9 import java.lang.Throwable;
10 public class BuildIR {
12 private boolean isRunningRecursiveInnerClass;
13 private int m_taskexitnum;
15 public BuildIR(State state) {
17 this.m_taskexitnum = 0;
18 this.isRunningRecursiveInnerClass = false;
21 public void buildtree(ParseNode pn, Set toanalyze, String sourcefile) {
22 parseFile(pn, toanalyze, sourcefile);
24 // numering the interfaces
26 Iterator it_classes = state.getClassSymbolTable().getValueSet().iterator();
27 while(it_classes.hasNext()) {
28 ClassDescriptor cd = (ClassDescriptor)it_classes.next();
29 if(cd.isInterface()) {
30 cd.setInterfaceId(if_num++);
35 //This is all single imports and a subset of the
36 //multi imports that have been resolved.
37 ChainHashMap mandatoryImports;
38 //maps class names in file to full name
39 //Note may map a name to an ERROR.
40 ChainHashMap multiimports;
43 String currsourcefile;
46 void pushChainMaps() {
47 mandatoryImports=mandatoryImports.makeChild();
48 multiimports=multiimports.makeChild();
52 mandatoryImports=mandatoryImports.getParent();
53 multiimports=multiimports.getParent();
56 /** Parse the classes in this file */
57 public void parseFile(ParseNode pn, Set toanalyze, String sourcefile) {
58 mandatoryImports = new ChainHashMap();
59 multiimports = new ChainHashMap();
60 currsourcefile=sourcefile;
64 //add java.lang as our default multi-import
65 this.addMultiImport(sourcefile, "java.lang", false);
68 ParseNode ipn = pn.getChild("imports").getChild("import_decls_list");
69 if ((ipn != null) && !state.MGC) {
70 ParseNodeVector pnv = ipn.getChildren();
71 for (int i = 0; i < pnv.size(); i++) {
72 ParseNode pnimport = pnv.elementAt(i);
73 NameDescriptor nd = parseName(pnimport.getChild("name"));
74 if (isNode(pnimport, "import_single")) {
75 if (!mandatoryImports.containsKey(nd.getIdentifier())) {
76 // map name to full name (includes package/directory
77 mandatoryImports.put(nd.getIdentifier(), nd.getPathFromRootToHere());
79 throw new Error("An ambiguous class "+ nd.getIdentifier() +" has been found. It is included for " +
80 ((String)mandatoryImports.get(nd.getIdentifier())) + " and " +
81 nd.getPathFromRootToHere());
84 addMultiImport(sourcefile, nd.getPathFromRootToHere(), false);
89 ParseNode ppn=pn.getChild("packages").getChild("package");
91 if ((ppn!=null) && !state.MGC){
92 NameDescriptor nd = parseClassName(ppn.getChild("name"));
93 packageName = nd.getPathFromRootToHere();
94 //Trick -> import the package directory as a multi-import and it'll
95 //automatically recognize files in the same directory.
96 addMultiImport(sourcefile, packageName, true);
99 ParseNode tpn=pn.getChild("type_declaration_list");
101 ParseNodeVector pnv = tpn.getChildren();
102 for (int i = 0; i < pnv.size(); i++) {
103 ParseNode type_pn = pnv.elementAt(i);
104 if (isEmpty(type_pn)) /* Skip the semicolon */
106 if (isNode(type_pn, "class_declaration")) {
107 ClassDescriptor cn = parseTypeDecl(type_pn);
108 parseInitializers(cn);
110 // for inner classes/enum
111 HashSet tovisit = new HashSet();
112 Iterator it_icds = cn.getInnerClasses();
113 while (it_icds.hasNext()) {
114 tovisit.add(it_icds.next());
117 while (!tovisit.isEmpty()) {
118 ClassDescriptor cd = (ClassDescriptor) tovisit.iterator().next();
120 parseInitializers(cd);
122 Iterator it_ics = cd.getInnerClasses();
123 while (it_ics.hasNext()) {
124 tovisit.add(it_ics.next());
127 } else if (isNode(type_pn, "task_declaration")) {
128 TaskDescriptor td = parseTaskDecl(type_pn);
129 if (toanalyze != null)
132 } else if (isNode(type_pn, "interface_declaration")) {
133 // TODO add version for normal Java later
134 ClassDescriptor cn = parseInterfaceDecl(type_pn, null);
135 } else if (isNode(type_pn, "enum_declaration")) {
136 // TODO add version for normal Java later
137 ClassDescriptor cn = parseEnumDecl(null, type_pn);
139 } else if(isNode(type_pn,"annotation_type_declaration")) {
140 ClassDescriptor cn=parseAnnotationTypeDecl(type_pn);
142 throw new Error(type_pn.getLabel());
149 //This kind of breaks away from tradition a little bit by doing the file checks here
150 // instead of in Semantic check, but doing it here is easier because we have a mapping early on
151 // if I wait until semantic check, I have to change ALL the type descriptors to match the new
152 // mapping and that's both ugly and tedious.
153 private void addMultiImport(String currentSource, String importPath, boolean isPackageDirectory) {
154 boolean found = false;
155 for (int j = 0; j < state.classpath.size(); j++) {
156 String path = (String) state.classpath.get(j);
157 File folder = new File(path, importPath.replace('.', '/'));
158 if (folder.exists()) {
160 for (String file : folder.list()) {
161 // if the file is of type *.java add to multiImport list.
162 if (file.lastIndexOf('.') != -1 && file.substring(file.lastIndexOf('.')).equalsIgnoreCase(".java")) {
163 String classname = file.substring(0, file.length() - 5);
164 // single imports have precedence over multi-imports
165 if (!mandatoryImports.containsKey(classname)) {
166 //package files have precedence over multi-imports.
167 if (multiimports.containsKey(classname) && !isPackageDirectory) {
168 // put error in for later, in case we try to import
169 multiimports.put(classname, new Error("Error: class " + classname + " is defined more than once in a multi-import in " + currentSource));
171 multiimports.put(classname, importPath + "." + classname);
180 throw new Error("Import package " + importPath + " in " + currentSource
181 + " cannot be resolved.");
185 public void parseInitializers(ClassDescriptor cn) {
186 Vector fv=cn.getFieldVec();
188 for(int i=0; i<fv.size(); i++) {
189 FieldDescriptor fd=(FieldDescriptor)fv.get(i);
190 if(fd.getExpressionNode()!=null) {
191 Iterator methodit = cn.getMethods();
192 while(methodit.hasNext()) {
193 MethodDescriptor currmd=(MethodDescriptor)methodit.next();
194 if(currmd.isConstructor()) {
195 BlockNode bn=state.getMethodBody(currmd);
196 NameNode nn=new NameNode(new NameDescriptor(fd.getSymbol()));
197 AssignmentNode an=new AssignmentNode(nn,fd.getExpressionNode(),new AssignOperation(1));
198 bn.addBlockStatementAt(new BlockExpressionNode(an), pos);
206 private ClassDescriptor parseEnumDecl(ClassDescriptor cn, ParseNode pn) {
207 String basename=pn.getChild("name").getTerminal();
208 String classname=(cn!=null)?cn.getClassName()+"$"+basename:basename;
209 ClassDescriptor ecd=new ClassDescriptor(cn!=null?cn.getPackage():null, classname, false);
212 if (packageName==null)
213 cn.getSingleImportMappings().put(basename,classname);
215 cn.getSingleImportMappings().put(basename,packageName+"."+classname);
219 ecd.setImports(mandatoryImports, multiimports);
222 ecd.setSurroundingClass(cn.getSymbol());
223 ecd.setSurrounding(cn);
226 if (!(ecd.getSymbol().equals(TypeUtil.ObjectClass)||
227 ecd.getSymbol().equals(TypeUtil.TagClass))) {
228 ecd.setSuper(TypeUtil.ObjectClass);
230 ecd.setModifiers(parseModifiersList(pn.getChild("modifiers")));
231 parseEnumBody(ecd, pn.getChild("enumbody"));
233 if (analyzeset != null)
235 ecd.setSourceFileName(currsourcefile);
242 private void parseEnumBody(ClassDescriptor cn, ParseNode pn) {
243 ParseNode decls=pn.getChild("enum_constants_list");
245 ParseNodeVector pnv=decls.getChildren();
246 for(int i=0; i<pnv.size(); i++) {
247 ParseNode decl=pnv.elementAt(i);
248 if (isNode(decl,"enum_constant")) {
249 parseEnumConstant(cn,decl);
250 } else throw new Error();
255 private void parseEnumConstant(ClassDescriptor cn, ParseNode pn) {
256 cn.addEnumConstant(pn.getChild("name").getTerminal());
259 private ClassDescriptor parseAnnotationTypeDecl(ParseNode pn) {
260 ClassDescriptor cn=new ClassDescriptor(pn.getChild("name").getTerminal(), true);
262 cn.setImports(mandatoryImports, multiimports);
263 ParseNode modifiers=pn.getChild("modifiers");
264 if(modifiers!=null) {
265 cn.setModifiers(parseModifiersList(modifiers));
267 parseAnnotationTypeBody(cn,pn.getChild("body"));
270 if (analyzeset != null)
272 cn.setSourceFileName(currsourcefile);
278 private void parseAnnotationTypeBody(ClassDescriptor cn, ParseNode pn) {
279 ParseNode list_node=pn.getChild("annotation_type_element_list");
280 if(list_node!=null) {
281 ParseNodeVector pnv = list_node.getChildren();
282 for (int i = 0; i < pnv.size(); i++) {
283 ParseNode element_node = pnv.elementAt(i);
284 if (isNode(element_node, "annotation_type_element_declaration")) {
285 ParseNodeVector elementProps = element_node.getChildren();
286 String identifier=null;
287 TypeDescriptor type=null;
288 Modifiers modifiers=new Modifiers();
289 for(int eidx=0; eidx<elementProps.size(); eidx++) {
290 ParseNode prop_node=elementProps.elementAt(eidx);
291 if(isNode(prop_node,"name")) {
292 identifier=prop_node.getTerminal();
293 } else if(isNode(prop_node,"type")) {
294 type=parseTypeDescriptor(prop_node);
295 } else if(isNode(prop_node,"modifier")) {
296 modifiers=parseModifiersList(prop_node);
299 cn.addField(new FieldDescriptor(modifiers, type, identifier, null, false));
305 public ClassDescriptor parseInterfaceDecl(ParseNode pn, ClassDescriptor outerclass) {
306 String basename=pn.getChild("name").getTerminal();
307 String classname=((outerclass==null)?"":(outerclass.getClassName()+"$"))+basename;
308 if (outerclass!=null) {
309 if (packageName==null)
310 outerclass.getSingleImportMappings().put(basename,classname);
312 outerclass.getSingleImportMappings().put(basename,packageName+"."+classname);
314 ClassDescriptor cn= new ClassDescriptor(packageName, classname, true);
317 cn.setImports(mandatoryImports, multiimports);
318 //cn.setAsInterface();
319 if (!isEmpty(pn.getChild("superIF").getTerminal())) {
320 /* parse inherited interface name */
321 ParseNode snlist=pn.getChild("superIF").getChild("extend_interface_list");
322 ParseNodeVector pnv=snlist.getChildren();
323 for(int i=0; i<pnv.size(); i++) {
324 ParseNode decl=pnv.elementAt(i);
325 if (isNode(decl,"type")) {
326 NameDescriptor nd=parseClassName(decl.getChild("class").getChild("name"));
327 cn.addSuperInterface(nd.toString());
328 } else if (isNode(decl, "interface_declaration")) {
329 ClassDescriptor innercn = parseInterfaceDecl(decl, cn);
330 } else throw new Error();
333 cn.setModifiers(parseModifiersList(pn.getChild("modifiers")));
334 parseInterfaceBody(cn, pn.getChild("interfacebody"));
335 if (analyzeset != null)
337 cn.setSourceFileName(currsourcefile);
343 private void parseInterfaceBody(ClassDescriptor cn, ParseNode pn) {
344 assert(cn.isInterface());
345 ParseNode decls=pn.getChild("interface_member_declaration_list");
347 ParseNodeVector pnv=decls.getChildren();
348 for(int i=0; i<pnv.size(); i++) {
349 ParseNode decl=pnv.elementAt(i);
350 if (isNode(decl,"constant")) {
351 parseInterfaceConstant(cn,decl);
352 } else if (isNode(decl,"method")) {
353 parseInterfaceMethod(cn,decl.getChild("method_declaration"));
354 } else if (isNode(decl, "interface_declaration")) {
355 parseInterfaceDecl(decl, cn);
356 } else throw new Error(decl.PPrint(2, true));
363 private void parseInterfaceConstant(ClassDescriptor cn, ParseNode pn) {
365 parseFieldDecl(cn,pn.getChild("field_declaration"));
371 private void parseInterfaceMethod(ClassDescriptor cn, ParseNode pn) {
372 ParseNode headern=pn.getChild("header");
373 ParseNode bodyn=pn.getChild("body");
374 MethodDescriptor md=parseMethodHeader(headern.getChild("method_header"));
375 md.getModifiers().addModifier(Modifiers.PUBLIC);
376 md.getModifiers().addModifier(Modifiers.ABSTRACT);
378 BlockNode bn=parseBlock(cn, bodyn);
380 state.addTreeCode(md,bn);
381 } catch (Exception e) {
382 System.out.println("Error with method:"+md.getSymbol());
386 System.out.println("Error with method:"+md.getSymbol());
392 public TaskDescriptor parseTaskDecl(ParseNode pn) {
393 TaskDescriptor td=new TaskDescriptor(pn.getChild("name").getTerminal());
394 ParseNode bodyn=pn.getChild("body");
395 BlockNode bn=parseBlock(null, bodyn);
396 parseParameterList(td, pn);
397 state.addTreeCode(td,bn);
398 if (pn.getChild("flag_effects_list")!=null)
399 td.addFlagEffects(parseFlags(pn.getChild("flag_effects_list")));
403 public Vector parseFlags(ParseNode pn) {
404 Vector vfe=new Vector();
405 ParseNodeVector pnv=pn.getChildren();
406 for(int i=0; i<pnv.size(); i++) {
407 ParseNode fn=pnv.elementAt(i);
408 FlagEffects fe=parseFlagEffects(fn);
414 public FlagEffects parseFlagEffects(ParseNode pn) {
415 if (isNode(pn,"flag_effect")) {
416 String flagname=pn.getChild("name").getTerminal();
417 FlagEffects fe=new FlagEffects(flagname);
418 if (pn.getChild("flag_list")!=null)
419 parseFlagEffect(fe, pn.getChild("flag_list"));
420 if (pn.getChild("tag_list")!=null)
421 parseTagEffect(fe, pn.getChild("tag_list"));
423 } else throw new Error();
426 public void parseTagEffect(FlagEffects fes, ParseNode pn) {
427 ParseNodeVector pnv=pn.getChildren();
428 for(int i=0; i<pnv.size(); i++) {
429 ParseNode pn2=pnv.elementAt(i);
431 if (isNode(pn2,"not")) {
433 pn2=pn2.getChild("name");
435 String name=pn2.getTerminal();
436 fes.addTagEffect(new TagEffect(name,status));
440 public void parseFlagEffect(FlagEffects fes, ParseNode pn) {
441 ParseNodeVector pnv=pn.getChildren();
442 for(int i=0; i<pnv.size(); i++) {
443 ParseNode pn2=pnv.elementAt(i);
445 if (isNode(pn2,"not")) {
447 pn2=pn2.getChild("name");
449 String name=pn2.getTerminal();
450 fes.addEffect(new FlagEffect(name,status));
454 public FlagExpressionNode parseFlagExpression(ParseNode pn) {
455 if (isNode(pn,"or")) {
456 ParseNodeVector pnv=pn.getChildren();
457 ParseNode left=pnv.elementAt(0);
458 ParseNode right=pnv.elementAt(1);
459 return new FlagOpNode(parseFlagExpression(left), parseFlagExpression(right), new Operation(Operation.LOGIC_OR));
460 } else if (isNode(pn,"and")) {
461 ParseNodeVector pnv=pn.getChildren();
462 ParseNode left=pnv.elementAt(0);
463 ParseNode right=pnv.elementAt(1);
464 return new FlagOpNode(parseFlagExpression(left), parseFlagExpression(right), new Operation(Operation.LOGIC_AND));
465 } else if (isNode(pn, "not")) {
466 ParseNodeVector pnv=pn.getChildren();
467 ParseNode left=pnv.elementAt(0);
468 return new FlagOpNode(parseFlagExpression(left), new Operation(Operation.LOGIC_NOT));
470 } else if (isNode(pn,"name")) {
471 return new FlagNode(pn.getTerminal());
477 public Vector parseChecks(ParseNode pn) {
478 Vector ccs=new Vector();
479 ParseNodeVector pnv=pn.getChildren();
480 for(int i=0; i<pnv.size(); i++) {
481 ParseNode fn=pnv.elementAt(i);
482 ConstraintCheck cc=parseConstraintCheck(fn);
488 public ConstraintCheck parseConstraintCheck(ParseNode pn) {
489 if (isNode(pn,"cons_check")) {
490 String specname=pn.getChild("name").getChild("identifier").getTerminal();
491 Vector[] args=parseConsArgumentList(pn);
492 ConstraintCheck cc=new ConstraintCheck(specname);
493 for(int i=0; i<args[0].size(); i++) {
494 cc.addVariable((String)args[0].get(i));
495 cc.addArgument((ExpressionNode)args[1].get(i));
498 } else throw new Error();
501 public void parseParameterList(TaskDescriptor td, ParseNode pn) {
504 ParseNode paramlist=pn.getChild("task_parameter_list");
507 ParseNodeVector pnv=paramlist.getChildren();
508 for(int i=0; i<pnv.size(); i++) {
509 ParseNode paramn=pnv.elementAt(i);
510 if(paramn.getChild("optional")!=null) {
512 paramn = paramn.getChild("optional").getFirstChild();
513 System.out.println("OPTIONAL FOUND!!!!!!!");
514 } else { optional = false;
515 System.out.println("NOT OPTIONAL"); }
517 TypeDescriptor type=parseTypeDescriptor(paramn);
519 String paramname=paramn.getChild("single").getTerminal();
520 FlagExpressionNode fen=null;
521 if (paramn.getChild("flag")!=null)
522 fen=parseFlagExpression(paramn.getChild("flag").getFirstChild());
524 ParseNode tagnode=paramn.getChild("tag");
526 TagExpressionList tel=null;
528 tel=parseTagExpressionList(tagnode);
531 td.addParameter(type,paramname,fen, tel, optional);
535 public TagExpressionList parseTagExpressionList(ParseNode pn) {
536 //BUG FIX: change pn.getChildren() to pn.getChild("tag_expression_list").getChildren()
537 //To test, feed in any input program that uses tags
538 ParseNodeVector pnv=pn.getChild("tag_expression_list").getChildren();
539 TagExpressionList tel=new TagExpressionList();
540 for(int i=0; i<pnv.size(); i++) {
541 ParseNode tn=pnv.elementAt(i);
542 String type=tn.getChild("type").getTerminal();
543 String name=tn.getChild("single").getTerminal();
544 tel.addTag(type, name);
549 public ClassDescriptor parseTypeDecl(ParseNode pn) {
550 ClassDescriptor cn=new ClassDescriptor(packageName, pn.getChild("name").getTerminal(), false);
552 cn.setImports(mandatoryImports, multiimports);
553 if (!isEmpty(pn.getChild("super").getTerminal())) {
554 /* parse superclass name */
555 ParseNode snn=pn.getChild("super").getChild("type").getChild("class").getChild("name");
556 NameDescriptor nd=parseClassName(snn);
557 cn.setSuper(nd.toString());
559 if (!(cn.getSymbol().equals(TypeUtil.ObjectClass)||
560 cn.getSymbol().equals(TypeUtil.TagClass)))
561 cn.setSuper(TypeUtil.ObjectClass);
563 // check inherited interfaces
564 if (!isEmpty(pn.getChild("superIF").getTerminal())) {
565 /* parse inherited interface name */
566 ParseNode snlist=pn.getChild("superIF").getChild("interface_type_list");
567 ParseNodeVector pnv=snlist.getChildren();
568 for(int i=0; i<pnv.size(); i++) {
569 ParseNode decl=pnv.elementAt(i);
570 if (isNode(decl,"type")) {
571 NameDescriptor nd=parseClassName(decl.getChild("class").getChild("name"));
572 cn.addSuperInterface(nd.toString());
576 cn.setModifiers(parseModifiersList(pn.getChild("modifiers")));
577 parseClassBody(cn, pn.getChild("classbody"));
579 boolean hasConstructor = false;
580 for(Iterator method_it=cn.getMethods(); method_it.hasNext(); ) {
581 MethodDescriptor md=(MethodDescriptor)method_it.next();
582 hasConstructor |= md.isConstructor();
584 if((!hasConstructor) && (!cn.isEnum())) {
585 // add a default constructor for this class
586 MethodDescriptor md = new MethodDescriptor(new Modifiers(Modifiers.PUBLIC),
587 cn.getSymbol(), false);
588 BlockNode bn=new BlockNode();
589 state.addTreeCode(md,bn);
590 md.setDefaultConstructor();
597 cn.setSourceFileName(currsourcefile);
601 if (analyzeset != null)
604 //create this$n representing a final reference to the next surrounding class. each inner class should have whatever inner class
605 //pointers the surrounding class has + a pointer to the surrounding class.
608 this.isRunningRecursiveInnerClass = true; //fOR dEBUGGING PURPOSES IN ORDER TO DUMP STRINGS WHILE IN THIS CODE PATH
609 addOuterClassReferences( cn, 0 );
610 addOuterClassParam( cn, 0 );
611 this.isRunningRecursiveInnerClass = false;
616 private void initializeOuterMember( MethodDescriptor md, String fieldName, String formalParameter ) {
617 BlockNode obn = state.getMethodBody(md);
618 NameNode nn=new NameNode( new NameDescriptor( fieldName ) );
619 NameNode fn = new NameNode ( new NameDescriptor( formalParameter ) );
620 //nn.setNumLine(en.getNumLine())
621 AssignmentNode an=new AssignmentNode(nn,fn,new AssignOperation(1));
622 //an.setNumLine(pn.getLine());
623 obn.addFirstBlockStatement(new BlockExpressionNode(an));
624 // System.out.print( "The code inserted is : " + obn.printNode( 0 ) + "\n" );
625 state.addTreeCode(md, obn);
628 private void addOuterClassParam( ClassDescriptor cn, int depth )
630 Iterator nullCheckItr = cn.getInnerClasses();
631 if( false == nullCheckItr.hasNext() )
634 //create a typedescriptor of type cn
635 TypeDescriptor theTypeDesc = new TypeDescriptor( cn );
637 for(Iterator it=cn.getInnerClasses(); it.hasNext(); ) {
638 ClassDescriptor icd=(ClassDescriptor)it.next();
643 //iterate over all ctors of I.Cs and add a new param
644 for(Iterator method_it=icd.getMethods(); method_it.hasNext(); ) {
645 MethodDescriptor md=(MethodDescriptor)method_it.next();
646 if( md.isConstructor() ){
647 md.addParameter( theTypeDesc, "surrounding$" + String.valueOf(depth) );
648 initializeOuterMember( md, "this$" + String.valueOf( depth ), "surrounding$" + String.valueOf(depth) );
649 //System.out.println( "The added param is " + md.toString() + "\n" );
652 addOuterClassParam( icd, depth + 1 );
657 private void addOuterClassReferences( ClassDescriptor cn, int depth )
659 //SYMBOLTABLE does not have a length or empty method, hence could not define a hasInnerClasses method in classDescriptor
660 Iterator nullCheckItr = cn.getInnerClasses();
661 if( false == nullCheckItr.hasNext() )
664 String tempCopy = cn.getClassName();
668 ParseNode theNode = new ParseNode( "field_declaration" );
669 theNode.addChild("modifier").addChild( new ParseNode( "modifier_list" ) ).addChild("final");
670 ParseNode theTypeNode = new ParseNode("type");
671 ParseNode tempChildNode = theTypeNode.addChild("class").addChild( "name" );
672 //tempChildNode.addChild("base").addChild( new ParseNode("empty") );
673 tempChildNode.addChild("identifier").addChild ( tempCopy );
674 theNode.addChild("type").addChild( theTypeNode );
675 ParseNode variableDeclaratorID = new ParseNode("single");
676 String theStr = "this$" + String.valueOf( depth );
677 variableDeclaratorID.addChild( theStr );
678 ParseNode variableDeclarator = new ParseNode( "variable_declarator" );
679 variableDeclarator.addChild( variableDeclaratorID );
680 ParseNode variableDeclaratorList = new ParseNode("variable_declarators_list");
681 variableDeclaratorList.addChild( variableDeclarator );
682 theNode.addChild("variables").addChild( variableDeclaratorList );
684 for(Iterator it=cn.getInnerClasses(); it.hasNext(); ) {
685 ClassDescriptor icd=(ClassDescriptor)it.next();
686 parseFieldDecl( icd, theNode );
688 SymbolTable fieldTable = icd.getFieldTable();
689 //System.out.println( fieldTable.toString() );
691 icd.setInnerDepth( depth + 1 );
692 addOuterClassReferences( icd, depth + 1 );
696 private void parseClassBody(ClassDescriptor cn, ParseNode pn) {
697 ParseNode decls=pn.getChild("class_body_declaration_list");
699 ParseNodeVector pnv=decls.getChildren();
700 for(int i=0; i<pnv.size(); i++) {
701 ParseNode decl=pnv.elementAt(i);
702 if (isNode(decl,"member")) {
703 parseClassMember(cn,decl);
704 } else if (isNode(decl,"constructor")) {
705 parseConstructorDecl(cn,decl.getChild("constructor_declaration"));
706 } else if (isNode(decl, "static_block")) {
707 parseStaticBlockDecl(cn, decl.getChild("static_block_declaration"));
708 } else if (isNode(decl,"block")) {
709 } else throw new Error();
714 private void parseClassMember(ClassDescriptor cn, ParseNode pn) {
715 ParseNode fieldnode=pn.getChild("field");
716 if (fieldnode!=null) {
717 //System.out.println( pn.PPrint( 0, true ) );
718 parseFieldDecl(cn,fieldnode.getChild("field_declaration"));
721 ParseNode methodnode=pn.getChild("method");
722 if (methodnode!=null) {
723 parseMethodDecl(cn,methodnode.getChild("method_declaration"));
726 ParseNode innerclassnode=pn.getChild("inner_class_declaration");
727 if (innerclassnode!=null) {
728 parseInnerClassDecl(cn,innerclassnode);
731 ParseNode innerinterfacenode=pn.getChild("interface_declaration");
732 if (innerinterfacenode!=null) {
733 parseInterfaceDecl(innerinterfacenode, cn);
737 ParseNode enumnode=pn.getChild("enum_declaration");
738 if (enumnode!=null) {
739 ClassDescriptor ecn=parseEnumDecl(cn,enumnode);
742 ParseNode flagnode=pn.getChild("flag");
743 if (flagnode!=null) {
744 parseFlagDecl(cn, flagnode.getChild("flag_declaration"));
747 // in case there are empty node
748 ParseNode emptynode=pn.getChild("empty");
749 if(emptynode != null) {
752 System.out.println("Unrecognized node:"+pn.PPrint(2,true));
756 //10/9/2011 changed this function to enable creation of default constructor for inner classes.
757 //the change was refactoring this function with the corresponding version for normal classes. sganapat
758 private ClassDescriptor parseInnerClassDecl(ClassDescriptor cn, ParseNode pn) {
759 String basename=pn.getChild("name").getTerminal();
760 String classname=cn.getClassName()+"$"+basename;
762 if (cn.getPackage()==null)
763 cn.getSingleImportMappings().put(basename,classname);
765 cn.getSingleImportMappings().put(basename,cn.getPackage()+"."+classname);
767 ClassDescriptor icn=new ClassDescriptor(cn.getPackage(), classname, false);
769 icn.setImports(mandatoryImports, multiimports);
770 icn.setSurroundingClass(cn.getSymbol());
771 icn.setSurrounding(cn);
772 cn.addInnerClass(icn);
774 if (!isEmpty(pn.getChild("super").getTerminal())) {
775 /* parse superclass name */
776 ParseNode snn=pn.getChild("super").getChild("type").getChild("class").getChild("name");
777 NameDescriptor nd=parseClassName(snn);
778 icn.setSuper(nd.toString());
780 if (!(icn.getSymbol().equals(TypeUtil.ObjectClass)||
781 icn.getSymbol().equals(TypeUtil.TagClass)))
782 icn.setSuper(TypeUtil.ObjectClass);
784 // check inherited interfaces
785 if (!isEmpty(pn.getChild("superIF").getTerminal())) {
786 /* parse inherited interface name */
787 ParseNode snlist=pn.getChild("superIF").getChild("interface_type_list");
788 ParseNodeVector pnv=snlist.getChildren();
789 for(int i=0; i<pnv.size(); i++) {
790 ParseNode decl=pnv.elementAt(i);
791 if (isNode(decl,"type")) {
792 NameDescriptor nd=parseClassName(decl.getChild("class").getChild("name"));
793 icn.addSuperInterface(nd.toString());
797 icn.setModifiers(parseModifiersList(pn.getChild("modifiers")));
800 icn.setAsInnerClass();
802 parseClassBody(icn, pn.getChild("classbody"));
804 boolean hasConstructor = false;
805 for(Iterator method_it=icn.getMethods(); method_it.hasNext(); ) {
806 MethodDescriptor md=(MethodDescriptor)method_it.next();
807 hasConstructor |= md.isConstructor();
809 //sganapat adding change to allow proper construction of inner class objects
810 if((!hasConstructor) && (!icn.isEnum())) {
811 // add a default constructor for this class
812 MethodDescriptor md = new MethodDescriptor(new Modifiers(Modifiers.PUBLIC),
813 icn.getSymbol(), false);
814 BlockNode bn=new BlockNode();
815 state.addTreeCode(md,bn);
816 md.setDefaultConstructor();
821 if (analyzeset != null)
823 icn.setSourceFileName(currsourcefile);
829 private TypeDescriptor parseTypeDescriptor(ParseNode pn) {
830 ParseNode tn=pn.getChild("type");
831 String type_st=tn.getTerminal();
832 if(type_st.equals("byte")) {
833 return state.getTypeDescriptor(TypeDescriptor.BYTE);
834 } else if(type_st.equals("short")) {
835 return state.getTypeDescriptor(TypeDescriptor.SHORT);
836 } else if(type_st.equals("boolean")) {
837 return state.getTypeDescriptor(TypeDescriptor.BOOLEAN);
838 } else if(type_st.equals("int")) {
839 return state.getTypeDescriptor(TypeDescriptor.INT);
840 } else if(type_st.equals("long")) {
841 return state.getTypeDescriptor(TypeDescriptor.LONG);
842 } else if(type_st.equals("char")) {
843 return state.getTypeDescriptor(TypeDescriptor.CHAR);
844 } else if(type_st.equals("float")) {
845 return state.getTypeDescriptor(TypeDescriptor.FLOAT);
846 } else if(type_st.equals("double")) {
847 return state.getTypeDescriptor(TypeDescriptor.DOUBLE);
848 } else if(type_st.equals("class")) {
849 ParseNode nn=tn.getChild("class");
850 return state.getTypeDescriptor(parseClassName(nn.getChild("name")));
851 } else if(type_st.equals("array")) {
852 ParseNode nn=tn.getChild("array");
853 TypeDescriptor td=parseTypeDescriptor(nn.getChild("basetype"));
854 Integer numdims=(Integer)nn.getChild("dims").getLiteral();
855 for(int i=0; i<numdims.intValue(); i++)
856 td=td.makeArray(state);
859 System.out.println(pn.PPrint(2, true));
864 //Needed to separate out top level call since if a base exists,
865 //we do not want to apply our resolveName function (i.e. deal with imports)
866 //otherwise, if base == null, we do just want to resolve name.
867 private NameDescriptor parseClassName(ParseNode nn) {
870 ParseNode base=nn.getChild("base");
871 ParseNode id=nn.getChild("identifier");
872 String classname = id.getTerminal();
874 return new NameDescriptor(resolveName(classname));
876 return new NameDescriptor(parseClassNameRecursive(base.getChild("name")),classname);
879 private NameDescriptor parseClassNameRecursive(ParseNode nn) {
880 ParseNode base=nn.getChild("base");
881 ParseNode id=nn.getChild("identifier");
882 String classname = id.getTerminal();
884 return new NameDescriptor(classname);
886 return new NameDescriptor(parseClassNameRecursive(base.getChild("name")),classname);
889 //This will get the mapping of a terminal class name
890 //to a canonical classname (with imports/package locations in them)
891 private String resolveName(String terminal) {
893 if(mandatoryImports.containsKey(terminal)) {
894 return (String) mandatoryImports.get(terminal);
896 if(multiimports.containsKey(terminal)) {
898 Object o = multiimports.get(terminal);
899 if(o instanceof Error) {
900 throw new Error("Class " + terminal + " is ambiguous. Cause: more than 1 package import contain the same class.");
902 //At this point, if we found a unique class
903 //we can treat it as a single, mandatory import.
904 mandatoryImports.put(terminal, o);
913 //only function difference between this and parseName() is that this
914 //does not look for a import mapping.
915 private NameDescriptor parseName(ParseNode nn) {
916 ParseNode base=nn.getChild("base");
917 ParseNode id=nn.getChild("identifier");
919 return new NameDescriptor(id.getTerminal());
921 return new NameDescriptor(parseName(base.getChild("name")),id.getTerminal());
924 private void parseFlagDecl(ClassDescriptor cn,ParseNode pn) {
925 String name=pn.getChild("name").getTerminal();
926 FlagDescriptor flag=new FlagDescriptor(name);
927 if (pn.getChild("external")!=null)
932 private void parseFieldDecl(ClassDescriptor cn,ParseNode pn) {
933 ParseNode mn=pn.getChild("modifier");
934 Modifiers m=parseModifiersList(mn);
935 if(cn.isInterface()) {
936 // TODO add version for normal Java later
937 // Can only be PUBLIC or STATIC or FINAL
938 if((m.isAbstract()) || (m.isAtomic()) || (m.isNative())
939 || (m.isSynchronized())) {
940 throw new Error("Error: field in Interface " + cn.getSymbol() + "can only be PUBLIC or STATIC or FINAL");
942 m.addModifier(Modifiers.PUBLIC);
943 m.addModifier(Modifiers.STATIC);
944 m.addModifier(Modifiers.FINAL);
947 ParseNode tn=pn.getChild("type");
948 TypeDescriptor t=parseTypeDescriptor(tn);
949 ParseNode vn=pn.getChild("variables").getChild("variable_declarators_list");
950 ParseNodeVector pnv=vn.getChildren();
951 boolean isglobal=pn.getChild("global")!=null;
953 for(int i=0; i<pnv.size(); i++) {
954 ParseNode vardecl=pnv.elementAt(i);
955 ParseNode tmp=vardecl;
956 TypeDescriptor arrayt=t;
957 if( this.isRunningRecursiveInnerClass && false )
959 System.out.println( "the length of the list is " + String.valueOf( pnv.size() ) );
960 System.out.println( "\n the parse node is \n" + tmp.PPrint( 0, true ) );
962 while (tmp.getChild("single")==null) {
963 arrayt=arrayt.makeArray(state);
964 tmp=tmp.getChild("array");
966 String identifier=tmp.getChild("single").getTerminal();
967 ParseNode epn=vardecl.getChild("initializer");
969 ExpressionNode en=null;
972 en=parseExpression(cn, epn.getFirstChild());
973 en.setNumLine(epn.getFirstChild().getLine());
975 // for static field, the initializer should be considered as a
977 boolean isfirst = false;
978 MethodDescriptor md = (MethodDescriptor)cn.getMethodTable().getFromSameScope("staticblocks");
980 // the first static block for this class
981 Modifiers m_i=new Modifiers();
982 m_i.addModifier(Modifiers.STATIC);
983 md = new MethodDescriptor(m_i, "staticblocks", false);
984 md.setAsStaticBlock();
990 cn.incStaticBlocks();
991 BlockNode bn=new BlockNode();
992 NameNode nn=new NameNode(new NameDescriptor(identifier));
993 nn.setNumLine(en.getNumLine());
994 AssignmentNode an=new AssignmentNode(nn,en,new AssignOperation(1));
995 an.setNumLine(pn.getLine());
996 bn.addBlockStatement(new BlockExpressionNode(an));
998 state.addTreeCode(md,bn);
1000 BlockNode obn = state.getMethodBody(md);
1001 for(int ii = 0; ii < bn.size(); ii++) {
1002 BlockStatementNode bsn = bn.get(ii);
1003 obn.addBlockStatement(bsn);
1005 state.addTreeCode(md, obn);
1012 cn.addField(new FieldDescriptor(m, arrayt, identifier, en, isglobal));
1013 assignAnnotationsToType(m,arrayt);
1017 private void assignAnnotationsToType(Modifiers modifiers, TypeDescriptor type) {
1018 Vector<AnnotationDescriptor> annotations=modifiers.getAnnotations();
1019 for(int i=0; i<annotations.size(); i++) {
1020 // it only supports a marker annotation
1021 AnnotationDescriptor an=annotations.elementAt(i);
1022 type.addAnnotationMarker(an);
1028 private ExpressionNode parseExpression(ClassDescriptor cn, ParseNode pn) {
1029 if (isNode(pn,"assignment"))
1031 //System.out.println( "parsing a field decl in my class that has assignment in initialization " + pn.PPrint( 0, true ) + "\n");
1032 return parseAssignmentExpression(cn, pn);
1034 else if (isNode(pn,"logical_or")||isNode(pn,"logical_and")||
1035 isNode(pn,"bitwise_or")||isNode(pn,"bitwise_xor")||
1036 isNode(pn,"bitwise_and")||isNode(pn,"equal")||
1037 isNode(pn,"not_equal")||isNode(pn,"comp_lt")||
1038 isNode(pn,"comp_lte")||isNode(pn,"comp_gt")||
1039 isNode(pn,"comp_gte")||isNode(pn,"leftshift")||
1040 isNode(pn,"rightshift")||isNode(pn,"sub")||
1041 isNode(pn,"urightshift")||isNode(pn,"sub")||
1042 isNode(pn,"add")||isNode(pn,"mult")||
1043 isNode(pn,"div")||isNode(pn,"mod")) {
1044 ParseNodeVector pnv=pn.getChildren();
1045 ParseNode left=pnv.elementAt(0);
1046 ParseNode right=pnv.elementAt(1);
1047 Operation op=new Operation(pn.getLabel());
1048 OpNode on=new OpNode(parseExpression(cn, left),parseExpression(cn, right),op);
1049 on.setNumLine(pn.getLine());
1051 } else if (isNode(pn,"unaryplus")||
1052 isNode(pn,"unaryminus")||
1054 isNode(pn,"comp")) {
1055 ParseNode left=pn.getFirstChild();
1056 Operation op=new Operation(pn.getLabel());
1057 OpNode on=new OpNode(parseExpression(cn, left),op);
1058 on.setNumLine(pn.getLine());
1060 } else if (isNode(pn,"postinc")||
1061 isNode(pn,"postdec")) {
1062 ParseNode left=pn.getFirstChild();
1063 AssignOperation op=new AssignOperation(pn.getLabel());
1064 AssignmentNode an=new AssignmentNode(parseExpression(cn, left),null,op);
1065 an.setNumLine(pn.getLine());
1068 } else if (isNode(pn,"preinc")||
1069 isNode(pn,"predec")) {
1070 ParseNode left=pn.getFirstChild();
1071 AssignOperation op=isNode(pn,"preinc")?new AssignOperation(AssignOperation.PLUSEQ):new AssignOperation(AssignOperation.MINUSEQ);
1072 AssignmentNode an=new AssignmentNode(parseExpression(cn, left),
1073 new LiteralNode("integer",new Integer(1)),op);
1074 an.setNumLine(pn.getLine());
1076 } else if (isNode(pn,"literal")) {
1077 String literaltype=pn.getTerminal();
1078 ParseNode literalnode=pn.getChild(literaltype);
1079 Object literal_obj=literalnode.getLiteral();
1080 LiteralNode ln=new LiteralNode(literaltype, literal_obj);
1081 ln.setNumLine(pn.getLine());
1083 } else if (isNode(pn, "createobject")) {
1084 TypeDescriptor td = parseTypeDescriptor(pn);
1086 Vector args = parseArgumentList(cn, pn);
1087 boolean isglobal = pn.getChild("global") != null || pn.getChild("scratch") != null;
1088 String disjointId = null;
1089 if (pn.getChild("disjoint") != null) {
1090 disjointId = pn.getChild("disjoint").getTerminal();
1092 ParseNode idChild = (pn.getChild( "id" ));
1093 ParseNode baseChild = (pn.getChild( "base" ));
1095 CreateObjectNode con = new CreateObjectNode(td, isglobal, disjointId);
1096 if( null != idChild && null != idChild.getFirstChild() ) {
1097 idChild = idChild.getFirstChild();
1098 //System.out.println( "\nThe object passed has this expression " + idChild.PPrint( 0, true ) );
1099 ExpressionNode en = parseExpression(cn, idChild );
1100 //System.out.println( "\nThe object passed has this expression " + en.printNode( 0 ) );
1101 con.setSurroundingExpression( en );
1103 else if( null != baseChild && null != baseChild.getFirstChild() ) {
1104 baseChild = baseChild.getFirstChild();
1105 //System.out.println( "\nThe object passed has this expression " + baseChild.PPrint( 0, true ) );
1106 ExpressionNode en = parseExpression(cn, baseChild );
1107 //System.out.println( "\nThe object passed has this expression " + en.printNode( 0 ) );
1108 con.setSurroundingExpression( en );
1110 con.setNumLine(pn.getLine());
1111 for (int i = 0; i < args.size(); i++) {
1112 con.addArgument((ExpressionNode) args.get(i));
1114 /* Could have flag set or tag added here */
1115 if (pn.getChild("flag_list") != null || pn.getChild("tag_list") != null) {
1116 FlagEffects fe = new FlagEffects(null);
1117 if (pn.getChild("flag_list") != null)
1118 parseFlagEffect(fe, pn.getChild("flag_list"));
1120 if (pn.getChild("tag_list") != null)
1121 parseTagEffect(fe, pn.getChild("tag_list"));
1122 con.addFlagEffects(fe);
1126 } else if (isNode(pn,"createobjectcls")) {
1127 TypeDescriptor td=parseTypeDescriptor(pn);
1129 ClassDescriptor cnnew=new ClassDescriptor(packageName,td.getSymbol()+"$"+innerCount, false);
1131 cnnew.setImports(mandatoryImports, multiimports);
1132 cnnew.setSuper(td.getSymbol());
1134 // the inline anonymous class does not have modifiers, it cannot be static
1135 // TODO: need to check the Java specification
1136 cnnew.setModifiers(new Modifiers(Modifiers.PUBLIC));
1137 cnnew.setAsInnerClass();
1138 cnnew.setSurroundingClass(cn.getSymbol());
1139 cnnew.setSurrounding(cn);
1140 cn.addInnerClass(cnnew);
1141 parseClassBody(cnnew, pn.getChild("decl").getChild("classbody"));
1142 boolean hasConstructor = false;
1143 for(Iterator method_it=cnnew.getMethods(); method_it.hasNext(); ) {
1144 MethodDescriptor md=(MethodDescriptor)method_it.next();
1145 hasConstructor |= md.isConstructor();
1147 if((!hasConstructor) && (!cnnew.isEnum())) {
1148 // add a default constructor for this class
1149 MethodDescriptor md = new MethodDescriptor(new Modifiers(Modifiers.PUBLIC),cnnew.getSymbol(), false);
1150 BlockNode bn=new BlockNode();
1151 state.addTreeCode(md,bn);
1152 md.setDefaultConstructor();
1153 cnnew.addMethod(md);
1155 TypeDescriptor tdnew=state.getTypeDescriptor(cnnew.getSymbol());
1157 Vector args=parseArgumentList(cn, pn);
1158 ParseNode idChild = pn.getChild( "id" );
1159 ParseNode baseChild = pn.getChild( "base" );
1160 //System.out.println("\n to print idchild and basechild for ");
1161 /*if( null != idChild )
1162 System.out.println( "\n trying to create an inner class and the id child passed is " + idChild.PPrint( 0, true ) );
1163 if( null != baseChild )
1164 System.out.println( "\n trying to create an inner class and the base child passed is " + baseChild.PPrint( 0, true ) );*/
1165 CreateObjectNode con=new CreateObjectNode(tdnew, false, null);
1166 con.setNumLine(pn.getLine());
1167 for(int i=0; i<args.size(); i++) {
1168 con.addArgument((ExpressionNode)args.get(i));
1172 if (analyzeset != null)
1173 analyzeset.add(cnnew);
1174 cnnew.setSourceFileName(currsourcefile);
1175 state.addClass(cnnew);
1178 } else if (isNode(pn,"createarray")) {
1179 //System.out.println(pn.PPrint(3,true));
1180 boolean isglobal=pn.getChild("global")!=null||
1181 pn.getChild("scratch")!=null;
1182 String disjointId=null;
1183 if( pn.getChild("disjoint") != null) {
1184 disjointId = pn.getChild("disjoint").getTerminal();
1186 TypeDescriptor td=parseTypeDescriptor(pn);
1187 Vector args=parseDimExprs(cn, pn);
1189 if (pn.getChild("dims_opt").getLiteral()!=null)
1190 num=((Integer)pn.getChild("dims_opt").getLiteral()).intValue();
1191 for(int i=0; i<(args.size()+num); i++)
1192 td=td.makeArray(state);
1193 CreateObjectNode con=new CreateObjectNode(td, isglobal, disjointId);
1194 con.setNumLine(pn.getLine());
1195 for(int i=0; i<args.size(); i++) {
1196 con.addArgument((ExpressionNode)args.get(i));
1200 if (isNode(pn,"createarray2")) {
1201 TypeDescriptor td=parseTypeDescriptor(pn);
1203 if (pn.getChild("dims_opt").getLiteral()!=null)
1204 num=((Integer)pn.getChild("dims_opt").getLiteral()).intValue();
1205 for(int i=0; i<num; i++)
1206 td=td.makeArray(state);
1207 CreateObjectNode con=new CreateObjectNode(td, false, null);
1208 con.setNumLine(pn.getLine());
1209 ParseNode ipn = pn.getChild("initializer");
1210 Vector initializers=parseVariableInitializerList(cn, ipn);
1211 ArrayInitializerNode ain = new ArrayInitializerNode(initializers);
1212 ain.setNumLine(pn.getLine());
1213 con.addArrayInitializer(ain);
1215 } else if (isNode(pn,"name")) {
1216 NameDescriptor nd=parseName(pn);
1217 NameNode nn=new NameNode(nd);
1218 nn.setNumLine(pn.getLine());
1220 } else if (isNode(pn,"this")) {
1221 NameDescriptor nd=new NameDescriptor("this");
1222 NameNode nn=new NameNode(nd);
1223 nn.setNumLine(pn.getLine());
1225 } else if (isNode(pn,"parentclass")) {
1226 NameDescriptor nd=new NameDescriptor(pn.getChild("name").getFirstChild().getFirstChild().getTerminal());
1227 NameNode nn=new NameNode(nd);
1228 nn.setNumLine(pn.getLine());
1229 //because inner classes pass right thru......
1230 FieldAccessNode fan=new FieldAccessNode(nn,"this");
1231 fan.setNumLine(pn.getLine());
1233 } else if (isNode(pn,"isavailable")) {
1234 NameDescriptor nd=new NameDescriptor(pn.getTerminal());
1235 NameNode nn=new NameNode(nd);
1236 nn.setNumLine(pn.getLine());
1237 return new OpNode(nn,null,new Operation(Operation.ISAVAILABLE));
1238 } else if (isNode(pn,"methodinvoke1")) {
1239 NameDescriptor nd=parseName(pn.getChild("name"));
1240 Vector args=parseArgumentList(cn, pn);
1241 MethodInvokeNode min=new MethodInvokeNode(nd);
1242 min.setNumLine(pn.getLine());
1243 for(int i=0; i<args.size(); i++) {
1244 min.addArgument((ExpressionNode)args.get(i));
1247 } else if (isNode(pn,"methodinvoke2")) {
1248 String methodid=pn.getChild("id").getTerminal();
1249 ExpressionNode exp=parseExpression(cn, pn.getChild("base").getFirstChild());
1250 Vector args=parseArgumentList(cn, pn);
1251 MethodInvokeNode min=new MethodInvokeNode(methodid,exp);
1252 min.setNumLine(pn.getLine());
1253 for(int i=0; i<args.size(); i++) {
1254 min.addArgument((ExpressionNode)args.get(i));
1257 } else if (isNode(pn,"fieldaccess")) {
1258 ExpressionNode en=parseExpression(cn, pn.getChild("base").getFirstChild());
1259 String fieldname=pn.getChild("field").getTerminal();
1261 FieldAccessNode fan=new FieldAccessNode(en,fieldname);
1262 fan.setNumLine(pn.getLine());
1264 } else if (isNode(pn,"superfieldaccess")) {
1265 ExpressionNode en=new NameNode(new NameDescriptor("super"));
1266 String fieldname=pn.getChild("field").getTerminal();
1268 FieldAccessNode fan=new FieldAccessNode(en,fieldname);
1269 fan.setNumLine(pn.getLine());
1271 } else if (isNode(pn,"supernamefieldaccess")) {
1272 ExpressionNode en=parseExpression(cn, pn.getChild("base").getFirstChild());
1273 ExpressionNode exp = new FieldAccessNode(en, "super");
1274 exp.setNumLine(pn.getLine());
1275 String fieldname=pn.getChild("field").getTerminal();
1277 FieldAccessNode fan=new FieldAccessNode(exp,fieldname);
1278 fan.setNumLine(pn.getLine());
1280 } else if (isNode(pn,"arrayaccess")) {
1281 ExpressionNode en=parseExpression(cn, pn.getChild("base").getFirstChild());
1282 ExpressionNode index=parseExpression(cn, pn.getChild("index").getFirstChild());
1283 ArrayAccessNode aan=new ArrayAccessNode(en,index);
1284 aan.setNumLine(pn.getLine());
1286 } else if (isNode(pn,"cast1")) {
1288 CastNode castn=new CastNode(parseTypeDescriptor(pn.getChild("type")),parseExpression(cn, pn.getChild("exp").getFirstChild()));
1289 castn.setNumLine(pn.getLine());
1291 } catch (Exception e) {
1292 System.out.println(pn.PPrint(1,true));
1293 e.printStackTrace();
1296 } else if (isNode(pn,"cast2")) {
1297 CastNode castn=new CastNode(parseExpression(cn, pn.getChild("type").getFirstChild()),parseExpression(cn, pn.getChild("exp").getFirstChild()));
1298 castn.setNumLine(pn.getLine());
1300 } else if (isNode(pn, "getoffset")) {
1301 TypeDescriptor td=parseTypeDescriptor(pn);
1302 String fieldname = pn.getChild("field").getTerminal();
1303 //System.out.println("Checking the values of: "+ " td.toString()= " + td.toString()+ " fieldname= " + fieldname);
1304 return new OffsetNode(td, fieldname);
1305 } else if (isNode(pn, "tert")) {
1307 TertiaryNode tn=new TertiaryNode(parseExpression(cn, pn.getChild("cond").getFirstChild()),
1308 parseExpression(cn, pn.getChild("trueexpr").getFirstChild()),
1309 parseExpression(cn, pn.getChild("falseexpr").getFirstChild()) );
1310 tn.setNumLine(pn.getLine());
1313 } else if (isNode(pn, "instanceof")) {
1314 ExpressionNode exp=parseExpression(cn, pn.getChild("exp").getFirstChild());
1315 TypeDescriptor t=parseTypeDescriptor(pn);
1316 InstanceOfNode ion=new InstanceOfNode(exp,t);
1317 ion.setNumLine(pn.getLine());
1319 } else if (isNode(pn, "array_initializer")) {
1320 Vector initializers=parseVariableInitializerList(cn, pn);
1321 return new ArrayInitializerNode(initializers);
1322 } else if (isNode(pn, "class_type")) {
1323 TypeDescriptor td=parseTypeDescriptor(pn);
1324 ClassTypeNode ctn=new ClassTypeNode(td);
1325 ctn.setNumLine(pn.getLine());
1327 } else if (isNode(pn, "empty")) {
1330 System.out.println("---------------------");
1331 System.out.println(pn.PPrint(3,true));
1336 private Vector parseDimExprs(ClassDescriptor cn, ParseNode pn) {
1337 Vector arglist=new Vector();
1338 ParseNode an=pn.getChild("dim_exprs");
1339 if (an==null) /* No argument list */
1341 ParseNodeVector anv=an.getChildren();
1342 for(int i=0; i<anv.size(); i++) {
1343 arglist.add(parseExpression(cn, anv.elementAt(i)));
1348 private Vector parseArgumentList(ClassDescriptor cn, ParseNode pn) {
1349 Vector arglist=new Vector();
1350 ParseNode an=pn.getChild("argument_list");
1351 if (an==null) /* No argument list */
1353 ParseNodeVector anv=an.getChildren();
1354 for(int i=0; i<anv.size(); i++) {
1355 arglist.add(parseExpression(cn, anv.elementAt(i)));
1360 private Vector[] parseConsArgumentList(ParseNode pn) {
1361 Vector arglist=new Vector();
1362 Vector varlist=new Vector();
1363 ParseNode an=pn.getChild("cons_argument_list");
1364 if (an==null) /* No argument list */
1365 return new Vector[] {varlist, arglist};
1366 ParseNodeVector anv=an.getChildren();
1367 for(int i=0; i<anv.size(); i++) {
1368 ParseNode cpn=anv.elementAt(i);
1369 ParseNode var=cpn.getChild("var");
1370 ParseNode exp=cpn.getChild("exp").getFirstChild();
1371 varlist.add(var.getTerminal());
1372 arglist.add(parseExpression(null, exp));
1374 return new Vector[] {varlist, arglist};
1377 private Vector parseVariableInitializerList(ClassDescriptor cn, ParseNode pn) {
1378 Vector varInitList=new Vector();
1379 ParseNode vin=pn.getChild("var_init_list");
1380 if (vin==null) /* No argument list */
1382 ParseNodeVector vinv=vin.getChildren();
1383 for(int i=0; i<vinv.size(); i++) {
1384 varInitList.add(parseExpression(cn, vinv.elementAt(i)));
1389 private ExpressionNode parseAssignmentExpression(ClassDescriptor cn, ParseNode pn) {
1390 AssignOperation ao=new AssignOperation(pn.getChild("op").getTerminal());
1391 ParseNodeVector pnv=pn.getChild("args").getChildren();
1393 AssignmentNode an=new AssignmentNode(parseExpression(cn, pnv.elementAt(0)),parseExpression(cn, pnv.elementAt(1)),ao);
1394 an.setNumLine(pn.getLine());
1399 private void parseMethodDecl(ClassDescriptor cn, ParseNode pn) {
1400 ParseNode headern=pn.getChild("method_header");
1401 ParseNode bodyn=pn.getChild("body");
1402 MethodDescriptor md=parseMethodHeader(headern);
1404 BlockNode bn=parseBlock(cn, bodyn);
1405 bn.setNumLine(pn.getLine()); // assume that method header is located at the beginning of method body
1407 state.addTreeCode(md,bn);
1409 // this is a hack for investigating new language features
1410 // at the AST level, someday should evolve into a nice compiler
1412 //if( cn.getSymbol().equals( ***put a class in here like: "Test" ) &&
1413 // md.getSymbol().equals( ***put your method in here like: "main" )
1415 // bn.setStyle( BlockNode.NORMAL );
1416 // System.out.println( bn.printNode( 0 ) );
1419 } catch (Exception e) {
1420 System.out.println("Error with method:"+md.getSymbol());
1421 e.printStackTrace();
1424 System.out.println("Error with method:"+md.getSymbol());
1425 e.printStackTrace();
1430 private void parseConstructorDecl(ClassDescriptor cn, ParseNode pn) {
1431 ParseNode mn=pn.getChild("modifiers");
1432 Modifiers m=parseModifiersList(mn);
1433 ParseNode cdecl=pn.getChild("constructor_declarator");
1434 boolean isglobal=cdecl.getChild("global")!=null;
1435 String name=resolveName(cn.getSymbol());
1436 MethodDescriptor md=new MethodDescriptor(m, name, isglobal);
1437 ParseNode paramnode=cdecl.getChild("parameters");
1438 parseParameterList(md,paramnode);
1439 ParseNode bodyn0=pn.getChild("body");
1440 ParseNode bodyn=bodyn0.getChild("constructor_body");
1443 if (bodyn!=null&&bodyn.getChild("block_statement_list")!=null)
1444 bn=parseBlock(cn, bodyn);
1447 if (bodyn!=null&&bodyn.getChild("superinvoke")!=null) {
1448 ParseNode sin=bodyn.getChild("superinvoke");
1449 NameDescriptor nd=new NameDescriptor("super");
1450 Vector args=parseArgumentList(cn, sin);
1451 MethodInvokeNode min=new MethodInvokeNode(nd);
1452 min.setNumLine(sin.getLine());
1453 for(int i=0; i<args.size(); i++) {
1454 min.addArgument((ExpressionNode)args.get(i));
1456 BlockExpressionNode ben=new BlockExpressionNode(min);
1457 bn.addFirstBlockStatement(ben);
1459 } else if (bodyn!=null&&bodyn.getChild("explconstrinv")!=null) {
1460 ParseNode eci=bodyn.getChild("explconstrinv");
1461 NameDescriptor nd=new NameDescriptor(cn.getSymbol());
1462 Vector args=parseArgumentList(cn, eci);
1463 MethodInvokeNode min=new MethodInvokeNode(nd);
1464 min.setNumLine(eci.getLine());
1465 for(int i=0; i<args.size(); i++) {
1466 min.addArgument((ExpressionNode)args.get(i));
1468 BlockExpressionNode ben=new BlockExpressionNode(min);
1469 ben.setNumLine(eci.getLine());
1470 bn.addFirstBlockStatement(ben);
1472 state.addTreeCode(md,bn);
1475 private void parseStaticBlockDecl(ClassDescriptor cn, ParseNode pn) {
1476 // Each class maintains one MethodDecscriptor which combines all its
1477 // static blocks in their declaration order
1478 boolean isfirst = false;
1479 MethodDescriptor md = (MethodDescriptor)cn.getMethodTable().getFromSameScope("staticblocks");
1481 // the first static block for this class
1482 Modifiers m_i=new Modifiers();
1483 m_i.addModifier(Modifiers.STATIC);
1484 md = new MethodDescriptor(m_i, "staticblocks", false);
1485 md.setAsStaticBlock();
1488 ParseNode bodyn=pn.getChild("body");
1492 cn.incStaticBlocks();
1494 if (bodyn!=null&&bodyn.getChild("block_statement_list")!=null)
1495 bn=parseBlock(cn, bodyn);
1499 state.addTreeCode(md,bn);
1501 BlockNode obn = state.getMethodBody(md);
1502 for(int i = 0; i < bn.size(); i++) {
1503 BlockStatementNode bsn = bn.get(i);
1504 obn.addBlockStatement(bsn);
1506 state.addTreeCode(md, obn);
1511 public BlockNode parseBlock(ClassDescriptor cn, ParseNode pn) {
1512 this.m_taskexitnum = 0;
1513 if (pn==null||isEmpty(pn.getTerminal()))
1514 return new BlockNode();
1515 ParseNode bsn=pn.getChild("block_statement_list");
1516 return parseBlockHelper(cn, bsn);
1519 private BlockNode parseBlockHelper(ClassDescriptor cn, ParseNode pn) {
1520 ParseNodeVector pnv=pn.getChildren();
1521 BlockNode bn=new BlockNode();
1522 for(int i=0; i<pnv.size(); i++) {
1523 Vector bsv=parseBlockStatement(cn, pnv.elementAt(i));
1524 for(int j=0; j<bsv.size(); j++) {
1525 bn.addBlockStatement((BlockStatementNode)bsv.get(j));
1531 public BlockNode parseSingleBlock(ClassDescriptor cn, ParseNode pn, String label){
1532 BlockNode bn=new BlockNode();
1533 Vector bsv=parseBlockStatement(cn, pn,label);
1534 for(int j=0; j<bsv.size(); j++) {
1535 bn.addBlockStatement((BlockStatementNode)bsv.get(j));
1537 bn.setStyle(BlockNode.NOBRACES);
1541 public BlockNode parseSingleBlock(ClassDescriptor cn, ParseNode pn) {
1542 return parseSingleBlock(cn, pn,null);
1545 public Vector parseSESEBlock(ClassDescriptor cn, Vector parentbs, ParseNode pn) {
1546 ParseNodeVector pnv=pn.getChildren();
1547 Vector bv=new Vector();
1548 for(int i=0; i<pnv.size(); i++) {
1549 bv.addAll(parseBlockStatement(cn, pnv.elementAt(i)));
1554 public Vector parseBlockStatement(ClassDescriptor cn, ParseNode pn){
1555 return parseBlockStatement(cn, pn,null);
1558 public Vector parseBlockStatement(ClassDescriptor cn, ParseNode pn, String label) {
1559 Vector blockstatements=new Vector();
1560 if (isNode(pn,"tag_declaration")) {
1561 String name=pn.getChild("single").getTerminal();
1562 String type=pn.getChild("type").getTerminal();
1564 TagDeclarationNode tdn=new TagDeclarationNode(name, type);
1565 tdn.setNumLine(pn.getLine());
1567 blockstatements.add(tdn);
1568 } else if (isNode(pn,"local_variable_declaration")) {
1570 TypeDescriptor t=parseTypeDescriptor(pn);
1571 ParseNode vn=pn.getChild("variable_declarators_list");
1572 ParseNodeVector pnv=vn.getChildren();
1573 for(int i=0; i<pnv.size(); i++) {
1574 ParseNode vardecl=pnv.elementAt(i);
1577 ParseNode tmp=vardecl;
1578 TypeDescriptor arrayt=t;
1580 while (tmp.getChild("single")==null) {
1581 arrayt=arrayt.makeArray(state);
1582 tmp=tmp.getChild("array");
1584 String identifier=tmp.getChild("single").getTerminal();
1586 ParseNode epn=vardecl.getChild("initializer");
1589 ExpressionNode en=null;
1591 en=parseExpression(cn, epn.getFirstChild());
1593 DeclarationNode dn=new DeclarationNode(new VarDescriptor(arrayt, identifier),en);
1594 dn.setNumLine(tmp.getLine());
1596 ParseNode mn=pn.getChild("modifiers");
1598 // here, modifers parse node has the list of annotations
1599 Modifiers m=parseModifiersList(mn);
1600 assignAnnotationsToType(m, arrayt);
1603 blockstatements.add(dn);
1605 } else if (isNode(pn,"nop")) {
1607 } else if (isNode(pn,"expression")) {
1608 BlockExpressionNode ben=new BlockExpressionNode(parseExpression(cn, pn.getFirstChild()));
1609 ben.setNumLine(pn.getLine());
1610 blockstatements.add(ben);
1611 } else if (isNode(pn,"ifstatement")) {
1612 IfStatementNode isn=new IfStatementNode(parseExpression(cn, pn.getChild("condition").getFirstChild()),
1613 parseSingleBlock(cn, pn.getChild("statement").getFirstChild()),
1614 pn.getChild("else_statement")!=null?parseSingleBlock(cn, pn.getChild("else_statement").getFirstChild()):null);
1615 isn.setNumLine(pn.getLine());
1617 blockstatements.add(isn);
1618 } else if (isNode(pn,"switch_statement")) {
1619 // TODO add version for normal Java later
1620 SwitchStatementNode ssn=new SwitchStatementNode(parseExpression(cn, pn.getChild("condition").getFirstChild()),
1621 parseSingleBlock(cn, pn.getChild("statement").getFirstChild()));
1622 ssn.setNumLine(pn.getLine());
1623 blockstatements.add(ssn);
1624 } else if (isNode(pn,"switch_block_list")) {
1625 // TODO add version for normal Java later
1626 ParseNodeVector pnv=pn.getChildren();
1627 for(int i=0; i<pnv.size(); i++) {
1628 ParseNode sblockdecl=pnv.elementAt(i);
1630 if(isNode(sblockdecl, "switch_block")) {
1631 ParseNode lpn=sblockdecl.getChild("switch_labels").getChild("switch_label_list");
1632 ParseNodeVector labelv=lpn.getChildren();
1633 Vector<SwitchLabelNode> slv = new Vector<SwitchLabelNode>();
1634 for(int j=0; j<labelv.size(); j++) {
1635 ParseNode labeldecl=labelv.elementAt(j);
1636 if(isNode(labeldecl, "switch_label")) {
1637 SwitchLabelNode sln=new SwitchLabelNode(parseExpression(cn, labeldecl.getChild("constant_expression").getFirstChild()), false);
1638 sln.setNumLine(labeldecl.getLine());
1639 slv.addElement(sln);
1640 } else if(isNode(labeldecl, "default_switch_label")) {
1641 SwitchLabelNode sln=new SwitchLabelNode(null, true);
1642 sln.setNumLine(labeldecl.getLine());
1643 slv.addElement(sln);
1647 SwitchBlockNode sbn=new SwitchBlockNode(slv,
1648 parseSingleBlock(cn, sblockdecl.getChild("switch_statements").getFirstChild()));
1649 sbn.setNumLine(sblockdecl.getLine());
1651 blockstatements.add(sbn);
1655 } else if (isNode(pn, "trycatchstatement")) {
1656 // TODO add version for normal Java later
1657 // Do not fully support exceptions now. Only make sure that if there are no
1658 // exceptions thrown, the execution is right
1659 ParseNode tpn = pn.getChild("tryblock").getFirstChild();
1660 BlockNode bn=parseBlockHelper(cn, tpn);
1661 blockstatements.add(new SubBlockNode(bn));
1663 ParseNode fbk = pn.getChild("finallyblock");
1665 ParseNode fpn = fbk.getFirstChild();
1666 BlockNode fbn=parseBlockHelper(cn, fpn);
1667 blockstatements.add(new SubBlockNode(fbn));
1669 } else if (isNode(pn, "throwstatement")) {
1670 // TODO Simply return here
1671 //blockstatements.add(new ReturnNode());
1672 } else if (isNode(pn,"taskexit")) {
1674 if (pn.getChild("flag_effects_list")!=null)
1675 vfe=parseFlags(pn.getChild("flag_effects_list"));
1677 if (pn.getChild("cons_checks")!=null)
1678 ccs=parseChecks(pn.getChild("cons_checks"));
1679 TaskExitNode ten=new TaskExitNode(vfe, ccs, this.m_taskexitnum++);
1680 ten.setNumLine(pn.getLine());
1681 blockstatements.add(ten);
1682 } else if (isNode(pn,"atomic")) {
1683 BlockNode bn=parseBlockHelper(cn, pn);
1684 AtomicNode an=new AtomicNode(bn);
1685 an.setNumLine(pn.getLine());
1686 blockstatements.add(an);
1687 } else if (isNode(pn,"synchronized")) {
1688 BlockNode bn=parseBlockHelper(cn, pn.getChild("block"));
1689 ExpressionNode en=parseExpression(cn, pn.getChild("expr").getFirstChild());
1690 SynchronizedNode sn=new SynchronizedNode(en, bn);
1691 sn.setNumLine(pn.getLine());
1692 blockstatements.add(sn);
1693 } else if (isNode(pn,"return")) {
1694 if (isEmpty(pn.getTerminal()))
1695 blockstatements.add(new ReturnNode());
1697 ExpressionNode en=parseExpression(cn, pn.getFirstChild());
1698 ReturnNode rn=new ReturnNode(en);
1699 rn.setNumLine(pn.getLine());
1700 blockstatements.add(rn);
1702 } else if (isNode(pn,"block_statement_list")) {
1703 BlockNode bn=parseBlockHelper(cn, pn);
1704 blockstatements.add(new SubBlockNode(bn));
1705 } else if (isNode(pn,"empty")) {
1707 } else if (isNode(pn,"statement_expression_list")) {
1708 ParseNodeVector pnv=pn.getChildren();
1709 BlockNode bn=new BlockNode();
1710 for(int i=0; i<pnv.size(); i++) {
1711 ExpressionNode en=parseExpression(cn, pnv.elementAt(i));
1712 blockstatements.add(new BlockExpressionNode(en));
1714 bn.setStyle(BlockNode.EXPRLIST);
1715 } else if (isNode(pn,"forstatement")) {
1716 BlockNode init=parseSingleBlock(cn, pn.getChild("initializer").getFirstChild());
1717 BlockNode update=parseSingleBlock(cn, pn.getChild("update").getFirstChild());
1718 ExpressionNode condition=parseExpression(cn, pn.getChild("condition").getFirstChild());
1719 BlockNode body=parseSingleBlock(cn, pn.getChild("statement").getFirstChild());
1720 if(condition == null) {
1721 // no condition clause, make a 'true' expression as the condition
1722 condition = (ExpressionNode) new LiteralNode("boolean", new Boolean(true));
1724 LoopNode ln=new LoopNode(init,condition,update,body,label);
1725 ln.setNumLine(pn.getLine());
1726 blockstatements.add(ln);
1727 } else if (isNode(pn,"whilestatement")) {
1728 ExpressionNode condition=parseExpression(cn, pn.getChild("condition").getFirstChild());
1729 BlockNode body=parseSingleBlock(cn, pn.getChild("statement").getFirstChild());
1730 if(condition == null) {
1731 // no condition clause, make a 'true' expression as the condition
1732 condition = (ExpressionNode) new LiteralNode("boolean", new Boolean(true));
1734 blockstatements.add(new LoopNode(condition,body,LoopNode.WHILELOOP,label));
1735 } else if (isNode(pn,"dowhilestatement")) {
1736 ExpressionNode condition=parseExpression(cn, pn.getChild("condition").getFirstChild());
1737 BlockNode body=parseSingleBlock(cn, pn.getChild("statement").getFirstChild());
1738 if(condition == null) {
1739 // no condition clause, make a 'true' expression as the condition
1740 condition = (ExpressionNode) new LiteralNode("boolean", new Boolean(true));
1742 blockstatements.add(new LoopNode(condition,body,LoopNode.DOWHILELOOP,label));
1743 } else if (isNode(pn,"sese")) {
1744 ParseNode pnID=pn.getChild("identifier");
1746 if( pnID != null ) {
1747 stID=pnID.getFirstChild().getTerminal();
1749 SESENode start=new SESENode(stID);
1750 start.setNumLine(pn.getLine());
1751 SESENode end =new SESENode(stID);
1753 end.setStart(start);
1754 blockstatements.add(start);
1755 blockstatements.addAll(parseSESEBlock(cn, blockstatements,pn.getChild("body").getFirstChild()));
1756 blockstatements.add(end);
1757 } else if (isNode(pn,"continue")) {
1758 ContinueBreakNode cbn=new ContinueBreakNode(false);
1759 cbn.setNumLine(pn.getLine());
1760 blockstatements.add(cbn);
1761 } else if (isNode(pn,"break")) {
1762 ContinueBreakNode cbn=new ContinueBreakNode(true);
1763 cbn.setNumLine(pn.getLine());
1764 blockstatements.add(cbn);
1765 ParseNode idopt_pn=pn.getChild("identifier_opt");
1766 ParseNode name_pn=idopt_pn.getChild("name");
1767 // name_pn.getTerminal() gives you the label
1769 } else if (isNode(pn,"genreach")) {
1770 String graphName = pn.getChild("graphName").getTerminal();
1771 blockstatements.add(new GenReachNode(graphName) );
1773 } else if (isNode(pn,"gen_def_reach")) {
1774 String outputName = pn.getChild("outputName").getTerminal();
1775 blockstatements.add(new GenDefReachNode(outputName) );
1777 } else if(isNode(pn,"labeledstatement")) {
1778 String labeledstatement = pn.getChild("name").getTerminal();
1779 BlockNode bn=parseSingleBlock(cn, pn.getChild("statement").getFirstChild(),labeledstatement);
1780 blockstatements.add(new SubBlockNode(bn));
1782 System.out.println("---------------");
1783 System.out.println(pn.PPrint(3,true));
1786 return blockstatements;
1789 public MethodDescriptor parseMethodHeader(ParseNode pn) {
1790 ParseNode mn=pn.getChild("modifiers");
1791 Modifiers m=parseModifiersList(mn);
1793 ParseNode tn=pn.getChild("returntype");
1794 TypeDescriptor returntype;
1796 returntype=parseTypeDescriptor(tn);
1798 returntype=new TypeDescriptor(TypeDescriptor.VOID);
1800 ParseNode pmd=pn.getChild("method_declarator");
1801 String name=pmd.getChild("name").getTerminal();
1802 MethodDescriptor md=new MethodDescriptor(m, returntype, name);
1804 ParseNode paramnode=pmd.getChild("parameters");
1805 parseParameterList(md,paramnode);
1809 public void parseParameterList(MethodDescriptor md, ParseNode pn) {
1810 ParseNode paramlist=pn.getChild("formal_parameter_list");
1811 if (paramlist==null)
1813 ParseNodeVector pnv=paramlist.getChildren();
1814 for(int i=0; i<pnv.size(); i++) {
1815 ParseNode paramn=pnv.elementAt(i);
1817 if (isNode(paramn, "tag_parameter")) {
1818 String paramname=paramn.getChild("single").getTerminal();
1819 TypeDescriptor type=new TypeDescriptor(TypeDescriptor.TAG);
1820 md.addTagParameter(type, paramname);
1823 TypeDescriptor type=parseTypeDescriptor(paramn);
1825 ParseNode tmp=paramn;
1826 while (tmp.getChild("single")==null) {
1827 type=type.makeArray(state);
1828 tmp=tmp.getChild("array");
1830 String paramname=tmp.getChild("single").getTerminal();
1832 md.addParameter(type, paramname);
1833 if(isNode(paramn, "annotation_parameter")) {
1834 ParseNode listnode=paramn.getChild("annotation_list");
1835 parseParameterAnnotation(listnode,type);
1842 public Modifiers parseModifiersList(ParseNode pn) {
1843 Modifiers m=new Modifiers();
1844 ParseNode modlist=pn.getChild("modifier_list");
1845 if (modlist!=null) {
1846 ParseNodeVector pnv=modlist.getChildren();
1847 for(int i=0; i<pnv.size(); i++) {
1848 ParseNode modn=pnv.elementAt(i);
1849 if (isNode(modn,"public"))
1850 m.addModifier(Modifiers.PUBLIC);
1851 else if (isNode(modn,"protected"))
1852 m.addModifier(Modifiers.PROTECTED);
1853 else if (isNode(modn,"private"))
1854 m.addModifier(Modifiers.PRIVATE);
1855 else if (isNode(modn,"static"))
1856 m.addModifier(Modifiers.STATIC);
1857 else if (isNode(modn,"final"))
1858 m.addModifier(Modifiers.FINAL);
1859 else if (isNode(modn,"native"))
1860 m.addModifier(Modifiers.NATIVE);
1861 else if (isNode(modn,"synchronized"))
1862 m.addModifier(Modifiers.SYNCHRONIZED);
1863 else if (isNode(modn,"atomic"))
1864 m.addModifier(Modifiers.ATOMIC);
1865 else if (isNode(modn,"abstract"))
1866 m.addModifier(Modifiers.ABSTRACT);
1867 else if (isNode(modn,"volatile"))
1868 m.addModifier(Modifiers.VOLATILE);
1869 else if (isNode(modn,"transient"))
1870 m.addModifier(Modifiers.TRANSIENT);
1871 else if(isNode(modn,"annotation_list"))
1872 parseAnnotationList(modn,m);
1874 throw new Error("Unrecognized Modifier:"+modn.getLabel());
1881 private void parseAnnotationList(ParseNode pn, Modifiers m) {
1882 ParseNodeVector pnv = pn.getChildren();
1883 for (int i = 0; i < pnv.size(); i++) {
1884 ParseNode body_list = pnv.elementAt(i);
1885 if (isNode(body_list, "annotation_body")) {
1886 ParseNode body_node = body_list.getFirstChild();
1887 if (isNode(body_node, "marker_annotation")) {
1888 m.addAnnotation(new AnnotationDescriptor(body_node.getChild("name").getTerminal()));
1889 } else if (isNode(body_node, "single_annotation")) {
1890 m.addAnnotation(new AnnotationDescriptor(body_node.getChild("name").getTerminal(),
1891 body_node.getChild("element_value").getTerminal()));
1892 } else if (isNode(body_node, "normal_annotation")) {
1893 throw new Error("Annotation with multiple data members is not supported yet.");
1899 private void parseParameterAnnotation(ParseNode pn,TypeDescriptor type) {
1900 ParseNodeVector pnv = pn.getChildren();
1901 for (int i = 0; i < pnv.size(); i++) {
1902 ParseNode body_list = pnv.elementAt(i);
1903 if (isNode(body_list, "annotation_body")) {
1904 ParseNode body_node = body_list.getFirstChild();
1905 if (isNode(body_node, "marker_annotation")) {
1906 type.addAnnotationMarker(new AnnotationDescriptor(body_node.getChild("name").getTerminal()));
1907 } else if (isNode(body_node, "single_annotation")) {
1908 type.addAnnotationMarker(new AnnotationDescriptor(body_node.getChild("name").getTerminal(),
1909 body_node.getChild("element_value").getTerminal()));
1910 } else if (isNode(body_node, "normal_annotation")) {
1911 throw new Error("Annotation with multiple data members is not supported yet.");
1917 private boolean isNode(ParseNode pn, String label) {
1918 if (pn.getLabel().equals(label))
1923 private static boolean isEmpty(ParseNode pn) {
1924 if (pn.getLabel().equals("empty"))
1930 private static boolean isEmpty(String s) {
1931 if (s.equals("empty"))
1937 /** Throw an exception if something is unexpected */
1938 private void check(ParseNode pn, String label) {
1940 throw new Error(pn+ "IE: Expected '" + label + "', got null");
1942 if (!pn.getLabel().equals(label)) {
1943 throw new Error(pn+ "IE: Expected '" + label + "', got '"+pn.getLabel()+"'");