null;
1374 while(it_sifs != null && it_sifs.hasNext()) {
1378 output.print(((ClassDescriptor)it_sifs.next()).getId()+state.numClasses()+state.numArrays());
1381 output.println("};");
1384 for(int i=0; i<state.numArrays(); i++) {
1385 TypeDescriptor arraytd=arraytable[i];
1386 ClassDescriptor arraycd=arraytd.getClassDesc();
1387 output.print("int supertypes___arraytype___" + (i+state.numClasses()) + "[] = {");
1388 boolean ncomma = false;
1390 if (arraycd==null) {
1394 output.print(objectclass.getId());
1395 output.println("};");
1398 if((arraycd != null) && (arraycd.getSuperDesc() != null)) {
1401 Iterator it_sifs = arraycd != null?arraycd.getSuperInterfaces():null;
1402 while(it_sifs != null && it_sifs.hasNext()) {
1408 if ((arraycd != null) && (arraycd.getSuperDesc()!=null)) {
1409 ClassDescriptor cd=arraycd.getSuperDesc();
1412 type = checkarraysupertype(cd, arraytd);
1414 type += state.numClasses();
1421 it_sifs = arraycd != null?arraycd.getSuperInterfaces():null;
1422 while(it_sifs != null && it_sifs.hasNext()) {
1423 ClassDescriptor ifcd = (ClassDescriptor)it_sifs.next();
1424 int type = checkarraysupertype(ifcd, arraytd);
1426 type += state.numClasses();
1432 output.println("};");
1435 for(int i=0; i<state.numInterfaces(); i++) {
1436 ClassDescriptor cn=ifarray[i];
1440 output.print("int supertypes" + cn.getSafeSymbol() + "[] = {");
1441 boolean ncomma = false;
1443 if((cn != null) && (cn.getSuperDesc() != null)) {
1446 Iterator it_sifs = cn != null?cn.getSuperInterfaces():null;
1447 while(it_sifs != null && it_sifs.hasNext()) {
1453 if ((cn != null) && (cn.getSuperDesc()!=null)) {
1457 ClassDescriptor cdsuper=cn.getSuperDesc();
1458 output.print(cdsuper.getId());
1460 it_sifs = cn != null?cn.getSuperInterfaces():null;
1461 while(it_sifs != null && it_sifs.hasNext()) {
1465 output.print(((ClassDescriptor)it_sifs.next()).getId()+state.numClasses()+state.numArrays());
1468 output.println("};");
1471 output.println("int* supertypes[]={");
1472 boolean needcomma=false;
1473 for(int i=0; i<state.numClasses(); i++) {
1474 ClassDescriptor cn=cdarray[i];
1476 output.println(",");
1479 output.print("supertypes" + cn.getSafeSymbol());
1485 for(int i=0; i<state.numArrays(); i++) {
1487 output.println(",");
1489 output.print("supertypes___arraytype___" + (i+state.numClasses()));
1492 for(int i=0; i<state.numInterfaces(); i++) {
1493 ClassDescriptor cn=ifarray[i];
1495 output.println(",");
1497 output.print("supertypes" + cn.getSafeSymbol());
1499 output.println("};");
1502 /** Force consistent field ordering between inherited classes. */
1504 protected void printClassStruct(ClassDescriptor cn, PrintWriter classdefout, PrintWriter globaldefout, PrintWriter globaldefprimout) {
1506 ClassDescriptor sp=cn.getSuperDesc();
1508 printClassStruct(sp, classdefout, /*globaldefout*/ null, null);
1510 SymbolTable sitbl = cn.getSuperInterfaceTable();
1511 Iterator it_sifs = sitbl.getDescriptorsIterator();
1512 while(it_sifs.hasNext()) {
1513 ClassDescriptor si = (ClassDescriptor)it_sifs.next();
1514 printClassStruct(si, classdefout, /*globaldefout*/ null, null);
1517 if (!fieldorder.containsKey(cn)) {
1518 Vector fields=new Vector();
1519 fieldorder.put(cn,fields);
1521 Vector fieldvec=cn.getFieldVec();
1523 for(int i=0; i<fieldvec.size(); i++) {
1524 FieldDescriptor fd=(FieldDescriptor)fieldvec.get(i);
1525 if((sp != null) && sp.getFieldTable().contains(fd.getSymbol())) {
1528 it_sifs = sitbl.getDescriptorsIterator();
1529 while(it_sifs.hasNext()) {
1530 ClassDescriptor si = (ClassDescriptor)it_sifs.next();
1531 if(si.getFieldTable().contains(fd.getSymbol())) {
1539 //Vector fields=(Vector)fieldorder.get(cn);
1541 Vector fields = cn.getFieldVec();
1543 for(int i=0; i<fields.size(); i++) {
1544 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
1545 String fstring = fd.getSafeSymbol();
1546 if(printedfieldstbl.containsKey(fstring)) {
1547 printedfieldstbl.put(fstring, cn);
1550 printedfieldstbl.put(fstring, cn);
1552 if (fd.getType().isClass()
1553 && fd.getType().getClassDesc().isEnum()) {
1554 classdefout.println(" int " + fd.getSafeSymbol() + ";");
1555 } else if (fd.getType().isClass()||fd.getType().isArray()) {
1556 if (fd.isStatic()) {
1557 // TODO add version for normal Java later
1559 if(globaldefout != null) {
1560 if(fd.isVolatile()) {
1561 globaldefout.println(" volatile struct "+fd.getType().getSafeSymbol()+ " * "+fd.getSafeSymbol()+";");
1563 globaldefout.println(" struct "+fd.getType().getSafeSymbol()+ " * "+fd.getSafeSymbol()+";");
1567 } else if (fd.isVolatile()) {
1569 classdefout.println(" volatile struct "+fd.getType().getSafeSymbol()+ " * "+fd.getSafeSymbol()+";");
1571 classdefout.println(" struct "+fd.getType().getSafeSymbol()+" * "+fd.getSafeSymbol()+";");
1573 } else if (fd.isStatic()) {
1574 // TODO add version for normal Java later
1576 if(globaldefout != null) {
1577 if(fd.isVolatile()) {
1578 globaldefprimout.println(" volatile "+fd.getType().getSafeSymbol()+ " "+fd.getSafeSymbol()+";");
1580 globaldefprimout.println(" "+fd.getType().getSafeSymbol()+ " "+fd.getSafeSymbol()+";");
1583 } else if (fd.isVolatile()) {
1585 classdefout.println(" volatile "+fd.getType().getSafeSymbol()+ " "+fd.getSafeSymbol()+";");
1587 classdefout.println(" "+fd.getType().getSafeSymbol()+" "+fd.getSafeSymbol()+";");
1592 /* Map flags to integers consistently between inherited
1595 protected void mapFlags(ClassDescriptor cn) {
1596 ClassDescriptor sp=cn.getSuperDesc();
1600 if (!flagorder.containsKey(cn)) {
1601 Hashtable flags=new Hashtable();
1602 flagorder.put(cn,flags);
1604 Hashtable superflags=(Hashtable)flagorder.get(sp);
1605 Iterator superflagit=superflags.keySet().iterator();
1606 while(superflagit.hasNext()) {
1607 FlagDescriptor fd=(FlagDescriptor)superflagit.next();
1608 Integer number=(Integer)superflags.get(fd);
1609 flags.put(fd, number);
1610 if ((number.intValue()+1)>max)
1611 max=number.intValue()+1;
1615 Iterator flagit=cn.getFlags();
1616 while(flagit.hasNext()) {
1617 FlagDescriptor fd=(FlagDescriptor)flagit.next();
1618 if (sp==null||!sp.getFlagTable().contains(fd.getSymbol()))
1619 flags.put(fd, new Integer(max++));
1625 /** This function outputs (1) structures that parameters are
1626 * passed in (when PRECISE GC is enabled) and (2) function
1627 * prototypes for the methods */
1629 protected void generateCallStructs(ClassDescriptor cn, PrintWriter classdefout, PrintWriter output, PrintWriter headersout, PrintWriter globaldefout, PrintWriter globaldefprimout) {
1630 /* Output class structure */
1631 classdefout.println("struct "+cn.getSafeSymbol()+" {");
1632 classdefout.println(" int type;");
1633 classdefout.println(" int hashcode;");
1635 additionalClassObjectFields(classdefout);
1636 for(BuildCodeExtension bcx: extensions) {
1637 bcx.additionalClassObjectFields(classdefout);
1641 if (state.EVENTMONITOR) {
1642 classdefout.println(" int objuid;");
1645 classdefout.println(" volatile int tid;");
1646 classdefout.println(" volatile int notifycount;");
1649 classdefout.println(" int mutex;");
1650 classdefout.println(" volatile int notifycount;");
1651 classdefout.println(" volatile int objlock;");
1652 if(state.MULTICOREGC) {
1653 classdefout.println(" int marked;");
1657 classdefout.println(" int flag;");
1658 classdefout.println(" int ___cachedCode___;");
1659 if((!state.MULTICORE) || (cn.getSymbol().equals("TagDescriptor"))) {
1660 classdefout.println(" void * flagptr;");
1662 if (state.MULTICORE) {
1663 classdefout.println(" int version;");
1664 classdefout.println(" int * lock;"); // lock entry for this obj
1665 classdefout.println(" int mutex;");
1666 classdefout.println(" volatile int lockcount;");
1667 if(state.MULTICOREGC) {
1668 classdefout.println(" int marked;");
1671 if (state.OPTIONAL) {
1672 classdefout.println(" int numfses;");
1673 classdefout.println(" int * fses;");
1676 if (javabuilder==null||javabuilder.hasLayout(cn))
1677 printClassStruct(cn, classdefout, globaldefout, globaldefprimout);
1679 printedfieldstbl.clear(); // = new Hashtable<String, ClassDescriptor>();
1680 classdefout.println("};\n");
1681 generateCallStructsMethods(cn, output, headersout);
1685 protected void generateCallStructsMethods(ClassDescriptor cn, PrintWriter output, PrintWriter headersout) {
1686 for(Iterator methodit=cn.getMethods(); methodit.hasNext(); ) {
1687 MethodDescriptor md=(MethodDescriptor)methodit.next();
1689 FlatMethod fm=state.getMethodFlat(md);
1691 if (!callgraph.isCallable(md)&&(!md.isStaticBlock()||!callgraph.isInit(cn))) {
1692 if (callgraph.isCalled(md)) {
1693 generateTempStructs(fm);
1694 generateMethodParam(cn, md, output);
1699 generateTempStructs(fm);
1700 generateMethodParam(cn, md, output);
1702 generateMethod(cn, md, headersout, output);
1706 protected void generateMethodParam(ClassDescriptor cn, MethodDescriptor md, PrintWriter output) {
1707 /* Output parameter structure */
1708 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1709 if(md.isInvokedByStatic() && !md.isStaticBlock() && !md.getModifiers().isNative()) {
1710 // generate the staticinit version
1711 String mdstring = md.getSafeMethodDescriptor() + "staticinit";
1713 ParamsObject objectparams=(ParamsObject) paramstable.get(md);
1714 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params {");
1715 output.println(" int size;");
1716 output.println(" void * next;");
1717 for(int i=0; i<objectparams.numPointers(); i++) {
1718 TempDescriptor temp=objectparams.getPointer(i);
1719 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1720 output.println(" int " + temp.getSafeSymbol() + ";");
1722 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1725 output.println("};\n");
1728 ParamsObject objectparams=(ParamsObject) paramstable.get(md);
1729 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1730 output.println(" int size;");
1731 output.println(" void * next;");
1732 for(int i=0; i<objectparams.numPointers(); i++) {
1733 TempDescriptor temp=objectparams.getPointer(i);
1734 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1735 output.println(" int " + temp.getSafeSymbol() + ";");
1737 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1740 output.println("};\n");
1744 protected void generateMethod(ClassDescriptor cn, MethodDescriptor md, PrintWriter headersout, PrintWriter output) {
1745 ParamsObject objectparams=(ParamsObject) paramstable.get(md);
1746 TempObject objecttemps=(TempObject) tempstable.get(md);
1748 boolean printcomma = false;
1751 if(md.isInvokedByStatic() && !md.isStaticBlock() && !md.getModifiers().isNative()) {
1752 // generate the staticinit version
1753 String mdstring = md.getSafeMethodDescriptor() + "staticinit";
1755 /* Output temp structure */
1756 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1757 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_locals {");
1758 output.println(" int size;");
1759 output.println(" void * next;");
1760 for(int i=0; i<objecttemps.numPointers(); i++) {
1761 TempDescriptor temp=objecttemps.getPointer(i);
1762 if (!temp.getType().isArray() && temp.getType().isNull())
1763 output.println(" void * "+temp.getSafeSymbol()+";");
1765 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1767 output.println("};\n");
1770 headersout.println("#define D"+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+" 1");
1771 /* First the return type */
1772 if (md.getReturnType()!=null) {
1773 if(md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
1774 headersout.println(" int ");
1775 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
1776 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1778 headersout.print(md.getReturnType().getSafeSymbol()+" ");
1780 //catch the constructor case
1781 headersout.print("void ");
1783 /* Next the method name */
1784 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"(");
1786 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1787 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params * "+paramsprefix);
1791 /* Output parameter list*/
1792 for(int i=0; i<objectparams.numPrimitives(); i++) {
1793 TempDescriptor temp=objectparams.getPrimitive(i);
1795 headersout.print(", ");
1797 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1798 headersout.print("int " + temp.getSafeSymbol());
1799 } else if (temp.getType().isClass()||temp.getType().isArray())
1800 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1802 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1804 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
1805 headersout.print(", int linenum");
1807 headersout.println(");\n");
1810 /* Output temp structure */
1811 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1812 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1813 output.println(" int size;");
1814 output.println(" void * next;");
1815 for(int i=0; i<objecttemps.numPointers(); i++) {
1816 TempDescriptor temp=objecttemps.getPointer(i);
1817 if (!temp.getType().isArray() && temp.getType().isNull())
1818 output.println(" void * "+temp.getSafeSymbol()+";");
1820 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1822 output.println("};\n");
1825 /********* Output method declaration ***********/
1826 headersout.println("#define D"+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+" 1");
1827 /* First the return type */
1828 if (md.getReturnType()!=null) {
1829 if(md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
1830 headersout.println(" int ");
1831 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
1832 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1834 headersout.print(md.getReturnType().getSafeSymbol()+" ");
1836 //catch the constructor case
1837 headersout.print("void ");
1839 /* Next the method name */
1840 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1842 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1843 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1847 /* Output parameter list*/
1848 for(int i=0; i<objectparams.numPrimitives(); i++) {
1849 TempDescriptor temp=objectparams.getPrimitive(i);
1851 headersout.print(", ");
1853 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1854 headersout.print("int " + temp.getSafeSymbol());
1855 } else if (temp.getType().isClass()||temp.getType().isArray())
1856 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1858 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1860 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
1861 headersout.print(", int linenum");
1863 headersout.println(");\n");
1867 /** This function outputs (1) structures that parameters are
1868 * passed in (when PRECISE GC is enabled) and (2) function
1869 * prototypes for the tasks */
1871 protected void generateTaskStructs(PrintWriter output, PrintWriter headersout) {
1872 /* Cycle through tasks */
1873 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
1875 while(taskit.hasNext()) {
1876 /* Classify parameters */
1877 TaskDescriptor task=(TaskDescriptor)taskit.next();
1878 FlatMethod fm=state.getMethodFlat(task);
1879 generateTempStructs(fm);
1881 ParamsObject objectparams=(ParamsObject) paramstable.get(task);
1882 TempObject objecttemps=(TempObject) tempstable.get(task);
1884 /* Output parameter structure */
1885 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1886 output.println("struct "+task.getSafeSymbol()+"_params {");
1887 output.println(" int size;");
1888 output.println(" void * next;");
1889 for(int i=0; i<objectparams.numPointers(); i++) {
1890 TempDescriptor temp=objectparams.getPointer(i);
1891 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1894 output.println("};\n");
1895 if ((objectparams.numPointers()+fm.numTags())>maxtaskparams) {
1896 maxtaskparams=objectparams.numPointers()+fm.numTags();
1900 /* Output temp structure */
1901 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1902 output.println("struct "+task.getSafeSymbol()+"_locals {");
1903 output.println(" int size;");
1904 output.println(" void * next;");
1905 for(int i=0; i<objecttemps.numPointers(); i++) {
1906 TempDescriptor temp=objecttemps.getPointer(i);
1907 if (!temp.getType().isArray() && temp.getType().isNull())
1908 output.println(" void * "+temp.getSafeSymbol()+";");
1909 else if(temp.getType().isTag())
1910 output.println(" struct "+
1911 (new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1913 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1915 output.println("};\n");
1918 /* Output task declaration */
1919 headersout.print("void " + task.getSafeSymbol()+"(");
1921 boolean printcomma=false;
1922 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1923 headersout.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
1925 headersout.print("void * parameterarray[]");
1926 headersout.println(");\n");
1930 protected void generateNativeFlatMethod(FlatMethod fm, PrintWriter outmethod) {
1931 MethodDescriptor md=fm.getMethod();
1932 ClassDescriptor cd=md.getClassDesc();
1933 generateHeader(fm, md, outmethod);
1935 outmethod.println("JNIPUSHFRAME();");
1936 if (md.getModifiers().isStatic()) {
1937 outmethod.println("jobject rec=JNIWRAP(((void **)(((char *) &(global_defs_p->classobjs->___length___))+sizeof(int)))[" + cd.getId() + "]);");
1939 outmethod.println("jobject rec=JNIWRAP("+generateTemp(fm, fm.getParameter(0))+");");
1942 for(int i=startindex; i<fm.numParameters(); i++) {
1943 TempDescriptor tmp=fm.getParameter(i);
1944 if (tmp.getType().isPtr()) {
1945 outmethod.println("jobject param"+i+"=JNIWRAP("+generateTemp(fm, fm.getParameter(i))+");");
1948 if (GENERATEPRECISEGC) {
1949 outmethod.println("stopforgc((struct garbagelist *)___params___);");
1951 if (!md.getReturnType().isVoid()) {
1952 if (md.getReturnType().isPtr())
1953 outmethod.print("jobject retval=");
1955 outmethod.print(md.getReturnType().getSafeSymbol()+" retval=");
1957 outmethod.print("Java_");
1958 outmethod.print(cd.getPackage().replace('.','_'));
1959 outmethod.print("_"+md.getSymbol()+"(");
1960 outmethod.print("JNI_vtable, rec");
1962 for(int i=startindex; i<fm.numParameters(); i++) {
1963 outmethod.print(", ");
1964 TempDescriptor tmp=fm.getParameter(i);
1965 if (tmp.getType().isPtr()) {
1966 outmethod.print("param"+i);
1968 outmethod.print(generateTemp(fm, tmp));
1971 outmethod.println(");");
1972 if (GENERATEPRECISEGC) {
1973 outmethod.println("restartaftergc();");
1975 if (!md.getReturnType().isVoid()) {
1976 if (md.getReturnType().isPtr()) {
1977 outmethod.println("struct ___Object___ * retobj=JNIUNWRAP(retval);");
1978 outmethod.println("JNIPOPFRAME();");
1979 outmethod.println("return retobj;");
1981 outmethod.println("JNIPOPFRAME();");
1982 outmethod.println("return retval;");
1985 outmethod.println("JNIPOPFRAME();");
1987 outmethod.println("}");
1988 outmethod.println("");
1991 protected void generateFlatMethod(FlatMethod fm, PrintWriter output) {
1992 if (State.PRINTFLAT)
1993 System.out.println(fm.printMethod());
1994 MethodDescriptor md=fm.getMethod();
1995 TaskDescriptor task=fm.getTask();
1996 ClassDescriptor cn=md!=null?md.getClassDesc():null;
1997 ParamsObject objectparams=(ParamsObject)paramstable.get(md!=null?md:task);
1999 if((md != null) && md.isInvokedByStatic() && !md.isStaticBlock() && !md.getModifiers().isNative()) {
2000 // generate a special static init version
2001 mgcstaticinit = true;
2002 String mdstring = md.getSafeMethodDescriptor() + "staticinit";
2004 generateHeader(fm, md!=null?md:task,output);
2005 TempObject objecttemp=(TempObject) tempstable.get(md!=null?md:task);
2007 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2008 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_locals "+localsprefix+"={");
2009 output.print(objecttemp.numPointers()+",");
2010 output.print(paramsprefix);
2011 for(int j=0; j<objecttemp.numPointers(); j++)
2012 output.print(", NULL");
2013 output.println("};");
2016 for(int i=0; i<objecttemp.numPrimitives(); i++) {
2017 TempDescriptor td=objecttemp.getPrimitive(i);
2018 TypeDescriptor type=td.getType();
2019 if (type.isNull() && !type.isArray())
2020 output.println(" void * "+td.getSafeSymbol()+";");
2021 else if (type.isClass() && type.getClassDesc().isEnum()) {
2022 output.println(" int " + td.getSafeSymbol() + ";");
2023 } else if (type.isClass()||type.isArray())
2024 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
2026 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
2029 additionalCodeAtTopFlatMethodBody(output, fm);
2030 for(BuildCodeExtension bcx: extensions) {
2031 bcx.additionalCodeAtTopFlatMethodBody(output, fm);
2034 /* Check to see if we need to do a GC if this is a
2035 * multi-threaded program...*/
2037 if (((state.OOOJAVA||state.THREAD)&&GENERATEPRECISEGC) || state.MULTICOREGC) {
2038 //Don't bother if we aren't in recursive methods...The loops case will catch it
2039 if (callgraph.getAllMethods(md).contains(md)) {
2040 if (this.state.MULTICOREGC) {
2041 output.println("GCCHECK("+localsprefixaddr+");");
2043 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
2048 generateCode(fm.getNext(0), fm, null, output);
2050 output.println("}\n\n");
2052 mgcstaticinit = false;
2055 generateHeader(fm, md!=null?md:task,output);
2056 TempObject objecttemp=(TempObject) tempstable.get(md!=null?md:task);
2058 if((md != null) && (md.isStaticBlock())) {
2059 mgcstaticinit = true;
2062 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2064 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
2066 output.print(" struct "+task.getSafeSymbol()+"_locals "+localsprefix+"={");
2067 output.print(objecttemp.numPointers()+",");
2068 output.print(paramsprefix);
2069 for(int j=0; j<objecttemp.numPointers(); j++)
2070 output.print(", NULL");
2071 output.println("};");
2074 for(int i=0; i<objecttemp.numPrimitives(); i++) {
2075 TempDescriptor td=objecttemp.getPrimitive(i);
2076 TypeDescriptor type=td.getType();
2077 if (type.isNull() && !type.isArray())
2078 output.println(" void * "+td.getSafeSymbol()+";");
2079 else if (type.isClass() && type.getClassDesc().isEnum()) {
2080 output.println(" int " + td.getSafeSymbol() + ";");
2081 } else if (type.isClass()||type.isArray())
2082 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
2084 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
2087 additionalCodeAtTopFlatMethodBody(output, fm);
2088 for(BuildCodeExtension bcx: extensions) {
2089 bcx.additionalCodeAtTopFlatMethodBody(output, fm);
2092 /* Check to see if we need to do a GC if this is a
2093 * multi-threaded program...*/
2095 if (((state.OOOJAVA||state.THREAD)&&GENERATEPRECISEGC)
2096 || this.state.MULTICOREGC) {
2097 //Don't bother if we aren't in recursive methods...The loops case will catch it
2098 if (callgraph.getAllMethods(md).contains(md)) {
2099 if (this.state.MULTICOREGC) {
2100 output.println("GCCHECK("+localsprefixaddr+");");
2102 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
2107 if(fm.getMethod()!=null&&fm.getMethod().isStaticBlock()) {
2108 // a static block, check if it has been executed
2109 output.println(" if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag != 0) {");
2110 output.println(" return;");
2111 output.println(" }");
2115 generateCode(fm.getNext(0), fm, null, output);
2117 output.println("}\n\n");
2119 mgcstaticinit = false;
2122 protected void generateCode(FlatNode first,
2124 Set<FlatNode> stopset,
2125 PrintWriter output) {
2127 /* Assign labels to FlatNode's if necessary.*/
2129 Hashtable<FlatNode, Integer> nodetolabel;
2131 nodetolabel=assignLabels(first, stopset);
2133 Set<FlatNode> storeset=null;
2134 HashSet<FlatNode> genset=null;
2135 HashSet<FlatNode> refset=null;
2136 Set<FlatNode> unionset=null;
2138 /* Do the actual code generation */
2139 FlatNode current_node=null;
2140 HashSet tovisit=new HashSet();
2141 HashSet visited=new HashSet();
2143 while(current_node!=null||!tovisit.isEmpty()) {
2144 if (current_node==null) {
2145 current_node=(FlatNode)tovisit.iterator().next();
2146 tovisit.remove(current_node);
2147 } else if (tovisit.contains(current_node)) {
2148 tovisit.remove(current_node);
2150 visited.add(current_node);
2151 if (nodetolabel.containsKey(current_node)) {
2152 output.println("L"+nodetolabel.get(current_node)+":");
2154 if (state.INSTRUCTIONFAILURE) {
2156 output.println("if ((++instructioncount)>failurecount) {instructioncount=0;injectinstructionfailure();}");
2158 output.println("if ((--instructioncount)==0) injectinstructionfailure();");
2160 if (current_node.numNext()==0||stopset!=null&&stopset.contains(current_node)) {
2162 generateFlatNode(fm, current_node, output);
2164 if (state.OOOJAVA && stopset!=null) {
2165 assert first.getPrev(0) instanceof FlatSESEEnterNode;
2166 assert current_node instanceof FlatSESEExitNode;
2167 FlatSESEEnterNode fsen = (FlatSESEEnterNode) first.getPrev(0);
2168 FlatSESEExitNode fsxn = (FlatSESEExitNode) current_node;
2169 assert fsen.getFlatExit().equals(fsxn);
2170 assert fsxn.getFlatEnter().equals(fsen);
2172 if (current_node.kind()!=FKind.FlatReturnNode) {
2173 if((fm.getMethod() != null) && (fm.getMethod().isStaticBlock())) {
2174 // a static block, check if it has been executed
2175 output.println(" global_defsprim_p->" + fm.getMethod().getClassDesc().getSafeSymbol()+"static_block_exe_flag = 1;");
2178 output.println(" return;");
2181 } else if(current_node.numNext()==1) {
2183 if (state.OOOJAVA &&
2184 current_node.kind()==FKind.FlatSESEEnterNode) {
2185 FlatSESEEnterNode fsen = (FlatSESEEnterNode)current_node;
2186 generateFlatNode(fm, current_node, output);
2187 nextnode=fsen.getFlatExit().getNext(0);
2190 generateFlatNode(fm, current_node, output);
2191 nextnode=current_node.getNext(0);
2193 if (visited.contains(nextnode)) {
2194 output.println("goto L"+nodetolabel.get(nextnode)+";");
2197 current_node=nextnode;
2198 } else if (current_node.numNext()==2) {
2201 generateFlatCondBranch(fm, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
2202 if (!visited.contains(current_node.getNext(1)))
2203 tovisit.add(current_node.getNext(1));
2204 if (visited.contains(current_node.getNext(0))) {
2205 output.println("goto L"+nodetolabel.get(current_node.getNext(0))+";");
2208 current_node=current_node.getNext(0);
2209 } else throw new Error();
2213 protected Hashtable<FlatNode, Integer> assignLabels(FlatNode first, Set<FlatNode> lastset) {
2214 HashSet tovisit=new HashSet();
2215 HashSet visited=new HashSet();
2217 Hashtable<FlatNode, Integer> nodetolabel=new Hashtable<FlatNode, Integer>();
2220 /*Assign labels first. A node needs a label if the previous
2221 * node has two exits or this node is a join point. */
2223 while(!tovisit.isEmpty()) {
2224 FlatNode fn=(FlatNode)tovisit.iterator().next();
2229 if(lastset!=null&&lastset.contains(fn)) {
2230 // if last is not null and matches, don't go
2231 // any further for assigning labels
2235 for(int i=0; i<fn.numNext(); i++) {
2236 FlatNode nn=fn.getNext(i);
2239 //1) Edge >1 of node
2240 nodetolabel.put(nn,new Integer(labelindex++));
2242 if (!visited.contains(nn)&&!tovisit.contains(nn)) {
2246 nodetolabel.put(nn,new Integer(labelindex++));
2253 /** Generate text string that corresponds to the TempDescriptor td. */
2254 protected String generateTemp(FlatMethod fm, TempDescriptor td) {
2255 MethodDescriptor md=fm.getMethod();
2256 TaskDescriptor task=fm.getTask();
2257 TempObject objecttemps=(TempObject) tempstable.get(md!=null?md:task);
2259 if (objecttemps.isLocalPrim(td)||objecttemps.isParamPrim(td)) {
2260 return td.getSafeSymbol();
2263 if (objecttemps.isLocalPtr(td)) {
2264 return localsprefixderef+td.getSafeSymbol();
2267 if (objecttemps.isParamPtr(td)) {
2268 return paramsprefix+"->"+td.getSafeSymbol();
2276 protected void generateFlatNode(FlatMethod fm, FlatNode fn, PrintWriter output) {
2277 if(state.LINENUM) printSourceLineNumber(fm,fn,output);
2279 additionalCodePreNode(fm, fn, output);
2280 for(BuildCodeExtension bcx: extensions) {
2281 bcx.additionalCodePreNode(fm, fn, output);
2285 case FKind.FlatAtomicEnterNode:
2286 generateFlatAtomicEnterNode(fm, (FlatAtomicEnterNode) fn, output);
2289 case FKind.FlatAtomicExitNode:
2290 generateFlatAtomicExitNode(fm, (FlatAtomicExitNode) fn, output);
2293 case FKind.FlatInstanceOfNode:
2294 generateFlatInstanceOfNode(fm, (FlatInstanceOfNode)fn, output);
2297 case FKind.FlatSESEEnterNode:
2298 generateFlatSESEEnterNode(fm, (FlatSESEEnterNode)fn, output);
2301 case FKind.FlatSESEExitNode:
2302 generateFlatSESEExitNode(fm, (FlatSESEExitNode)fn, output);
2305 case FKind.FlatWriteDynamicVarNode:
2306 generateFlatWriteDynamicVarNode(fm, (FlatWriteDynamicVarNode)fn, output);
2309 case FKind.FlatGlobalConvNode:
2310 generateFlatGlobalConvNode(fm, (FlatGlobalConvNode) fn, output);
2313 case FKind.FlatTagDeclaration:
2314 generateFlatTagDeclaration(fm, (FlatTagDeclaration) fn,output);
2317 case FKind.FlatCall:
2318 generateFlatCall(fm, (FlatCall) fn,output);
2321 case FKind.FlatFieldNode:
2322 generateFlatFieldNode(fm, (FlatFieldNode) fn,output);
2325 case FKind.FlatElementNode:
2326 generateFlatElementNode(fm, (FlatElementNode) fn,output);
2329 case FKind.FlatSetElementNode:
2330 generateFlatSetElementNode(fm, (FlatSetElementNode) fn,output);
2333 case FKind.FlatSetFieldNode:
2334 generateFlatSetFieldNode(fm, (FlatSetFieldNode) fn,output);
2338 generateFlatNew(fm, (FlatNew) fn,output);
2341 case FKind.FlatOpNode:
2342 generateFlatOpNode(fm, (FlatOpNode) fn,output);
2345 case FKind.FlatCastNode:
2346 generateFlatCastNode(fm, (FlatCastNode) fn,output);
2349 case FKind.FlatLiteralNode:
2350 generateFlatLiteralNode(fm, (FlatLiteralNode) fn,output);
2353 case FKind.FlatReturnNode:
2354 generateFlatReturnNode(fm, (FlatReturnNode) fn,output);
2358 output.println("/* nop */");
2361 case FKind.FlatGenReachNode:
2362 // this node is just for generating a reach graph
2363 // in disjointness analysis at a particular program point
2366 case FKind.FlatExit:
2367 output.println("/* exit */");
2370 case FKind.FlatBackEdge:
2371 generateFlatBackEdge(fm, (FlatBackEdge)fn, output);
2374 case FKind.FlatCheckNode:
2375 generateFlatCheckNode(fm, (FlatCheckNode) fn, output);
2378 case FKind.FlatFlagActionNode:
2379 generateFlatFlagActionNode(fm, (FlatFlagActionNode) fn, output);
2382 case FKind.FlatPrefetchNode:
2383 generateFlatPrefetchNode(fm, (FlatPrefetchNode) fn, output);
2386 case FKind.FlatOffsetNode:
2387 generateFlatOffsetNode(fm, (FlatOffsetNode)fn, output);
2394 additionalCodePostNode(fm, fn, output);
2395 for(BuildCodeExtension bcx: extensions) {
2396 bcx.additionalCodePostNode(fm, fn, output);
2401 public void generateFlatBackEdge(FlatMethod fm, FlatBackEdge fn, PrintWriter output) {
2402 if (((state.OOOJAVA||state.THREAD)&&GENERATEPRECISEGC)
2403 || (this.state.MULTICOREGC)) {
2404 if(this.state.MULTICOREGC) {
2405 output.println("GCCHECK("+localsprefixaddr+");");
2407 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
2410 output.println("/* nop */");
2413 public void generateFlatOffsetNode(FlatMethod fm, FlatOffsetNode fofn, PrintWriter output) {
2414 output.println("/* FlatOffsetNode */");
2415 FieldDescriptor fd=fofn.getField();
2416 if(!fd.isStatic()) {
2417 output.println(generateTemp(fm, fofn.getDst())+ " = (short)(int) (&((struct "+fofn.getClassType().getSafeSymbol() +" *)0)->"+
2418 fd.getSafeSymbol()+");");
2420 output.println("/* offset */");
2423 public void generateFlatPrefetchNode(FlatMethod fm, FlatPrefetchNode fpn, PrintWriter output) {
2426 public void generateFlatGlobalConvNode(FlatMethod fm, FlatGlobalConvNode fgcn, PrintWriter output) {
2429 public void generateFlatInstanceOfNode(FlatMethod fm, FlatInstanceOfNode fion, PrintWriter output) {
2432 if (fion.getType().isArray()) {
2433 type=state.getArrayNumber(fion.getType())+state.numClasses();
2434 } else if (fion.getType().getClassDesc().isInterface()) {
2435 type=fion.getType().getClassDesc().getId()+state.numClasses()+state.numArrays();
2437 type=fion.getType().getClassDesc().getId();
2439 if (fion.getSrc().getType().isArray()) {
2440 otype=state.getArrayNumber(fion.getSrc().getType())+state.numClasses();
2441 } else if (fion.getSrc().getType().getClassDesc().isInterface()) {
2442 otype=fion.getSrc().getType().getClassDesc().getId()+state.numClasses()+state.numArrays();
2444 otype=fion.getSrc().getType().getClassDesc().getId();
2447 if (fion.getType().getSymbol().equals(TypeUtil.ObjectClass))
2448 output.println(generateTemp(fm, fion.getDst())+"=(" + generateTemp(fm,fion.getSrc()) + "!= NULL);");
2450 output.println(generateTemp(fm, fion.getDst())+"=instanceof("+generateTemp(fm,fion.getSrc())+","+type+");");
2454 public void generateFlatAtomicEnterNode(FlatMethod fm, FlatAtomicEnterNode faen, PrintWriter output) {
2457 public void generateFlatAtomicExitNode(FlatMethod fm, FlatAtomicExitNode faen, PrintWriter output) {
2460 public void generateFlatSESEEnterNode(FlatMethod fm,
2461 FlatSESEEnterNode fsen,
2462 PrintWriter output) {
2463 // if OOOJAVA flag is off, okay that SESE nodes are in IR graph,
2464 // just skip over them and code generates exactly the same
2467 public void generateFlatSESEExitNode(FlatMethod fm,
2468 FlatSESEExitNode fsexn,
2469 PrintWriter output) {
2470 // if OOOJAVA flag is off, okay that SESE nodes are in IR graph,
2471 // just skip over them and code generates exactly the same
2474 public void generateFlatWriteDynamicVarNode(FlatMethod fm,
2475 FlatWriteDynamicVarNode fwdvn,
2476 PrintWriter output) {
2480 protected void generateFlatCheckNode(FlatMethod fm, FlatCheckNode fcn, PrintWriter output) {
2481 if (state.CONSCHECK) {
2482 String specname=fcn.getSpec();
2483 String varname="repairstate___";
2484 output.println("{");
2485 output.println("struct "+specname+"_state * "+varname+"=allocate"+specname+"_state();");
2487 TempDescriptor[] temps=fcn.getTemps();
2488 String[] vars=fcn.getVars();
2489 for(int i=0; i<temps.length; i++) {
2490 output.println(varname+"->"+vars[i]+"=(unsigned int)"+generateTemp(fm, temps[i])+";");
2493 output.println("if (doanalysis"+specname+"("+varname+")) {");
2494 output.println("free"+specname+"_state("+varname+");");
2495 output.println("} else {");
2496 output.println("/* Bad invariant */");
2497 output.println("free"+specname+"_state("+varname+");");
2498 output.println("abort_task();");
2499 output.println("}");
2500 output.println("}");
2504 protected void generateFlatCall(FlatMethod fm, FlatCall fc, PrintWriter output) {
2505 MethodDescriptor md=fc.getMethod();
2506 ParamsObject objectparams=(ParamsObject)paramstable.get(md);
2508 ClassDescriptor cn=md.getClassDesc();
2509 String mdstring = md.getSafeMethodDescriptor();
2510 if(mgcstaticinit && !md.isStaticBlock() && !md.getModifiers().isNative()) {
2511 mdstring += "staticinit";
2514 // if the called method is a static block or a static method or a constructor
2515 // need to check if it can be invoked inside some static block
2516 if((md.isStatic() || md.isStaticBlock() || md.isConstructor()) &&
2517 ((fm.getMethod() != null) && ((fm.getMethod().isStaticBlock()) || (fm.getMethod().isInvokedByStatic())))) {
2518 if(!md.isInvokedByStatic()) {
2519 System.err.println("Error: a method that is invoked inside a static block is not tagged!");
2521 // is a static block or is invoked in some static block
2522 ClassDescriptor cd = fm.getMethod().getClassDesc();
2523 if(cd != cn && mgcstaticinit && callgraph.isInit(cn)) {
2524 // generate static init check code if it has not done static init in main()
2525 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
2526 // need to check if the class' static fields have been initialized and/or
2527 // its static blocks have been executed
2528 output.println("if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag == 0) {");
2529 if(cn.getNumStaticBlocks() != 0) {
2530 MethodDescriptor t_md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
2531 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2532 output.print(" struct "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2533 output.println("0, NULL};");
2534 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"(& __parameterlist__);");
2536 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
2539 output.println(" global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag = 1;");
2541 output.println("}");
2545 if((md.getSymbol().equals("MonitorEnter") || md.getSymbol().equals("MonitorExit")) && fc.getThis().getSymbol().equals("classobj")) {
2546 output.println("{");
2547 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
2548 output.println("int monitorenterline = __LINE__;");
2550 // call MonitorEnter/MonitorExit on a class obj
2551 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2552 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2553 output.println("1," + localsprefixaddr + ", ((void **)(((char *) &(global_defs_p->classobjs->___length___))+sizeof(int)))[" + fc.getThis().getType().getClassDesc().getId() + "]};");
2554 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
2555 output.println(" "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__, monitorenterline);");
2557 output.println(" "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
2560 output.println(" " + cn.getSafeSymbol()+md.getSafeSymbol()+"_"
2561 + md.getSafeMethodDescriptor() + "((struct ___Object___*)(((void **)(((char *) &(global_defs_p->classobjs->___length___))+sizeof(int)))["
2562 + fc.getThis().getType().getClassDesc().getId() + "]));");
2564 output.println("}");
2568 output.println("{");
2569 if(md.getSymbol().equals("MonitorEnter")) {
2570 output.println("int monitorenterline = __LINE__;");
2572 if (GENERATEPRECISEGC || state.MULTICOREGC) {
2573 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params __parameterlist__={");
2574 output.print(objectparams.numPointers());
2575 output.print(", "+localsprefixaddr);
2576 if (md.getThis()!=null) {
2578 output.print("(struct "+md.getThis().getType().getSafeSymbol() +" *)"+ generateTemp(fm,fc.getThis()));
2580 if (fc.getThis()!=null&&md.getThis()==null) {
2581 System.out.println("WARNING!!!!!!!!!!!!");
2582 System.out.println("Source code calls static method "+md+" on an object in "+fm.getMethod()+"!");
2585 for(int i=0; i<fc.numArgs(); i++) {
2586 Descriptor var=md.getParameter(i);
2587 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
2588 if (objectparams.isParamPtr(paramtemp)) {
2589 TempDescriptor targ=fc.getArg(i);
2591 TypeDescriptor td=md.getParamType(i);
2593 output.print("(struct "+(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol() +" *)"+generateTemp(fm, targ));
2595 output.print("(struct "+md.getParamType(i).getSafeSymbol() +" *)"+generateTemp(fm, targ));
2598 output.println("};");
2603 if (fc.getReturnTemp()!=null)
2604 output.print(generateTemp(fm,fc.getReturnTemp())+"=");
2606 /* Do we need to do virtual dispatch? */
2608 if (md.isStatic()||md.getReturnType()==null||singleCall(fc.getThis().getType().getClassDesc(),md)||fc.getSuper()) {
2610 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring);
2614 if (md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
2615 output.print("int ");
2616 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
2617 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
2619 output.print(md.getReturnType().getSafeSymbol()+" ");
2620 output.print("(*)(");
2622 boolean printcomma=false;
2623 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2624 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params * ");
2628 for(int i=0; i<objectparams.numPrimitives(); i++) {
2629 TempDescriptor temp=objectparams.getPrimitive(i);
2633 if (temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
2634 output.print("int ");
2635 } else if (temp.getType().isClass()||temp.getType().isArray())
2636 output.print("struct " + temp.getType().getSafeSymbol()+" * ");
2638 output.print(temp.getType().getSafeSymbol());
2641 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
2642 output.print(", int");
2644 output.print("))virtualtable["+generateTemp(fm,fc.getThis())+"->type*"+maxcount+"+"+virtualcalls.getMethodNumber(md)+"])");
2648 boolean needcomma=false;
2649 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2650 output.print("&__parameterlist__");
2654 if (!GENERATEPRECISEGC && !this.state.MULTICOREGC) {
2655 if (fc.getThis()!=null) {
2656 TypeDescriptor ptd=null;
2657 if(md.getThis() != null) {
2658 ptd = md.getThis().getType();
2660 ptd = fc.getThis().getType();
2664 if(ptd.isClass() && ptd.getClassDesc().isEnum()) {
2666 } else if (ptd.isClass()&&!ptd.isArray())
2667 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
2668 output.print(generateTemp(fm,fc.getThis()));
2673 for(int i=0; i<fc.numArgs(); i++) {
2674 Descriptor var=md.getParameter(i);
2675 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
2676 if (objectparams.isParamPrim(paramtemp)) {
2677 TempDescriptor targ=fc.getArg(i);
2681 TypeDescriptor ptd=md.getParamType(i);
2682 if (ptd.isClass() && ptd.getClassDesc().isEnum()) {
2684 } else if (ptd.isClass()&&!ptd.isArray())
2685 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
2686 output.print(generateTemp(fm, targ));
2690 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
2691 output.println(", monitorenterline);");
2693 output.println(");");
2695 output.println(" }");
2698 protected boolean singleCall(ClassDescriptor thiscd, MethodDescriptor md) {
2699 if(thiscd.isInterface()) {
2700 // for interfaces, always need virtual dispatch
2703 Set subclasses=typeutil.getSubClasses(thiscd);
2704 if (subclasses==null)
2706 for(Iterator classit=subclasses.iterator(); classit.hasNext(); ) {
2707 ClassDescriptor cd=(ClassDescriptor)classit.next();
2708 Set possiblematches=cd.getMethodTable().getSetFromSameScope(md.getSymbol());
2709 for(Iterator matchit=possiblematches.iterator(); matchit.hasNext(); ) {
2710 MethodDescriptor matchmd=(MethodDescriptor)matchit.next();
2711 if (md.matches(matchmd))
2719 protected void generateFlatFieldNode(FlatMethod fm, FlatFieldNode ffn, PrintWriter output) {
2721 if(ffn.getField().isStatic()) {
2723 if((fm.getMethod().isStaticBlock()) || (fm.getMethod().isInvokedByStatic())) {
2724 // is a static block or is invoked in some static block
2725 ClassDescriptor cd = fm.getMethod().getClassDesc();
2726 ClassDescriptor cn = ffn.getSrc().getType().getClassDesc();
2727 if(cd != cn && mgcstaticinit && callgraph.isInit(cn)) {
2728 // generate the static init check code if has not done the static init in main()
2729 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
2730 // need to check if the class' static fields have been initialized and/or
2731 // its static blocks have been executed
2732 output.println("if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag == 0) {");
2733 if(cn.getNumStaticBlocks() != 0) {
2734 MethodDescriptor t_md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
2735 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2736 output.print(" struct "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2737 output.println("0, NULL};");
2738 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"(& __parameterlist__);");
2740 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
2743 output.println(" global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag = 1;");
2745 output.println("}");
2749 // redirect to the global_defs_p structure
2750 if (ffn.getField().getType().isPtr())
2751 output.println(generateTemp(fm, ffn.getDst())+"=global_defs_p->"+ffn.getField().getSafeSymbol()+";");
2753 output.println(generateTemp(fm, ffn.getDst())+"=global_defsprim_p->"+ffn.getField().getSafeSymbol()+";");
2754 } else if (ffn.getField().isEnum()) {
2755 // an Enum value, directly replace the field access as int
2756 output.println(generateTemp(fm, ffn.getDst()) + "=" + ffn.getField().enumValue() + ";");
2758 if( state.CAPTURE_NULL_DEREFERENCES ) {
2759 output.println("#ifdef CAPTURE_NULL_DEREFERENCES");
2760 output.println("if (" + generateTemp(fm,ffn.getSrc()) + " == NULL) {");
2761 output.println("printf(\" NULL ptr error: %s, %s, %d \\n\", __FILE__, __func__, __LINE__);");
2762 if(state.MULTICOREGC) {
2763 output.println("failednullptr(&___locals___);");
2765 output.println("failednullptr(NULL);");
2767 output.println("}");
2768 output.println("#endif //CAPTURE_NULL_DEREFERENCES");
2770 output.println(generateTemp(fm, ffn.getDst())+"="+ generateTemp(fm,ffn.getSrc())+"->"+ ffn.getField().getSafeSymbol()+";");
2775 protected void generateFlatSetFieldNode(FlatMethod fm, FlatSetFieldNode fsfn, PrintWriter output) {
2776 if (fsfn.getField().getSymbol().equals("length")&&fsfn.getDst().getType().isArray())
2777 throw new Error("Can't set array length");
2778 if (state.FASTCHECK) {
2779 String dst=generateTemp(fm, fsfn.getDst());
2780 output.println("if(!"+dst+"->"+localcopystr+") {");
2781 /* Link object into list */
2782 if (GENERATEPRECISEGC || this.state.MULTICOREGC)
2783 output.println("COPY_OBJ((struct garbagelist *)"+localsprefixaddr+",(struct ___Object___ *)"+dst+");");
2785 output.println("COPY_OBJ("+dst+");");
2786 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2787 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2788 output.println("}");
2791 if(fsfn.getField().isStatic()) {
2793 if((fm.getMethod().isStaticBlock()) || (fm.getMethod().isInvokedByStatic())) {
2794 // is a static block or is invoked in some static block
2795 ClassDescriptor cd = fm.getMethod().getClassDesc();
2796 ClassDescriptor cn = fsfn.getDst().getType().getClassDesc();
2797 if(cd != cn && mgcstaticinit && callgraph.isInit(cn)) {
2798 // generate static init check code if has not done the static init in main()
2799 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
2800 // need to check if the class' static fields have been initialized and/or
2801 // its static blocks have been executed
2802 output.println("if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag == 0) {");
2803 if(cn.getNumStaticBlocks() != 0) {
2804 MethodDescriptor t_md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
2805 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2806 output.print(" struct "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2807 output.println("0, NULL};");
2808 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"(& __parameterlist__);");
2810 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
2813 output.println(" global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag = 1;");
2815 output.println("}");
2819 // redirect to the global_defs_p structure
2820 if (fsfn.getField().getType().isPtr()) {
2821 if (fsfn.getField().getType()!=fsfn.getSrc().getType())
2822 output.println("global_defs_p->" +
2823 fsfn.getField().getSafeSymbol()+"=(struct "+ fsfn.getField().getType().getSafeSymbol()+" *)"+generateTemp(fm,fsfn.getSrc())+";");
2825 output.println("global_defs_p->" +
2826 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc())+";");
2828 output.println("global_defsprim_p->" +
2829 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc())+";");
2832 if( state.CAPTURE_NULL_DEREFERENCES ) {
2833 output.println("#ifdef CAPTURE_NULL_DEREFERENCES");
2834 output.println("if (" + generateTemp(fm,fsfn.getDst()) + " == NULL) {");
2835 output.println("printf(\" NULL ptr error: %s, %s, %d \\n\", __FILE__, __func__, __LINE__);");
2836 if(state.MULTICOREGC) {
2837 output.println("failednullptr(&___locals___);");
2839 output.println("failednullptr(NULL);");
2841 output.println("}");
2842 output.println("#endif //CAPTURE_NULL_DEREFERENCES");
2845 if (fsfn.getSrc().getType().isPtr()&&fsfn.getSrc().getType()!=fsfn.getField().getType())
2846 output.println(generateTemp(fm, fsfn.getDst())+"->"+
2847 fsfn.getField().getSafeSymbol()+"=(struct "+ fsfn.getField().getType().getSafeSymbol()+"*)"+generateTemp(fm,fsfn.getSrc())+";");
2849 output.println(generateTemp(fm, fsfn.getDst())+"->"+
2850 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc())+";");
2855 protected void generateFlatElementNode(FlatMethod fm, FlatElementNode fen, PrintWriter output) {
2856 TypeDescriptor elementtype=fen.getSrc().getType().dereference();
2859 if (elementtype.isClass() && elementtype.getClassDesc().isEnum()) {
2861 } else if (elementtype.isArray()||elementtype.isClass())
2864 type=elementtype.getSafeSymbol()+" ";
2866 if (this.state.ARRAYBOUNDARYCHECK && fen.needsBoundsCheck()) {
2867 output.println("if (unlikely(((unsigned int)"+generateTemp(fm, fen.getIndex())+") >= "+generateTemp(fm,fen.getSrc()) + "->___length___))");
2868 output.println("failedboundschk(" + (boundschknum++) + ");");
2870 output.println(generateTemp(fm, fen.getDst())+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc())+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex())+"];");
2873 protected void generateFlatSetElementNode(FlatMethod fm, FlatSetElementNode fsen, PrintWriter output) {
2874 //TODO: need dynamic check to make sure this assignment is actually legal
2875 //Because Object[] could actually be something more specific...ie. Integer[]
2877 TypeDescriptor elementtype=fsen.getDst().getType().dereference();
2880 if (elementtype.isClass() && elementtype.getClassDesc().isEnum()) {
2882 } else if (elementtype.isArray()||elementtype.isClass() || (elementtype.isNull()))
2885 type=elementtype.getSafeSymbol()+" ";
2887 if (this.state.ARRAYBOUNDARYCHECK && fsen.needsBoundsCheck()) {
2888 output.println("if (unlikely(((unsigned int)"+generateTemp(fm, fsen.getIndex())+") >= "+generateTemp(fm,fsen.getDst()) + "->___length___))");
2889 output.println("failedboundschk(" + (boundschknum++) + ");");
2891 if (state.FASTCHECK) {
2892 String dst=generateTemp(fm, fsen.getDst());
2893 output.println("if(!"+dst+"->"+localcopystr+") {");
2894 /* Link object into list */
2895 if (GENERATEPRECISEGC || this.state.MULTICOREGC)
2896 output.println("COPY_OBJ((struct garbagelist *)"+localsprefixaddr+",(struct ___Object___ *)"+dst+");");
2898 output.println("COPY_OBJ("+dst+");");
2899 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2900 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2901 output.println("}");
2903 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst())+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex())+"]="+generateTemp(fm,fsen.getSrc())+";");
2907 protected void generateFlatNew(FlatMethod fm, FlatNew fn, PrintWriter output) {
2908 String dst=generateTemp(fm,fn.getDst());
2910 if (fn.getType().isArray()) {
2911 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
2912 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2913 output.println(generateTemp(fm,fn.getDst())+"=allocate_newarray("+localsprefixaddr+", "+arrayid+", "+generateTemp(fm, fn.getSize())+");");
2915 output.println(generateTemp(fm,fn.getDst())+"=allocate_newarray("+arrayid+", "+generateTemp(fm, fn.getSize())+");");
2918 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2919 output.println(generateTemp(fm,fn.getDst())+"=allocate_new("+localsprefixaddr+", "+fn.getType().getClassDesc().getId()+");");
2921 output.println(generateTemp(fm,fn.getDst())+"=allocate_new("+fn.getType().getClassDesc().getId()+");");
2924 if (state.FASTCHECK) {
2925 output.println(dst+"->___localcopy___=(struct ___Object___*)1;");
2926 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2927 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2930 for(BuildCodeExtension bcx: extensions) {
2931 bcx.additionalCodeNewObject(output, dst, fn);
2935 protected void generateFlatTagDeclaration(FlatMethod fm, FlatTagDeclaration fn, PrintWriter output) {
2936 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2937 output.println(generateTemp(fm,fn.getDst())+"=allocate_tag("+localsprefixaddr+", "+state.getTagId(fn.getType())+");");
2939 output.println(generateTemp(fm,fn.getDst())+"=allocate_tag("+state.getTagId(fn.getType())+");");
2943 protected void generateFlatOpNode(FlatMethod fm, FlatOpNode fon, PrintWriter output) {
2944 if (fon.getRight()!=null) {
2945 if (fon.getOp().getOp()==Operation.URIGHTSHIFT) {
2946 if (fon.getLeft().getType().isLong())
2947 output.println(generateTemp(fm, fon.getDest())+" = ((unsigned long long)"+generateTemp(fm, fon.getLeft())+")>>"+generateTemp(fm,fon.getRight())+";");
2949 output.println(generateTemp(fm, fon.getDest())+" = ((unsigned int)"+generateTemp(fm, fon.getLeft())+")>>"+generateTemp(fm,fon.getRight())+";");
2952 if (fon.getLeft().getType().isPtr()&&fon.getLeft().getType()!=fon.getRight().getType()&&!fon.getRight().getType().isNull())
2953 output.println(generateTemp(fm, fon.getDest())+" = (struct "+fon.getRight().getType().getSafeSymbol()+"*)"+generateTemp(fm, fon.getLeft())+fon.getOp().toString()+generateTemp(fm,fon.getRight())+";");
2955 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+fon.getOp().toString()+generateTemp(fm,fon.getRight())+";");
2957 } else if (fon.getOp().getOp()==Operation.ASSIGN)
2958 if (fon.getDest().getType().isPtr()&&fon.getDest().getType()!=fon.getLeft().getType())
2959 output.println(generateTemp(fm, fon.getDest())+" = (struct "+fon.getDest().getType().getSafeSymbol()+"*)"+generateTemp(fm, fon.getLeft())+";");
2961 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+";");
2962 else if (fon.getOp().getOp()==Operation.UNARYPLUS)
2963 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+";");
2964 else if (fon.getOp().getOp()==Operation.UNARYMINUS)
2965 output.println(generateTemp(fm, fon.getDest())+" = -"+generateTemp(fm, fon.getLeft())+";");
2966 else if (fon.getOp().getOp()==Operation.LOGIC_NOT)
2967 output.println(generateTemp(fm, fon.getDest())+" = !"+generateTemp(fm, fon.getLeft())+";");
2968 else if (fon.getOp().getOp()==Operation.COMP)
2969 output.println(generateTemp(fm, fon.getDest())+" = ~"+generateTemp(fm, fon.getLeft())+";");
2970 else if (fon.getOp().getOp()==Operation.ISAVAILABLE) {
2971 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+"->fses==NULL;");
2973 output.println(generateTemp(fm, fon.getDest())+fon.getOp().toString()+generateTemp(fm, fon.getLeft())+";");
2976 protected void generateFlatCastNode(FlatMethod fm, FlatCastNode fcn, PrintWriter output) {
2977 /* TODO: Do type check here */
2978 if (fcn.getType().isArray()) {
2979 output.println(generateTemp(fm,fcn.getDst())+"=(struct ArrayObject *)"+generateTemp(fm,fcn.getSrc())+";");
2980 } else if (fcn.getType().isClass() && fcn.getType().getClassDesc().isEnum()) {
2981 output.println(generateTemp(fm,fcn.getDst())+"=(int)"+generateTemp(fm,fcn.getSrc())+";");
2982 } else if (fcn.getType().isClass())
2983 output.println(generateTemp(fm,fcn.getDst())+"=(struct "+fcn.getType().getSafeSymbol()+" *)"+generateTemp(fm,fcn.getSrc())+";");
2985 output.println(generateTemp(fm,fcn.getDst())+"=("+fcn.getType().getSafeSymbol()+")"+generateTemp(fm,fcn.getSrc())+";");
2990 protected void generateFlatLiteralNode(FlatMethod fm, FlatLiteralNode fln, PrintWriter output) {
2991 if (fln.getValue()==null)
2992 output.println(generateTemp(fm, fln.getDst())+"=0;");
2993 else if (fln.getType().getSymbol().equals(TypeUtil.StringClass)) {
2994 String str=(String)fln.getValue();
2995 output.println("{");
2996 output.print("short str"+flncount+"[]={");
2997 for(int i=0; i<str.length(); i++) {
3000 output.print(((int)str.charAt(i)));
3002 output.println("};");
3003 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
3004 output.println(generateTemp(fm, fln.getDst())+"=NewStringShort("+localsprefixaddr+", str"+flncount+", "+((String)fln.getValue()).length()+");");
3006 output.println(generateTemp(fm, fln.getDst())+"=NewStringShort(str"+flncount+" ,"+((String)fln.getValue()).length()+");");
3009 for(BuildCodeExtension bcx: extensions) {
3010 bcx.additionalCodeNewStringLiteral(output, generateTemp(fm, fln.getDst()));
3013 output.println("}");
3015 } else if (fln.getType().isBoolean()) {
3016 if (((Boolean)fln.getValue()).booleanValue())
3017 output.println(generateTemp(fm, fln.getDst())+"=1;");
3019 output.println(generateTemp(fm, fln.getDst())+"=0;");
3020 } else if (fln.getType().isChar()) {
3021 int val=(int)(((Character)fln.getValue()).charValue());
3022 output.println(generateTemp(fm, fln.getDst())+"="+val+";");
3023 } else if (fln.getType().isLong()) {
3024 output.println(generateTemp(fm, fln.getDst())+"="+fln.getValue()+"LL;");
3026 output.println(generateTemp(fm, fln.getDst())+"="+fln.getValue()+";");
3029 protected void generateFlatReturnNode(FlatMethod fm, FlatReturnNode frn, PrintWriter output) {
3030 if((fm.getMethod() != null) && (fm.getMethod().isStaticBlock())) {
3031 // a static block, check if it has been executed
3032 output.println(" global_defsprim_p->" + fm.getMethod().getClassDesc().getSafeSymbol()+"static_block_exe_flag = 1;");
3036 if (frn.getReturnTemp()!=null) {
3037 if (frn.getReturnTemp().getType().isPtr())
3038 output.println("return (struct "+fm.getMethod().getReturnType().getSafeSymbol()+"*)"+generateTemp(fm, frn.getReturnTemp())+";");
3040 output.println("return "+generateTemp(fm, frn.getReturnTemp())+";");
3042 output.println("return;");
3046 protected void generateFlatCondBranch(FlatMethod fm, FlatCondBranch fcb, String label, PrintWriter output) {
3047 output.println("if (!"+generateTemp(fm, fcb.getTest())+") goto "+label+";");
3050 /** This method generates header information for the method or
3051 * task referenced by the Descriptor des. */
3052 protected void generateHeader(FlatMethod fm, Descriptor des, PrintWriter output) {
3053 generateHeader(fm, des, output, false);
3056 protected void generateHeader(FlatMethod fm, Descriptor des, PrintWriter output, boolean addSESErecord) {
3058 ParamsObject objectparams=(ParamsObject)paramstable.get(des);
3059 MethodDescriptor md=null;
3060 TaskDescriptor task=null;
3061 if (des instanceof MethodDescriptor)
3062 md=(MethodDescriptor) des;
3064 task=(TaskDescriptor) des;
3065 String mdstring = md != null?md.getSafeMethodDescriptor():null;
3067 ClassDescriptor cn=md!=null?md.getClassDesc():null;
3069 if (md!=null&&md.getReturnType()!=null) {
3070 if (md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
3071 output.print("int ");
3072 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
3073 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
3075 output.print(md.getReturnType().getSafeSymbol()+" ");
3077 //catch the constructor case
3078 output.print("void ");
3080 if(mgcstaticinit && !md.isStaticBlock() && !md.getModifiers().isNative()) {
3081 mdstring += "staticinit";
3083 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"(");
3085 output.print(task.getSafeSymbol()+"(");
3087 boolean printcomma=false;
3088 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
3090 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params * "+paramsprefix);
3092 output.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
3098 for(int i=0; i<objectparams.numPrimitives(); i++) {
3099 TempDescriptor temp=objectparams.getPrimitive(i);
3103 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
3104 output.print("int " + temp.getSafeSymbol());
3105 } else if (temp.getType().isClass()||temp.getType().isArray())
3106 output.print("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
3108 output.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
3110 output.println(") {");
3111 } else if (!GENERATEPRECISEGC && !this.state.MULTICOREGC) {
3112 /* Imprecise Task */
3113 output.println("void * parameterarray[]) {");
3114 /* Unpack variables */
3115 for(int i=0; i<objectparams.numPrimitives(); i++) {
3116 TempDescriptor temp=objectparams.getPrimitive(i);
3117 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
3118 output.print("int " + temp.getSafeSymbol() + "=parameterarray["+i+"];");
3120 output.println("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+"=parameterarray["+i+"];");
3123 for(int i=0; i<fm.numTags(); i++) {
3124 TempDescriptor temp=fm.getTag(i);
3125 int offset=i+objectparams.numPrimitives();
3126 output.println("struct ___TagDescriptor___ * "+temp.getSafeSymbol()+"=parameterarray["+offset+"];");
3129 if ((objectparams.numPrimitives()+fm.numTags())>maxtaskparams)
3130 maxtaskparams=objectparams.numPrimitives()+fm.numTags();
3131 } else output.println(") {");
3134 public void generateFlatFlagActionNode(FlatMethod fm, FlatFlagActionNode ffan, PrintWriter output) {
3135 output.println("/* FlatFlagActionNode */");
3138 /* Process tag changes */
3139 Relation tagsettable=new Relation();
3140 Relation tagcleartable=new Relation();
3142 Iterator tagsit=ffan.getTempTagPairs();
3143 while (tagsit.hasNext()) {
3144 TempTagPair ttp=(TempTagPair) tagsit.next();
3145 TempDescriptor objtmp=ttp.getTemp();
3146 TagDescriptor tag=ttp.getTag();
3147 TempDescriptor tagtmp=ttp.getTagTemp();
3148 boolean tagstatus=ffan.getTagChange(ttp);
3150 tagsettable.put(objtmp, tagtmp);
3152 tagcleartable.put(objtmp, tagtmp);
3157 Hashtable flagandtable=new Hashtable();
3158 Hashtable flagortable=new Hashtable();
3160 /* Process flag changes */
3161 Iterator flagsit=ffan.getTempFlagPairs();
3162 while(flagsit.hasNext()) {
3163 TempFlagPair tfp=(TempFlagPair)flagsit.next();
3164 TempDescriptor temp=tfp.getTemp();
3165 Hashtable flagtable=(Hashtable)flagorder.get(temp.getType().getClassDesc());
3166 FlagDescriptor flag=tfp.getFlag();
3168 //Newly allocate objects that don't set any flags case
3169 if (flagortable.containsKey(temp)) {
3173 flagortable.put(temp,new Integer(mask));
3175 int flagid=1<<((Integer)flagtable.get(flag)).intValue();
3176 boolean flagstatus=ffan.getFlagChange(tfp);
3179 if (flagortable.containsKey(temp)) {
3180 mask=((Integer)flagortable.get(temp)).intValue();
3183 flagortable.put(temp,new Integer(mask));
3185 int mask=0xFFFFFFFF;
3186 if (flagandtable.containsKey(temp)) {
3187 mask=((Integer)flagandtable.get(temp)).intValue();
3189 mask&=(0xFFFFFFFF^flagid);
3190 flagandtable.put(temp,new Integer(mask));
3196 HashSet flagtagset=new HashSet();
3197 flagtagset.addAll(flagortable.keySet());
3198 flagtagset.addAll(flagandtable.keySet());
3199 flagtagset.addAll(tagsettable.keySet());
3200 flagtagset.addAll(tagcleartable.keySet());
3202 Iterator ftit=flagtagset.iterator();
3203 while(ftit.hasNext()) {
3204 TempDescriptor temp=(TempDescriptor)ftit.next();
3207 Set tagtmps=tagcleartable.get(temp);
3208 if (tagtmps!=null) {
3209 Iterator tagit=tagtmps.iterator();
3210 while(tagit.hasNext()) {
3211 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
3212 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC))
3213 output.println("tagclear("+localsprefixaddr+", (struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
3215 output.println("tagclear((struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
3219 tagtmps=tagsettable.get(temp);
3220 if (tagtmps!=null) {
3221 Iterator tagit=tagtmps.iterator();
3222 while(tagit.hasNext()) {
3223 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
3224 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC))
3225 output.println("tagset("+localsprefixaddr+", (struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
3227 output.println("tagset((struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
3232 int andmask=0xFFFFFFF;
3234 if (flagortable.containsKey(temp))
3235 ormask=((Integer)flagortable.get(temp)).intValue();
3236 if (flagandtable.containsKey(temp))
3237 andmask=((Integer)flagandtable.get(temp)).intValue();
3238 generateFlagOrAnd(ffan, fm, temp, output, ormask, andmask);
3239 generateObjectDistribute(ffan, fm, temp, output);
3243 protected void generateFlagOrAnd(FlatFlagActionNode ffan, FlatMethod fm, TempDescriptor temp,
3244 PrintWriter output, int ormask, int andmask) {
3245 if (ffan.getTaskType()==FlatFlagActionNode.NEWOBJECT) {
3246 output.println("flagorandinit("+generateTemp(fm, temp)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
3248 output.println("flagorand("+generateTemp(fm, temp)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
3252 protected void generateObjectDistribute(FlatFlagActionNode ffan, FlatMethod fm, TempDescriptor temp, PrintWriter output) {
3253 output.println("enqueueObject("+generateTemp(fm, temp)+");");
3256 void generateOptionalHeader(PrintWriter headers) {
3259 headers.println("#include \"task.h\"\n\n");
3260 headers.println("#ifndef _OPTIONAL_STRUCT_");
3261 headers.println("#define _OPTIONAL_STRUCT_");
3263 //STRUCT PREDICATEMEMBER
3264 headers.println("struct predicatemember{");
3265 headers.println("int type;");
3266 headers.println("int numdnfterms;");
3267 headers.println("int * flags;");
3268 headers.println("int numtags;");
3269 headers.println("int * tags;\n};\n\n");
3271 //STRUCT OPTIONALTASKDESCRIPTOR
3272 headers.println("struct optionaltaskdescriptor{");
3273 headers.println("struct taskdescriptor * task;");
3274 headers.println("int index;");
3275 headers.println("int numenterflags;");
3276 headers.println("int * enterflags;");
3277 headers.println("int numpredicatemembers;");
3278 headers.println("struct predicatemember ** predicatememberarray;");
3279 headers.println("};\n\n");
3281 //STRUCT TASKFAILURE
3282 headers.println("struct taskfailure {");
3283 headers.println("struct taskdescriptor * task;");
3284 headers.println("int index;");
3285 headers.println("int numoptionaltaskdescriptors;");
3286 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
3288 //STRUCT FSANALYSISWRAPPER
3289 headers.println("struct fsanalysiswrapper{");
3290 headers.println("int flags;");
3291 headers.println("int numtags;");
3292 headers.println("int * tags;");
3293 headers.println("int numtaskfailures;");
3294 headers.println("struct taskfailure ** taskfailurearray;");
3295 headers.println("int numoptionaltaskdescriptors;");
3296 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
3298 //STRUCT CLASSANALYSISWRAPPER
3299 headers.println("struct classanalysiswrapper{");
3300 headers.println("int type;");
3301 headers.println("int numotd;");
3302 headers.println("struct optionaltaskdescriptor ** otdarray;");
3303 headers.println("int numfsanalysiswrappers;");
3304 headers.println("struct fsanalysiswrapper ** fsanalysiswrapperarray;\n};");
3306 headers.println("extern struct classanalysiswrapper * classanalysiswrapperarray[];");
3308 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
3309 while(taskit.hasNext()) {
3310 TaskDescriptor td=(TaskDescriptor)taskit.next();
3311 headers.println("extern struct taskdescriptor task_"+td.getSafeSymbol()+";");
3316 //CHECK OVER THIS -- THERE COULD BE SOME ERRORS HERE
3317 int generateOptionalPredicate(Predicate predicate, OptionalTaskDescriptor otd, ClassDescriptor cdtemp, PrintWriter output) {
3318 int predicateindex = 0;
3319 //iterate through the classes concerned by the predicate
3320 Set c_vard = predicate.vardescriptors;
3321 Hashtable<TempDescriptor, Integer> slotnumber=new Hashtable<TempDescriptor, Integer>();
3324 for(Iterator vard_it = c_vard.iterator(); vard_it.hasNext(); ) {
3325 VarDescriptor vard = (VarDescriptor)vard_it.next();
3326 TypeDescriptor typed = vard.getType();
3328 //generate for flags
3329 HashSet fen_hashset = predicate.flags.get(vard.getSymbol());
3330 output.println("int predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3332 if (fen_hashset!=null) {
3333 for (Iterator fen_it = fen_hashset.iterator(); fen_it.hasNext(); ) {
3334 FlagExpressionNode fen = (FlagExpressionNode)fen_it.next();
3336 DNFFlag dflag=fen.getDNF();
3337 numberterms+=dflag.size();
3339 Hashtable flags=(Hashtable)flagorder.get(typed.getClassDesc());
3341 for(int j=0; j<dflag.size(); j++) {
3343 output.println(",");
3344 Vector term=dflag.get(j);
3347 for(int k=0; k<term.size(); k++) {
3348 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
3349 FlagDescriptor fd=dfa.getFlag();
3350 boolean negated=dfa.getNegated();
3351 int flagid=1<<((Integer)flags.get(fd)).intValue();
3356 output.print("/*andmask*/0x"+Integer.toHexString(andmask)+", /*checkmask*/0x"+Integer.toHexString(checkmask));
3361 output.println("};\n");
3364 TagExpressionList tagel = predicate.tags.get(vard.getSymbol());
3365 output.println("int predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3368 for(int j=0; j<tagel.numTags(); j++) {
3370 output.println(",");
3371 TempDescriptor tmp=tagel.getTemp(j);
3372 if (!slotnumber.containsKey(tmp)) {
3373 Integer slotint=new Integer(current_slot++);
3374 slotnumber.put(tmp,slotint);
3376 int slot=slotnumber.get(tmp).intValue();
3377 output.println("/* slot */"+ slot+", /*tagid*/"+state.getTagId(tmp.getTag()));
3379 numtags = tagel.numTags();
3381 output.println("};");
3383 //store the result into a predicatemember struct
3384 output.println("struct predicatemember predicatemember_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
3385 output.println("/*type*/"+typed.getClassDesc().getId()+",");
3386 output.println("/* number of dnf terms */"+numberterms+",");
3387 output.println("predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3388 output.println("/* number of tag */"+numtags+",");
3389 output.println("predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3390 output.println("};\n");
3395 //generate an array that stores the entire predicate
3396 output.println("struct predicatemember * predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3397 for( int j = 0; j<predicateindex; j++) {
3398 if( j != predicateindex-1) output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3399 else output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3401 output.println("};\n");
3402 return predicateindex;
3406 void generateOptionalArrays(PrintWriter output, PrintWriter headers, Hashtable<ClassDescriptor, Hashtable<FlagState, Set<OptionalTaskDescriptor>>> safeexecution, Hashtable optionaltaskdescriptors) {
3407 generateOptionalHeader(headers);
3409 output.println("#include \"optionalstruct.h\"\n\n");
3410 output.println("#include \"stdlib.h\"\n");
3412 HashSet processedcd = new HashSet();
3414 Enumeration e = safeexecution.keys();
3415 while (e.hasMoreElements()) {
3418 ClassDescriptor cdtemp=(ClassDescriptor)e.nextElement();
3419 Hashtable flaginfo=(Hashtable)flagorder.get(cdtemp); //will be used several times
3421 //Generate the struct of optionals
3422 Collection c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
3423 numotd = c_otd.size();
3424 if(maxotd<numotd) maxotd = numotd;
3425 if( !c_otd.isEmpty() ) {
3426 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext(); ) {
3427 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
3429 //generate the int arrays for the predicate
3430 Predicate predicate = otd.predicate;
3431 int predicateindex = generateOptionalPredicate(predicate, otd, cdtemp, output);
3432 TreeSet<Integer> fsset=new TreeSet<Integer>();
3433 //iterate through possible FSes corresponding to
3434 //the state when entering
3436 for(Iterator fses = otd.enterflagstates.iterator(); fses.hasNext(); ) {
3437 FlagState fs = (FlagState)fses.next();
3439 for(Iterator flags = fs.getFlags(); flags.hasNext(); ) {
3440 FlagDescriptor flagd = (FlagDescriptor)flags.next();
3441 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
3444 fsset.add(new Integer(flagid));
3445 //tag information not needed because tag
3446 //changes are not tolerated.
3449 output.println("int enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3450 boolean needcomma=false;
3451 for(Iterator<Integer> it=fsset.iterator(); it.hasNext(); ) {
3454 output.println(it.next());
3457 output.println("};\n");
3460 //generate optionaltaskdescriptor that actually
3461 //includes exit fses, predicate and the task
3463 output.println("struct optionaltaskdescriptor optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
3464 output.println("&task_"+otd.td.getSafeSymbol()+",");
3465 output.println("/*index*/"+otd.getIndex()+",");
3466 output.println("/*number of enter flags*/"+fsset.size()+",");
3467 output.println("enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3468 output.println("/*number of members */"+predicateindex+",");
3469 output.println("predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3470 output.println("};\n");
3474 // if there are no optionals, there is no need to build the rest of the struct
3476 output.println("struct optionaltaskdescriptor * otdarray"+cdtemp.getSafeSymbol()+"[]={");
3477 c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
3478 if( !c_otd.isEmpty() ) {
3479 boolean needcomma=false;
3480 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext(); ) {
3481 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
3483 output.println(",");
3485 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3488 output.println("};\n");
3490 //get all the possible flagstates reachable by an object
3491 Hashtable hashtbtemp = safeexecution.get(cdtemp);
3493 TreeSet fsts=new TreeSet(new FlagComparator(flaginfo));
3494 fsts.addAll(hashtbtemp.keySet());
3495 for(Iterator fsit=fsts.iterator(); fsit.hasNext(); ) {
3496 FlagState fs = (FlagState)fsit.next();
3499 //get the set of OptionalTaskDescriptors corresponding
3500 HashSet<OptionalTaskDescriptor> availabletasks = (HashSet<OptionalTaskDescriptor>)hashtbtemp.get(fs);
3501 //iterate through the OptionalTaskDescriptors and
3502 //store the pointers to the optionals struct (see on
3503 //top) into an array
3505 output.println("struct optionaltaskdescriptor * optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[] = {");
3506 for(Iterator<OptionalTaskDescriptor> mos = ordertd(availabletasks).iterator(); mos.hasNext(); ) {
3507 OptionalTaskDescriptor mm = mos.next();
3509 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol());
3511 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3514 output.println("};\n");
3516 //process flag information (what the flag after failure is) so we know what optionaltaskdescriptors to choose.
3519 for(Iterator flags = fs.getFlags(); flags.hasNext(); ) {
3520 FlagDescriptor flagd = (FlagDescriptor)flags.next();
3521 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
3525 //process tag information
3528 boolean first = true;
3529 Enumeration tag_enum = fs.getTags();
3530 output.println("int tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
3531 while(tag_enum.hasMoreElements()) {
3533 TagDescriptor tagd = (TagDescriptor)tag_enum.nextElement();
3537 output.println(", ");
3538 output.println("/*tagid*/"+state.getTagId(tagd));
3540 output.println("};");
3542 Set<TaskIndex> tiset=sa.getTaskIndex(fs);
3543 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext(); ) {
3544 TaskIndex ti=itti.next();
3548 Set<OptionalTaskDescriptor> otdset=sa.getOptions(fs, ti);
3550 output.print("struct optionaltaskdescriptor * optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array[] = {");
3551 boolean needcomma=false;
3552 for(Iterator<OptionalTaskDescriptor> otdit=ordertd(otdset).iterator(); otdit.hasNext(); ) {
3553 OptionalTaskDescriptor otd=otdit.next();
3557 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3559 output.println("};");
3561 output.print("struct taskfailure taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+" = {");
3562 output.print("&task_"+ti.getTask().getSafeSymbol()+", ");
3563 output.print(ti.getIndex()+", ");
3564 output.print(otdset.size()+", ");
3565 output.print("optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array");
3566 output.println("};");
3569 tiset=sa.getTaskIndex(fs);
3570 boolean needcomma=false;
3572 output.println("struct taskfailure * taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
3573 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext(); ) {
3574 TaskIndex ti=itti.next();
3575 if (ti.isRuntime()) {
3582 output.print("&taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex());
3584 output.println("};\n");
3586 //Store the result in fsanalysiswrapper
3588 output.println("struct fsanalysiswrapper fsanalysiswrapper_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"={");
3589 output.println("/*flag*/"+flagid+",");
3590 output.println("/* number of tags*/"+tagcounter+",");
3591 output.println("tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
3592 output.println("/* numtask failures */"+(tiset.size()-runtimeti)+",");
3593 output.println("taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
3594 output.println("/* number of optionaltaskdescriptors */"+availabletasks.size()+",");
3595 output.println("optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol());
3596 output.println("};\n");
3600 //Build the array of fsanalysiswrappers
3601 output.println("struct fsanalysiswrapper * fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"[] = {");
3602 boolean needcomma=false;
3603 for(int i = 0; i<fscounter; i++) {
3604 if (needcomma) output.print(",");
3605 output.println("&fsanalysiswrapper_FS"+(i+1)+"_"+cdtemp.getSafeSymbol());
3608 output.println("};");
3610 //Build the classanalysiswrapper referring to the previous array
3611 output.println("struct classanalysiswrapper classanalysiswrapper_"+cdtemp.getSafeSymbol()+"={");
3612 output.println("/*type*/"+cdtemp.getId()+",");
3613 output.println("/*numotd*/"+numotd+",");
3614 output.println("otdarray"+cdtemp.getSafeSymbol()+",");
3615 output.println("/* number of fsanalysiswrappers */"+fscounter+",");
3616 output.println("fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"};\n");
3617 processedcd.add(cdtemp);
3620 //build an array containing every classes for which code has been build
3621 output.println("struct classanalysiswrapper * classanalysiswrapperarray[]={");
3622 for(int i=0; i<state.numClasses(); i++) {
3623 ClassDescriptor cn=cdarray[i];
3626 if ((cn != null) && (processedcd.contains(cn)))
3627 output.print("&classanalysiswrapper_"+cn.getSafeSymbol());
3629 output.print("NULL");
3631 output.println("};");
3633 output.println("#define MAXOTD "+maxotd);
3634 headers.println("#endif");
3637 public List<OptionalTaskDescriptor> ordertd(Set<OptionalTaskDescriptor> otdset) {
3638 Relation r=new Relation();
3639 for(Iterator<OptionalTaskDescriptor>otdit=otdset.iterator(); otdit.hasNext(); ) {
3640 OptionalTaskDescriptor otd=otdit.next();
3641 TaskIndex ti=new TaskIndex(otd.td, otd.getIndex());
3645 LinkedList<OptionalTaskDescriptor> l=new LinkedList<OptionalTaskDescriptor>();
3646 for(Iterator it=r.keySet().iterator(); it.hasNext(); ) {
3647 Set s=r.get(it.next());
3648 for(Iterator it2=s.iterator(); it2.hasNext(); ) {
3649 OptionalTaskDescriptor otd=(OptionalTaskDescriptor)it2.next();
3659 // either create and register an extension object with buildcode
3660 // or look at the following option of subclassing BuildCode
3661 private Vector<BuildCodeExtension> extensions;
3663 // note that extensions are invoked in the order they are added
3665 public void registerExtension( BuildCodeExtension bcx ) {
3666 extensions.add( bcx );
3670 // override these methods in a subclass of BuildCode
3671 // to generate code for additional systems
3672 protected void printExtraArrayFields(PrintWriter outclassdefs) {
3674 protected void outputTransCode(PrintWriter output) {
3676 protected void buildCodeSetup() {
3678 protected void generateSizeArrayExtensions(PrintWriter outclassdefs) {
3680 protected void additionalIncludesMethodsHeader(PrintWriter outmethodheader) {
3682 protected void preCodeGenInitialization() {
3684 protected void postCodeGenCleanUp() {
3686 protected void additionalCodeGen(PrintWriter outmethodheader,
3687 PrintWriter outstructs,
3688 PrintWriter outmethod) {
3690 protected void additionalCodeAtTopOfMain(PrintWriter outmethod) {
3692 protected void additionalCodeForCommandLineArgs(PrintWriter outmethod, String argsVar) {
3694 protected void additionalCodeAtBottomOfMain(PrintWriter outmethod) {
3696 protected void additionalIncludesMethodsImplementation(PrintWriter outmethod) {
3698 protected void additionalIncludesStructsHeader(PrintWriter outstructs) {
3700 protected void additionalClassObjectFields(PrintWriter outclassdefs) {
3702 protected void additionalCodeAtTopMethodsImplementation(PrintWriter outmethod) {
3704 protected void additionalCodeAtTopFlatMethodBody(PrintWriter output, FlatMethod fm) {
3706 protected void additionalCodePreNode(FlatMethod fm, FlatNode fn, PrintWriter output) {
3708 protected void additionalCodePostNode(FlatMethod fm, FlatNode fn, PrintWriter output) {
3711 private void printSourceLineNumber(FlatMethod fm, FlatNode fn, PrintWriter output) {
3712 // we do not print out line number if no one explicitly set the number
3713 if(fn.getNumLine()!=-1) {
3715 int lineNum=fn.getNumLine();
3717 // do not generate the line number if it is same as the previous one
3718 boolean needtoprint;
3719 if(fn.prev.size()==0) {
3725 for(int i=0; i<fn.prev.size(); i++) {
3726 int prevLineNum=((FlatNode)fn.prev.get(i)).getNumLine();
3727 if(prevLineNum!=lineNum) {
3733 output.println("// "+fm.getMethod().getClassDesc().getSourceFileName()+":"+fn.getNumLine());