11 private int m_taskexitnum;
13 public BuildIR(State state) {
15 this.m_taskexitnum = 0;
18 public void buildtree(ParseNode pn, Set toanalyze, String sourcefile) {
19 parseFile(pn, toanalyze, sourcefile);
21 // numering the interfaces
23 Iterator it_classes = state.getClassSymbolTable().getValueSet().iterator();
24 while(it_classes.hasNext()) {
25 ClassDescriptor cd = (ClassDescriptor)it_classes.next();
26 if(cd.isInterface()) {
27 cd.setInterfaceId(if_num++);
32 //This is all single imports and a subset of the
33 //multi imports that have been resolved.
34 Hashtable mandatoryImports;
35 //maps class names in file to full name
36 //Note may map a name to an ERROR.
37 Hashtable multiimports;
38 NameDescriptor packages;
40 /** Parse the classes in this file */
41 public void parseFile(ParseNode pn, Set toanalyze, String sourcefile) {
42 mandatoryImports = new Hashtable();
43 multiimports = new Hashtable();
46 //add java.lang as our default multi-import
47 this.addMultiImport(sourcefile, "java.lang", false);
50 ParseNode ipn = pn.getChild("imports").getChild("import_decls_list");
52 ParseNodeVector pnv = ipn.getChildren();
53 for (int i = 0; i < pnv.size(); i++) {
54 ParseNode pnimport = pnv.elementAt(i);
55 NameDescriptor nd = parseName(pnimport.getChild("name"));
56 if (isNode(pnimport, "import_single")) {
57 if (!mandatoryImports.containsKey(nd.getIdentifier())) {
58 // map name to full name (includes package/directory
59 mandatoryImports.put(nd.getIdentifier(), nd.getPathFromRootToHere());
61 throw new Error("An ambiguous class "+ nd.getIdentifier() +" has been found. It is included for " +
62 ((String)mandatoryImports.get(nd.getIdentifier())) + " and " +
63 nd.getPathFromRootToHere());
67 addMultiImport(sourcefile, nd.getPathFromRootToHere(), false);
72 ParseNode ppn=pn.getChild("packages").getChild("package");
73 String packageName = null;
75 NameDescriptor nd = parseClassName(ppn.getChild("name"));
76 packageName = nd.getPathFromRootToHere();
77 //Trick -> import the package directory as a multi-import and it'll
78 //automatically recognize files in the same directory.
79 addMultiImport(sourcefile, packageName, true);
82 ParseNode tpn=pn.getChild("type_declaration_list");
84 ParseNodeVector pnv = tpn.getChildren();
85 for (int i = 0; i < pnv.size(); i++) {
86 ParseNode type_pn = pnv.elementAt(i);
87 if (isEmpty(type_pn)) /* Skip the semicolon */
89 if (isNode(type_pn, "class_declaration")) {
90 ClassDescriptor cn = parseTypeDecl(type_pn, packageName);
91 cn.setSourceFileName(sourcefile);
92 parseInitializers(cn);
93 if (toanalyze != null)
96 // for inner classes/enum
97 HashSet tovisit = new HashSet();
98 Iterator it_icds = cn.getInnerClasses();
99 while (it_icds.hasNext()) {
100 tovisit.add(it_icds.next());
103 while (!tovisit.isEmpty()) {
104 ClassDescriptor cd = (ClassDescriptor) tovisit.iterator().next();
106 parseInitializers(cd);
107 if (toanalyze != null) {
110 cd.setSourceFileName(sourcefile);
113 Iterator it_ics = cd.getInnerClasses();
114 while (it_ics.hasNext()) {
115 tovisit.add(it_ics.next());
118 Iterator it_ienums = cd.getEnum();
119 while (it_ienums.hasNext()) {
120 ClassDescriptor iecd = (ClassDescriptor) it_ienums.next();
121 if (toanalyze != null) {
124 iecd.setSourceFileName(sourcefile);
125 state.addClass(iecd);
129 Iterator it_enums = cn.getEnum();
130 while (it_enums.hasNext()) {
131 ClassDescriptor ecd = (ClassDescriptor) it_enums.next();
132 if (toanalyze != null) {
135 ecd.setSourceFileName(sourcefile);
138 } else if (isNode(type_pn, "task_declaration")) {
139 TaskDescriptor td = parseTaskDecl(type_pn);
140 if (toanalyze != null)
143 } else if (isNode(type_pn, "interface_declaration")) {
144 // TODO add version for normal Java later
145 ClassDescriptor cn = parseInterfaceDecl(type_pn, packageName);
146 if (toanalyze != null)
148 cn.setSourceFileName(sourcefile);
152 Iterator it_enums = cn.getEnum();
153 while (it_enums.hasNext()) {
154 ClassDescriptor ecd = (ClassDescriptor) it_enums.next();
155 if (toanalyze != null) {
158 ecd.setSourceFileName(sourcefile);
161 } else if (isNode(type_pn, "enum_declaration")) {
162 // TODO add version for normal Java later
163 ClassDescriptor cn = parseEnumDecl(null, type_pn);
164 if (toanalyze != null)
166 cn.setSourceFileName(sourcefile);
168 } else if(isNode(type_pn,"annotation_type_declaration")){
169 ClassDescriptor cn=parseAnnotationTypeDecl(type_pn);
170 if (toanalyze != null)
172 cn.setSourceFileName(sourcefile);
175 throw new Error(type_pn.getLabel());
183 //This kind of breaks away from tradition a little bit by doing the file checks here
184 // instead of in Semantic check, but doing it here is easier because we have a mapping early on
185 // if I wait until semantic check, I have to change ALL the type descriptors to match the new
186 // mapping and that's both ugly and tedious.
187 private void addMultiImport(String currentSource, String importPath, boolean isPackageDirectory) {
188 boolean found = false;
189 for (int j = 0; j < state.classpath.size(); j++) {
190 String path = (String) state.classpath.get(j);
191 File folder = new File(path, importPath.replace('.', '/'));
192 if (folder.exists()) {
194 for (String file : folder.list()) {
195 // if the file is of type *.java add to multiImport list.
196 if (file.lastIndexOf('.') != -1 && file.substring(file.lastIndexOf('.')).equalsIgnoreCase(".java")) {
197 String classname = file.substring(0, file.length() - 5);
198 // single imports have precedence over multi-imports
199 if (!mandatoryImports.containsKey(classname)) {
200 //package files have precedence over multi-imports.
201 if (multiimports.containsKey(classname) && !isPackageDirectory) {
202 // put error in for later, in case we try to import
203 multiimports.put(classname, new Error("Error: class " + classname + " is defined more than once in a multi-import in " + currentSource));
205 multiimports.put(classname, importPath + "." + classname);
215 throw new Error("Import package " + importPath + " in " + currentSource
216 + " cannot be resolved.");
220 public void parseInitializers(ClassDescriptor cn){
221 Vector fv=cn.getFieldVec();
223 for(int i=0;i<fv.size();i++) {
224 FieldDescriptor fd=(FieldDescriptor)fv.get(i);
225 if(fd.getExpressionNode()!=null) {
226 Iterator methodit = cn.getMethods();
227 while(methodit.hasNext()){
228 MethodDescriptor currmd=(MethodDescriptor)methodit.next();
229 if(currmd.isConstructor()){
230 BlockNode bn=state.getMethodBody(currmd);
231 NameNode nn=new NameNode(new NameDescriptor(fd.getSymbol()));
232 AssignmentNode an=new AssignmentNode(nn,fd.getExpressionNode(),new AssignOperation(1));
233 bn.addBlockStatementAt(new BlockExpressionNode(an), pos);
241 private ClassDescriptor parseEnumDecl(ClassDescriptor cn, ParseNode pn) {
242 ClassDescriptor ecd=new ClassDescriptor(pn.getChild("name").getTerminal(), false);
243 ecd.setImports(mandatoryImports);
246 ecd.setSurroundingClass(cn.getSymbol());
247 ecd.setSurrounding(cn);
250 if (!(ecd.getSymbol().equals(TypeUtil.ObjectClass)||
251 ecd.getSymbol().equals(TypeUtil.TagClass))) {
252 ecd.setSuper(TypeUtil.ObjectClass);
254 ecd.setModifiers(parseModifiersList(pn.getChild("modifiers")));
255 parseEnumBody(ecd, pn.getChild("enumbody"));
259 private void parseEnumBody(ClassDescriptor cn, ParseNode pn) {
260 ParseNode decls=pn.getChild("enum_constants_list");
262 ParseNodeVector pnv=decls.getChildren();
263 for(int i=0; i<pnv.size(); i++) {
264 ParseNode decl=pnv.elementAt(i);
265 if (isNode(decl,"enum_constant")) {
266 parseEnumConstant(cn,decl);
267 } else throw new Error();
272 private void parseEnumConstant(ClassDescriptor cn, ParseNode pn) {
273 cn.addEnumConstant(pn.getChild("name").getTerminal());
276 private ClassDescriptor parseAnnotationTypeDecl(ParseNode pn){
277 ClassDescriptor cn=new ClassDescriptor(pn.getChild("name").getTerminal(), true);
278 cn.setImports(mandatoryImports);
279 ParseNode modifiers=pn.getChild("modifiers");
281 cn.setModifiers(parseModifiersList(modifiers));
283 parseAnnotationTypeBody(cn,pn.getChild("body"));
287 private void parseAnnotationTypeBody(ClassDescriptor cn, ParseNode pn){
288 ParseNode list_node=pn.getChild("annotation_type_element_list");
290 ParseNodeVector pnv = list_node.getChildren();
291 for (int i = 0; i < pnv.size(); i++) {
292 ParseNode element_node = pnv.elementAt(i);
293 if (isNode(element_node, "annotation_type_element_declaration")) {
294 ParseNodeVector elementProps = element_node.getChildren();
295 String identifier=null;
296 TypeDescriptor type=null;
297 Modifiers modifiers=new Modifiers();
298 for(int eidx=0; eidx<elementProps.size(); eidx++) {
299 ParseNode prop_node=elementProps.elementAt(eidx);
300 if(isNode(prop_node,"name")){
301 identifier=prop_node.getTerminal();
302 }else if(isNode(prop_node,"type")){
303 type=parseTypeDescriptor(prop_node);
304 }else if(isNode(prop_node,"modifier")){
305 modifiers=parseModifiersList(prop_node);
308 cn.addField(new FieldDescriptor(modifiers, type, identifier, null, false));
314 public ClassDescriptor parseInterfaceDecl(ParseNode pn, String packageName) {
316 if(packageName == null) {
317 cn=new ClassDescriptor(pn.getChild("name").getTerminal(), true);
319 String newClassname = packageName + "." + pn.getChild("name").getTerminal();
320 cn= new ClassDescriptor(packageName, newClassname, true);
323 cn.setImports(mandatoryImports);
324 //cn.setAsInterface();
325 if (!isEmpty(pn.getChild("superIF").getTerminal())) {
326 /* parse inherited interface name */
327 ParseNode snlist=pn.getChild("superIF").getChild("extend_interface_list");
328 ParseNodeVector pnv=snlist.getChildren();
329 for(int i=0; i<pnv.size(); i++) {
330 ParseNode decl=pnv.elementAt(i);
331 if (isNode(decl,"type")) {
332 NameDescriptor nd=parseClassName(decl.getChild("class").getChild("name"));
333 cn.addSuperInterface(nd.toString());
337 cn.setModifiers(parseModifiersList(pn.getChild("modifiers")));
338 parseInterfaceBody(cn, pn.getChild("interfacebody"));
342 private void parseInterfaceBody(ClassDescriptor cn, ParseNode pn) {
343 assert(cn.isInterface());
344 ParseNode decls=pn.getChild("interface_member_declaration_list");
346 ParseNodeVector pnv=decls.getChildren();
347 for(int i=0; i<pnv.size(); i++) {
348 ParseNode decl=pnv.elementAt(i);
349 if (isNode(decl,"constant")) {
350 parseInterfaceConstant(cn,decl);
351 } else if (isNode(decl,"method")) {
352 parseInterfaceMethod(cn,decl.getChild("method_declaration"));
353 } else throw new Error();
360 private void parseInterfaceConstant(ClassDescriptor cn, ParseNode pn) {
362 parseFieldDecl(cn,pn.getChild("field_declaration"));
368 private void parseInterfaceMethod(ClassDescriptor cn, ParseNode pn) {
369 ParseNode headern=pn.getChild("header");
370 ParseNode bodyn=pn.getChild("body");
371 MethodDescriptor md=parseMethodHeader(headern.getChild("method_header"));
372 md.getModifiers().addModifier(Modifiers.PUBLIC);
373 md.getModifiers().addModifier(Modifiers.ABSTRACT);
375 BlockNode bn=parseBlock(bodyn);
377 state.addTreeCode(md,bn);
379 // this is a hack for investigating new language features
380 // at the AST level, someday should evolve into a nice compiler
382 //if( cn.getSymbol().equals( ***put a class in here like: "Test" ) &&
383 // md.getSymbol().equals( ***put your method in here like: "main" )
385 // bn.setStyle( BlockNode.NORMAL );
386 // System.out.println( bn.printNode( 0 ) );
389 } catch (Exception e) {
390 System.out.println("Error with method:"+md.getSymbol());
394 System.out.println("Error with method:"+md.getSymbol());
400 public TaskDescriptor parseTaskDecl(ParseNode pn) {
401 TaskDescriptor td=new TaskDescriptor(pn.getChild("name").getTerminal());
402 ParseNode bodyn=pn.getChild("body");
403 BlockNode bn=parseBlock(bodyn);
404 parseParameterList(td, pn);
405 state.addTreeCode(td,bn);
406 if (pn.getChild("flag_effects_list")!=null)
407 td.addFlagEffects(parseFlags(pn.getChild("flag_effects_list")));
411 public Vector parseFlags(ParseNode pn) {
412 Vector vfe=new Vector();
413 ParseNodeVector pnv=pn.getChildren();
414 for(int i=0; i<pnv.size(); i++) {
415 ParseNode fn=pnv.elementAt(i);
416 FlagEffects fe=parseFlagEffects(fn);
422 public FlagEffects parseFlagEffects(ParseNode pn) {
423 if (isNode(pn,"flag_effect")) {
424 String flagname=pn.getChild("name").getTerminal();
425 FlagEffects fe=new FlagEffects(flagname);
426 if (pn.getChild("flag_list")!=null)
427 parseFlagEffect(fe, pn.getChild("flag_list"));
428 if (pn.getChild("tag_list")!=null)
429 parseTagEffect(fe, pn.getChild("tag_list"));
431 } else throw new Error();
434 public void parseTagEffect(FlagEffects fes, ParseNode pn) {
435 ParseNodeVector pnv=pn.getChildren();
436 for(int i=0; i<pnv.size(); i++) {
437 ParseNode pn2=pnv.elementAt(i);
439 if (isNode(pn2,"not")) {
441 pn2=pn2.getChild("name");
443 String name=pn2.getTerminal();
444 fes.addTagEffect(new TagEffect(name,status));
448 public void parseFlagEffect(FlagEffects fes, ParseNode pn) {
449 ParseNodeVector pnv=pn.getChildren();
450 for(int i=0; i<pnv.size(); i++) {
451 ParseNode pn2=pnv.elementAt(i);
453 if (isNode(pn2,"not")) {
455 pn2=pn2.getChild("name");
457 String name=pn2.getTerminal();
458 fes.addEffect(new FlagEffect(name,status));
462 public FlagExpressionNode parseFlagExpression(ParseNode pn) {
463 if (isNode(pn,"or")) {
464 ParseNodeVector pnv=pn.getChildren();
465 ParseNode left=pnv.elementAt(0);
466 ParseNode right=pnv.elementAt(1);
467 return new FlagOpNode(parseFlagExpression(left), parseFlagExpression(right), new Operation(Operation.LOGIC_OR));
468 } else if (isNode(pn,"and")) {
469 ParseNodeVector pnv=pn.getChildren();
470 ParseNode left=pnv.elementAt(0);
471 ParseNode right=pnv.elementAt(1);
472 return new FlagOpNode(parseFlagExpression(left), parseFlagExpression(right), new Operation(Operation.LOGIC_AND));
473 } else if (isNode(pn, "not")) {
474 ParseNodeVector pnv=pn.getChildren();
475 ParseNode left=pnv.elementAt(0);
476 return new FlagOpNode(parseFlagExpression(left), new Operation(Operation.LOGIC_NOT));
478 } else if (isNode(pn,"name")) {
479 return new FlagNode(pn.getTerminal());
485 public Vector parseChecks(ParseNode pn) {
486 Vector ccs=new Vector();
487 ParseNodeVector pnv=pn.getChildren();
488 for(int i=0; i<pnv.size(); i++) {
489 ParseNode fn=pnv.elementAt(i);
490 ConstraintCheck cc=parseConstraintCheck(fn);
496 public ConstraintCheck parseConstraintCheck(ParseNode pn) {
497 if (isNode(pn,"cons_check")) {
498 String specname=pn.getChild("name").getChild("identifier").getTerminal();
499 Vector[] args=parseConsArgumentList(pn);
500 ConstraintCheck cc=new ConstraintCheck(specname);
501 for(int i=0; i<args[0].size(); i++) {
502 cc.addVariable((String)args[0].get(i));
503 cc.addArgument((ExpressionNode)args[1].get(i));
506 } else throw new Error();
509 public void parseParameterList(TaskDescriptor td, ParseNode pn) {
512 ParseNode paramlist=pn.getChild("task_parameter_list");
515 ParseNodeVector pnv=paramlist.getChildren();
516 for(int i=0; i<pnv.size(); i++) {
517 ParseNode paramn=pnv.elementAt(i);
518 if(paramn.getChild("optional")!=null) {
520 paramn = paramn.getChild("optional").getFirstChild();
521 System.out.println("OPTIONAL FOUND!!!!!!!");
522 } else { optional = false;
523 System.out.println("NOT OPTIONAL");}
525 TypeDescriptor type=parseTypeDescriptor(paramn);
527 String paramname=paramn.getChild("single").getTerminal();
528 FlagExpressionNode fen=null;
529 if (paramn.getChild("flag")!=null)
530 fen=parseFlagExpression(paramn.getChild("flag").getFirstChild());
532 ParseNode tagnode=paramn.getChild("tag");
534 TagExpressionList tel=null;
536 tel=parseTagExpressionList(tagnode);
539 td.addParameter(type,paramname,fen, tel, optional);
543 public TagExpressionList parseTagExpressionList(ParseNode pn) {
544 //BUG FIX: change pn.getChildren() to pn.getChild("tag_expression_list").getChildren()
545 //To test, feed in any input program that uses tags
546 ParseNodeVector pnv=pn.getChild("tag_expression_list").getChildren();
547 TagExpressionList tel=new TagExpressionList();
548 for(int i=0; i<pnv.size(); i++) {
549 ParseNode tn=pnv.elementAt(i);
550 String type=tn.getChild("type").getTerminal();
551 String name=tn.getChild("single").getTerminal();
552 tel.addTag(type, name);
557 public ClassDescriptor parseTypeDecl(ParseNode pn, String packageName) {
559 // if is in no package, then create a class descriptor with just the name.
560 // else add the package on
561 if(packageName == null) {
562 cn=new ClassDescriptor(pn.getChild("name").getTerminal(), false);
564 String newClassname = packageName + "." + pn.getChild("name").getTerminal();
565 cn= new ClassDescriptor(packageName, newClassname, false);
567 cn.setImports(mandatoryImports);
568 if (!isEmpty(pn.getChild("super").getTerminal())) {
569 /* parse superclass name */
570 ParseNode snn=pn.getChild("super").getChild("type").getChild("class").getChild("name");
571 NameDescriptor nd=parseClassName(snn);
572 cn.setSuper(nd.toString());
574 if (!(cn.getSymbol().equals(TypeUtil.ObjectClass)||
575 cn.getSymbol().equals(TypeUtil.TagClass)))
576 cn.setSuper(TypeUtil.ObjectClass);
578 // check inherited interfaces
579 if (!isEmpty(pn.getChild("superIF").getTerminal())) {
580 /* parse inherited interface name */
581 ParseNode snlist=pn.getChild("superIF").getChild("interface_type_list");
582 ParseNodeVector pnv=snlist.getChildren();
583 for(int i=0; i<pnv.size(); i++) {
584 ParseNode decl=pnv.elementAt(i);
585 if (isNode(decl,"type")) {
586 NameDescriptor nd=parseClassName(decl.getChild("class").getChild("name"));
587 cn.addSuperInterface(nd.toString());
591 cn.setModifiers(parseModifiersList(pn.getChild("modifiers")));
592 parseClassBody(cn, pn.getChild("classbody"));
594 boolean hasConstructor = false;
595 for(Iterator method_it=cn.getMethods(); method_it.hasNext();) {
596 MethodDescriptor md=(MethodDescriptor)method_it.next();
597 hasConstructor |= md.isConstructor();
599 if((!hasConstructor) && (!cn.isEnum())) {
600 // add a default constructor for this class
601 MethodDescriptor md = new MethodDescriptor(new Modifiers(Modifiers.PUBLIC),
602 cn.getSymbol(), false);
603 BlockNode bn=new BlockNode();
604 state.addTreeCode(md,bn);
605 md.setDefaultConstructor();
611 private void parseClassBody(ClassDescriptor cn, ParseNode pn) {
612 ParseNode decls=pn.getChild("class_body_declaration_list");
614 ParseNodeVector pnv=decls.getChildren();
615 for(int i=0; i<pnv.size(); i++) {
616 ParseNode decl=pnv.elementAt(i);
617 if (isNode(decl,"member")) {
618 parseClassMember(cn,decl);
619 } else if (isNode(decl,"constructor")) {
620 parseConstructorDecl(cn,decl.getChild("constructor_declaration"));
621 } else if (isNode(decl, "static_block")) {
622 parseStaticBlockDecl(cn, decl.getChild("static_block_declaration"));
623 } else if (isNode(decl,"block")) {
624 } else if (isNode(decl,"location_order_declaration")) {
625 parseLocationOrder(cn,decl.getChild("location_order_list"));
626 } else throw new Error();
631 private void parseLocationOrder(ClassDescriptor cd, ParseNode pn) {
632 ParseNodeVector pnv = pn.getChildren();
633 Lattice<String> locOrder =
634 new Lattice<String>("_top_","_bottom_");
635 Set<String> spinLocSet=new HashSet<String>();
636 for (int i = 0; i < pnv.size(); i++) {
637 ParseNode loc = pnv.elementAt(i);
638 if(isNode(loc,"location_property")){
639 String spinLoc=loc.getChildren().elementAt(0).getLabel();
640 spinLocSet.add(spinLoc);
642 String lowerLoc=loc.getChildren().elementAt(0).getLabel();
643 String higherLoc= loc.getChildren().elementAt(1).getLabel();
644 locOrder.put(higherLoc, lowerLoc);
645 if (locOrder.isIntroducingCycle(higherLoc)) {
646 throw new Error("Error: the order relation " + lowerLoc + " < " + higherLoc
647 + " introduces a cycle.");
651 if(spinLocSet.size()>0){
652 //checking if location is actually defined in the hierarchy
653 for (Iterator iterator = spinLocSet.iterator(); iterator.hasNext();) {
654 String locID = (String) iterator.next();
655 if(!locOrder.containsKey(locID)){
656 throw new Error("Error: The spinning location '"+
657 locID + "' is not defined in the hierarchy of the class '"+cd +"'.");
660 state.addLocationPropertySet(cd, spinLocSet);
662 state.addLocationOrder(cd, locOrder);
665 private void parseClassMember(ClassDescriptor cn, ParseNode pn) {
666 ParseNode fieldnode=pn.getChild("field");
667 if (fieldnode!=null) {
668 parseFieldDecl(cn,fieldnode.getChild("field_declaration"));
671 ParseNode methodnode=pn.getChild("method");
672 if (methodnode!=null) {
673 parseMethodDecl(cn,methodnode.getChild("method_declaration"));
676 ParseNode innerclassnode=pn.getChild("inner_class_declaration");
677 if (innerclassnode!=null) {
678 parseInnerClassDecl(cn,innerclassnode);
681 ParseNode enumnode=pn.getChild("enum_declaration");
682 if (enumnode!=null) {
683 parseEnumDecl(cn,enumnode);
686 ParseNode flagnode=pn.getChild("flag");
687 if (flagnode!=null) {
688 parseFlagDecl(cn, flagnode.getChild("flag_declaration"));
691 // in case there are empty node
692 ParseNode emptynode=pn.getChild("empty");
693 if(emptynode != null) {
699 private ClassDescriptor parseInnerClassDecl(ClassDescriptor cn, ParseNode pn) {
700 ClassDescriptor icn=new ClassDescriptor(pn.getChild("name").getTerminal(), false);
701 icn.setImports(mandatoryImports);
702 icn.setAsInnerClass();
703 icn.setSurroundingClass(cn.getSymbol());
704 icn.setSurrounding(cn);
705 cn.addInnerClass(icn);
706 if (!isEmpty(pn.getChild("super").getTerminal())) {
707 /* parse superclass name */
708 ParseNode snn=pn.getChild("super").getChild("type").getChild("class").getChild("name");
709 NameDescriptor nd=parseClassName(snn);
710 icn.setSuper(nd.toString());
712 if (!(icn.getSymbol().equals(TypeUtil.ObjectClass)||
713 icn.getSymbol().equals(TypeUtil.TagClass)))
714 icn.setSuper(TypeUtil.ObjectClass);
716 // check inherited interfaces
717 if (!isEmpty(pn.getChild("superIF").getTerminal())) {
718 /* parse inherited interface name */
719 ParseNode snlist=pn.getChild("superIF").getChild("interface_type_list");
720 ParseNodeVector pnv=snlist.getChildren();
721 for(int i=0; i<pnv.size(); i++) {
722 ParseNode decl=pnv.elementAt(i);
723 if (isNode(decl,"type")) {
724 NameDescriptor nd=parseClassName(decl.getChild("class").getChild("name"));
725 icn.addSuperInterface(nd.toString());
729 icn.setModifiers(parseModifiersList(pn.getChild("modifiers")));
730 if(!icn.isStatic()) {
731 throw new Error("Error: inner class " + icn.getSymbol() + " in Class " +
732 cn.getSymbol() + " is not a nested class and is not supported yet!");
734 parseClassBody(icn, pn.getChild("classbody"));
738 private TypeDescriptor parseTypeDescriptor(ParseNode pn) {
739 ParseNode tn=pn.getChild("type");
740 String type_st=tn.getTerminal();
741 if(type_st.equals("byte")) {
742 return state.getTypeDescriptor(TypeDescriptor.BYTE);
743 } else if(type_st.equals("short")) {
744 return state.getTypeDescriptor(TypeDescriptor.SHORT);
745 } else if(type_st.equals("boolean")) {
746 return state.getTypeDescriptor(TypeDescriptor.BOOLEAN);
747 } else if(type_st.equals("int")) {
748 return state.getTypeDescriptor(TypeDescriptor.INT);
749 } else if(type_st.equals("long")) {
750 return state.getTypeDescriptor(TypeDescriptor.LONG);
751 } else if(type_st.equals("char")) {
752 return state.getTypeDescriptor(TypeDescriptor.CHAR);
753 } else if(type_st.equals("float")) {
754 return state.getTypeDescriptor(TypeDescriptor.FLOAT);
755 } else if(type_st.equals("double")) {
756 return state.getTypeDescriptor(TypeDescriptor.DOUBLE);
757 } else if(type_st.equals("class")) {
758 ParseNode nn=tn.getChild("class");
759 return state.getTypeDescriptor(parseClassName(nn.getChild("name")));
760 } else if(type_st.equals("array")) {
761 ParseNode nn=tn.getChild("array");
762 TypeDescriptor td=parseTypeDescriptor(nn.getChild("basetype"));
763 Integer numdims=(Integer)nn.getChild("dims").getLiteral();
764 for(int i=0; i<numdims.intValue(); i++)
765 td=td.makeArray(state);
768 System.out.println(pn.PPrint(2, true));
773 //Needed to separate out top level call since if a base exists,
774 //we do not want to apply our resolveName function (i.e. deal with imports)
775 //otherwise, if base == null, we do just want to resolve name.
776 private NameDescriptor parseClassName(ParseNode nn) {
777 ParseNode base=nn.getChild("base");
778 ParseNode id=nn.getChild("identifier");
779 String classname = id.getTerminal();
781 return new NameDescriptor(resolveName(classname));
783 return new NameDescriptor(parseClassNameRecursive(base.getChild("name")),classname);
786 private NameDescriptor parseClassNameRecursive(ParseNode nn) {
787 ParseNode base=nn.getChild("base");
788 ParseNode id=nn.getChild("identifier");
789 String classname = id.getTerminal();
791 return new NameDescriptor(classname);
793 return new NameDescriptor(parseClassNameRecursive(base.getChild("name")),classname);
796 //This will get the mapping of a terminal class name
797 //to a canonical classname (with imports/package locations in them)
798 private String resolveName(String terminal) {
799 if(mandatoryImports.containsKey(terminal)) {
800 return (String) mandatoryImports.get(terminal);
802 if(multiimports.containsKey(terminal)) {
804 Object o = multiimports.get(terminal);
805 if(o instanceof Error) {
806 throw new Error("Class " + terminal + " is ambiguous. Cause: more than 1 package import contain the same class.");
808 //At this point, if we found a unique class
809 //we can treat it as a single, mandatory import.
810 mandatoryImports.put(terminal, o);
819 //only function difference between this and parseName() is that this
820 //does not look for a import mapping.
821 private NameDescriptor parseName(ParseNode nn) {
822 ParseNode base=nn.getChild("base");
823 ParseNode id=nn.getChild("identifier");
825 return new NameDescriptor(id.getTerminal());
827 return new NameDescriptor(parseName(base.getChild("name")),id.getTerminal());
830 private void parseFlagDecl(ClassDescriptor cn,ParseNode pn) {
831 String name=pn.getChild("name").getTerminal();
832 FlagDescriptor flag=new FlagDescriptor(name);
833 if (pn.getChild("external")!=null)
838 private void parseFieldDecl(ClassDescriptor cn,ParseNode pn) {
839 ParseNode mn=pn.getChild("modifier");
840 Modifiers m=parseModifiersList(mn);
841 if(cn.isInterface()) {
842 // TODO add version for normal Java later
843 // Can only be PUBLIC or STATIC or FINAL
844 if((m.isAbstract()) || (m.isAtomic()) || (m.isNative())
845 || (m.isSynchronized())) {
846 throw new Error("Error: field in Interface " + cn.getSymbol() + "can only be PUBLIC or STATIC or FINAL");
848 m.addModifier(Modifiers.PUBLIC);
849 m.addModifier(Modifiers.STATIC);
850 m.addModifier(Modifiers.FINAL);
853 ParseNode tn=pn.getChild("type");
854 TypeDescriptor t=parseTypeDescriptor(tn);
855 assignAnnotationsToType(m,t);
856 ParseNode vn=pn.getChild("variables").getChild("variable_declarators_list");
857 ParseNodeVector pnv=vn.getChildren();
858 boolean isglobal=pn.getChild("global")!=null;
860 for(int i=0; i<pnv.size(); i++) {
861 ParseNode vardecl=pnv.elementAt(i);
862 ParseNode tmp=vardecl;
863 TypeDescriptor arrayt=t;
864 while (tmp.getChild("single")==null) {
865 arrayt=arrayt.makeArray(state);
866 tmp=tmp.getChild("array");
868 String identifier=tmp.getChild("single").getTerminal();
869 ParseNode epn=vardecl.getChild("initializer");
871 ExpressionNode en=null;
873 en=parseExpression(epn.getFirstChild());
874 en.setNumLine(epn.getFirstChild().getLine());
876 // for static field, the initializer should be considered as a
878 boolean isfirst = false;
879 MethodDescriptor md = (MethodDescriptor)cn.getMethodTable().getFromSameScope("staticblocks");
881 // the first static block for this class
882 Modifiers m_i=new Modifiers();
883 m_i.addModifier(Modifiers.STATIC);
884 md = new MethodDescriptor(m_i, "staticblocks", false);
885 md.setAsStaticBlock();
891 cn.incStaticBlocks();
892 BlockNode bn=new BlockNode();
893 NameNode nn=new NameNode(new NameDescriptor(identifier));
894 nn.setNumLine(en.getNumLine());
895 AssignmentNode an=new AssignmentNode(nn,en,new AssignOperation(1));
896 an.setNumLine(pn.getLine());
897 bn.addBlockStatement(new BlockExpressionNode(an));
899 state.addTreeCode(md,bn);
901 BlockNode obn = state.getMethodBody(md);
902 for(int ii = 0; ii < bn.size(); ii++) {
903 BlockStatementNode bsn = bn.get(ii);
904 obn.addBlockStatement(bsn);
906 state.addTreeCode(md, obn);
913 cn.addField(new FieldDescriptor(m, arrayt, identifier, en, isglobal));
917 private void assignAnnotationsToType(Modifiers modifiers, TypeDescriptor type){
918 Vector<AnnotationDescriptor> annotations=modifiers.getAnnotations();
919 for(int i=0; i<annotations.size(); i++) {
920 // it only supports a marker annotation
921 AnnotationDescriptor an=annotations.elementAt(i);
922 type.addAnnotationMarker(an);
928 private ExpressionNode parseExpression(ParseNode pn) {
929 if (isNode(pn,"assignment"))
930 return parseAssignmentExpression(pn);
931 else if (isNode(pn,"logical_or")||isNode(pn,"logical_and")||
932 isNode(pn,"bitwise_or")||isNode(pn,"bitwise_xor")||
933 isNode(pn,"bitwise_and")||isNode(pn,"equal")||
934 isNode(pn,"not_equal")||isNode(pn,"comp_lt")||
935 isNode(pn,"comp_lte")||isNode(pn,"comp_gt")||
936 isNode(pn,"comp_gte")||isNode(pn,"leftshift")||
937 isNode(pn,"rightshift")||isNode(pn,"sub")||
938 isNode(pn,"urightshift")||isNode(pn,"sub")||
939 isNode(pn,"add")||isNode(pn,"mult")||
940 isNode(pn,"div")||isNode(pn,"mod")) {
941 ParseNodeVector pnv=pn.getChildren();
942 ParseNode left=pnv.elementAt(0);
943 ParseNode right=pnv.elementAt(1);
944 Operation op=new Operation(pn.getLabel());
945 OpNode on=new OpNode(parseExpression(left),parseExpression(right),op);
946 on.setNumLine(pn.getLine());
948 } else if (isNode(pn,"unaryplus")||
949 isNode(pn,"unaryminus")||
952 ParseNode left=pn.getFirstChild();
953 Operation op=new Operation(pn.getLabel());
954 OpNode on=new OpNode(parseExpression(left),op);
955 on.setNumLine(pn.getLine());
957 } else if (isNode(pn,"postinc")||
958 isNode(pn,"postdec")) {
959 ParseNode left=pn.getFirstChild();
960 AssignOperation op=new AssignOperation(pn.getLabel());
961 AssignmentNode an=new AssignmentNode(parseExpression(left),null,op);
962 an.setNumLine(pn.getLine());
965 } else if (isNode(pn,"preinc")||
966 isNode(pn,"predec")) {
967 ParseNode left=pn.getFirstChild();
968 AssignOperation op=isNode(pn,"preinc") ? new AssignOperation(AssignOperation.PLUSEQ) : new AssignOperation(AssignOperation.MINUSEQ);
969 AssignmentNode an=new AssignmentNode(parseExpression(left),
970 new LiteralNode("integer",new Integer(1)),op);
971 an.setNumLine(pn.getLine());
973 } else if (isNode(pn,"literal")) {
974 String literaltype=pn.getTerminal();
975 ParseNode literalnode=pn.getChild(literaltype);
976 Object literal_obj=literalnode.getLiteral();
977 LiteralNode ln=new LiteralNode(literaltype, literal_obj);
978 ln.setNumLine(pn.getLine());
980 } else if (isNode(pn, "createobject")) {
981 TypeDescriptor td = parseTypeDescriptor(pn);
983 Vector args = parseArgumentList(pn);
984 boolean isglobal = pn.getChild("global") != null || pn.getChild("scratch") != null;
985 String disjointId = null;
986 if (pn.getChild("disjoint") != null) {
987 disjointId = pn.getChild("disjoint").getTerminal();
989 CreateObjectNode con = new CreateObjectNode(td, isglobal, disjointId);
990 con.setNumLine(pn.getLine());
991 for (int i = 0; i < args.size(); i++) {
992 con.addArgument((ExpressionNode) args.get(i));
994 /* Could have flag set or tag added here */
995 if (pn.getChild("flag_list") != null || pn.getChild("tag_list") != null) {
996 FlagEffects fe = new FlagEffects(null);
997 if (pn.getChild("flag_list") != null)
998 parseFlagEffect(fe, pn.getChild("flag_list"));
1000 if (pn.getChild("tag_list") != null)
1001 parseTagEffect(fe, pn.getChild("tag_list"));
1002 con.addFlagEffects(fe);
1006 } else if (isNode(pn,"createobjectcls")) {
1007 //TODO::: FIX BUG!!! static fields in caller context need to become parameters
1008 TypeDescriptor td=parseTypeDescriptor(pn);
1010 ClassDescriptor cnnew=new ClassDescriptor(td.getSymbol()+"$"+innerCount, false);
1011 cnnew.setImports(mandatoryImports);
1012 cnnew.setSuper(td.getSymbol());
1013 parseClassBody(cnnew, pn.getChild("decl").getChild("classbody"));
1014 Vector args=parseArgumentList(pn);
1016 CreateObjectNode con=new CreateObjectNode(td, false, null);
1017 con.setNumLine(pn.getLine());
1018 for(int i=0; i<args.size(); i++) {
1019 con.addArgument((ExpressionNode)args.get(i));
1023 } else if (isNode(pn,"createarray")) {
1024 //System.out.println(pn.PPrint(3,true));
1025 boolean isglobal=pn.getChild("global")!=null||
1026 pn.getChild("scratch")!=null;
1027 String disjointId=null;
1028 if( pn.getChild("disjoint") != null) {
1029 disjointId = pn.getChild("disjoint").getTerminal();
1031 TypeDescriptor td=parseTypeDescriptor(pn);
1032 Vector args=parseDimExprs(pn);
1034 if (pn.getChild("dims_opt").getLiteral()!=null)
1035 num=((Integer)pn.getChild("dims_opt").getLiteral()).intValue();
1036 for(int i=0; i<(args.size()+num); i++)
1037 td=td.makeArray(state);
1038 CreateObjectNode con=new CreateObjectNode(td, isglobal, disjointId);
1039 con.setNumLine(pn.getLine());
1040 for(int i=0; i<args.size(); i++) {
1041 con.addArgument((ExpressionNode)args.get(i));
1044 } if (isNode(pn,"createarray2")) {
1045 TypeDescriptor td=parseTypeDescriptor(pn);
1047 if (pn.getChild("dims_opt").getLiteral()!=null)
1048 num=((Integer)pn.getChild("dims_opt").getLiteral()).intValue();
1049 for(int i=0; i<num; i++)
1050 td=td.makeArray(state);
1051 CreateObjectNode con=new CreateObjectNode(td, false, null);
1052 con.setNumLine(pn.getLine());
1053 ParseNode ipn = pn.getChild("initializer");
1054 Vector initializers=parseVariableInitializerList(ipn);
1055 ArrayInitializerNode ain = new ArrayInitializerNode(initializers);
1056 ain.setNumLine(pn.getLine());
1057 con.addArrayInitializer(ain);
1059 } else if (isNode(pn,"name")) {
1060 NameDescriptor nd=parseName(pn);
1061 NameNode nn=new NameNode(nd);
1062 nn.setNumLine(pn.getLine());
1064 } else if (isNode(pn,"this")) {
1065 NameDescriptor nd=new NameDescriptor("this");
1066 NameNode nn=new NameNode(nd);
1067 nn.setNumLine(pn.getLine());
1069 } else if (isNode(pn,"isavailable")) {
1070 NameDescriptor nd=new NameDescriptor(pn.getTerminal());
1071 NameNode nn=new NameNode(nd);
1072 nn.setNumLine(pn.getLine());
1073 return new OpNode(nn,null,new Operation(Operation.ISAVAILABLE));
1074 } else if (isNode(pn,"methodinvoke1")) {
1075 NameDescriptor nd=parseName(pn.getChild("name"));
1076 Vector args=parseArgumentList(pn);
1077 MethodInvokeNode min=new MethodInvokeNode(nd);
1078 min.setNumLine(pn.getLine());
1079 for(int i=0; i<args.size(); i++) {
1080 min.addArgument((ExpressionNode)args.get(i));
1083 } else if (isNode(pn,"methodinvoke2")) {
1084 String methodid=pn.getChild("id").getTerminal();
1085 ExpressionNode exp=parseExpression(pn.getChild("base").getFirstChild());
1086 Vector args=parseArgumentList(pn);
1087 MethodInvokeNode min=new MethodInvokeNode(methodid,exp);
1088 min.setNumLine(pn.getLine());
1089 for(int i=0; i<args.size(); i++) {
1090 min.addArgument((ExpressionNode)args.get(i));
1093 } else if (isNode(pn,"fieldaccess")) {
1094 ExpressionNode en=parseExpression(pn.getChild("base").getFirstChild());
1095 String fieldname=pn.getChild("field").getTerminal();
1097 FieldAccessNode fan=new FieldAccessNode(en,fieldname);
1098 fan.setNumLine(pn.getLine());
1100 } else if (isNode(pn,"arrayaccess")) {
1101 ExpressionNode en=parseExpression(pn.getChild("base").getFirstChild());
1102 ExpressionNode index=parseExpression(pn.getChild("index").getFirstChild());
1103 ArrayAccessNode aan=new ArrayAccessNode(en,index);
1104 aan.setNumLine(pn.getLine());
1106 } else if (isNode(pn,"cast1")) {
1108 CastNode cn=new CastNode(parseTypeDescriptor(pn.getChild("type")),parseExpression(pn.getChild("exp").getFirstChild()));
1109 cn.setNumLine(pn.getLine());
1111 } catch (Exception e) {
1112 System.out.println(pn.PPrint(1,true));
1113 e.printStackTrace();
1116 } else if (isNode(pn,"cast2")) {
1117 CastNode cn=new CastNode(parseExpression(pn.getChild("type").getFirstChild()),parseExpression(pn.getChild("exp").getFirstChild()));
1118 cn.setNumLine(pn.getLine());
1120 } else if (isNode(pn, "getoffset")) {
1121 TypeDescriptor td=parseTypeDescriptor(pn);
1122 String fieldname = pn.getChild("field").getTerminal();
1123 //System.out.println("Checking the values of: "+ " td.toString()= " + td.toString()+ " fieldname= " + fieldname);
1124 return new OffsetNode(td, fieldname);
1125 } else if (isNode(pn, "tert")) {
1127 TertiaryNode tn=new TertiaryNode(parseExpression(pn.getChild("cond").getFirstChild()),
1128 parseExpression(pn.getChild("trueexpr").getFirstChild()),
1129 parseExpression(pn.getChild("falseexpr").getFirstChild()) );
1130 tn.setNumLine(pn.getLine());
1133 } else if (isNode(pn, "instanceof")) {
1134 ExpressionNode exp=parseExpression(pn.getChild("exp").getFirstChild());
1135 TypeDescriptor t=parseTypeDescriptor(pn);
1136 InstanceOfNode ion=new InstanceOfNode(exp,t);
1137 ion.setNumLine(pn.getLine());
1139 } else if (isNode(pn, "array_initializer")) {
1140 Vector initializers=parseVariableInitializerList(pn);
1141 return new ArrayInitializerNode(initializers);
1142 } else if (isNode(pn, "class_type")) {
1143 TypeDescriptor td=parseTypeDescriptor(pn);
1144 ClassTypeNode ctn=new ClassTypeNode(td);
1145 ctn.setNumLine(pn.getLine());
1147 } else if (isNode(pn, "empty")) {
1150 System.out.println("---------------------");
1151 System.out.println(pn.PPrint(3,true));
1156 private Vector parseDimExprs(ParseNode pn) {
1157 Vector arglist=new Vector();
1158 ParseNode an=pn.getChild("dim_exprs");
1159 if (an==null) /* No argument list */
1161 ParseNodeVector anv=an.getChildren();
1162 for(int i=0; i<anv.size(); i++) {
1163 arglist.add(parseExpression(anv.elementAt(i)));
1168 private Vector parseArgumentList(ParseNode pn) {
1169 Vector arglist=new Vector();
1170 ParseNode an=pn.getChild("argument_list");
1171 if (an==null) /* No argument list */
1173 ParseNodeVector anv=an.getChildren();
1174 for(int i=0; i<anv.size(); i++) {
1175 arglist.add(parseExpression(anv.elementAt(i)));
1180 private Vector[] parseConsArgumentList(ParseNode pn) {
1181 Vector arglist=new Vector();
1182 Vector varlist=new Vector();
1183 ParseNode an=pn.getChild("cons_argument_list");
1184 if (an==null) /* No argument list */
1185 return new Vector[] {varlist, arglist};
1186 ParseNodeVector anv=an.getChildren();
1187 for(int i=0; i<anv.size(); i++) {
1188 ParseNode cpn=anv.elementAt(i);
1189 ParseNode var=cpn.getChild("var");
1190 ParseNode exp=cpn.getChild("exp").getFirstChild();
1191 varlist.add(var.getTerminal());
1192 arglist.add(parseExpression(exp));
1194 return new Vector[] {varlist, arglist};
1197 private Vector parseVariableInitializerList(ParseNode pn) {
1198 Vector varInitList=new Vector();
1199 ParseNode vin=pn.getChild("var_init_list");
1200 if (vin==null) /* No argument list */
1202 ParseNodeVector vinv=vin.getChildren();
1203 for(int i=0; i<vinv.size(); i++) {
1204 varInitList.add(parseExpression(vinv.elementAt(i)));
1209 private ExpressionNode parseAssignmentExpression(ParseNode pn) {
1210 AssignOperation ao=new AssignOperation(pn.getChild("op").getTerminal());
1211 ParseNodeVector pnv=pn.getChild("args").getChildren();
1213 AssignmentNode an=new AssignmentNode(parseExpression(pnv.elementAt(0)),parseExpression(pnv.elementAt(1)),ao);
1214 an.setNumLine(pn.getLine());
1219 private void parseMethodDecl(ClassDescriptor cn, ParseNode pn) {
1220 ParseNode headern=pn.getChild("method_header");
1221 ParseNode bodyn=pn.getChild("body");
1222 MethodDescriptor md=parseMethodHeader(headern);
1224 BlockNode bn=parseBlock(bodyn);
1225 bn.setNumLine(pn.getLine()); // assume that method header is located at the beginning of method body
1227 state.addTreeCode(md,bn);
1229 // this is a hack for investigating new language features
1230 // at the AST level, someday should evolve into a nice compiler
1232 //if( cn.getSymbol().equals( ***put a class in here like: "Test" ) &&
1233 // md.getSymbol().equals( ***put your method in here like: "main" )
1235 // bn.setStyle( BlockNode.NORMAL );
1236 // System.out.println( bn.printNode( 0 ) );
1239 } catch (Exception e) {
1240 System.out.println("Error with method:"+md.getSymbol());
1241 e.printStackTrace();
1244 System.out.println("Error with method:"+md.getSymbol());
1245 e.printStackTrace();
1250 private void parseConstructorDecl(ClassDescriptor cn, ParseNode pn) {
1251 ParseNode mn=pn.getChild("modifiers");
1252 Modifiers m=parseModifiersList(mn);
1253 ParseNode cdecl=pn.getChild("constructor_declarator");
1254 boolean isglobal=cdecl.getChild("global")!=null;
1255 String name=resolveName(cn.getSymbol());
1256 MethodDescriptor md=new MethodDescriptor(m, name, isglobal);
1257 ParseNode paramnode=cdecl.getChild("parameters");
1258 parseParameterList(md,paramnode);
1259 ParseNode bodyn0=pn.getChild("body");
1260 ParseNode bodyn=bodyn0.getChild("constructor_body");
1263 if (bodyn!=null&&bodyn.getChild("block_statement_list")!=null)
1264 bn=parseBlock(bodyn);
1267 if (bodyn!=null&&bodyn.getChild("superinvoke")!=null) {
1268 ParseNode sin=bodyn.getChild("superinvoke");
1269 NameDescriptor nd=new NameDescriptor("super");
1270 Vector args=parseArgumentList(sin);
1271 MethodInvokeNode min=new MethodInvokeNode(nd);
1272 min.setNumLine(sin.getLine());
1273 for(int i=0; i<args.size(); i++) {
1274 min.addArgument((ExpressionNode)args.get(i));
1276 BlockExpressionNode ben=new BlockExpressionNode(min);
1277 bn.addFirstBlockStatement(ben);
1279 } else if (bodyn!=null&&bodyn.getChild("explconstrinv")!=null) {
1280 ParseNode eci=bodyn.getChild("explconstrinv");
1281 NameDescriptor nd=new NameDescriptor(cn.getSymbol());
1282 Vector args=parseArgumentList(eci);
1283 MethodInvokeNode min=new MethodInvokeNode(nd);
1284 min.setNumLine(eci.getLine());
1285 for(int i=0; i<args.size(); i++) {
1286 min.addArgument((ExpressionNode)args.get(i));
1288 BlockExpressionNode ben=new BlockExpressionNode(min);
1289 ben.setNumLine(eci.getLine());
1290 bn.addFirstBlockStatement(ben);
1292 state.addTreeCode(md,bn);
1295 private void parseStaticBlockDecl(ClassDescriptor cn, ParseNode pn) {
1296 // Each class maintains one MethodDecscriptor which combines all its
1297 // static blocks in their declaration order
1298 boolean isfirst = false;
1299 MethodDescriptor md = (MethodDescriptor)cn.getMethodTable().getFromSameScope("staticblocks");
1301 // the first static block for this class
1302 Modifiers m_i=new Modifiers();
1303 m_i.addModifier(Modifiers.STATIC);
1304 md = new MethodDescriptor(m_i, "staticblocks", false);
1305 md.setAsStaticBlock();
1308 ParseNode bodyn=pn.getChild("body");
1312 cn.incStaticBlocks();
1314 if (bodyn!=null&&bodyn.getChild("block_statement_list")!=null)
1315 bn=parseBlock(bodyn);
1319 state.addTreeCode(md,bn);
1321 BlockNode obn = state.getMethodBody(md);
1322 for(int i = 0; i < bn.size(); i++) {
1323 BlockStatementNode bsn = bn.get(i);
1324 obn.addBlockStatement(bsn);
1326 state.addTreeCode(md, obn);
1331 public BlockNode parseBlock(ParseNode pn) {
1332 this.m_taskexitnum = 0;
1333 if (pn==null||isEmpty(pn.getTerminal()))
1334 return new BlockNode();
1335 ParseNode bsn=pn.getChild("block_statement_list");
1336 return parseBlockHelper(bsn);
1339 private BlockNode parseBlockHelper(ParseNode pn) {
1340 ParseNodeVector pnv=pn.getChildren();
1341 BlockNode bn=new BlockNode();
1342 for(int i=0; i<pnv.size(); i++) {
1343 Vector bsv=parseBlockStatement(pnv.elementAt(i));
1344 for(int j=0; j<bsv.size(); j++) {
1345 bn.addBlockStatement((BlockStatementNode)bsv.get(j));
1351 public BlockNode parseSingleBlock(ParseNode pn) {
1352 BlockNode bn=new BlockNode();
1353 Vector bsv=parseBlockStatement(pn);
1354 for(int j=0; j<bsv.size(); j++) {
1355 bn.addBlockStatement((BlockStatementNode)bsv.get(j));
1357 bn.setStyle(BlockNode.NOBRACES);
1361 public Vector parseSESEBlock(Vector parentbs, ParseNode pn) {
1362 ParseNodeVector pnv=pn.getChildren();
1363 Vector bv=new Vector();
1364 for(int i=0; i<pnv.size(); i++) {
1365 bv.addAll(parseBlockStatement(pnv.elementAt(i)));
1370 public Vector parseBlockStatement(ParseNode pn) {
1371 Vector blockstatements=new Vector();
1372 if (isNode(pn,"tag_declaration")) {
1373 String name=pn.getChild("single").getTerminal();
1374 String type=pn.getChild("type").getTerminal();
1376 TagDeclarationNode tdn=new TagDeclarationNode(name, type);
1377 tdn.setNumLine(pn.getLine());
1379 blockstatements.add(tdn);
1380 } else if (isNode(pn,"local_variable_declaration")) {
1382 ParseNode mn=pn.getChild("modifiers");
1383 TypeDescriptor t=parseTypeDescriptor(pn);
1385 Modifiers m=parseModifiersList(mn);
1386 assignAnnotationsToType(m, t);
1388 ParseNode vn=pn.getChild("variable_declarators_list");
1389 ParseNodeVector pnv=vn.getChildren();
1390 for(int i=0; i<pnv.size(); i++) {
1391 ParseNode vardecl=pnv.elementAt(i);
1394 ParseNode tmp=vardecl;
1395 TypeDescriptor arrayt=t;
1397 while (tmp.getChild("single")==null) {
1398 arrayt=arrayt.makeArray(state);
1399 tmp=tmp.getChild("array");
1401 String identifier=tmp.getChild("single").getTerminal();
1403 ParseNode epn=vardecl.getChild("initializer");
1406 ExpressionNode en=null;
1408 en=parseExpression(epn.getFirstChild());
1410 DeclarationNode dn=new DeclarationNode(new VarDescriptor(arrayt, identifier),en);
1411 dn.setNumLine(tmp.getLine());
1413 blockstatements.add(dn);
1415 } else if (isNode(pn,"nop")) {
1417 } else if (isNode(pn,"expression")) {
1418 BlockExpressionNode ben=new BlockExpressionNode(parseExpression(pn.getFirstChild()));
1419 ben.setNumLine(pn.getLine());
1420 blockstatements.add(ben);
1421 } else if (isNode(pn,"ifstatement")) {
1422 IfStatementNode isn=new IfStatementNode(parseExpression(pn.getChild("condition").getFirstChild()),
1423 parseSingleBlock(pn.getChild("statement").getFirstChild()),
1424 pn.getChild("else_statement")!=null ? parseSingleBlock(pn.getChild("else_statement").getFirstChild()) : null);
1425 isn.setNumLine(pn.getLine());
1427 blockstatements.add(isn);
1428 } else if (isNode(pn,"switch_statement")) {
1429 // TODO add version for normal Java later
1430 SwitchStatementNode ssn=new SwitchStatementNode(parseExpression(pn.getChild("condition").getFirstChild()),
1431 parseSingleBlock(pn.getChild("statement").getFirstChild()));
1432 ssn.setNumLine(pn.getLine());
1433 blockstatements.add(ssn);
1434 } else if (isNode(pn,"switch_block_list")) {
1435 // TODO add version for normal Java later
1436 ParseNodeVector pnv=pn.getChildren();
1437 for(int i=0; i<pnv.size(); i++) {
1438 ParseNode sblockdecl=pnv.elementAt(i);
1440 if(isNode(sblockdecl, "switch_block")) {
1441 ParseNode lpn=sblockdecl.getChild("switch_labels").getChild("switch_label_list");
1442 ParseNodeVector labelv=lpn.getChildren();
1443 Vector<SwitchLabelNode> slv = new Vector<SwitchLabelNode>();
1444 for(int j=0; j<labelv.size(); j++) {
1445 ParseNode labeldecl=labelv.elementAt(j);
1446 if(isNode(labeldecl, "switch_label")) {
1447 SwitchLabelNode sln=new SwitchLabelNode(parseExpression(labeldecl.getChild("constant_expression").getFirstChild()), false);
1448 sln.setNumLine(labeldecl.getLine());
1449 slv.addElement(sln);
1450 } else if(isNode(labeldecl, "default_switch_label")) {
1451 SwitchLabelNode sln=new SwitchLabelNode(null, true);
1452 sln.setNumLine(labeldecl.getLine());
1453 slv.addElement(sln);
1457 SwitchBlockNode sbn=new SwitchBlockNode(slv,
1458 parseSingleBlock(sblockdecl.getChild("switch_statements").getFirstChild()));
1459 sbn.setNumLine(sblockdecl.getLine());
1461 blockstatements.add(sbn);
1465 } else if (isNode(pn, "trycatchstatement")) {
1466 // TODO add version for normal Java later
1467 // Do not fully support exceptions now. Only make sure that if there are no
1468 // exceptions thrown, the execution is right
1469 ParseNode tpn = pn.getChild("tryblock").getFirstChild();
1470 BlockNode bn=parseBlockHelper(tpn);
1471 blockstatements.add(new SubBlockNode(bn));
1473 ParseNode fbk = pn.getChild("finallyblock");
1475 ParseNode fpn = fbk.getFirstChild();
1476 BlockNode fbn=parseBlockHelper(fpn);
1477 blockstatements.add(new SubBlockNode(fbn));
1479 } else if (isNode(pn, "throwstatement")) {
1480 // TODO Simply return here
1481 //blockstatements.add(new ReturnNode());
1482 } else if (isNode(pn,"taskexit")) {
1484 if (pn.getChild("flag_effects_list")!=null)
1485 vfe=parseFlags(pn.getChild("flag_effects_list"));
1487 if (pn.getChild("cons_checks")!=null)
1488 ccs=parseChecks(pn.getChild("cons_checks"));
1489 TaskExitNode ten=new TaskExitNode(vfe, ccs, this.m_taskexitnum++);
1490 ten.setNumLine(pn.getLine());
1491 blockstatements.add(ten);
1492 } else if (isNode(pn,"atomic")) {
1493 BlockNode bn=parseBlockHelper(pn);
1494 AtomicNode an=new AtomicNode(bn);
1495 an.setNumLine(pn.getLine());
1496 blockstatements.add(an);
1497 } else if (isNode(pn,"synchronized")) {
1498 BlockNode bn=parseBlockHelper(pn.getChild("block"));
1499 ExpressionNode en=parseExpression(pn.getChild("expr").getFirstChild());
1500 SynchronizedNode sn=new SynchronizedNode(en, bn);
1501 sn.setNumLine(pn.getLine());
1502 blockstatements.add(sn);
1503 } else if (isNode(pn,"return")) {
1504 if (isEmpty(pn.getTerminal()))
1505 blockstatements.add(new ReturnNode());
1507 ExpressionNode en=parseExpression(pn.getFirstChild());
1508 ReturnNode rn=new ReturnNode(en);
1509 rn.setNumLine(pn.getLine());
1510 blockstatements.add(rn);
1512 } else if (isNode(pn,"block_statement_list")) {
1513 BlockNode bn=parseBlockHelper(pn);
1514 blockstatements.add(new SubBlockNode(bn));
1515 } else if (isNode(pn,"empty")) {
1517 } else if (isNode(pn,"statement_expression_list")) {
1518 ParseNodeVector pnv=pn.getChildren();
1519 BlockNode bn=new BlockNode();
1520 for(int i=0; i<pnv.size(); i++) {
1521 ExpressionNode en=parseExpression(pnv.elementAt(i));
1522 blockstatements.add(new BlockExpressionNode(en));
1524 bn.setStyle(BlockNode.EXPRLIST);
1525 } else if (isNode(pn,"forstatement")) {
1526 BlockNode init=parseSingleBlock(pn.getChild("initializer").getFirstChild());
1527 BlockNode update=parseSingleBlock(pn.getChild("update").getFirstChild());
1528 ExpressionNode condition=parseExpression(pn.getChild("condition").getFirstChild());
1529 BlockNode body=parseSingleBlock(pn.getChild("statement").getFirstChild());
1530 if(condition == null) {
1531 // no condition clause, make a 'true' expression as the condition
1532 condition = (ExpressionNode)new LiteralNode("boolean", new Boolean(true));
1534 LoopNode ln=new LoopNode(init,condition,update,body);
1535 ln.setNumLine(pn.getLine());
1536 blockstatements.add(ln);
1537 } else if (isNode(pn,"whilestatement")) {
1538 ExpressionNode condition=parseExpression(pn.getChild("condition").getFirstChild());
1539 BlockNode body=parseSingleBlock(pn.getChild("statement").getFirstChild());
1540 if(condition == null) {
1541 // no condition clause, make a 'true' expression as the condition
1542 condition = (ExpressionNode)new LiteralNode("boolean", new Boolean(true));
1544 blockstatements.add(new LoopNode(condition,body,LoopNode.WHILELOOP));
1545 } else if (isNode(pn,"dowhilestatement")) {
1546 ExpressionNode condition=parseExpression(pn.getChild("condition").getFirstChild());
1547 BlockNode body=parseSingleBlock(pn.getChild("statement").getFirstChild());
1548 if(condition == null) {
1549 // no condition clause, make a 'true' expression as the condition
1550 condition = (ExpressionNode)new LiteralNode("boolean", new Boolean(true));
1552 blockstatements.add(new LoopNode(condition,body,LoopNode.DOWHILELOOP));
1553 } else if (isNode(pn,"sese")) {
1554 ParseNode pnID=pn.getChild("identifier");
1556 if( pnID != null ) { stID=pnID.getFirstChild().getTerminal(); }
1557 SESENode start=new SESENode(stID);
1558 start.setNumLine(pn.getLine());
1559 SESENode end =new SESENode(stID);
1560 start.setEnd( end );
1561 end.setStart( start );
1562 blockstatements.add(start);
1563 blockstatements.addAll(parseSESEBlock(blockstatements,pn.getChild("body").getFirstChild()));
1564 blockstatements.add(end);
1565 } else if (isNode(pn,"continue")) {
1566 ContinueBreakNode cbn=new ContinueBreakNode(false);
1567 cbn.setNumLine(pn.getLine());
1568 blockstatements.add(cbn);
1569 } else if (isNode(pn,"break")) {
1570 ContinueBreakNode cbn=new ContinueBreakNode(true);
1571 cbn.setNumLine(pn.getLine());
1572 blockstatements.add(cbn);
1573 ParseNode idopt_pn=pn.getChild("identifier_opt");
1574 ParseNode name_pn=idopt_pn.getChild("name");
1575 // name_pn.getTerminal() gives you the label
1576 } else if (isNode(pn,"genreach")) {
1577 String graphName = pn.getChild("graphName").getTerminal();
1578 blockstatements.add( new GenReachNode( graphName ) );
1580 } else if(isNode(pn,"labeledstatement")){
1581 String label = pn.getChild("name").getTerminal();
1582 BlockNode bn=parseSingleBlock(pn.getChild("statement").getFirstChild());
1584 blockstatements.add(new SubBlockNode(bn));
1586 System.out.println("---------------");
1587 System.out.println(pn.PPrint(3,true));
1590 return blockstatements;
1593 public MethodDescriptor parseMethodHeader(ParseNode pn) {
1594 ParseNode mn=pn.getChild("modifiers");
1595 Modifiers m=parseModifiersList(mn);
1597 ParseNode tn=pn.getChild("returntype");
1598 TypeDescriptor returntype;
1600 returntype=parseTypeDescriptor(tn);
1602 returntype=new TypeDescriptor(TypeDescriptor.VOID);
1604 ParseNode pmd=pn.getChild("method_declarator");
1605 String name=pmd.getChild("name").getTerminal();
1606 MethodDescriptor md=new MethodDescriptor(m, returntype, name);
1608 ParseNode paramnode=pmd.getChild("parameters");
1609 parseParameterList(md,paramnode);
1613 public void parseParameterList(MethodDescriptor md, ParseNode pn) {
1614 ParseNode paramlist=pn.getChild("formal_parameter_list");
1615 if (paramlist==null)
1617 ParseNodeVector pnv=paramlist.getChildren();
1618 for(int i=0; i<pnv.size(); i++) {
1619 ParseNode paramn=pnv.elementAt(i);
1621 if (isNode(paramn, "tag_parameter")) {
1622 String paramname=paramn.getChild("single").getTerminal();
1623 TypeDescriptor type=new TypeDescriptor(TypeDescriptor.TAG);
1624 md.addTagParameter(type, paramname);
1627 TypeDescriptor type=parseTypeDescriptor(paramn);
1629 ParseNode tmp=paramn;
1630 while (tmp.getChild("single")==null) {
1631 type=type.makeArray(state);
1632 tmp=tmp.getChild("array");
1634 String paramname=tmp.getChild("single").getTerminal();
1636 md.addParameter(type, paramname);
1637 if(isNode(paramn, "annotation_parameter")){
1638 ParseNode bodynode=paramn.getChild("annotation_body");
1639 parseParameterAnnotation(bodynode,type);
1646 public Modifiers parseModifiersList(ParseNode pn) {
1647 Modifiers m=new Modifiers();
1648 ParseNode modlist=pn.getChild("modifier_list");
1649 if (modlist!=null) {
1650 ParseNodeVector pnv=modlist.getChildren();
1651 for(int i=0; i<pnv.size(); i++) {
1652 ParseNode modn=pnv.elementAt(i);
1653 if (isNode(modn,"public"))
1654 m.addModifier(Modifiers.PUBLIC);
1655 else if (isNode(modn,"protected"))
1656 m.addModifier(Modifiers.PROTECTED);
1657 else if (isNode(modn,"private"))
1658 m.addModifier(Modifiers.PRIVATE);
1659 else if (isNode(modn,"static"))
1660 m.addModifier(Modifiers.STATIC);
1661 else if (isNode(modn,"final"))
1662 m.addModifier(Modifiers.FINAL);
1663 else if (isNode(modn,"native"))
1664 m.addModifier(Modifiers.NATIVE);
1665 else if (isNode(modn,"synchronized"))
1666 m.addModifier(Modifiers.SYNCHRONIZED);
1667 else if (isNode(modn,"atomic"))
1668 m.addModifier(Modifiers.ATOMIC);
1669 else if (isNode(modn,"abstract"))
1670 m.addModifier(Modifiers.ABSTRACT);
1671 else if (isNode(modn,"volatile"))
1672 m.addModifier(Modifiers.VOLATILE);
1673 else if (isNode(modn,"transient"))
1674 m.addModifier(Modifiers.TRANSIENT);
1675 else if(isNode(modn,"annotation_list"))
1676 parseAnnotationList(modn,m);
1678 throw new Error("Unrecognized Modifier:"+modn.getLabel());}
1684 private void parseAnnotationList(ParseNode pn, Modifiers m) {
1685 ParseNodeVector pnv = pn.getChildren();
1686 for (int i = 0; i < pnv.size(); i++) {
1687 ParseNode body_list = pnv.elementAt(i);
1688 if (isNode(body_list, "annotation_body")) {
1689 ParseNode body_node = body_list.getFirstChild();
1690 if (isNode(body_node, "marker_annotation")) {
1691 m.addAnnotation(new AnnotationDescriptor(body_node.getChild("name").getTerminal()));
1692 } else if (isNode(body_node, "single_annotation")) {
1693 m.addAnnotation(new AnnotationDescriptor(body_node.getChild("name").getTerminal(),
1694 body_node.getChild("element_value").getTerminal()));
1695 } else if (isNode(body_node, "normal_annotation")) {
1696 throw new Error("Annotation with multiple data members is not supported yet.");
1702 private void parseParameterAnnotation(ParseNode body_list,TypeDescriptor type){
1703 ParseNode body_node = body_list.getFirstChild();
1704 if (isNode(body_node, "marker_annotation")) {
1705 type.addAnnotationMarker(new AnnotationDescriptor(body_node.getChild("name").getTerminal()));
1706 } else if (isNode(body_node, "single_annotation")) {
1707 type.addAnnotationMarker(new AnnotationDescriptor(body_node.getChild("name").getTerminal(),
1708 body_node.getChild("element_value").getTerminal()));
1709 } else if (isNode(body_node, "normal_annotation")) {
1710 throw new Error("Annotation with multiple data members is not supported yet.");
1714 private boolean isNode(ParseNode pn, String label) {
1715 if (pn.getLabel().equals(label))
1720 private static boolean isEmpty(ParseNode pn) {
1721 if (pn.getLabel().equals("empty"))
1727 private static boolean isEmpty(String s) {
1728 if (s.equals("empty"))
1734 /** Throw an exception if something is unexpected */
1735 private void check(ParseNode pn, String label) {
1737 throw new Error(pn+ "IE: Expected '" + label + "', got null");
1739 if (!pn.getLabel().equals(label)) {
1740 throw new Error(pn+ "IE: Expected '" + label + "', got '"+pn.getLabel()+"'");