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 ClassDescriptor stringclass=typeutil.getClass(TypeUtil.StringClass);
418 String stringclassstring="struct "+stringclass.getSafeSymbol();
420 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
421 outmethod.println(" "+stringclassstring+" *newstring=NewString(NULL, argv[i], length);");
423 outmethod.println(" "+stringclassstring+" *newstring=NewString(argv[i], length);");
425 outmethod.println(" ((void **)(((char *)& stringarray->___length___)+sizeof(int)))[i-1]=newstring;");
426 outmethod.println(" }");
429 additionalCodeForCommandLineArgs(outmethod, "stringarray");
430 for(BuildCodeExtension bcx: extensions) {
431 bcx.additionalCodeForCommandLineArgs(outmethod, "stringarray");
435 MethodDescriptor md=typeutil.getMain();
436 ClassDescriptor cd=typeutil.getMainClass();
438 outmethod.println(" {");
439 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
440 outmethod.print(" struct "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
441 outmethod.println("1, NULL,"+"stringarray};");
442 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
444 outmethod.println(" "+cd.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(stringarray);");
446 outmethod.println(" }");
449 outmethod.println("pthread_mutex_lock(&gclistlock);");
450 outmethod.println("threadcount--;");
451 outmethod.println("pthread_cond_signal(&gccond);");
452 outmethod.println("pthread_mutex_unlock(&gclistlock);");
455 if (state.EVENTMONITOR) {
456 outmethod.println("dumpdata();");
460 outmethod.println("pthread_exit(NULL);");
463 additionalCodeAtBottomOfMain(outmethod);
464 for(BuildCodeExtension bcx: extensions) {
465 bcx.additionalCodeAtBottomOfMain(outmethod);
469 outmethod.println("}");
472 /* This method outputs code for each task. */
474 protected void outputTaskCode(PrintWriter outtaskdefs, PrintWriter outmethod) {
475 /* Compile task based program */
476 outtaskdefs.println("#include \"task.h\"");
477 outtaskdefs.println("#include \"methodheaders.h\"");
478 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
479 while(taskit.hasNext()) {
480 TaskDescriptor td=(TaskDescriptor)taskit.next();
481 FlatMethod fm=state.getMethodFlat(td);
483 generateFlatMethod(fm, outmethod);
484 generateTaskDescriptor(outtaskdefs, fm, td);
487 //Output task descriptors
488 taskit=state.getTaskSymbolTable().getDescriptorsIterator();
489 outtaskdefs.println("struct taskdescriptor * taskarray[]= {");
491 while(taskit.hasNext()) {
492 TaskDescriptor td=(TaskDescriptor)taskit.next();
496 outtaskdefs.println(",");
497 outtaskdefs.print("&task_"+td.getSafeSymbol());
499 outtaskdefs.println("};");
501 outtaskdefs.println("int numtasks="+state.getTaskSymbolTable().getValueSet().size()+";");
505 /* This method outputs most of the methods.c file. This includes
506 * some standard includes and then an array with the sizes of
507 * objets and array that stores supertype and then the code for
508 * the Java methods.. */
509 protected void outputMethods(PrintWriter outmethod) {
510 outmethod.println("#include \"methodheaders.h\"");
511 outmethod.println("#include \"virtualtable.h\"");
512 outmethod.println("#include \"runtime.h\"");
514 outmethod.println("#include \"jni-private.h\"");
517 // always include: compiler directives will leave out
518 // instrumentation when option is not set
519 if(!state.MULTICORE) {
520 outmethod.println("#include \"coreprof/coreprof.h\"");
523 if (state.FASTCHECK) {
524 outmethod.println("#include \"localobjects.h\"");
526 if(state.MULTICORE) {
528 outmethod.println("#include \"task.h\"");
530 outmethod.println("#include \"multicoreruntime.h\"");
531 outmethod.println("#include \"runtime_arch.h\"");
533 if (state.THREAD||state.DSM||state.SINGLETM) {
534 outmethod.println("#include <thread.h>");
537 outmethod.println("#include \"thread.h\"");
539 if (state.main!=null) {
540 outmethod.println("#include <string.h>");
542 if (state.CONSCHECK) {
543 outmethod.println("#include \"checkers.h\"");
546 additionalIncludesMethodsImplementation(outmethod);
547 for(BuildCodeExtension bcx: extensions) {
548 bcx.additionalIncludesMethodsImplementation(outmethod);
551 outmethod.println("struct global_defs_t * global_defs_p;");
552 outmethod.println("struct global_defsprim_t * global_defsprim_p;");
553 //Store the sizes of classes & array elements
554 generateSizeArray(outmethod);
556 //Store table of supertypes
557 generateSuperTypeTable(outmethod);
559 //Store the layout of classes
560 generateLayoutStructs(outmethod);
563 additionalCodeAtTopMethodsImplementation(outmethod);
564 for(BuildCodeExtension bcx: extensions) {
565 bcx.additionalCodeAtTopMethodsImplementation(outmethod);
569 generateMethods(outmethod);
572 protected void generateMethods(PrintWriter outmethod) {
573 /* Generate code for methods */
574 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
575 while(classit.hasNext()) {
576 ClassDescriptor cn=(ClassDescriptor)classit.next();
577 Iterator methodit=cn.getMethods();
578 while(methodit.hasNext()) {
579 /* Classify parameters */
580 MethodDescriptor md=(MethodDescriptor)methodit.next();
581 if (!callgraph.isCallable(md)&&(!md.isStaticBlock()||!callgraph.isInit(cn))) {
585 FlatMethod fm=state.getMethodFlat(md);
586 if (!md.getModifiers().isNative()) {
587 generateFlatMethod(fm, outmethod);
588 } else if (state.JNI) {
589 generateNativeFlatMethod(fm, outmethod);
595 protected void outputStructs(PrintWriter outstructs) {
596 outstructs.println("#ifndef __STRUCTDEFS_H__");
597 outstructs.println("#define __STRUCTDEFS_H__");
598 outstructs.println("#include \"classdefs.h\"");
599 outstructs.println("#ifndef INTPTR");
600 outstructs.println("#ifdef BIT64");
601 outstructs.println("#define INTPTR long");
602 outstructs.println("#else");
603 outstructs.println("#define INTPTR int");
604 outstructs.println("#endif");
605 outstructs.println("#endif");
608 additionalIncludesStructsHeader(outstructs);
609 for(BuildCodeExtension bcx: extensions) {
610 bcx.additionalIncludesStructsHeader(outstructs);
614 /* Output #defines that the runtime uses to determine type
615 * numbers for various objects it needs */
616 outstructs.println("#define MAXCOUNT "+maxcount);
618 outstructs.println("#define STRINGARRAYTYPE "+
619 (state.getArrayNumber(
620 (new TypeDescriptor(typeutil.getClass(TypeUtil.StringClass))).makeArray(state))+state.numClasses()));
622 outstructs.println("#define OBJECTARRAYTYPE "+
623 (state.getArrayNumber(
624 (new TypeDescriptor(typeutil.getClass(TypeUtil.ObjectClass))).makeArray(state))+state.numClasses()));
627 outstructs.println("#define STRINGTYPE "+typeutil.getClass(TypeUtil.StringClass).getId());
628 outstructs.println("#define OBJECTTYPE "+typeutil.getClass(TypeUtil.ObjectClass).getId());
629 outstructs.println("#define CHARARRAYTYPE "+
630 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.CHAR)).makeArray(state))+state.numClasses()));
632 outstructs.println("#define BYTEARRAYTYPE "+
633 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state))+state.numClasses()));
635 outstructs.println("#define BYTEARRAYARRAYTYPE "+
636 (state.getArrayNumber((new TypeDescriptor(TypeDescriptor.BYTE)).makeArray(state).makeArray(state))+state.numClasses()));
638 outstructs.println("#define NUMCLASSES "+state.numClasses());
639 int totalClassSize = state.numClasses() + state.numArrays() + state.numInterfaces();
640 outstructs.println("#define TOTALNUMCLASSANDARRAY "+ totalClassSize);
642 outstructs.println("#define STARTUPTYPE "+typeutil.getClass(TypeUtil.StartupClass).getId());
643 outstructs.println("#define TAGTYPE "+typeutil.getClass(TypeUtil.TagClass).getId());
644 outstructs.println("#define TAGARRAYTYPE "+
645 (state.getArrayNumber(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass)).makeArray(state))+state.numClasses()));
649 protected void outputClassDeclarations(PrintWriter outclassdefs, PrintWriter outglobaldefs, PrintWriter outglobaldefsprim) {
650 if (state.THREAD||state.DSM||state.SINGLETM)
651 outclassdefs.println("#include <pthread.h>");
652 outclassdefs.println("#ifndef INTPTR");
653 outclassdefs.println("#ifdef BIT64");
654 outclassdefs.println("#define INTPTR long");
655 outclassdefs.println("#else");
656 outclassdefs.println("#define INTPTR int");
657 outclassdefs.println("#endif");
658 outclassdefs.println("#endif");
660 outclassdefs.println("#include \"optionalstruct.h\"");
661 outclassdefs.println("struct "+arraytype+";");
662 /* Start by declaring all structs */
663 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
664 while(it.hasNext()) {
665 ClassDescriptor cn=(ClassDescriptor)it.next();
666 outclassdefs.println("struct "+cn.getSafeSymbol()+";");
668 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
669 // this class has static fields/blocks, need to add a global flag to
670 // indicate if its static fields have been initialized and/or if its
671 // static blocks have been executed
672 outglobaldefsprim.println(" int "+cn.getSafeSymbol()+"static_block_exe_flag;");
675 outclassdefs.println("");
676 //Print out definition for array type
677 outclassdefs.println("struct "+arraytype+" {");
678 outclassdefs.println(" int type;");
679 outclassdefs.println(" int hashcode;");
682 additionalClassObjectFields(outclassdefs);
683 for(BuildCodeExtension bcx: extensions) {
684 bcx.additionalClassObjectFields(outclassdefs);
688 if (state.EVENTMONITOR) {
689 outclassdefs.println(" int objuid;");
692 outclassdefs.println(" volatile int tid;");
693 outclassdefs.println(" volatile int notifycount;");
696 outclassdefs.println(" int mutex;");
697 outclassdefs.println(" volatile int notifycount;");
698 outclassdefs.println(" volatile int objlock;");
699 if(state.MULTICOREGC) {
700 outclassdefs.println(" int marked;");
704 outclassdefs.println(" int flag;");
705 outclassdefs.println(" int ___cachedCode___;");
706 if(!state.MULTICORE) {
707 outclassdefs.println(" void * flagptr;");
709 outclassdefs.println(" int version;");
710 outclassdefs.println(" int * lock;"); // lock entry for this obj
711 outclassdefs.println(" int mutex;");
712 outclassdefs.println(" volatile int lockcount;");
713 if(state.MULTICOREGC) {
714 outclassdefs.println(" int marked;");
718 outclassdefs.println(" int numfses;");
719 outclassdefs.println(" int * fses;");
723 printClassStruct(typeutil.getClass(TypeUtil.ObjectClass), outclassdefs, outglobaldefs, outglobaldefsprim);
724 printedfieldstbl.clear();
726 printExtraArrayFields(outclassdefs);
727 for(BuildCodeExtension bcx: extensions) {
728 bcx.printExtraArrayFields(outclassdefs);
731 if (state.ARRAYPAD) {
732 outclassdefs.println(" int paddingforarray;");
735 outclassdefs.println(" int ___length___;");
736 outclassdefs.println("};\n");
738 outclassdefs.println("");
739 outclassdefs.println("extern int classsize[];");
740 outclassdefs.println("extern int hasflags[];");
741 outclassdefs.println("extern unsigned INTPTR * pointerarray[];");
742 outclassdefs.println("extern int* supertypes[];");
743 outclassdefs.println("");
746 /** Prints out definitions for generic task structures */
748 protected void outputTaskTypes(PrintWriter outtask) {
749 outtask.println("#ifndef _TASK_H");
750 outtask.println("#define _TASK_H");
751 outtask.println("struct parameterdescriptor {");
752 outtask.println("int type;");
753 outtask.println("int numberterms;");
754 outtask.println("int *intarray;");
755 outtask.println("void * queue;");
756 outtask.println("int numbertags;");
757 outtask.println("int *tagarray;");
758 outtask.println("};");
760 outtask.println("struct taskdescriptor {");
761 outtask.println("void * taskptr;");
762 outtask.println("int numParameters;");
763 outtask.println(" int numTotal;");
764 outtask.println("struct parameterdescriptor **descriptorarray;");
765 outtask.println("char * name;");
766 outtask.println("};");
767 outtask.println("extern struct taskdescriptor * taskarray[];");
768 outtask.println("extern numtasks;");
769 outtask.println("#endif");
773 protected void buildRepairStructs(PrintWriter outrepairstructs) {
774 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
775 while(classit.hasNext()) {
776 ClassDescriptor cn=(ClassDescriptor)classit.next();
777 outrepairstructs.println("structure "+cn.getSymbol()+" {");
778 outrepairstructs.println(" int __type__;");
780 outrepairstructs.println(" int __flag__;");
781 if(!state.MULTICORE) {
782 outrepairstructs.println(" int __flagptr__;");
785 printRepairStruct(cn, outrepairstructs);
786 outrepairstructs.println("}\n");
789 for(int i=0; i<state.numArrays(); i++) {
790 TypeDescriptor tdarray=arraytable[i];
791 TypeDescriptor tdelement=tdarray.dereference();
792 outrepairstructs.println("structure "+arraytype+"_"+state.getArrayNumber(tdarray)+" {");
793 outrepairstructs.println(" int __type__;");
794 printRepairStruct(typeutil.getClass(TypeUtil.ObjectClass), outrepairstructs);
795 outrepairstructs.println(" int length;");
796 outrepairstructs.println("}\n");
800 protected void printRepairStruct(ClassDescriptor cn, PrintWriter output) {
801 ClassDescriptor sp=cn.getSuperDesc();
803 printRepairStruct(sp, output);
805 Vector fields=(Vector)fieldorder.get(cn);
807 for(int i=0; i<fields.size(); i++) {
808 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
809 if (fd.getType().isArray()) {
810 output.println(" "+arraytype+"_"+ state.getArrayNumber(fd.getType()) +" * "+fd.getSymbol()+";");
811 } else if (fd.getType().isClass())
812 output.println(" "+fd.getType().getRepairSymbol()+" * "+fd.getSymbol()+";");
813 else if (fd.getType().isFloat())
814 output.println(" int "+fd.getSymbol()+"; /* really float */");
816 output.println(" "+fd.getType().getRepairSymbol()+" "+fd.getSymbol()+";");
820 /** This method outputs TaskDescriptor information */
821 protected void generateTaskDescriptor(PrintWriter output, FlatMethod fm, TaskDescriptor task) {
822 for (int i=0; i<task.numParameters(); i++) {
823 VarDescriptor param_var=task.getParameter(i);
824 TypeDescriptor param_type=task.getParamType(i);
825 FlagExpressionNode param_flag=task.getFlag(param_var);
826 TagExpressionList param_tag=task.getTag(param_var);
829 if (param_flag==null) {
830 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
831 output.println("0x0, 0x0 };");
834 DNFFlag dflag=param_flag.getDNF();
835 dnfterms=dflag.size();
837 Hashtable flags=(Hashtable)flagorder.get(param_type.getClassDesc());
838 output.println("int parameterdnf_"+i+"_"+task.getSafeSymbol()+"[]={");
839 for(int j=0; j<dflag.size(); j++) {
842 Vector term=dflag.get(j);
845 for(int k=0; k<term.size(); k++) {
846 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
847 FlagDescriptor fd=dfa.getFlag();
848 boolean negated=dfa.getNegated();
849 int flagid=1<<((Integer)flags.get(fd)).intValue();
854 output.print("0x"+Integer.toHexString(andmask)+", 0x"+Integer.toHexString(checkmask));
856 output.println("};");
859 output.println("int parametertag_"+i+"_"+task.getSafeSymbol()+"[]={");
861 for(int j=0; j<param_tag.numTags(); j++) {
864 /* for each tag we need */
865 /* which slot it is */
866 /* what type it is */
867 TagVarDescriptor tvd=(TagVarDescriptor)task.getParameterTable().get(param_tag.getName(j));
868 TempDescriptor tmp=param_tag.getTemp(j);
869 int slot=fm.getTagInt(tmp);
870 output.println(slot+", "+state.getTagId(tvd.getTag()));
872 output.println("};");
874 output.println("struct parameterdescriptor parameter_"+i+"_"+task.getSafeSymbol()+"={");
875 output.println("/* type */"+param_type.getClassDesc().getId()+",");
876 output.println("/* number of DNF terms */"+dnfterms+",");
877 output.println("parameterdnf_"+i+"_"+task.getSafeSymbol()+",");
878 output.println("0,");
880 output.println("/* number of tags */"+param_tag.numTags()+",");
882 output.println("/* number of tags */ 0,");
883 output.println("parametertag_"+i+"_"+task.getSafeSymbol());
884 output.println("};");
888 output.println("struct parameterdescriptor * parameterdescriptors_"+task.getSafeSymbol()+"[] = {");
889 for (int i=0; i<task.numParameters(); i++) {
892 output.print("¶meter_"+i+"_"+task.getSafeSymbol());
894 output.println("};");
896 output.println("struct taskdescriptor task_"+task.getSafeSymbol()+"={");
897 output.println("&"+task.getSafeSymbol()+",");
898 output.println("/* number of parameters */" +task.numParameters() + ",");
899 int numtotal=task.numParameters()+fm.numTags();
900 output.println("/* number total parameters */" +numtotal + ",");
901 output.println("parameterdescriptors_"+task.getSafeSymbol()+",");
902 output.println("\""+task.getSymbol()+"\"");
903 output.println("};");
907 /** The buildVirtualTables method outputs the virtual dispatch
908 * tables for methods. */
910 protected void buildVirtualTables(PrintWriter outvirtual) {
911 Iterator classit=state.getClassSymbolTable().getDescriptorsIterator();
912 while(classit.hasNext()) {
913 ClassDescriptor cd=(ClassDescriptor)classit.next();
914 if (virtualcalls.getMethodCount(cd)>maxcount)
915 maxcount=virtualcalls.getMethodCount(cd);
917 MethodDescriptor[][] virtualtable=null;
918 virtualtable=new MethodDescriptor[state.numClasses()+state.numArrays()][maxcount];
920 /* Fill in virtual table */
921 classit=state.getClassSymbolTable().getDescriptorsIterator();
922 while(classit.hasNext()) {
923 ClassDescriptor cd=(ClassDescriptor)classit.next();
924 if(cd.isInterface()) {
927 fillinRow(cd, virtualtable, cd.getId());
930 ClassDescriptor objectcd=typeutil.getClass(TypeUtil.ObjectClass);
931 Iterator arrayit=state.getArrayIterator();
932 while(arrayit.hasNext()) {
933 TypeDescriptor td=(TypeDescriptor)arrayit.next();
934 int id=state.getArrayNumber(td);
935 fillinRow(objectcd, virtualtable, id+state.numClasses());
938 outvirtual.print("void * virtualtable[]={");
939 boolean needcomma=false;
940 for(int i=0; i<state.numClasses()+state.numArrays(); i++) {
941 for(int j=0; j<maxcount; j++) {
943 outvirtual.print(", ");
944 if (virtualtable[i][j]!=null) {
945 MethodDescriptor md=virtualtable[i][j];
946 outvirtual.print("& "+md.getClassDesc().getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor());
948 outvirtual.print("0");
952 outvirtual.println("");
954 outvirtual.println("};");
958 protected void fillinRow(ClassDescriptor cd, MethodDescriptor[][] virtualtable, int rownum) {
959 /* Get inherited methods */
960 Iterator it_sifs = cd.getSuperInterfaces();
961 while(it_sifs.hasNext()) {
962 ClassDescriptor superif = (ClassDescriptor)it_sifs.next();
963 fillinRow(superif, virtualtable, rownum);
965 if (cd.getSuperDesc()!=null)
966 fillinRow(cd.getSuperDesc(), virtualtable, rownum);
967 /* Override them with our methods */
968 for(Iterator it=cd.getMethods(); it.hasNext(); ) {
969 MethodDescriptor md=(MethodDescriptor)it.next();
970 if (md.isStatic()||md.getReturnType()==null)
973 if (!callgraph.isCallable(md)) {
977 int methodnum = virtualcalls.getMethodNumber(md);
978 virtualtable[rownum][methodnum]=md;
982 /** Generate array that contains the sizes of class objects. The
983 * object allocation functions in the runtime use this
986 protected void generateSizeArray(PrintWriter outclassdefs) {
987 outclassdefs.print("extern struct prefetchCountStats * evalPrefetch;\n");
989 generateSizeArrayExtensions(outclassdefs);
990 for(BuildCodeExtension bcx: extensions) {
991 bcx.generateSizeArrayExtensions(outclassdefs);
994 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
995 cdarray=new ClassDescriptor[state.numClasses()];
996 ifarray = new ClassDescriptor[state.numInterfaces()];
999 while(it.hasNext()) {
1000 ClassDescriptor cd=(ClassDescriptor)it.next();
1001 if(cd.isInterface()) {
1002 ifarray[cd.getId()] = cd;
1004 cdarray[cd.getId()] = cd;
1008 arraytable=new TypeDescriptor[state.numArrays()];
1010 Iterator arrayit=state.getArrayIterator();
1011 while(arrayit.hasNext()) {
1012 TypeDescriptor td=(TypeDescriptor)arrayit.next();
1013 int id=state.getArrayNumber(td);
1017 /* Print out types */
1018 outclassdefs.println("/* ");
1019 for(int i=0; i<state.numClasses(); i++) {
1020 ClassDescriptor cd=cdarray[i];
1022 outclassdefs.println("NULL " + i);
1024 outclassdefs.println(cd +" "+i);
1028 for(int i=0; i<state.numArrays(); i++) {
1029 TypeDescriptor arraytd=arraytable[i];
1030 outclassdefs.println(arraytd.toPrettyString() +" "+(i+state.numClasses()));
1033 for(int i=0; i<state.numInterfaces(); i++) {
1034 ClassDescriptor ifcd = ifarray[i];
1035 outclassdefs.println(ifcd +" "+(i+state.numClasses()+state.numArrays()));
1038 outclassdefs.println("*/");
1041 outclassdefs.print("int classsize[]={");
1043 boolean needcomma=false;
1044 for(int i=0; i<state.numClasses(); i++) {
1046 outclassdefs.print(", ");
1048 outclassdefs.print("sizeof(struct "+cdarray[i].getSafeSymbol()+")");
1050 outclassdefs.print("0");
1056 for(int i=0; i<state.numArrays(); i++) {
1058 outclassdefs.print(", ");
1059 TypeDescriptor tdelement=arraytable[i].dereference();
1060 if (tdelement.isArray()||tdelement.isClass()||tdelement.isNull())
1061 outclassdefs.print("sizeof(void *)");
1063 outclassdefs.print("sizeof("+tdelement.getSafeSymbol()+")");
1067 for(int i=0; i<state.numInterfaces(); i++) {
1069 outclassdefs.print(", ");
1070 outclassdefs.print("sizeof(struct "+ifarray[i].getSafeSymbol()+")");
1074 outclassdefs.println("};");
1076 ClassDescriptor objectclass=typeutil.getClass(TypeUtil.ObjectClass);
1078 outclassdefs.print("int typearray[]={");
1079 for(int i=0; i<state.numClasses(); i++) {
1080 ClassDescriptor cd=cdarray[i];
1081 ClassDescriptor supercd=i>0?cd.getSuperDesc():null;
1082 if(supercd != null && supercd.isInterface()) {
1083 throw new Error("Super class can not be interfaces");
1086 outclassdefs.print(", ");
1088 outclassdefs.print("-1");
1090 outclassdefs.print(supercd.getId());
1094 for(int i=0; i<state.numArrays(); i++) {
1095 TypeDescriptor arraytd=arraytable[i];
1096 ClassDescriptor arraycd=arraytd.getClassDesc();
1097 if (arraycd==null) {
1099 outclassdefs.print(", ");
1100 outclassdefs.print(objectclass.getId());
1104 ClassDescriptor cd=arraycd.getSuperDesc();
1107 TypeDescriptor supertd=new TypeDescriptor(cd);
1108 supertd.setArrayCount(arraytd.getArrayCount());
1109 type=state.getArrayNumber(supertd);
1111 type+=state.numClasses();
1114 cd=cd.getSuperDesc();
1117 outclassdefs.print(", ");
1118 outclassdefs.print(type);
1122 for(int i=0; i<state.numInterfaces(); i++) {
1123 ClassDescriptor cd=ifarray[i];
1124 ClassDescriptor supercd=cd.getSuperDesc();
1125 if(supercd != null && supercd.isInterface()) {
1126 throw new Error("Super class can not be interfaces");
1129 outclassdefs.print(", ");
1131 outclassdefs.print("-1");
1133 outclassdefs.print(supercd.getId());
1137 outclassdefs.println("};");
1142 outclassdefs.print("int typearray2[]={");
1143 for(int i=0; i<state.numArrays(); i++) {
1144 TypeDescriptor arraytd=arraytable[i];
1145 ClassDescriptor arraycd=arraytd.getClassDesc();
1146 if (arraycd==null) {
1148 outclassdefs.print(", ");
1149 outclassdefs.print("-1");
1153 ClassDescriptor cd=arraycd.getSuperDesc();
1154 int level=arraytd.getArrayCount()-1;
1156 for(; level>0; level--) {
1157 TypeDescriptor supertd=new TypeDescriptor(objectclass);
1158 supertd.setArrayCount(level);
1159 type=state.getArrayNumber(supertd);
1161 type+=state.numClasses();
1166 outclassdefs.print(", ");
1167 outclassdefs.print(type);
1171 outclassdefs.println("};");
1174 /** Constructs params and temp objects for each method or task.
1175 * These objects tell the compiler which temps need to be
1178 protected void generateTempStructs(FlatMethod fm) {
1179 MethodDescriptor md=fm.getMethod();
1180 TaskDescriptor task=fm.getTask();
1181 ParamsObject objectparams=md!=null?new ParamsObject(md,tag++):new ParamsObject(task, tag++);
1183 paramstable.put(md, objectparams);
1185 paramstable.put(task, objectparams);
1187 for(int i=0; i<fm.numParameters(); i++) {
1188 TempDescriptor temp=fm.getParameter(i);
1189 TypeDescriptor type=temp.getType();
1190 if (type.isPtr()&&((GENERATEPRECISEGC) || (this.state.MULTICOREGC)))
1191 objectparams.addPtr(temp);
1193 objectparams.addPrim(temp);
1196 for(int i=0; i<fm.numTags(); i++) {
1197 TempDescriptor temp=fm.getTag(i);
1198 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC))
1199 objectparams.addPtr(temp);
1201 objectparams.addPrim(temp);
1204 TempObject objecttemps=md!=null?new TempObject(objectparams,md,tag++):new TempObject(objectparams, task, tag++);
1206 tempstable.put(md, objecttemps);
1208 tempstable.put(task, objecttemps);
1210 for(Iterator nodeit=fm.getNodeSet().iterator(); nodeit.hasNext(); ) {
1211 FlatNode fn=(FlatNode)nodeit.next();
1212 TempDescriptor[] writes=fn.writesTemps();
1213 for(int i=0; i<writes.length; i++) {
1214 TempDescriptor temp=writes[i];
1215 TypeDescriptor type=temp.getType();
1216 if (type.isPtr()&&((GENERATEPRECISEGC) || (this.state.MULTICOREGC)))
1217 objecttemps.addPtr(temp);
1219 objecttemps.addPrim(temp);
1224 /** This method outputs the following information about classes
1226 * (1) For classes, what are the locations of pointers.
1227 * (2) For arrays, does the array contain pointers or primitives.
1228 * (3) For classes, does the class contain flags.
1231 protected void generateLayoutStructs(PrintWriter output) {
1232 Iterator it=state.getClassSymbolTable().getDescriptorsIterator();
1233 while(it.hasNext()) {
1234 ClassDescriptor cn=(ClassDescriptor)it.next();
1235 output.print("unsigned INTPTR "+cn.getSafeSymbol()+"_pointers[]={");
1236 if (javabuilder!=null&&!javabuilder.hasLayout(cn)) {
1237 output.println("0};");
1242 for(Iterator allit=cn.getFieldTable().getAllDescriptorsIterator(); allit.hasNext(); ) {
1243 FieldDescriptor fd=(FieldDescriptor)allit.next();
1247 TypeDescriptor type=fd.getType();
1252 // the lock field is also a pointer
1255 output.print(count);
1256 for(Iterator allit=cn.getFieldTable().getAllDescriptorsIterator(); allit.hasNext(); ) {
1257 FieldDescriptor fd=(FieldDescriptor)allit.next();
1261 TypeDescriptor type=fd.getType();
1264 output.print("((unsigned INTPTR)&(((struct "+cn.getSafeSymbol() +" *)0)->"+
1265 fd.getSafeSymbol()+"))");
1269 // output the lock field
1271 output.print("((unsigned INTPTR)&(((struct "+cn.getSafeSymbol() +" *)0)->lock))");
1273 output.println("};");
1276 output.println("unsigned INTPTR * pointerarray[]={");
1277 boolean needcomma=false;
1278 for(int i=0; i<state.numClasses(); i++) {
1279 ClassDescriptor cn=cdarray[i];
1281 output.println(",");
1284 output.print(cn.getSafeSymbol()+"_pointers");
1286 output.print("NULL");
1290 for(int i=0; i<state.numArrays(); i++) {
1292 output.println(", ");
1293 TypeDescriptor tdelement=arraytable[i].dereference();
1294 if (tdelement.isArray()||tdelement.isClass())
1295 output.print("((unsigned INTPTR *)1)");
1301 output.println("};");
1303 output.println("int hasflags[]={");
1304 for(int i=0; i<state.numClasses(); i++) {
1305 ClassDescriptor cn=cdarray[i];
1307 output.println(", ");
1309 if ((cn != null) && (cn.hasFlags()))
1314 output.println("};");
1317 private int checkarraysupertype(ClassDescriptor arraycd, TypeDescriptor arraytd) {
1320 TypeDescriptor supertd=new TypeDescriptor(arraycd);
1321 supertd.setArrayCount(arraytd.getArrayCount());
1322 type=state.getArrayNumber(supertd);
1327 ClassDescriptor cd = arraycd.getSuperDesc();
1329 type = checkarraysupertype(cd, arraytd);
1335 Iterator it_sifs = arraycd.getSuperInterfaces();
1336 while(it_sifs.hasNext()) {
1337 ClassDescriptor ifcd = (ClassDescriptor)it_sifs.next();
1338 type = checkarraysupertype(ifcd, arraytd);
1348 /** Print out table to give us supertypes */
1349 protected void generateSuperTypeTable(PrintWriter output) {
1350 ClassDescriptor objectclass=typeutil.getClass(TypeUtil.ObjectClass);
1351 for(int i=0; i<state.numClasses(); i++) {
1352 ClassDescriptor cn=cdarray[i];
1356 output.print("int supertypes" + cn.getSafeSymbol() + "[] = {");
1357 boolean ncomma = false;
1359 if((cn != null) && (cn.getSuperDesc() != null)) {
1362 Iterator it_sifs = cn != null?cn.getSuperInterfaces():null;
1363 while(it_sifs != null && it_sifs.hasNext()) {
1369 if ((cn != null) && (cn.getSuperDesc()!=null)) {
1373 ClassDescriptor cdsuper=cn.getSuperDesc();
1374 output.print(cdsuper.getId());
1376 it_sifs = cn != null?cn.getSuperInterfaces():null;
1377 while(it_sifs != null && it_sifs.hasNext()) {
1381 output.print(((ClassDescriptor)it_sifs.next()).getId()+state.numClasses()+state.numArrays());
1384 output.println("};");
1387 for(int i=0; i<state.numArrays(); i++) {
1388 TypeDescriptor arraytd=arraytable[i];
1389 ClassDescriptor arraycd=arraytd.getClassDesc();
1390 output.print("int supertypes___arraytype___" + (i+state.numClasses()) + "[] = {");
1391 boolean ncomma = false;
1393 if (arraycd==null) {
1397 output.print(objectclass.getId());
1398 output.println("};");
1401 if((arraycd != null) && (arraycd.getSuperDesc() != null)) {
1404 Iterator it_sifs = arraycd != null?arraycd.getSuperInterfaces():null;
1405 while(it_sifs != null && it_sifs.hasNext()) {
1411 if ((arraycd != null) && (arraycd.getSuperDesc()!=null)) {
1412 ClassDescriptor cd=arraycd.getSuperDesc();
1415 type = checkarraysupertype(cd, arraytd);
1417 type += state.numClasses();
1424 it_sifs = arraycd != null?arraycd.getSuperInterfaces():null;
1425 while(it_sifs != null && it_sifs.hasNext()) {
1426 ClassDescriptor ifcd = (ClassDescriptor)it_sifs.next();
1427 int type = checkarraysupertype(ifcd, arraytd);
1429 type += state.numClasses();
1435 output.println("};");
1438 for(int i=0; i<state.numInterfaces(); i++) {
1439 ClassDescriptor cn=ifarray[i];
1443 output.print("int supertypes" + cn.getSafeSymbol() + "[] = {");
1444 boolean ncomma = false;
1446 if((cn != null) && (cn.getSuperDesc() != null)) {
1449 Iterator it_sifs = cn != null?cn.getSuperInterfaces():null;
1450 while(it_sifs != null && it_sifs.hasNext()) {
1456 if ((cn != null) && (cn.getSuperDesc()!=null)) {
1460 ClassDescriptor cdsuper=cn.getSuperDesc();
1461 output.print(cdsuper.getId());
1463 it_sifs = cn != null?cn.getSuperInterfaces():null;
1464 while(it_sifs != null && it_sifs.hasNext()) {
1468 output.print(((ClassDescriptor)it_sifs.next()).getId()+state.numClasses()+state.numArrays());
1471 output.println("};");
1474 output.println("int* supertypes[]={");
1475 boolean needcomma=false;
1476 for(int i=0; i<state.numClasses(); i++) {
1477 ClassDescriptor cn=cdarray[i];
1479 output.println(",");
1482 output.print("supertypes" + cn.getSafeSymbol());
1488 for(int i=0; i<state.numArrays(); i++) {
1490 output.println(",");
1492 output.print("supertypes___arraytype___" + (i+state.numClasses()));
1495 for(int i=0; i<state.numInterfaces(); i++) {
1496 ClassDescriptor cn=ifarray[i];
1498 output.println(",");
1500 output.print("supertypes" + cn.getSafeSymbol());
1502 output.println("};");
1505 /** Force consistent field ordering between inherited classes. */
1507 protected void printClassStruct(ClassDescriptor cn, PrintWriter classdefout, PrintWriter globaldefout, PrintWriter globaldefprimout) {
1509 ClassDescriptor sp=cn.getSuperDesc();
1511 printClassStruct(sp, classdefout, /*globaldefout*/ null, null);
1513 SymbolTable sitbl = cn.getSuperInterfaceTable();
1514 Iterator it_sifs = sitbl.getDescriptorsIterator();
1515 while(it_sifs.hasNext()) {
1516 ClassDescriptor si = (ClassDescriptor)it_sifs.next();
1517 printClassStruct(si, classdefout, /*globaldefout*/ null, null);
1520 if (!fieldorder.containsKey(cn)) {
1521 Vector fields=new Vector();
1522 fieldorder.put(cn,fields);
1524 Vector fieldvec=cn.getFieldVec();
1526 for(int i=0; i<fieldvec.size(); i++) {
1527 FieldDescriptor fd=(FieldDescriptor)fieldvec.get(i);
1528 if((sp != null) && sp.getFieldTable().contains(fd.getSymbol())) {
1531 it_sifs = sitbl.getDescriptorsIterator();
1532 while(it_sifs.hasNext()) {
1533 ClassDescriptor si = (ClassDescriptor)it_sifs.next();
1534 if(si.getFieldTable().contains(fd.getSymbol())) {
1542 //Vector fields=(Vector)fieldorder.get(cn);
1544 Vector fields = cn.getFieldVec();
1546 for(int i=0; i<fields.size(); i++) {
1547 FieldDescriptor fd=(FieldDescriptor)fields.get(i);
1548 String fstring = fd.getSafeSymbol();
1549 if(printedfieldstbl.containsKey(fstring)) {
1550 printedfieldstbl.put(fstring, cn);
1553 printedfieldstbl.put(fstring, cn);
1555 if (fd.getType().isClass()
1556 && fd.getType().getClassDesc().isEnum()) {
1557 classdefout.println(" int " + fd.getSafeSymbol() + ";");
1558 } else if (fd.getType().isClass()||fd.getType().isArray()) {
1559 if (fd.isStatic()) {
1560 // TODO add version for normal Java later
1562 if(globaldefout != null) {
1563 if(fd.isVolatile()) {
1564 globaldefout.println(" volatile struct "+fd.getType().getSafeSymbol()+ " * "+fd.getSafeSymbol()+";");
1566 globaldefout.println(" struct "+fd.getType().getSafeSymbol()+ " * "+fd.getSafeSymbol()+";");
1570 } else if (fd.isVolatile()) {
1572 classdefout.println(" volatile struct "+fd.getType().getSafeSymbol()+ " * "+fd.getSafeSymbol()+";");
1574 classdefout.println(" struct "+fd.getType().getSafeSymbol()+" * "+fd.getSafeSymbol()+";");
1576 } else if (fd.isStatic()) {
1577 // TODO add version for normal Java later
1579 if(globaldefout != null) {
1580 if(fd.isVolatile()) {
1581 globaldefprimout.println(" volatile "+fd.getType().getSafeSymbol()+ " "+fd.getSafeSymbol()+";");
1583 globaldefprimout.println(" "+fd.getType().getSafeSymbol()+ " "+fd.getSafeSymbol()+";");
1586 } else if (fd.isVolatile()) {
1588 classdefout.println(" volatile "+fd.getType().getSafeSymbol()+ " "+fd.getSafeSymbol()+";");
1590 classdefout.println(" "+fd.getType().getSafeSymbol()+" "+fd.getSafeSymbol()+";");
1595 /* Map flags to integers consistently between inherited
1598 protected void mapFlags(ClassDescriptor cn) {
1599 ClassDescriptor sp=cn.getSuperDesc();
1603 if (!flagorder.containsKey(cn)) {
1604 Hashtable flags=new Hashtable();
1605 flagorder.put(cn,flags);
1607 Hashtable superflags=(Hashtable)flagorder.get(sp);
1608 Iterator superflagit=superflags.keySet().iterator();
1609 while(superflagit.hasNext()) {
1610 FlagDescriptor fd=(FlagDescriptor)superflagit.next();
1611 Integer number=(Integer)superflags.get(fd);
1612 flags.put(fd, number);
1613 if ((number.intValue()+1)>max)
1614 max=number.intValue()+1;
1618 Iterator flagit=cn.getFlags();
1619 while(flagit.hasNext()) {
1620 FlagDescriptor fd=(FlagDescriptor)flagit.next();
1621 if (sp==null||!sp.getFlagTable().contains(fd.getSymbol()))
1622 flags.put(fd, new Integer(max++));
1628 /** This function outputs (1) structures that parameters are
1629 * passed in (when PRECISE GC is enabled) and (2) function
1630 * prototypes for the methods */
1632 protected void generateCallStructs(ClassDescriptor cn, PrintWriter classdefout, PrintWriter output, PrintWriter headersout, PrintWriter globaldefout, PrintWriter globaldefprimout) {
1633 /* Output class structure */
1634 classdefout.println("struct "+cn.getSafeSymbol()+" {");
1635 classdefout.println(" int type;");
1636 classdefout.println(" int hashcode;");
1638 additionalClassObjectFields(classdefout);
1639 for(BuildCodeExtension bcx: extensions) {
1640 bcx.additionalClassObjectFields(classdefout);
1644 if (state.EVENTMONITOR) {
1645 classdefout.println(" int objuid;");
1648 classdefout.println(" volatile int tid;");
1649 classdefout.println(" volatile int notifycount;");
1652 classdefout.println(" int mutex;");
1653 classdefout.println(" volatile int notifycount;");
1654 classdefout.println(" volatile int objlock;");
1655 if(state.MULTICOREGC) {
1656 classdefout.println(" int marked;");
1660 classdefout.println(" int flag;");
1661 classdefout.println(" int ___cachedCode___;");
1662 if((!state.MULTICORE) || (cn.getSymbol().equals("TagDescriptor"))) {
1663 classdefout.println(" void * flagptr;");
1665 if (state.MULTICORE) {
1666 classdefout.println(" int version;");
1667 classdefout.println(" int * lock;"); // lock entry for this obj
1668 classdefout.println(" int mutex;");
1669 classdefout.println(" volatile int lockcount;");
1670 if(state.MULTICOREGC) {
1671 classdefout.println(" int marked;");
1674 if (state.OPTIONAL) {
1675 classdefout.println(" int numfses;");
1676 classdefout.println(" int * fses;");
1679 if (javabuilder==null||javabuilder.hasLayout(cn))
1680 printClassStruct(cn, classdefout, globaldefout, globaldefprimout);
1682 printedfieldstbl.clear(); // = new Hashtable<String, ClassDescriptor>();
1683 classdefout.println("};\n");
1684 generateCallStructsMethods(cn, output, headersout);
1688 protected void generateCallStructsMethods(ClassDescriptor cn, PrintWriter output, PrintWriter headersout) {
1689 for(Iterator methodit=cn.getMethods(); methodit.hasNext(); ) {
1690 MethodDescriptor md=(MethodDescriptor)methodit.next();
1692 FlatMethod fm=state.getMethodFlat(md);
1694 if (!callgraph.isCallable(md)&&(!md.isStaticBlock()||!callgraph.isInit(cn))) {
1695 if (callgraph.isCalled(md)) {
1696 generateTempStructs(fm);
1697 generateMethodParam(cn, md, output);
1702 generateTempStructs(fm);
1703 generateMethodParam(cn, md, output);
1705 generateMethod(cn, md, headersout, output);
1709 protected void generateMethodParam(ClassDescriptor cn, MethodDescriptor md, PrintWriter output) {
1710 /* Output parameter structure */
1711 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1712 if(md.isInvokedByStatic() && !md.isStaticBlock() && !md.getModifiers().isNative()) {
1713 // generate the staticinit version
1714 String mdstring = md.getSafeMethodDescriptor() + "staticinit";
1716 ParamsObject objectparams=(ParamsObject) paramstable.get(md);
1717 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params {");
1718 output.println(" int size;");
1719 output.println(" void * next;");
1720 for(int i=0; i<objectparams.numPointers(); i++) {
1721 TempDescriptor temp=objectparams.getPointer(i);
1722 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1723 output.println(" int " + temp.getSafeSymbol() + ";");
1725 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1728 output.println("};\n");
1731 ParamsObject objectparams=(ParamsObject) paramstable.get(md);
1732 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params {");
1733 output.println(" int size;");
1734 output.println(" void * next;");
1735 for(int i=0; i<objectparams.numPointers(); i++) {
1736 TempDescriptor temp=objectparams.getPointer(i);
1737 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1738 output.println(" int " + temp.getSafeSymbol() + ";");
1740 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1743 output.println("};\n");
1747 protected void generateMethod(ClassDescriptor cn, MethodDescriptor md, PrintWriter headersout, PrintWriter output) {
1748 ParamsObject objectparams=(ParamsObject) paramstable.get(md);
1749 TempObject objecttemps=(TempObject) tempstable.get(md);
1751 boolean printcomma = false;
1754 if(md.isInvokedByStatic() && !md.isStaticBlock() && !md.getModifiers().isNative()) {
1755 // generate the staticinit version
1756 String mdstring = md.getSafeMethodDescriptor() + "staticinit";
1758 /* Output temp structure */
1759 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1760 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_locals {");
1761 output.println(" int size;");
1762 output.println(" void * next;");
1763 for(int i=0; i<objecttemps.numPointers(); i++) {
1764 TempDescriptor temp=objecttemps.getPointer(i);
1765 if (!temp.getType().isArray() && temp.getType().isNull())
1766 output.println(" void * "+temp.getSafeSymbol()+";");
1768 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1770 output.println("};\n");
1773 headersout.println("#define D"+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+" 1");
1774 /* First the return type */
1775 if (md.getReturnType()!=null) {
1776 if(md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
1777 headersout.println(" int ");
1778 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
1779 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1781 headersout.print(md.getReturnType().getSafeSymbol()+" ");
1783 //catch the constructor case
1784 headersout.print("void ");
1786 /* Next the method name */
1787 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"(");
1789 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1790 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params * "+paramsprefix);
1794 /* Output parameter list*/
1795 for(int i=0; i<objectparams.numPrimitives(); i++) {
1796 TempDescriptor temp=objectparams.getPrimitive(i);
1798 headersout.print(", ");
1800 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1801 headersout.print("int " + temp.getSafeSymbol());
1802 } else if (temp.getType().isClass()||temp.getType().isArray())
1803 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1805 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1807 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
1808 headersout.print(", int linenum");
1810 headersout.println(");\n");
1813 /* Output temp structure */
1814 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1815 output.println("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals {");
1816 output.println(" int size;");
1817 output.println(" void * next;");
1818 for(int i=0; i<objecttemps.numPointers(); i++) {
1819 TempDescriptor temp=objecttemps.getPointer(i);
1820 if (!temp.getType().isArray() && temp.getType().isNull())
1821 output.println(" void * "+temp.getSafeSymbol()+";");
1823 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1825 output.println("};\n");
1828 /********* Output method declaration ***********/
1829 headersout.println("#define D"+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+" 1");
1830 /* First the return type */
1831 if (md.getReturnType()!=null) {
1832 if(md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
1833 headersout.println(" int ");
1834 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
1835 headersout.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
1837 headersout.print(md.getReturnType().getSafeSymbol()+" ");
1839 //catch the constructor case
1840 headersout.print("void ");
1842 /* Next the method name */
1843 headersout.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(");
1845 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1846 headersout.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params * "+paramsprefix);
1850 /* Output parameter list*/
1851 for(int i=0; i<objectparams.numPrimitives(); i++) {
1852 TempDescriptor temp=objectparams.getPrimitive(i);
1854 headersout.print(", ");
1856 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
1857 headersout.print("int " + temp.getSafeSymbol());
1858 } else if (temp.getType().isClass()||temp.getType().isArray())
1859 headersout.print("struct " + temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
1861 headersout.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
1863 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
1864 headersout.print(", int linenum");
1866 headersout.println(");\n");
1870 /** This function outputs (1) structures that parameters are
1871 * passed in (when PRECISE GC is enabled) and (2) function
1872 * prototypes for the tasks */
1874 protected void generateTaskStructs(PrintWriter output, PrintWriter headersout) {
1875 /* Cycle through tasks */
1876 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
1878 while(taskit.hasNext()) {
1879 /* Classify parameters */
1880 TaskDescriptor task=(TaskDescriptor)taskit.next();
1881 FlatMethod fm=state.getMethodFlat(task);
1882 generateTempStructs(fm);
1884 ParamsObject objectparams=(ParamsObject) paramstable.get(task);
1885 TempObject objecttemps=(TempObject) tempstable.get(task);
1887 /* Output parameter structure */
1888 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1889 output.println("struct "+task.getSafeSymbol()+"_params {");
1890 output.println(" int size;");
1891 output.println(" void * next;");
1892 for(int i=0; i<objectparams.numPointers(); i++) {
1893 TempDescriptor temp=objectparams.getPointer(i);
1894 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1897 output.println("};\n");
1898 if ((objectparams.numPointers()+fm.numTags())>maxtaskparams) {
1899 maxtaskparams=objectparams.numPointers()+fm.numTags();
1903 /* Output temp structure */
1904 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1905 output.println("struct "+task.getSafeSymbol()+"_locals {");
1906 output.println(" int size;");
1907 output.println(" void * next;");
1908 for(int i=0; i<objecttemps.numPointers(); i++) {
1909 TempDescriptor temp=objecttemps.getPointer(i);
1910 if (!temp.getType().isArray() && temp.getType().isNull())
1911 output.println(" void * "+temp.getSafeSymbol()+";");
1912 else if(temp.getType().isTag())
1913 output.println(" struct "+
1914 (new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1916 output.println(" struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+";");
1918 output.println("};\n");
1921 /* Output task declaration */
1922 headersout.print("void " + task.getSafeSymbol()+"(");
1924 boolean printcomma=false;
1925 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
1926 headersout.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
1928 headersout.print("void * parameterarray[]");
1929 headersout.println(");\n");
1933 protected void generateNativeFlatMethod(FlatMethod fm, PrintWriter outmethod) {
1934 MethodDescriptor md=fm.getMethod();
1935 ClassDescriptor cd=md.getClassDesc();
1936 generateHeader(fm, md, outmethod);
1938 outmethod.println("JNIPUSHFRAME();");
1939 if (md.getModifiers().isStatic()) {
1940 outmethod.println("jobject rec=JNIWRAP(((void **)(((char *) &(global_defs_p->classobjs->___length___))+sizeof(int)))[" + cd.getId() + "]);");
1942 outmethod.println("jobject rec=JNIWRAP("+generateTemp(fm, fm.getParameter(0))+");");
1945 for(int i=startindex; i<fm.numParameters(); i++) {
1946 TempDescriptor tmp=fm.getParameter(i);
1947 if (tmp.getType().isPtr()) {
1948 outmethod.println("jobject param"+i+"=JNIWRAP("+generateTemp(fm, fm.getParameter(i))+");");
1951 if (GENERATEPRECISEGC) {
1952 outmethod.println("stopforgc((struct garbagelist *)___params___);");
1954 if (!md.getReturnType().isVoid()) {
1955 if (md.getReturnType().isPtr())
1956 outmethod.print("jobject retval=");
1958 outmethod.print(md.getReturnType().getSafeSymbol()+" retval=");
1960 outmethod.print("Java_");
1961 outmethod.print(cd.getPackage().replace('.','_'));
1962 outmethod.print("_"+md.getSymbol()+"(");
1963 outmethod.print("JNI_vtable, rec");
1965 for(int i=startindex; i<fm.numParameters(); i++) {
1966 outmethod.print(", ");
1967 TempDescriptor tmp=fm.getParameter(i);
1968 if (tmp.getType().isPtr()) {
1969 outmethod.print("param"+i);
1971 outmethod.print(generateTemp(fm, tmp));
1974 outmethod.println(");");
1975 if (GENERATEPRECISEGC) {
1976 outmethod.println("restartaftergc();");
1978 if (!md.getReturnType().isVoid()) {
1979 if (md.getReturnType().isPtr()) {
1980 outmethod.println("struct ___Object___ * retobj=JNIUNWRAP(retval);");
1981 outmethod.println("JNIPOPFRAME();");
1982 outmethod.println("return retobj;");
1984 outmethod.println("JNIPOPFRAME();");
1985 outmethod.println("return retval;");
1988 outmethod.println("JNIPOPFRAME();");
1990 outmethod.println("}");
1991 outmethod.println("");
1994 protected void generateFlatMethod(FlatMethod fm, PrintWriter output) {
1995 if (State.PRINTFLAT)
1996 System.out.println(fm.printMethod());
1997 MethodDescriptor md=fm.getMethod();
1998 TaskDescriptor task=fm.getTask();
1999 ClassDescriptor cn=md!=null?md.getClassDesc():null;
2000 ParamsObject objectparams=(ParamsObject)paramstable.get(md!=null?md:task);
2002 if((md != null) && md.isInvokedByStatic() && !md.isStaticBlock() && !md.getModifiers().isNative()) {
2003 // generate a special static init version
2004 mgcstaticinit = true;
2005 String mdstring = md.getSafeMethodDescriptor() + "staticinit";
2007 generateHeader(fm, md!=null?md:task,output);
2008 TempObject objecttemp=(TempObject) tempstable.get(md!=null?md:task);
2010 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2011 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_locals "+localsprefix+"={");
2012 output.print(objecttemp.numPointers()+",");
2013 output.print(paramsprefix);
2014 for(int j=0; j<objecttemp.numPointers(); j++)
2015 output.print(", NULL");
2016 output.println("};");
2019 for(int i=0; i<objecttemp.numPrimitives(); i++) {
2020 TempDescriptor td=objecttemp.getPrimitive(i);
2021 TypeDescriptor type=td.getType();
2022 if (type.isNull() && !type.isArray())
2023 output.println(" void * "+td.getSafeSymbol()+";");
2024 else if (type.isClass() && type.getClassDesc().isEnum()) {
2025 output.println(" int " + td.getSafeSymbol() + ";");
2026 } else if (type.isClass()||type.isArray())
2027 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
2029 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
2032 additionalCodeAtTopFlatMethodBody(output, fm);
2033 for(BuildCodeExtension bcx: extensions) {
2034 bcx.additionalCodeAtTopFlatMethodBody(output, fm);
2037 /* Check to see if we need to do a GC if this is a
2038 * multi-threaded program...*/
2040 if (((state.OOOJAVA||state.THREAD)&&GENERATEPRECISEGC) || state.MULTICOREGC) {
2041 //Don't bother if we aren't in recursive methods...The loops case will catch it
2042 if (callgraph.getAllMethods(md).contains(md)) {
2043 if (this.state.MULTICOREGC) {
2044 output.println("GCCHECK("+localsprefixaddr+");");
2046 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
2051 generateCode(fm.getNext(0), fm, null, output);
2053 output.println("}\n\n");
2055 mgcstaticinit = false;
2058 generateHeader(fm, md!=null?md:task,output);
2059 TempObject objecttemp=(TempObject) tempstable.get(md!=null?md:task);
2061 if((md != null) && (md.isStaticBlock())) {
2062 mgcstaticinit = true;
2065 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2067 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_locals "+localsprefix+"={");
2069 output.print(" struct "+task.getSafeSymbol()+"_locals "+localsprefix+"={");
2070 output.print(objecttemp.numPointers()+",");
2071 output.print(paramsprefix);
2072 for(int j=0; j<objecttemp.numPointers(); j++)
2073 output.print(", NULL");
2074 output.println("};");
2077 for(int i=0; i<objecttemp.numPrimitives(); i++) {
2078 TempDescriptor td=objecttemp.getPrimitive(i);
2079 TypeDescriptor type=td.getType();
2080 if (type.isNull() && !type.isArray())
2081 output.println(" void * "+td.getSafeSymbol()+";");
2082 else if (type.isClass() && type.getClassDesc().isEnum()) {
2083 output.println(" int " + td.getSafeSymbol() + ";");
2084 } else if (type.isClass()||type.isArray())
2085 output.println(" struct "+type.getSafeSymbol()+" * "+td.getSafeSymbol()+";");
2087 output.println(" "+type.getSafeSymbol()+" "+td.getSafeSymbol()+";");
2090 additionalCodeAtTopFlatMethodBody(output, fm);
2091 for(BuildCodeExtension bcx: extensions) {
2092 bcx.additionalCodeAtTopFlatMethodBody(output, fm);
2095 /* Check to see if we need to do a GC if this is a
2096 * multi-threaded program...*/
2098 if (((state.OOOJAVA||state.THREAD)&&GENERATEPRECISEGC)
2099 || this.state.MULTICOREGC) {
2100 //Don't bother if we aren't in recursive methods...The loops case will catch it
2101 if (callgraph.getAllMethods(md).contains(md)) {
2102 if (this.state.MULTICOREGC) {
2103 output.println("GCCHECK("+localsprefixaddr+");");
2105 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
2110 if(fm.getMethod()!=null&&fm.getMethod().isStaticBlock()) {
2111 // a static block, check if it has been executed
2112 output.println(" if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag != 0) {");
2113 output.println(" return;");
2114 output.println(" }");
2118 generateCode(fm.getNext(0), fm, null, output);
2120 output.println("}\n\n");
2122 mgcstaticinit = false;
2125 protected void generateCode(FlatNode first,
2127 Set<FlatNode> stopset,
2128 PrintWriter output) {
2130 /* Assign labels to FlatNode's if necessary.*/
2132 Hashtable<FlatNode, Integer> nodetolabel;
2134 nodetolabel=assignLabels(first, stopset);
2136 Set<FlatNode> storeset=null;
2137 HashSet<FlatNode> genset=null;
2138 HashSet<FlatNode> refset=null;
2139 Set<FlatNode> unionset=null;
2141 /* Do the actual code generation */
2142 FlatNode current_node=null;
2143 HashSet tovisit=new HashSet();
2144 HashSet visited=new HashSet();
2146 while(current_node!=null||!tovisit.isEmpty()) {
2147 if (current_node==null) {
2148 current_node=(FlatNode)tovisit.iterator().next();
2149 tovisit.remove(current_node);
2150 } else if (tovisit.contains(current_node)) {
2151 tovisit.remove(current_node);
2153 visited.add(current_node);
2154 if (nodetolabel.containsKey(current_node)) {
2155 output.println("L"+nodetolabel.get(current_node)+":");
2157 if (state.INSTRUCTIONFAILURE) {
2159 output.println("if ((++instructioncount)>failurecount) {instructioncount=0;injectinstructionfailure();}");
2161 output.println("if ((--instructioncount)==0) injectinstructionfailure();");
2163 if (current_node.numNext()==0||stopset!=null&&stopset.contains(current_node)) {
2165 generateFlatNode(fm, current_node, output);
2167 if (state.OOOJAVA && stopset!=null) {
2168 assert first.getPrev(0) instanceof FlatSESEEnterNode;
2169 assert current_node instanceof FlatSESEExitNode;
2170 FlatSESEEnterNode fsen = (FlatSESEEnterNode) first.getPrev(0);
2171 FlatSESEExitNode fsxn = (FlatSESEExitNode) current_node;
2172 assert fsen.getFlatExit().equals(fsxn);
2173 assert fsxn.getFlatEnter().equals(fsen);
2175 if (current_node.kind()!=FKind.FlatReturnNode) {
2176 if((fm.getMethod() != null) && (fm.getMethod().isStaticBlock())) {
2177 // a static block, check if it has been executed
2178 output.println(" global_defsprim_p->" + fm.getMethod().getClassDesc().getSafeSymbol()+"static_block_exe_flag = 1;");
2181 output.println(" return;");
2184 } else if(current_node.numNext()==1) {
2186 if (state.OOOJAVA &&
2187 current_node.kind()==FKind.FlatSESEEnterNode) {
2188 FlatSESEEnterNode fsen = (FlatSESEEnterNode)current_node;
2189 generateFlatNode(fm, current_node, output);
2190 nextnode=fsen.getFlatExit().getNext(0);
2193 generateFlatNode(fm, current_node, output);
2194 nextnode=current_node.getNext(0);
2196 if (visited.contains(nextnode)) {
2197 output.println("goto L"+nodetolabel.get(nextnode)+";");
2200 current_node=nextnode;
2201 } else if (current_node.numNext()==2) {
2204 generateFlatCondBranch(fm, (FlatCondBranch)current_node, "L"+nodetolabel.get(current_node.getNext(1)), output);
2205 if (!visited.contains(current_node.getNext(1)))
2206 tovisit.add(current_node.getNext(1));
2207 if (visited.contains(current_node.getNext(0))) {
2208 output.println("goto L"+nodetolabel.get(current_node.getNext(0))+";");
2211 current_node=current_node.getNext(0);
2212 } else throw new Error();
2216 protected Hashtable<FlatNode, Integer> assignLabels(FlatNode first, Set<FlatNode> lastset) {
2217 HashSet tovisit=new HashSet();
2218 HashSet visited=new HashSet();
2220 Hashtable<FlatNode, Integer> nodetolabel=new Hashtable<FlatNode, Integer>();
2223 /*Assign labels first. A node needs a label if the previous
2224 * node has two exits or this node is a join point. */
2226 while(!tovisit.isEmpty()) {
2227 FlatNode fn=(FlatNode)tovisit.iterator().next();
2232 if(lastset!=null&&lastset.contains(fn)) {
2233 // if last is not null and matches, don't go
2234 // any further for assigning labels
2238 for(int i=0; i<fn.numNext(); i++) {
2239 FlatNode nn=fn.getNext(i);
2242 //1) Edge >1 of node
2243 nodetolabel.put(nn,new Integer(labelindex++));
2245 if (!visited.contains(nn)&&!tovisit.contains(nn)) {
2249 nodetolabel.put(nn,new Integer(labelindex++));
2256 /** Generate text string that corresponds to the TempDescriptor td. */
2257 protected String generateTemp(FlatMethod fm, TempDescriptor td) {
2258 MethodDescriptor md=fm.getMethod();
2259 TaskDescriptor task=fm.getTask();
2260 TempObject objecttemps=(TempObject) tempstable.get(md!=null?md:task);
2262 if (objecttemps.isLocalPrim(td)||objecttemps.isParamPrim(td)) {
2263 return td.getSafeSymbol();
2266 if (objecttemps.isLocalPtr(td)) {
2267 return localsprefixderef+td.getSafeSymbol();
2270 if (objecttemps.isParamPtr(td)) {
2271 return paramsprefix+"->"+td.getSafeSymbol();
2279 protected void generateFlatNode(FlatMethod fm, FlatNode fn, PrintWriter output) {
2280 if(state.LINENUM) printSourceLineNumber(fm,fn,output);
2282 additionalCodePreNode(fm, fn, output);
2283 for(BuildCodeExtension bcx: extensions) {
2284 bcx.additionalCodePreNode(fm, fn, output);
2288 case FKind.FlatAtomicEnterNode:
2289 generateFlatAtomicEnterNode(fm, (FlatAtomicEnterNode) fn, output);
2292 case FKind.FlatAtomicExitNode:
2293 generateFlatAtomicExitNode(fm, (FlatAtomicExitNode) fn, output);
2296 case FKind.FlatInstanceOfNode:
2297 generateFlatInstanceOfNode(fm, (FlatInstanceOfNode)fn, output);
2300 case FKind.FlatSESEEnterNode:
2301 generateFlatSESEEnterNode(fm, (FlatSESEEnterNode)fn, output);
2304 case FKind.FlatSESEExitNode:
2305 generateFlatSESEExitNode(fm, (FlatSESEExitNode)fn, output);
2308 case FKind.FlatWriteDynamicVarNode:
2309 generateFlatWriteDynamicVarNode(fm, (FlatWriteDynamicVarNode)fn, output);
2312 case FKind.FlatGlobalConvNode:
2313 generateFlatGlobalConvNode(fm, (FlatGlobalConvNode) fn, output);
2316 case FKind.FlatTagDeclaration:
2317 generateFlatTagDeclaration(fm, (FlatTagDeclaration) fn,output);
2320 case FKind.FlatCall:
2321 generateFlatCall(fm, (FlatCall) fn,output);
2324 case FKind.FlatFieldNode:
2325 generateFlatFieldNode(fm, (FlatFieldNode) fn,output);
2328 case FKind.FlatElementNode:
2329 generateFlatElementNode(fm, (FlatElementNode) fn,output);
2332 case FKind.FlatSetElementNode:
2333 generateFlatSetElementNode(fm, (FlatSetElementNode) fn,output);
2336 case FKind.FlatSetFieldNode:
2337 generateFlatSetFieldNode(fm, (FlatSetFieldNode) fn,output);
2341 generateFlatNew(fm, (FlatNew) fn,output);
2344 case FKind.FlatOpNode:
2345 generateFlatOpNode(fm, (FlatOpNode) fn,output);
2348 case FKind.FlatCastNode:
2349 generateFlatCastNode(fm, (FlatCastNode) fn,output);
2352 case FKind.FlatLiteralNode:
2353 generateFlatLiteralNode(fm, (FlatLiteralNode) fn,output);
2356 case FKind.FlatReturnNode:
2357 generateFlatReturnNode(fm, (FlatReturnNode) fn,output);
2361 output.println("/* nop */");
2364 case FKind.FlatGenReachNode:
2365 // this node is just for generating a reach graph
2366 // in disjointness analysis at a particular program point
2369 case FKind.FlatExit:
2370 output.println("/* exit */");
2373 case FKind.FlatBackEdge:
2374 generateFlatBackEdge(fm, (FlatBackEdge)fn, output);
2377 case FKind.FlatCheckNode:
2378 generateFlatCheckNode(fm, (FlatCheckNode) fn, output);
2381 case FKind.FlatFlagActionNode:
2382 generateFlatFlagActionNode(fm, (FlatFlagActionNode) fn, output);
2385 case FKind.FlatPrefetchNode:
2386 generateFlatPrefetchNode(fm, (FlatPrefetchNode) fn, output);
2389 case FKind.FlatOffsetNode:
2390 generateFlatOffsetNode(fm, (FlatOffsetNode)fn, output);
2397 additionalCodePostNode(fm, fn, output);
2398 for(BuildCodeExtension bcx: extensions) {
2399 bcx.additionalCodePostNode(fm, fn, output);
2404 public void generateFlatBackEdge(FlatMethod fm, FlatBackEdge fn, PrintWriter output) {
2405 if (((state.OOOJAVA||state.THREAD)&&GENERATEPRECISEGC)
2406 || (this.state.MULTICOREGC)) {
2407 if(this.state.MULTICOREGC) {
2408 output.println("GCCHECK("+localsprefixaddr+");");
2410 output.println("if (unlikely(needtocollect)) checkcollect("+localsprefixaddr+");");
2413 output.println("/* nop */");
2416 public void generateFlatOffsetNode(FlatMethod fm, FlatOffsetNode fofn, PrintWriter output) {
2417 output.println("/* FlatOffsetNode */");
2418 FieldDescriptor fd=fofn.getField();
2419 if(!fd.isStatic()) {
2420 output.println(generateTemp(fm, fofn.getDst())+ " = (short)(int) (&((struct "+fofn.getClassType().getSafeSymbol() +" *)0)->"+
2421 fd.getSafeSymbol()+");");
2423 output.println("/* offset */");
2426 public void generateFlatPrefetchNode(FlatMethod fm, FlatPrefetchNode fpn, PrintWriter output) {
2429 public void generateFlatGlobalConvNode(FlatMethod fm, FlatGlobalConvNode fgcn, PrintWriter output) {
2432 public void generateFlatInstanceOfNode(FlatMethod fm, FlatInstanceOfNode fion, PrintWriter output) {
2435 if (fion.getType().isArray()) {
2436 type=state.getArrayNumber(fion.getType())+state.numClasses();
2437 } else if (fion.getType().getClassDesc().isInterface()) {
2438 type=fion.getType().getClassDesc().getId()+state.numClasses()+state.numArrays();
2440 type=fion.getType().getClassDesc().getId();
2442 if (fion.getSrc().getType().isArray()) {
2443 otype=state.getArrayNumber(fion.getSrc().getType())+state.numClasses();
2444 } else if (fion.getSrc().getType().getClassDesc().isInterface()) {
2445 otype=fion.getSrc().getType().getClassDesc().getId()+state.numClasses()+state.numArrays();
2447 otype=fion.getSrc().getType().getClassDesc().getId();
2450 if (fion.getType().getSymbol().equals(TypeUtil.ObjectClass))
2451 output.println(generateTemp(fm, fion.getDst())+"=(" + generateTemp(fm,fion.getSrc()) + "!= NULL);");
2453 output.println(generateTemp(fm, fion.getDst())+"=instanceof("+generateTemp(fm,fion.getSrc())+","+type+");");
2457 public void generateFlatAtomicEnterNode(FlatMethod fm, FlatAtomicEnterNode faen, PrintWriter output) {
2460 public void generateFlatAtomicExitNode(FlatMethod fm, FlatAtomicExitNode faen, PrintWriter output) {
2463 public void generateFlatSESEEnterNode(FlatMethod fm,
2464 FlatSESEEnterNode fsen,
2465 PrintWriter output) {
2466 // if OOOJAVA flag is off, okay that SESE nodes are in IR graph,
2467 // just skip over them and code generates exactly the same
2470 public void generateFlatSESEExitNode(FlatMethod fm,
2471 FlatSESEExitNode fsexn,
2472 PrintWriter output) {
2473 // if OOOJAVA flag is off, okay that SESE nodes are in IR graph,
2474 // just skip over them and code generates exactly the same
2477 public void generateFlatWriteDynamicVarNode(FlatMethod fm,
2478 FlatWriteDynamicVarNode fwdvn,
2479 PrintWriter output) {
2483 protected void generateFlatCheckNode(FlatMethod fm, FlatCheckNode fcn, PrintWriter output) {
2484 if (state.CONSCHECK) {
2485 String specname=fcn.getSpec();
2486 String varname="repairstate___";
2487 output.println("{");
2488 output.println("struct "+specname+"_state * "+varname+"=allocate"+specname+"_state();");
2490 TempDescriptor[] temps=fcn.getTemps();
2491 String[] vars=fcn.getVars();
2492 for(int i=0; i<temps.length; i++) {
2493 output.println(varname+"->"+vars[i]+"=(unsigned int)"+generateTemp(fm, temps[i])+";");
2496 output.println("if (doanalysis"+specname+"("+varname+")) {");
2497 output.println("free"+specname+"_state("+varname+");");
2498 output.println("} else {");
2499 output.println("/* Bad invariant */");
2500 output.println("free"+specname+"_state("+varname+");");
2501 output.println("abort_task();");
2502 output.println("}");
2503 output.println("}");
2507 protected void generateFlatCall(FlatMethod fm, FlatCall fc, PrintWriter output) {
2508 MethodDescriptor md=fc.getMethod();
2509 ParamsObject objectparams=(ParamsObject)paramstable.get(md);
2511 ClassDescriptor cn=md.getClassDesc();
2512 String mdstring = md.getSafeMethodDescriptor();
2513 if(mgcstaticinit && !md.isStaticBlock() && !md.getModifiers().isNative()) {
2514 mdstring += "staticinit";
2517 // if the called method is a static block or a static method or a constructor
2518 // need to check if it can be invoked inside some static block
2519 if((md.isStatic() || md.isStaticBlock() || md.isConstructor()) &&
2520 ((fm.getMethod() != null) && ((fm.getMethod().isStaticBlock()) || (fm.getMethod().isInvokedByStatic())))) {
2521 if(!md.isInvokedByStatic()) {
2522 System.err.println("Error: a method that is invoked inside a static block is not tagged!");
2524 // is a static block or is invoked in some static block
2525 ClassDescriptor cd = fm.getMethod().getClassDesc();
2526 if(cd != cn && mgcstaticinit && callgraph.isInit(cn)) {
2527 // generate static init check code if it has not done static init in main()
2528 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
2529 // need to check if the class' static fields have been initialized and/or
2530 // its static blocks have been executed
2531 output.println("if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag == 0) {");
2532 if(cn.getNumStaticBlocks() != 0) {
2533 MethodDescriptor t_md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
2534 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2535 output.print(" struct "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2536 output.println("0, NULL};");
2537 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"(& __parameterlist__);");
2539 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
2542 output.println(" global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag = 1;");
2544 output.println("}");
2548 if((md.getSymbol().equals("MonitorEnter") || md.getSymbol().equals("MonitorExit")) && fc.getThis().getSymbol().equals("classobj")) {
2549 output.println("{");
2550 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
2551 output.println("int monitorenterline = __LINE__;");
2553 // call MonitorEnter/MonitorExit on a class obj
2554 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2555 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2556 output.println("1," + localsprefixaddr + ", ((void **)(((char *) &(global_defs_p->classobjs->___length___))+sizeof(int)))[" + fc.getThis().getType().getClassDesc().getId() + "]};");
2557 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
2558 output.println(" "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__, monitorenterline);");
2560 output.println(" "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+md.getSafeMethodDescriptor()+"(& __parameterlist__);");
2563 output.println(" " + cn.getSafeSymbol()+md.getSafeSymbol()+"_"
2564 + md.getSafeMethodDescriptor() + "((struct ___Object___*)(((void **)(((char *) &(global_defs_p->classobjs->___length___))+sizeof(int)))["
2565 + fc.getThis().getType().getClassDesc().getId() + "]));");
2567 output.println("}");
2571 output.println("{");
2572 if(md.getSymbol().equals("MonitorEnter")) {
2573 output.println("int monitorenterline = __LINE__;");
2575 if (GENERATEPRECISEGC || state.MULTICOREGC) {
2576 output.print(" struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params __parameterlist__={");
2577 output.print(objectparams.numPointers());
2578 output.print(", "+localsprefixaddr);
2579 if (md.getThis()!=null) {
2581 output.print("(struct "+md.getThis().getType().getSafeSymbol() +" *)"+ generateTemp(fm,fc.getThis()));
2583 if (fc.getThis()!=null&&md.getThis()==null) {
2584 System.out.println("WARNING!!!!!!!!!!!!");
2585 System.out.println("Source code calls static method "+md+" on an object in "+fm.getMethod()+"!");
2588 for(int i=0; i<fc.numArgs(); i++) {
2589 Descriptor var=md.getParameter(i);
2590 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
2591 if (objectparams.isParamPtr(paramtemp)) {
2592 TempDescriptor targ=fc.getArg(i);
2594 TypeDescriptor td=md.getParamType(i);
2596 output.print("(struct "+(new TypeDescriptor(typeutil.getClass(TypeUtil.TagClass))).getSafeSymbol() +" *)"+generateTemp(fm, targ));
2598 output.print("(struct "+md.getParamType(i).getSafeSymbol() +" *)"+generateTemp(fm, targ));
2601 output.println("};");
2606 if (fc.getReturnTemp()!=null)
2607 output.print(generateTemp(fm,fc.getReturnTemp())+"=");
2609 /* Do we need to do virtual dispatch? */
2611 if (md.isStatic()||md.getReturnType()==null||singleCall(fc.getThis().getType().getClassDesc(),md)||fc.getSuper()) {
2613 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring);
2617 if (md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
2618 output.print("int ");
2619 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
2620 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
2622 output.print(md.getReturnType().getSafeSymbol()+" ");
2623 output.print("(*)(");
2625 boolean printcomma=false;
2626 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2627 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params * ");
2631 for(int i=0; i<objectparams.numPrimitives(); i++) {
2632 TempDescriptor temp=objectparams.getPrimitive(i);
2636 if (temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
2637 output.print("int ");
2638 } else if (temp.getType().isClass()||temp.getType().isArray())
2639 output.print("struct " + temp.getType().getSafeSymbol()+" * ");
2641 output.print(temp.getType().getSafeSymbol());
2644 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
2645 output.print(", int");
2647 output.print("))virtualtable["+generateTemp(fm,fc.getThis())+"->type*"+maxcount+"+"+virtualcalls.getMethodNumber(md)+"])");
2651 boolean needcomma=false;
2652 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2653 output.print("&__parameterlist__");
2657 if (!GENERATEPRECISEGC && !this.state.MULTICOREGC) {
2658 if (fc.getThis()!=null) {
2659 TypeDescriptor ptd=null;
2660 if(md.getThis() != null) {
2661 ptd = md.getThis().getType();
2663 ptd = fc.getThis().getType();
2667 if(ptd.isClass() && ptd.getClassDesc().isEnum()) {
2669 } else if (ptd.isClass()&&!ptd.isArray())
2670 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
2671 output.print(generateTemp(fm,fc.getThis()));
2676 for(int i=0; i<fc.numArgs(); i++) {
2677 Descriptor var=md.getParameter(i);
2678 TempDescriptor paramtemp=(TempDescriptor)temptovar.get(var);
2679 if (objectparams.isParamPrim(paramtemp)) {
2680 TempDescriptor targ=fc.getArg(i);
2684 TypeDescriptor ptd=md.getParamType(i);
2685 if (ptd.isClass() && ptd.getClassDesc().isEnum()) {
2687 } else if (ptd.isClass()&&!ptd.isArray())
2688 output.print("(struct "+ptd.getSafeSymbol()+" *) ");
2689 output.print(generateTemp(fm, targ));
2693 if(md.getSymbol().equals("MonitorEnter") && state.OBJECTLOCKDEBUG) {
2694 output.println(", monitorenterline);");
2696 output.println(");");
2698 output.println(" }");
2701 protected boolean singleCall(ClassDescriptor thiscd, MethodDescriptor md) {
2702 if(thiscd.isInterface()) {
2703 // for interfaces, always need virtual dispatch
2706 Set subclasses=typeutil.getSubClasses(thiscd);
2707 if (subclasses==null)
2709 for(Iterator classit=subclasses.iterator(); classit.hasNext(); ) {
2710 ClassDescriptor cd=(ClassDescriptor)classit.next();
2711 Set possiblematches=cd.getMethodTable().getSetFromSameScope(md.getSymbol());
2712 for(Iterator matchit=possiblematches.iterator(); matchit.hasNext(); ) {
2713 MethodDescriptor matchmd=(MethodDescriptor)matchit.next();
2714 if (md.matches(matchmd))
2722 protected void generateFlatFieldNode(FlatMethod fm, FlatFieldNode ffn, PrintWriter output) {
2724 if(ffn.getField().isStatic()) {
2726 if((fm.getMethod().isStaticBlock()) || (fm.getMethod().isInvokedByStatic())) {
2727 // is a static block or is invoked in some static block
2728 ClassDescriptor cd = fm.getMethod().getClassDesc();
2729 ClassDescriptor cn = ffn.getSrc().getType().getClassDesc();
2730 if(cd != cn && mgcstaticinit && callgraph.isInit(cn)) {
2731 // generate the static init check code if has not done the static init in main()
2732 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
2733 // need to check if the class' static fields have been initialized and/or
2734 // its static blocks have been executed
2735 output.println("if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag == 0) {");
2736 if(cn.getNumStaticBlocks() != 0) {
2737 MethodDescriptor t_md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
2738 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2739 output.print(" struct "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2740 output.println("0, NULL};");
2741 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"(& __parameterlist__);");
2743 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
2746 output.println(" global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag = 1;");
2748 output.println("}");
2752 // redirect to the global_defs_p structure
2753 if (ffn.getField().getType().isPtr())
2754 output.println(generateTemp(fm, ffn.getDst())+"=global_defs_p->"+ffn.getField().getSafeSymbol()+";");
2756 output.println(generateTemp(fm, ffn.getDst())+"=global_defsprim_p->"+ffn.getField().getSafeSymbol()+";");
2757 } else if (ffn.getField().isEnum()) {
2758 // an Enum value, directly replace the field access as int
2759 output.println(generateTemp(fm, ffn.getDst()) + "=" + ffn.getField().enumValue() + ";");
2761 if( state.CAPTURE_NULL_DEREFERENCES ) {
2762 output.println("#ifdef CAPTURE_NULL_DEREFERENCES");
2763 output.println("if (" + generateTemp(fm,ffn.getSrc()) + " == NULL) {");
2764 output.println("printf(\" NULL ptr error: %s, %s, %d \\n\", __FILE__, __func__, __LINE__);");
2765 if(state.MULTICOREGC) {
2766 output.println("failednullptr(&___locals___);");
2768 output.println("failednullptr(NULL);");
2770 output.println("}");
2771 output.println("#endif //CAPTURE_NULL_DEREFERENCES");
2773 output.println(generateTemp(fm, ffn.getDst())+"="+ generateTemp(fm,ffn.getSrc())+"->"+ ffn.getField().getSafeSymbol()+";");
2778 protected void generateFlatSetFieldNode(FlatMethod fm, FlatSetFieldNode fsfn, PrintWriter output) {
2779 if (fsfn.getField().getSymbol().equals("length")&&fsfn.getDst().getType().isArray())
2780 throw new Error("Can't set array length");
2781 if (state.FASTCHECK) {
2782 String dst=generateTemp(fm, fsfn.getDst());
2783 output.println("if(!"+dst+"->"+localcopystr+") {");
2784 /* Link object into list */
2785 if (GENERATEPRECISEGC || this.state.MULTICOREGC)
2786 output.println("COPY_OBJ((struct garbagelist *)"+localsprefixaddr+",(struct ___Object___ *)"+dst+");");
2788 output.println("COPY_OBJ("+dst+");");
2789 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2790 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2791 output.println("}");
2794 if(fsfn.getField().isStatic()) {
2796 if((fm.getMethod().isStaticBlock()) || (fm.getMethod().isInvokedByStatic())) {
2797 // is a static block or is invoked in some static block
2798 ClassDescriptor cd = fm.getMethod().getClassDesc();
2799 ClassDescriptor cn = fsfn.getDst().getType().getClassDesc();
2800 if(cd != cn && mgcstaticinit && callgraph.isInit(cn)) {
2801 // generate static init check code if has not done the static init in main()
2802 if((cn.getNumStaticFields() != 0) || (cn.getNumStaticBlocks() != 0)) {
2803 // need to check if the class' static fields have been initialized and/or
2804 // its static blocks have been executed
2805 output.println("if(global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag == 0) {");
2806 if(cn.getNumStaticBlocks() != 0) {
2807 MethodDescriptor t_md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
2808 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2809 output.print(" struct "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"_params __parameterlist__={");
2810 output.println("0, NULL};");
2811 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"(& __parameterlist__);");
2813 output.println(" "+cn.getSafeSymbol()+t_md.getSafeSymbol()+"_"+t_md.getSafeMethodDescriptor()+"();");
2816 output.println(" global_defsprim_p->" + cn.getSafeSymbol()+"static_block_exe_flag = 1;");
2818 output.println("}");
2822 // redirect to the global_defs_p structure
2823 if (fsfn.getField().getType().isPtr()) {
2824 if (fsfn.getField().getType()!=fsfn.getSrc().getType())
2825 output.println("global_defs_p->" +
2826 fsfn.getField().getSafeSymbol()+"=(struct "+ fsfn.getField().getType().getSafeSymbol()+" *)"+generateTemp(fm,fsfn.getSrc())+";");
2828 output.println("global_defs_p->" +
2829 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc())+";");
2831 output.println("global_defsprim_p->" +
2832 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc())+";");
2835 if( state.CAPTURE_NULL_DEREFERENCES ) {
2836 output.println("#ifdef CAPTURE_NULL_DEREFERENCES");
2837 output.println("if (" + generateTemp(fm,fsfn.getDst()) + " == NULL) {");
2838 output.println("printf(\" NULL ptr error: %s, %s, %d \\n\", __FILE__, __func__, __LINE__);");
2839 if(state.MULTICOREGC) {
2840 output.println("failednullptr(&___locals___);");
2842 output.println("failednullptr(NULL);");
2844 output.println("}");
2845 output.println("#endif //CAPTURE_NULL_DEREFERENCES");
2848 if (fsfn.getSrc().getType().isPtr()&&fsfn.getSrc().getType()!=fsfn.getField().getType())
2849 output.println(generateTemp(fm, fsfn.getDst())+"->"+
2850 fsfn.getField().getSafeSymbol()+"=(struct "+ fsfn.getField().getType().getSafeSymbol()+"*)"+generateTemp(fm,fsfn.getSrc())+";");
2852 output.println(generateTemp(fm, fsfn.getDst())+"->"+
2853 fsfn.getField().getSafeSymbol()+"="+ generateTemp(fm,fsfn.getSrc())+";");
2858 protected void generateFlatElementNode(FlatMethod fm, FlatElementNode fen, PrintWriter output) {
2859 TypeDescriptor elementtype=fen.getSrc().getType().dereference();
2862 if (elementtype.isClass() && elementtype.getClassDesc().isEnum()) {
2864 } else if (elementtype.isArray()||elementtype.isClass())
2867 type=elementtype.getSafeSymbol()+" ";
2869 if (this.state.ARRAYBOUNDARYCHECK && fen.needsBoundsCheck()) {
2870 output.println("if (unlikely(((unsigned int)"+generateTemp(fm, fen.getIndex())+") >= "+generateTemp(fm,fen.getSrc()) + "->___length___))");
2871 output.println("failedboundschk(" + (boundschknum++) + ");");
2873 output.println(generateTemp(fm, fen.getDst())+"=(("+ type+"*)(((char *) &("+ generateTemp(fm,fen.getSrc())+"->___length___))+sizeof(int)))["+generateTemp(fm, fen.getIndex())+"];");
2876 protected void generateFlatSetElementNode(FlatMethod fm, FlatSetElementNode fsen, PrintWriter output) {
2877 //TODO: need dynamic check to make sure this assignment is actually legal
2878 //Because Object[] could actually be something more specific...ie. Integer[]
2880 TypeDescriptor elementtype=fsen.getDst().getType().dereference();
2883 if (elementtype.isClass() && elementtype.getClassDesc().isEnum()) {
2885 } else if (elementtype.isArray()||elementtype.isClass() || (elementtype.isNull()))
2888 type=elementtype.getSafeSymbol()+" ";
2890 if (this.state.ARRAYBOUNDARYCHECK && fsen.needsBoundsCheck()) {
2891 output.println("if (unlikely(((unsigned int)"+generateTemp(fm, fsen.getIndex())+") >= "+generateTemp(fm,fsen.getDst()) + "->___length___))");
2892 output.println("failedboundschk(" + (boundschknum++) + ");");
2894 if (state.FASTCHECK) {
2895 String dst=generateTemp(fm, fsen.getDst());
2896 output.println("if(!"+dst+"->"+localcopystr+") {");
2897 /* Link object into list */
2898 if (GENERATEPRECISEGC || this.state.MULTICOREGC)
2899 output.println("COPY_OBJ((struct garbagelist *)"+localsprefixaddr+",(struct ___Object___ *)"+dst+");");
2901 output.println("COPY_OBJ("+dst+");");
2902 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2903 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2904 output.println("}");
2906 output.println("(("+type +"*)(((char *) &("+ generateTemp(fm,fsen.getDst())+"->___length___))+sizeof(int)))["+generateTemp(fm, fsen.getIndex())+"]="+generateTemp(fm,fsen.getSrc())+";");
2910 protected void generateFlatNew(FlatMethod fm, FlatNew fn, PrintWriter output) {
2911 String dst=generateTemp(fm,fn.getDst());
2913 if (fn.getType().isArray()) {
2914 int arrayid=state.getArrayNumber(fn.getType())+state.numClasses();
2915 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2916 output.println(generateTemp(fm,fn.getDst())+"=allocate_newarray("+localsprefixaddr+", "+arrayid+", "+generateTemp(fm, fn.getSize())+");");
2918 output.println(generateTemp(fm,fn.getDst())+"=allocate_newarray("+arrayid+", "+generateTemp(fm, fn.getSize())+");");
2921 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2922 output.println(generateTemp(fm,fn.getDst())+"=allocate_new("+localsprefixaddr+", "+fn.getType().getClassDesc().getId()+");");
2924 output.println(generateTemp(fm,fn.getDst())+"=allocate_new("+fn.getType().getClassDesc().getId()+");");
2927 if (state.FASTCHECK) {
2928 output.println(dst+"->___localcopy___=(struct ___Object___*)1;");
2929 output.println(dst+"->"+nextobjstr+"="+fcrevert+";");
2930 output.println(fcrevert+"=(struct ___Object___ *)"+dst+";");
2933 for(BuildCodeExtension bcx: extensions) {
2934 bcx.additionalCodeNewObject(output, dst, fn);
2938 protected void generateFlatTagDeclaration(FlatMethod fm, FlatTagDeclaration fn, PrintWriter output) {
2939 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
2940 output.println(generateTemp(fm,fn.getDst())+"=allocate_tag("+localsprefixaddr+", "+state.getTagId(fn.getType())+");");
2942 output.println(generateTemp(fm,fn.getDst())+"=allocate_tag("+state.getTagId(fn.getType())+");");
2946 protected void generateFlatOpNode(FlatMethod fm, FlatOpNode fon, PrintWriter output) {
2947 if (fon.getRight()!=null) {
2948 if (fon.getOp().getOp()==Operation.URIGHTSHIFT) {
2949 if (fon.getLeft().getType().isLong())
2950 output.println(generateTemp(fm, fon.getDest())+" = ((unsigned long long)"+generateTemp(fm, fon.getLeft())+")>>"+generateTemp(fm,fon.getRight())+";");
2952 output.println(generateTemp(fm, fon.getDest())+" = ((unsigned int)"+generateTemp(fm, fon.getLeft())+")>>"+generateTemp(fm,fon.getRight())+";");
2955 if (fon.getLeft().getType().isPtr()&&fon.getLeft().getType()!=fon.getRight().getType()&&!fon.getRight().getType().isNull())
2956 output.println(generateTemp(fm, fon.getDest())+" = (struct "+fon.getRight().getType().getSafeSymbol()+"*)"+generateTemp(fm, fon.getLeft())+fon.getOp().toString()+generateTemp(fm,fon.getRight())+";");
2958 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+fon.getOp().toString()+generateTemp(fm,fon.getRight())+";");
2960 } else if (fon.getOp().getOp()==Operation.ASSIGN)
2961 if (fon.getDest().getType().isPtr()&&fon.getDest().getType()!=fon.getLeft().getType())
2962 output.println(generateTemp(fm, fon.getDest())+" = (struct "+fon.getDest().getType().getSafeSymbol()+"*)"+generateTemp(fm, fon.getLeft())+";");
2964 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+";");
2965 else if (fon.getOp().getOp()==Operation.UNARYPLUS)
2966 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+";");
2967 else if (fon.getOp().getOp()==Operation.UNARYMINUS)
2968 output.println(generateTemp(fm, fon.getDest())+" = -"+generateTemp(fm, fon.getLeft())+";");
2969 else if (fon.getOp().getOp()==Operation.LOGIC_NOT)
2970 output.println(generateTemp(fm, fon.getDest())+" = !"+generateTemp(fm, fon.getLeft())+";");
2971 else if (fon.getOp().getOp()==Operation.COMP)
2972 output.println(generateTemp(fm, fon.getDest())+" = ~"+generateTemp(fm, fon.getLeft())+";");
2973 else if (fon.getOp().getOp()==Operation.ISAVAILABLE) {
2974 output.println(generateTemp(fm, fon.getDest())+" = "+generateTemp(fm, fon.getLeft())+"->fses==NULL;");
2976 output.println(generateTemp(fm, fon.getDest())+fon.getOp().toString()+generateTemp(fm, fon.getLeft())+";");
2979 protected void generateFlatCastNode(FlatMethod fm, FlatCastNode fcn, PrintWriter output) {
2980 /* TODO: Do type check here */
2981 if (fcn.getType().isArray()) {
2982 output.println(generateTemp(fm,fcn.getDst())+"=(struct ArrayObject *)"+generateTemp(fm,fcn.getSrc())+";");
2983 } else if (fcn.getType().isClass() && fcn.getType().getClassDesc().isEnum()) {
2984 output.println(generateTemp(fm,fcn.getDst())+"=(int)"+generateTemp(fm,fcn.getSrc())+";");
2985 } else if (fcn.getType().isClass())
2986 output.println(generateTemp(fm,fcn.getDst())+"=(struct "+fcn.getType().getSafeSymbol()+" *)"+generateTemp(fm,fcn.getSrc())+";");
2988 output.println(generateTemp(fm,fcn.getDst())+"=("+fcn.getType().getSafeSymbol()+")"+generateTemp(fm,fcn.getSrc())+";");
2993 protected void generateFlatLiteralNode(FlatMethod fm, FlatLiteralNode fln, PrintWriter output) {
2994 if (fln.getValue()==null)
2995 output.println(generateTemp(fm, fln.getDst())+"=0;");
2996 else if (fln.getType().getSymbol().equals(TypeUtil.StringClass)) {
2997 String str=(String)fln.getValue();
2998 output.println("{");
2999 output.print("short str"+flncount+"[]={");
3000 for(int i=0; i<str.length(); i++) {
3003 output.print(((int)str.charAt(i)));
3005 output.println("};");
3006 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
3007 output.println(generateTemp(fm, fln.getDst())+"=NewStringShort("+localsprefixaddr+", str"+flncount+", "+((String)fln.getValue()).length()+");");
3009 output.println(generateTemp(fm, fln.getDst())+"=NewStringShort(str"+flncount+" ,"+((String)fln.getValue()).length()+");");
3012 for(BuildCodeExtension bcx: extensions) {
3013 bcx.additionalCodeNewStringLiteral(output, generateTemp(fm, fln.getDst()));
3016 output.println("}");
3018 } else if (fln.getType().isBoolean()) {
3019 if (((Boolean)fln.getValue()).booleanValue())
3020 output.println(generateTemp(fm, fln.getDst())+"=1;");
3022 output.println(generateTemp(fm, fln.getDst())+"=0;");
3023 } else if (fln.getType().isChar()) {
3024 int val=(int)(((Character)fln.getValue()).charValue());
3025 output.println(generateTemp(fm, fln.getDst())+"="+val+";");
3026 } else if (fln.getType().isLong()) {
3027 output.println(generateTemp(fm, fln.getDst())+"="+fln.getValue()+"LL;");
3029 output.println(generateTemp(fm, fln.getDst())+"="+fln.getValue()+";");
3032 protected void generateFlatReturnNode(FlatMethod fm, FlatReturnNode frn, PrintWriter output) {
3033 if((fm.getMethod() != null) && (fm.getMethod().isStaticBlock())) {
3034 // a static block, check if it has been executed
3035 output.println(" global_defsprim_p->" + fm.getMethod().getClassDesc().getSafeSymbol()+"static_block_exe_flag = 1;");
3039 if (frn.getReturnTemp()!=null) {
3040 if (frn.getReturnTemp().getType().isPtr())
3041 output.println("return (struct "+fm.getMethod().getReturnType().getSafeSymbol()+"*)"+generateTemp(fm, frn.getReturnTemp())+";");
3043 output.println("return "+generateTemp(fm, frn.getReturnTemp())+";");
3045 output.println("return;");
3049 protected void generateFlatCondBranch(FlatMethod fm, FlatCondBranch fcb, String label, PrintWriter output) {
3050 output.println("if (!"+generateTemp(fm, fcb.getTest())+") goto "+label+";");
3053 /** This method generates header information for the method or
3054 * task referenced by the Descriptor des. */
3055 protected void generateHeader(FlatMethod fm, Descriptor des, PrintWriter output) {
3056 generateHeader(fm, des, output, false);
3059 protected void generateHeader(FlatMethod fm, Descriptor des, PrintWriter output, boolean addSESErecord) {
3061 ParamsObject objectparams=(ParamsObject)paramstable.get(des);
3062 MethodDescriptor md=null;
3063 TaskDescriptor task=null;
3064 if (des instanceof MethodDescriptor)
3065 md=(MethodDescriptor) des;
3067 task=(TaskDescriptor) des;
3068 String mdstring = md != null?md.getSafeMethodDescriptor():null;
3070 ClassDescriptor cn=md!=null?md.getClassDesc():null;
3072 if (md!=null&&md.getReturnType()!=null) {
3073 if (md.getReturnType().isClass() && md.getReturnType().getClassDesc().isEnum()) {
3074 output.print("int ");
3075 } else if (md.getReturnType().isClass()||md.getReturnType().isArray())
3076 output.print("struct " + md.getReturnType().getSafeSymbol()+" * ");
3078 output.print(md.getReturnType().getSafeSymbol()+" ");
3080 //catch the constructor case
3081 output.print("void ");
3083 if(mgcstaticinit && !md.isStaticBlock() && !md.getModifiers().isNative()) {
3084 mdstring += "staticinit";
3086 output.print(cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"(");
3088 output.print(task.getSafeSymbol()+"(");
3090 boolean printcomma=false;
3091 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC)) {
3093 output.print("struct "+cn.getSafeSymbol()+md.getSafeSymbol()+"_"+mdstring+"_params * "+paramsprefix);
3095 output.print("struct "+task.getSafeSymbol()+"_params * "+paramsprefix);
3101 for(int i=0; i<objectparams.numPrimitives(); i++) {
3102 TempDescriptor temp=objectparams.getPrimitive(i);
3106 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
3107 output.print("int " + temp.getSafeSymbol());
3108 } else if (temp.getType().isClass()||temp.getType().isArray())
3109 output.print("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol());
3111 output.print(temp.getType().getSafeSymbol()+" "+temp.getSafeSymbol());
3113 output.println(") {");
3114 } else if (!GENERATEPRECISEGC && !this.state.MULTICOREGC) {
3115 /* Imprecise Task */
3116 output.println("void * parameterarray[]) {");
3117 /* Unpack variables */
3118 for(int i=0; i<objectparams.numPrimitives(); i++) {
3119 TempDescriptor temp=objectparams.getPrimitive(i);
3120 if(temp.getType().isClass() && temp.getType().getClassDesc().isEnum()) {
3121 output.print("int " + temp.getSafeSymbol() + "=parameterarray["+i+"];");
3123 output.println("struct "+temp.getType().getSafeSymbol()+" * "+temp.getSafeSymbol()+"=parameterarray["+i+"];");
3126 for(int i=0; i<fm.numTags(); i++) {
3127 TempDescriptor temp=fm.getTag(i);
3128 int offset=i+objectparams.numPrimitives();
3129 output.println("struct ___TagDescriptor___ * "+temp.getSafeSymbol()+"=parameterarray["+offset+"];");
3132 if ((objectparams.numPrimitives()+fm.numTags())>maxtaskparams)
3133 maxtaskparams=objectparams.numPrimitives()+fm.numTags();
3134 } else output.println(") {");
3137 public void generateFlatFlagActionNode(FlatMethod fm, FlatFlagActionNode ffan, PrintWriter output) {
3138 output.println("/* FlatFlagActionNode */");
3141 /* Process tag changes */
3142 Relation tagsettable=new Relation();
3143 Relation tagcleartable=new Relation();
3145 Iterator tagsit=ffan.getTempTagPairs();
3146 while (tagsit.hasNext()) {
3147 TempTagPair ttp=(TempTagPair) tagsit.next();
3148 TempDescriptor objtmp=ttp.getTemp();
3149 TagDescriptor tag=ttp.getTag();
3150 TempDescriptor tagtmp=ttp.getTagTemp();
3151 boolean tagstatus=ffan.getTagChange(ttp);
3153 tagsettable.put(objtmp, tagtmp);
3155 tagcleartable.put(objtmp, tagtmp);
3160 Hashtable flagandtable=new Hashtable();
3161 Hashtable flagortable=new Hashtable();
3163 /* Process flag changes */
3164 Iterator flagsit=ffan.getTempFlagPairs();
3165 while(flagsit.hasNext()) {
3166 TempFlagPair tfp=(TempFlagPair)flagsit.next();
3167 TempDescriptor temp=tfp.getTemp();
3168 Hashtable flagtable=(Hashtable)flagorder.get(temp.getType().getClassDesc());
3169 FlagDescriptor flag=tfp.getFlag();
3171 //Newly allocate objects that don't set any flags case
3172 if (flagortable.containsKey(temp)) {
3176 flagortable.put(temp,new Integer(mask));
3178 int flagid=1<<((Integer)flagtable.get(flag)).intValue();
3179 boolean flagstatus=ffan.getFlagChange(tfp);
3182 if (flagortable.containsKey(temp)) {
3183 mask=((Integer)flagortable.get(temp)).intValue();
3186 flagortable.put(temp,new Integer(mask));
3188 int mask=0xFFFFFFFF;
3189 if (flagandtable.containsKey(temp)) {
3190 mask=((Integer)flagandtable.get(temp)).intValue();
3192 mask&=(0xFFFFFFFF^flagid);
3193 flagandtable.put(temp,new Integer(mask));
3199 HashSet flagtagset=new HashSet();
3200 flagtagset.addAll(flagortable.keySet());
3201 flagtagset.addAll(flagandtable.keySet());
3202 flagtagset.addAll(tagsettable.keySet());
3203 flagtagset.addAll(tagcleartable.keySet());
3205 Iterator ftit=flagtagset.iterator();
3206 while(ftit.hasNext()) {
3207 TempDescriptor temp=(TempDescriptor)ftit.next();
3210 Set tagtmps=tagcleartable.get(temp);
3211 if (tagtmps!=null) {
3212 Iterator tagit=tagtmps.iterator();
3213 while(tagit.hasNext()) {
3214 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
3215 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC))
3216 output.println("tagclear("+localsprefixaddr+", (struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
3218 output.println("tagclear((struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
3222 tagtmps=tagsettable.get(temp);
3223 if (tagtmps!=null) {
3224 Iterator tagit=tagtmps.iterator();
3225 while(tagit.hasNext()) {
3226 TempDescriptor tagtmp=(TempDescriptor)tagit.next();
3227 if ((GENERATEPRECISEGC) || (this.state.MULTICOREGC))
3228 output.println("tagset("+localsprefixaddr+", (struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
3230 output.println("tagset((struct ___Object___ *)"+generateTemp(fm, temp)+", "+generateTemp(fm,tagtmp)+");");
3235 int andmask=0xFFFFFFF;
3237 if (flagortable.containsKey(temp))
3238 ormask=((Integer)flagortable.get(temp)).intValue();
3239 if (flagandtable.containsKey(temp))
3240 andmask=((Integer)flagandtable.get(temp)).intValue();
3241 generateFlagOrAnd(ffan, fm, temp, output, ormask, andmask);
3242 generateObjectDistribute(ffan, fm, temp, output);
3246 protected void generateFlagOrAnd(FlatFlagActionNode ffan, FlatMethod fm, TempDescriptor temp,
3247 PrintWriter output, int ormask, int andmask) {
3248 if (ffan.getTaskType()==FlatFlagActionNode.NEWOBJECT) {
3249 output.println("flagorandinit("+generateTemp(fm, temp)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
3251 output.println("flagorand("+generateTemp(fm, temp)+", 0x"+Integer.toHexString(ormask)+", 0x"+Integer.toHexString(andmask)+");");
3255 protected void generateObjectDistribute(FlatFlagActionNode ffan, FlatMethod fm, TempDescriptor temp, PrintWriter output) {
3256 output.println("enqueueObject("+generateTemp(fm, temp)+");");
3259 void generateOptionalHeader(PrintWriter headers) {
3262 headers.println("#include \"task.h\"\n\n");
3263 headers.println("#ifndef _OPTIONAL_STRUCT_");
3264 headers.println("#define _OPTIONAL_STRUCT_");
3266 //STRUCT PREDICATEMEMBER
3267 headers.println("struct predicatemember{");
3268 headers.println("int type;");
3269 headers.println("int numdnfterms;");
3270 headers.println("int * flags;");
3271 headers.println("int numtags;");
3272 headers.println("int * tags;\n};\n\n");
3274 //STRUCT OPTIONALTASKDESCRIPTOR
3275 headers.println("struct optionaltaskdescriptor{");
3276 headers.println("struct taskdescriptor * task;");
3277 headers.println("int index;");
3278 headers.println("int numenterflags;");
3279 headers.println("int * enterflags;");
3280 headers.println("int numpredicatemembers;");
3281 headers.println("struct predicatemember ** predicatememberarray;");
3282 headers.println("};\n\n");
3284 //STRUCT TASKFAILURE
3285 headers.println("struct taskfailure {");
3286 headers.println("struct taskdescriptor * task;");
3287 headers.println("int index;");
3288 headers.println("int numoptionaltaskdescriptors;");
3289 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
3291 //STRUCT FSANALYSISWRAPPER
3292 headers.println("struct fsanalysiswrapper{");
3293 headers.println("int flags;");
3294 headers.println("int numtags;");
3295 headers.println("int * tags;");
3296 headers.println("int numtaskfailures;");
3297 headers.println("struct taskfailure ** taskfailurearray;");
3298 headers.println("int numoptionaltaskdescriptors;");
3299 headers.println("struct optionaltaskdescriptor ** optionaltaskdescriptorarray;\n};\n\n");
3301 //STRUCT CLASSANALYSISWRAPPER
3302 headers.println("struct classanalysiswrapper{");
3303 headers.println("int type;");
3304 headers.println("int numotd;");
3305 headers.println("struct optionaltaskdescriptor ** otdarray;");
3306 headers.println("int numfsanalysiswrappers;");
3307 headers.println("struct fsanalysiswrapper ** fsanalysiswrapperarray;\n};");
3309 headers.println("extern struct classanalysiswrapper * classanalysiswrapperarray[];");
3311 Iterator taskit=state.getTaskSymbolTable().getDescriptorsIterator();
3312 while(taskit.hasNext()) {
3313 TaskDescriptor td=(TaskDescriptor)taskit.next();
3314 headers.println("extern struct taskdescriptor task_"+td.getSafeSymbol()+";");
3319 //CHECK OVER THIS -- THERE COULD BE SOME ERRORS HERE
3320 int generateOptionalPredicate(Predicate predicate, OptionalTaskDescriptor otd, ClassDescriptor cdtemp, PrintWriter output) {
3321 int predicateindex = 0;
3322 //iterate through the classes concerned by the predicate
3323 Set c_vard = predicate.vardescriptors;
3324 Hashtable<TempDescriptor, Integer> slotnumber=new Hashtable<TempDescriptor, Integer>();
3327 for(Iterator vard_it = c_vard.iterator(); vard_it.hasNext(); ) {
3328 VarDescriptor vard = (VarDescriptor)vard_it.next();
3329 TypeDescriptor typed = vard.getType();
3331 //generate for flags
3332 HashSet fen_hashset = predicate.flags.get(vard.getSymbol());
3333 output.println("int predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3335 if (fen_hashset!=null) {
3336 for (Iterator fen_it = fen_hashset.iterator(); fen_it.hasNext(); ) {
3337 FlagExpressionNode fen = (FlagExpressionNode)fen_it.next();
3339 DNFFlag dflag=fen.getDNF();
3340 numberterms+=dflag.size();
3342 Hashtable flags=(Hashtable)flagorder.get(typed.getClassDesc());
3344 for(int j=0; j<dflag.size(); j++) {
3346 output.println(",");
3347 Vector term=dflag.get(j);
3350 for(int k=0; k<term.size(); k++) {
3351 DNFFlagAtom dfa=(DNFFlagAtom)term.get(k);
3352 FlagDescriptor fd=dfa.getFlag();
3353 boolean negated=dfa.getNegated();
3354 int flagid=1<<((Integer)flags.get(fd)).intValue();
3359 output.print("/*andmask*/0x"+Integer.toHexString(andmask)+", /*checkmask*/0x"+Integer.toHexString(checkmask));
3364 output.println("};\n");
3367 TagExpressionList tagel = predicate.tags.get(vard.getSymbol());
3368 output.println("int predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3371 for(int j=0; j<tagel.numTags(); j++) {
3373 output.println(",");
3374 TempDescriptor tmp=tagel.getTemp(j);
3375 if (!slotnumber.containsKey(tmp)) {
3376 Integer slotint=new Integer(current_slot++);
3377 slotnumber.put(tmp,slotint);
3379 int slot=slotnumber.get(tmp).intValue();
3380 output.println("/* slot */"+ slot+", /*tagid*/"+state.getTagId(tmp.getTag()));
3382 numtags = tagel.numTags();
3384 output.println("};");
3386 //store the result into a predicatemember struct
3387 output.println("struct predicatemember predicatemember_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
3388 output.println("/*type*/"+typed.getClassDesc().getId()+",");
3389 output.println("/* number of dnf terms */"+numberterms+",");
3390 output.println("predicateflags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3391 output.println("/* number of tag */"+numtags+",");
3392 output.println("predicatetags_"+predicateindex+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3393 output.println("};\n");
3398 //generate an array that stores the entire predicate
3399 output.println("struct predicatemember * predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3400 for( int j = 0; j<predicateindex; j++) {
3401 if( j != predicateindex-1) output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3402 else output.println("&predicatemember_"+j+"_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3404 output.println("};\n");
3405 return predicateindex;
3409 void generateOptionalArrays(PrintWriter output, PrintWriter headers, Hashtable<ClassDescriptor, Hashtable<FlagState, Set<OptionalTaskDescriptor>>> safeexecution, Hashtable optionaltaskdescriptors) {
3410 generateOptionalHeader(headers);
3412 output.println("#include \"optionalstruct.h\"\n\n");
3413 output.println("#include \"stdlib.h\"\n");
3415 HashSet processedcd = new HashSet();
3417 Enumeration e = safeexecution.keys();
3418 while (e.hasMoreElements()) {
3421 ClassDescriptor cdtemp=(ClassDescriptor)e.nextElement();
3422 Hashtable flaginfo=(Hashtable)flagorder.get(cdtemp); //will be used several times
3424 //Generate the struct of optionals
3425 Collection c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
3426 numotd = c_otd.size();
3427 if(maxotd<numotd) maxotd = numotd;
3428 if( !c_otd.isEmpty() ) {
3429 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext(); ) {
3430 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
3432 //generate the int arrays for the predicate
3433 Predicate predicate = otd.predicate;
3434 int predicateindex = generateOptionalPredicate(predicate, otd, cdtemp, output);
3435 TreeSet<Integer> fsset=new TreeSet<Integer>();
3436 //iterate through possible FSes corresponding to
3437 //the state when entering
3439 for(Iterator fses = otd.enterflagstates.iterator(); fses.hasNext(); ) {
3440 FlagState fs = (FlagState)fses.next();
3442 for(Iterator flags = fs.getFlags(); flags.hasNext(); ) {
3443 FlagDescriptor flagd = (FlagDescriptor)flags.next();
3444 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
3447 fsset.add(new Integer(flagid));
3448 //tag information not needed because tag
3449 //changes are not tolerated.
3452 output.println("int enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"[]={");
3453 boolean needcomma=false;
3454 for(Iterator<Integer> it=fsset.iterator(); it.hasNext(); ) {
3457 output.println(it.next());
3460 output.println("};\n");
3463 //generate optionaltaskdescriptor that actually
3464 //includes exit fses, predicate and the task
3466 output.println("struct optionaltaskdescriptor optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+"={");
3467 output.println("&task_"+otd.td.getSafeSymbol()+",");
3468 output.println("/*index*/"+otd.getIndex()+",");
3469 output.println("/*number of enter flags*/"+fsset.size()+",");
3470 output.println("enterflag_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3471 output.println("/*number of members */"+predicateindex+",");
3472 output.println("predicatememberarray_OTD"+otd.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3473 output.println("};\n");
3477 // if there are no optionals, there is no need to build the rest of the struct
3479 output.println("struct optionaltaskdescriptor * otdarray"+cdtemp.getSafeSymbol()+"[]={");
3480 c_otd = ((Hashtable)optionaltaskdescriptors.get(cdtemp)).values();
3481 if( !c_otd.isEmpty() ) {
3482 boolean needcomma=false;
3483 for(Iterator otd_it = c_otd.iterator(); otd_it.hasNext(); ) {
3484 OptionalTaskDescriptor otd = (OptionalTaskDescriptor)otd_it.next();
3486 output.println(",");
3488 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3491 output.println("};\n");
3493 //get all the possible flagstates reachable by an object
3494 Hashtable hashtbtemp = safeexecution.get(cdtemp);
3496 TreeSet fsts=new TreeSet(new FlagComparator(flaginfo));
3497 fsts.addAll(hashtbtemp.keySet());
3498 for(Iterator fsit=fsts.iterator(); fsit.hasNext(); ) {
3499 FlagState fs = (FlagState)fsit.next();
3502 //get the set of OptionalTaskDescriptors corresponding
3503 HashSet<OptionalTaskDescriptor> availabletasks = (HashSet<OptionalTaskDescriptor>)hashtbtemp.get(fs);
3504 //iterate through the OptionalTaskDescriptors and
3505 //store the pointers to the optionals struct (see on
3506 //top) into an array
3508 output.println("struct optionaltaskdescriptor * optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[] = {");
3509 for(Iterator<OptionalTaskDescriptor> mos = ordertd(availabletasks).iterator(); mos.hasNext(); ) {
3510 OptionalTaskDescriptor mm = mos.next();
3512 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol());
3514 output.println("&optionaltaskdescriptor_"+mm.getuid()+"_"+cdtemp.getSafeSymbol()+",");
3517 output.println("};\n");
3519 //process flag information (what the flag after failure is) so we know what optionaltaskdescriptors to choose.
3522 for(Iterator flags = fs.getFlags(); flags.hasNext(); ) {
3523 FlagDescriptor flagd = (FlagDescriptor)flags.next();
3524 int id=1<<((Integer)flaginfo.get(flagd)).intValue();
3528 //process tag information
3531 boolean first = true;
3532 Enumeration tag_enum = fs.getTags();
3533 output.println("int tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
3534 while(tag_enum.hasMoreElements()) {
3536 TagDescriptor tagd = (TagDescriptor)tag_enum.nextElement();
3540 output.println(", ");
3541 output.println("/*tagid*/"+state.getTagId(tagd));
3543 output.println("};");
3545 Set<TaskIndex> tiset=sa.getTaskIndex(fs);
3546 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext(); ) {
3547 TaskIndex ti=itti.next();
3551 Set<OptionalTaskDescriptor> otdset=sa.getOptions(fs, ti);
3553 output.print("struct optionaltaskdescriptor * optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array[] = {");
3554 boolean needcomma=false;
3555 for(Iterator<OptionalTaskDescriptor> otdit=ordertd(otdset).iterator(); otdit.hasNext(); ) {
3556 OptionalTaskDescriptor otd=otdit.next();
3560 output.println("&optionaltaskdescriptor_"+otd.getuid()+"_"+cdtemp.getSafeSymbol());
3562 output.println("};");
3564 output.print("struct taskfailure taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+" = {");
3565 output.print("&task_"+ti.getTask().getSafeSymbol()+", ");
3566 output.print(ti.getIndex()+", ");
3567 output.print(otdset.size()+", ");
3568 output.print("optionaltaskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex()+"_array");
3569 output.println("};");
3572 tiset=sa.getTaskIndex(fs);
3573 boolean needcomma=false;
3575 output.println("struct taskfailure * taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+"[]={");
3576 for(Iterator<TaskIndex> itti=tiset.iterator(); itti.hasNext(); ) {
3577 TaskIndex ti=itti.next();
3578 if (ti.isRuntime()) {
3585 output.print("&taskfailure_FS"+fscounter+"_"+ti.getTask().getSafeSymbol()+"_"+ti.getIndex());
3587 output.println("};\n");
3589 //Store the result in fsanalysiswrapper
3591 output.println("struct fsanalysiswrapper fsanalysiswrapper_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+"={");
3592 output.println("/*flag*/"+flagid+",");
3593 output.println("/* number of tags*/"+tagcounter+",");
3594 output.println("tags_FS"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
3595 output.println("/* numtask failures */"+(tiset.size()-runtimeti)+",");
3596 output.println("taskfailurearray"+fscounter+"_"+cdtemp.getSafeSymbol()+",");
3597 output.println("/* number of optionaltaskdescriptors */"+availabletasks.size()+",");
3598 output.println("optionaltaskdescriptorarray_FS"+fscounter+"_"+cdtemp.getSafeSymbol());
3599 output.println("};\n");
3603 //Build the array of fsanalysiswrappers
3604 output.println("struct fsanalysiswrapper * fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"[] = {");
3605 boolean needcomma=false;
3606 for(int i = 0; i<fscounter; i++) {
3607 if (needcomma) output.print(",");
3608 output.println("&fsanalysiswrapper_FS"+(i+1)+"_"+cdtemp.getSafeSymbol());
3611 output.println("};");
3613 //Build the classanalysiswrapper referring to the previous array
3614 output.println("struct classanalysiswrapper classanalysiswrapper_"+cdtemp.getSafeSymbol()+"={");
3615 output.println("/*type*/"+cdtemp.getId()+",");
3616 output.println("/*numotd*/"+numotd+",");
3617 output.println("otdarray"+cdtemp.getSafeSymbol()+",");
3618 output.println("/* number of fsanalysiswrappers */"+fscounter+",");
3619 output.println("fsanalysiswrapperarray_"+cdtemp.getSafeSymbol()+"};\n");
3620 processedcd.add(cdtemp);
3623 //build an array containing every classes for which code has been build
3624 output.println("struct classanalysiswrapper * classanalysiswrapperarray[]={");
3625 for(int i=0; i<state.numClasses(); i++) {
3626 ClassDescriptor cn=cdarray[i];
3629 if ((cn != null) && (processedcd.contains(cn)))
3630 output.print("&classanalysiswrapper_"+cn.getSafeSymbol());
3632 output.print("NULL");
3634 output.println("};");
3636 output.println("#define MAXOTD "+maxotd);
3637 headers.println("#endif");
3640 public List<OptionalTaskDescriptor> ordertd(Set<OptionalTaskDescriptor> otdset) {
3641 Relation r=new Relation();
3642 for(Iterator<OptionalTaskDescriptor>otdit=otdset.iterator(); otdit.hasNext(); ) {
3643 OptionalTaskDescriptor otd=otdit.next();
3644 TaskIndex ti=new TaskIndex(otd.td, otd.getIndex());
3648 LinkedList<OptionalTaskDescriptor> l=new LinkedList<OptionalTaskDescriptor>();
3649 for(Iterator it=r.keySet().iterator(); it.hasNext(); ) {
3650 Set s=r.get(it.next());
3651 for(Iterator it2=s.iterator(); it2.hasNext(); ) {
3652 OptionalTaskDescriptor otd=(OptionalTaskDescriptor)it2.next();
3662 // either create and register an extension object with buildcode
3663 // or look at the following option of subclassing BuildCode
3664 private Vector<BuildCodeExtension> extensions;
3666 // note that extensions are invoked in the order they are added
3668 public void registerExtension( BuildCodeExtension bcx ) {
3669 extensions.add( bcx );
3673 // override these methods in a subclass of BuildCode
3674 // to generate code for additional systems
3675 protected void printExtraArrayFields(PrintWriter outclassdefs) {
3677 protected void outputTransCode(PrintWriter output) {
3679 protected void buildCodeSetup() {
3681 protected void generateSizeArrayExtensions(PrintWriter outclassdefs) {
3683 protected void additionalIncludesMethodsHeader(PrintWriter outmethodheader) {
3685 protected void preCodeGenInitialization() {
3687 protected void postCodeGenCleanUp() {
3689 protected void additionalCodeGen(PrintWriter outmethodheader,
3690 PrintWriter outstructs,
3691 PrintWriter outmethod) {
3693 protected void additionalCodeAtTopOfMain(PrintWriter outmethod) {
3695 protected void additionalCodeForCommandLineArgs(PrintWriter outmethod, String argsVar) {
3697 protected void additionalCodeAtBottomOfMain(PrintWriter outmethod) {
3699 protected void additionalIncludesMethodsImplementation(PrintWriter outmethod) {
3701 protected void additionalIncludesStructsHeader(PrintWriter outstructs) {
3703 protected void additionalClassObjectFields(PrintWriter outclassdefs) {
3705 protected void additionalCodeAtTopMethodsImplementation(PrintWriter outmethod) {
3707 protected void additionalCodeAtTopFlatMethodBody(PrintWriter output, FlatMethod fm) {
3709 protected void additionalCodePreNode(FlatMethod fm, FlatNode fn, PrintWriter output) {
3711 protected void additionalCodePostNode(FlatMethod fm, FlatNode fn, PrintWriter output) {
3714 private void printSourceLineNumber(FlatMethod fm, FlatNode fn, PrintWriter output) {
3715 // we do not print out line number if no one explicitly set the number
3716 if(fn.getNumLine()!=-1) {
3718 int lineNum=fn.getNumLine();
3720 // do not generate the line number if it is same as the previous one
3721 boolean needtoprint;
3722 if(fn.prev.size()==0) {
3728 for(int i=0; i<fn.prev.size(); i++) {
3729 int prevLineNum=((FlatNode)fn.prev.get(i)).getNumLine();
3730 if(prevLineNum!=lineNum) {
3736 output.println("// "+fm.getMethod().getClassDesc().getSourceFileName()+":"+fn.getNumLine());