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(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(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$n representing a final reference to the next surrounding class. each inner class should have whatever inner class
605 //pointers the surrounding class has + a pointer to the surrounding class.
608 this.isRunningRecursiveInnerClass = true; //fOR dEBUGGING PURPOSES IN ORDER TO DUMP STRINGS WHILE IN THIS CODE PATH
609 addOuterClassReferences( cn, 0 );
610 addOuterClassParam( cn, 0 );
611 this.isRunningRecursiveInnerClass = false;
616 private void initializeOuterMember( MethodDescriptor md, String fieldName, String formalParameter ) {
617 BlockNode obn = state.getMethodBody(md);
618 NameNode nn=new NameNode( new NameDescriptor( fieldName ) );
619 NameNode fn = new NameNode ( new NameDescriptor( formalParameter ) );
620 //nn.setNumLine(en.getNumLine())
621 AssignmentNode an=new AssignmentNode(nn,fn,new AssignOperation(1));
622 //an.setNumLine(pn.getLine());
623 obn.addFirstBlockStatement(new BlockExpressionNode(an));
624 // System.out.print( "The code inserted is : " + obn.printNode( 0 ) + "\n" );
625 state.addTreeCode(md, obn);
628 private void addOuterClassParam( ClassDescriptor cn, int depth )
630 Iterator nullCheckItr = cn.getInnerClasses();
631 if( false == nullCheckItr.hasNext() )
634 //create a typedescriptor of type cn
635 TypeDescriptor theTypeDesc = new TypeDescriptor( cn );
637 for(Iterator it=cn.getInnerClasses(); it.hasNext(); ) {
638 ClassDescriptor icd=(ClassDescriptor)it.next();
640 //iterate over all ctors of I.Cs and add a new param
641 for(Iterator method_it=icd.getMethods(); method_it.hasNext(); ) {
642 MethodDescriptor md=(MethodDescriptor)method_it.next();
643 if( md.isConstructor() ){
644 md.addParameter( theTypeDesc, "surrounding$" + String.valueOf(depth) );
645 initializeOuterMember( md, "this$" + String.valueOf( depth ), "surrounding$" + String.valueOf(depth) );
646 //System.out.println( "The added param is " + md.toString() + "\n" );
649 addOuterClassParam( icd, depth + 1 );
654 private void addOuterClassReferences( ClassDescriptor cn, int depth )
656 //SYMBOLTABLE does not have a length or empty method, hence could not define a hasInnerClasses method in classDescriptor
657 Iterator nullCheckItr = cn.getInnerClasses();
658 if( false == nullCheckItr.hasNext() )
661 String tempCopy = cn.getClassName();
665 ParseNode theNode = new ParseNode( "field_declaration" );
666 theNode.addChild("modifier").addChild( new ParseNode( "modifier_list" ) ).addChild("final");
667 ParseNode theTypeNode = new ParseNode("type");
668 ParseNode tempChildNode = theTypeNode.addChild("class").addChild( "name" );
669 //tempChildNode.addChild("base").addChild( new ParseNode("empty") );
670 tempChildNode.addChild("identifier").addChild ( tempCopy );
671 theNode.addChild("type").addChild( theTypeNode );
672 ParseNode variableDeclaratorID = new ParseNode("single");
673 String theStr = "this$" + String.valueOf( depth );
674 variableDeclaratorID.addChild( theStr );
675 ParseNode variableDeclarator = new ParseNode( "variable_declarator" );
676 variableDeclarator.addChild( variableDeclaratorID );
677 ParseNode variableDeclaratorList = new ParseNode("variable_declarators_list");
678 variableDeclaratorList.addChild( variableDeclarator );
679 theNode.addChild("variables").addChild( variableDeclaratorList );
681 for(Iterator it=cn.getInnerClasses(); it.hasNext(); ) {
682 ClassDescriptor icd=(ClassDescriptor)it.next();
683 parseFieldDecl( icd, theNode );
685 SymbolTable fieldTable = icd.getFieldTable();
686 //System.out.println( fieldTable.toString() );
688 icd.setInnerDepth( depth + 1 );
689 addOuterClassReferences( icd, depth + 1 );
693 private void parseClassBody(ClassDescriptor cn, ParseNode pn) {
694 ParseNode decls=pn.getChild("class_body_declaration_list");
696 ParseNodeVector pnv=decls.getChildren();
697 for(int i=0; i<pnv.size(); i++) {
698 ParseNode decl=pnv.elementAt(i);
699 if (isNode(decl,"member")) {
700 parseClassMember(cn,decl);
701 } else if (isNode(decl,"constructor")) {
702 parseConstructorDecl(cn,decl.getChild("constructor_declaration"));
703 } else if (isNode(decl, "static_block")) {
704 parseStaticBlockDecl(cn, decl.getChild("static_block_declaration"));
705 } else if (isNode(decl,"block")) {
706 } else throw new Error();
711 private void parseClassMember(ClassDescriptor cn, ParseNode pn) {
712 ParseNode fieldnode=pn.getChild("field");
713 if (fieldnode!=null) {
714 //System.out.println( pn.PPrint( 0, true ) );
715 parseFieldDecl(cn,fieldnode.getChild("field_declaration"));
718 ParseNode methodnode=pn.getChild("method");
719 if (methodnode!=null) {
720 parseMethodDecl(cn,methodnode.getChild("method_declaration"));
723 ParseNode innerclassnode=pn.getChild("inner_class_declaration");
724 if (innerclassnode!=null) {
725 parseInnerClassDecl(cn,innerclassnode);
728 ParseNode innerinterfacenode=pn.getChild("interface_declaration");
729 if (innerinterfacenode!=null) {
730 parseInterfaceDecl(innerinterfacenode, cn);
734 ParseNode enumnode=pn.getChild("enum_declaration");
735 if (enumnode!=null) {
736 ClassDescriptor ecn=parseEnumDecl(cn,enumnode);
739 ParseNode flagnode=pn.getChild("flag");
740 if (flagnode!=null) {
741 parseFlagDecl(cn, flagnode.getChild("flag_declaration"));
744 // in case there are empty node
745 ParseNode emptynode=pn.getChild("empty");
746 if(emptynode != null) {
749 System.out.println("Unrecognized node:"+pn.PPrint(2,true));
753 //10/9/2011 changed this function to enable creation of default constructor for inner classes.
754 //the change was refactoring this function with the corresponding version for normal classes. sganapat
755 private ClassDescriptor parseInnerClassDecl(ClassDescriptor cn, ParseNode pn) {
756 String basename=pn.getChild("name").getTerminal();
757 String classname=cn.getClassName()+"$"+basename;
759 if (cn.getPackage()==null)
760 cn.getSingleImportMappings().put(basename,classname);
762 cn.getSingleImportMappings().put(basename,cn.getPackage()+"."+classname);
764 ClassDescriptor icn=new ClassDescriptor(cn.getPackage(), classname, false);
766 icn.setImports(mandatoryImports, multiimports);
767 icn.setAsInnerClass();
768 icn.setSurroundingClass(cn.getSymbol());
769 icn.setSurrounding(cn);
770 cn.addInnerClass(icn);
772 if (!isEmpty(pn.getChild("super").getTerminal())) {
773 /* parse superclass name */
774 ParseNode snn=pn.getChild("super").getChild("type").getChild("class").getChild("name");
775 NameDescriptor nd=parseClassName(snn);
776 icn.setSuper(nd.toString());
778 if (!(icn.getSymbol().equals(TypeUtil.ObjectClass)||
779 icn.getSymbol().equals(TypeUtil.TagClass)))
780 icn.setSuper(TypeUtil.ObjectClass);
782 // check inherited interfaces
783 if (!isEmpty(pn.getChild("superIF").getTerminal())) {
784 /* parse inherited interface name */
785 ParseNode snlist=pn.getChild("superIF").getChild("interface_type_list");
786 ParseNodeVector pnv=snlist.getChildren();
787 for(int i=0; i<pnv.size(); i++) {
788 ParseNode decl=pnv.elementAt(i);
789 if (isNode(decl,"type")) {
790 NameDescriptor nd=parseClassName(decl.getChild("class").getChild("name"));
791 icn.addSuperInterface(nd.toString());
795 icn.setModifiers(parseModifiersList(pn.getChild("modifiers")));
797 parseClassBody(icn, pn.getChild("classbody"));
799 boolean hasConstructor = false;
800 for(Iterator method_it=icn.getMethods(); method_it.hasNext(); ) {
801 MethodDescriptor md=(MethodDescriptor)method_it.next();
802 hasConstructor |= md.isConstructor();
804 //sganapat adding change to allow proper construction of inner class objects
805 if((!hasConstructor) && (!icn.isEnum())) {
806 // add a default constructor for this class
807 MethodDescriptor md = new MethodDescriptor(new Modifiers(Modifiers.PUBLIC),
808 icn.getSymbol(), false);
809 BlockNode bn=new BlockNode();
810 state.addTreeCode(md,bn);
811 md.setDefaultConstructor();
816 if (analyzeset != null)
818 icn.setSourceFileName(currsourcefile);
824 private TypeDescriptor parseTypeDescriptor(ParseNode pn) {
825 ParseNode tn=pn.getChild("type");
826 String type_st=tn.getTerminal();
827 if(type_st.equals("byte")) {
828 return state.getTypeDescriptor(TypeDescriptor.BYTE);
829 } else if(type_st.equals("short")) {
830 return state.getTypeDescriptor(TypeDescriptor.SHORT);
831 } else if(type_st.equals("boolean")) {
832 return state.getTypeDescriptor(TypeDescriptor.BOOLEAN);
833 } else if(type_st.equals("int")) {
834 return state.getTypeDescriptor(TypeDescriptor.INT);
835 } else if(type_st.equals("long")) {
836 return state.getTypeDescriptor(TypeDescriptor.LONG);
837 } else if(type_st.equals("char")) {
838 return state.getTypeDescriptor(TypeDescriptor.CHAR);
839 } else if(type_st.equals("float")) {
840 return state.getTypeDescriptor(TypeDescriptor.FLOAT);
841 } else if(type_st.equals("double")) {
842 return state.getTypeDescriptor(TypeDescriptor.DOUBLE);
843 } else if(type_st.equals("class")) {
844 ParseNode nn=tn.getChild("class");
845 return state.getTypeDescriptor(parseClassName(nn.getChild("name")));
846 } else if(type_st.equals("array")) {
847 ParseNode nn=tn.getChild("array");
848 TypeDescriptor td=parseTypeDescriptor(nn.getChild("basetype"));
849 Integer numdims=(Integer)nn.getChild("dims").getLiteral();
850 for(int i=0; i<numdims.intValue(); i++)
851 td=td.makeArray(state);
854 System.out.println(pn.PPrint(2, true));
859 //Needed to separate out top level call since if a base exists,
860 //we do not want to apply our resolveName function (i.e. deal with imports)
861 //otherwise, if base == null, we do just want to resolve name.
862 private NameDescriptor parseClassName(ParseNode nn) {
865 ParseNode base=nn.getChild("base");
866 ParseNode id=nn.getChild("identifier");
867 String classname = id.getTerminal();
869 return new NameDescriptor(resolveName(classname));
871 return new NameDescriptor(parseClassNameRecursive(base.getChild("name")),classname);
874 private NameDescriptor parseClassNameRecursive(ParseNode nn) {
875 ParseNode base=nn.getChild("base");
876 ParseNode id=nn.getChild("identifier");
877 String classname = id.getTerminal();
879 return new NameDescriptor(classname);
881 return new NameDescriptor(parseClassNameRecursive(base.getChild("name")),classname);
884 //This will get the mapping of a terminal class name
885 //to a canonical classname (with imports/package locations in them)
886 private String resolveName(String terminal) {
888 if(mandatoryImports.containsKey(terminal)) {
889 return (String) mandatoryImports.get(terminal);
891 if(multiimports.containsKey(terminal)) {
893 Object o = multiimports.get(terminal);
894 if(o instanceof Error) {
895 throw new Error("Class " + terminal + " is ambiguous. Cause: more than 1 package import contain the same class.");
897 //At this point, if we found a unique class
898 //we can treat it as a single, mandatory import.
899 mandatoryImports.put(terminal, o);
908 //only function difference between this and parseName() is that this
909 //does not look for a import mapping.
910 private NameDescriptor parseName(ParseNode nn) {
911 ParseNode base=nn.getChild("base");
912 ParseNode id=nn.getChild("identifier");
914 return new NameDescriptor(id.getTerminal());
916 return new NameDescriptor(parseName(base.getChild("name")),id.getTerminal());
919 private void parseFlagDecl(ClassDescriptor cn,ParseNode pn) {
920 String name=pn.getChild("name").getTerminal();
921 FlagDescriptor flag=new FlagDescriptor(name);
922 if (pn.getChild("external")!=null)
927 private void parseFieldDecl(ClassDescriptor cn,ParseNode pn) {
928 ParseNode mn=pn.getChild("modifier");
929 Modifiers m=parseModifiersList(mn);
930 if(cn.isInterface()) {
931 // TODO add version for normal Java later
932 // Can only be PUBLIC or STATIC or FINAL
933 if((m.isAbstract()) || (m.isAtomic()) || (m.isNative())
934 || (m.isSynchronized())) {
935 throw new Error("Error: field in Interface " + cn.getSymbol() + "can only be PUBLIC or STATIC or FINAL");
937 m.addModifier(Modifiers.PUBLIC);
938 m.addModifier(Modifiers.STATIC);
939 m.addModifier(Modifiers.FINAL);
942 ParseNode tn=pn.getChild("type");
943 TypeDescriptor t=parseTypeDescriptor(tn);
944 ParseNode vn=pn.getChild("variables").getChild("variable_declarators_list");
945 ParseNodeVector pnv=vn.getChildren();
946 boolean isglobal=pn.getChild("global")!=null;
948 for(int i=0; i<pnv.size(); i++) {
949 ParseNode vardecl=pnv.elementAt(i);
950 ParseNode tmp=vardecl;
951 TypeDescriptor arrayt=t;
952 if( this.isRunningRecursiveInnerClass && false )
954 System.out.println( "the length of the list is " + String.valueOf( pnv.size() ) );
955 System.out.println( "\n the parse node is \n" + tmp.PPrint( 0, true ) );
957 while (tmp.getChild("single")==null) {
958 arrayt=arrayt.makeArray(state);
959 tmp=tmp.getChild("array");
961 String identifier=tmp.getChild("single").getTerminal();
962 ParseNode epn=vardecl.getChild("initializer");
964 ExpressionNode en=null;
967 en=parseExpression(epn.getFirstChild());
968 en.setNumLine(epn.getFirstChild().getLine());
970 // for static field, the initializer should be considered as a
972 boolean isfirst = false;
973 MethodDescriptor md = (MethodDescriptor)cn.getMethodTable().getFromSameScope("staticblocks");
975 // the first static block for this class
976 Modifiers m_i=new Modifiers();
977 m_i.addModifier(Modifiers.STATIC);
978 md = new MethodDescriptor(m_i, "staticblocks", false);
979 md.setAsStaticBlock();
985 cn.incStaticBlocks();
986 BlockNode bn=new BlockNode();
987 NameNode nn=new NameNode(new NameDescriptor(identifier));
988 nn.setNumLine(en.getNumLine());
989 AssignmentNode an=new AssignmentNode(nn,en,new AssignOperation(1));
990 an.setNumLine(pn.getLine());
991 bn.addBlockStatement(new BlockExpressionNode(an));
993 state.addTreeCode(md,bn);
995 BlockNode obn = state.getMethodBody(md);
996 for(int ii = 0; ii < bn.size(); ii++) {
997 BlockStatementNode bsn = bn.get(ii);
998 obn.addBlockStatement(bsn);
1000 state.addTreeCode(md, obn);
1007 cn.addField(new FieldDescriptor(m, arrayt, identifier, en, isglobal));
1008 assignAnnotationsToType(m,arrayt);
1012 private void assignAnnotationsToType(Modifiers modifiers, TypeDescriptor type) {
1013 Vector<AnnotationDescriptor> annotations=modifiers.getAnnotations();
1014 for(int i=0; i<annotations.size(); i++) {
1015 // it only supports a marker annotation
1016 AnnotationDescriptor an=annotations.elementAt(i);
1017 type.addAnnotationMarker(an);
1023 private ExpressionNode parseExpression(ParseNode pn) {
1024 if (isNode(pn,"assignment"))
1026 //System.out.println( "parsing a field decl in my class that has assignment in initialization " + pn.PPrint( 0, true ) + "\n");
1027 return parseAssignmentExpression(pn);
1029 else if (isNode(pn,"logical_or")||isNode(pn,"logical_and")||
1030 isNode(pn,"bitwise_or")||isNode(pn,"bitwise_xor")||
1031 isNode(pn,"bitwise_and")||isNode(pn,"equal")||
1032 isNode(pn,"not_equal")||isNode(pn,"comp_lt")||
1033 isNode(pn,"comp_lte")||isNode(pn,"comp_gt")||
1034 isNode(pn,"comp_gte")||isNode(pn,"leftshift")||
1035 isNode(pn,"rightshift")||isNode(pn,"sub")||
1036 isNode(pn,"urightshift")||isNode(pn,"sub")||
1037 isNode(pn,"add")||isNode(pn,"mult")||
1038 isNode(pn,"div")||isNode(pn,"mod")) {
1039 ParseNodeVector pnv=pn.getChildren();
1040 ParseNode left=pnv.elementAt(0);
1041 ParseNode right=pnv.elementAt(1);
1042 Operation op=new Operation(pn.getLabel());
1043 OpNode on=new OpNode(parseExpression(left),parseExpression(right),op);
1044 on.setNumLine(pn.getLine());
1046 } else if (isNode(pn,"unaryplus")||
1047 isNode(pn,"unaryminus")||
1049 isNode(pn,"comp")) {
1050 ParseNode left=pn.getFirstChild();
1051 Operation op=new Operation(pn.getLabel());
1052 OpNode on=new OpNode(parseExpression(left),op);
1053 on.setNumLine(pn.getLine());
1055 } else if (isNode(pn,"postinc")||
1056 isNode(pn,"postdec")) {
1057 ParseNode left=pn.getFirstChild();
1058 AssignOperation op=new AssignOperation(pn.getLabel());
1059 AssignmentNode an=new AssignmentNode(parseExpression(left),null,op);
1060 an.setNumLine(pn.getLine());
1063 } else if (isNode(pn,"preinc")||
1064 isNode(pn,"predec")) {
1065 ParseNode left=pn.getFirstChild();
1066 AssignOperation op=isNode(pn,"preinc")?new AssignOperation(AssignOperation.PLUSEQ):new AssignOperation(AssignOperation.MINUSEQ);
1067 AssignmentNode an=new AssignmentNode(parseExpression(left),
1068 new LiteralNode("integer",new Integer(1)),op);
1069 an.setNumLine(pn.getLine());
1071 } else if (isNode(pn,"literal")) {
1072 String literaltype=pn.getTerminal();
1073 ParseNode literalnode=pn.getChild(literaltype);
1074 Object literal_obj=literalnode.getLiteral();
1075 LiteralNode ln=new LiteralNode(literaltype, literal_obj);
1076 ln.setNumLine(pn.getLine());
1078 } else if (isNode(pn, "createobject")) {
1079 TypeDescriptor td = parseTypeDescriptor(pn);
1081 Vector args = parseArgumentList(pn);
1082 boolean isglobal = pn.getChild("global") != null || pn.getChild("scratch") != null;
1083 String disjointId = null;
1084 if (pn.getChild("disjoint") != null) {
1085 disjointId = pn.getChild("disjoint").getTerminal();
1087 ParseNode idChild = (pn.getChild( "id" ));
1088 ParseNode baseChild = (pn.getChild( "base" ));
1090 CreateObjectNode con = new CreateObjectNode(td, isglobal, disjointId);
1091 if( null != idChild && null != idChild.getFirstChild() ) {
1092 idChild = idChild.getFirstChild();
1093 //System.out.println( "\nThe object passed has this expression " + idChild.PPrint( 0, true ) );
1094 ExpressionNode en = parseExpression( idChild );
1095 //System.out.println( "\nThe object passed has this expression " + en.printNode( 0 ) );
1096 con.setSurroundingExpression( en );
1098 else if( null != baseChild && null != baseChild.getFirstChild() ) {
1099 baseChild = baseChild.getFirstChild();
1100 //System.out.println( "\nThe object passed has this expression " + baseChild.PPrint( 0, true ) );
1101 ExpressionNode en = parseExpression( baseChild );
1102 //System.out.println( "\nThe object passed has this expression " + en.printNode( 0 ) );
1103 con.setSurroundingExpression( en );
1105 con.setNumLine(pn.getLine());
1106 for (int i = 0; i < args.size(); i++) {
1107 con.addArgument((ExpressionNode) args.get(i));
1109 /* Could have flag set or tag added here */
1110 if (pn.getChild("flag_list") != null || pn.getChild("tag_list") != null) {
1111 FlagEffects fe = new FlagEffects(null);
1112 if (pn.getChild("flag_list") != null)
1113 parseFlagEffect(fe, pn.getChild("flag_list"));
1115 if (pn.getChild("tag_list") != null)
1116 parseTagEffect(fe, pn.getChild("tag_list"));
1117 con.addFlagEffects(fe);
1121 } else if (isNode(pn,"createobjectcls")) {
1122 //TODO::: FIX BUG!!! static fields in caller context need to become parameters
1123 //TODO::: caller context need to be passed in here
1124 TypeDescriptor td=parseTypeDescriptor(pn);
1126 ClassDescriptor cnnew=new ClassDescriptor(packageName,td.getSymbol()+"$"+innerCount, false);
1128 cnnew.setImports(mandatoryImports, multiimports);
1129 cnnew.setSuper(td.getSymbol());
1131 parseClassBody(cnnew, pn.getChild("decl").getChild("classbody"));
1132 TypeDescriptor tdnew=state.getTypeDescriptor(cnnew.getSymbol());
1134 Vector args=parseArgumentList(pn);
1135 ParseNode idChild = pn.getChild( "id" );
1136 ParseNode baseChild = pn.getChild( "base" );
1137 //System.out.println("\n to print idchild and basechild for ");
1138 /*if( null != idChild )
1139 System.out.println( "\n trying to create an inner class and the id child passed is " + idChild.PPrint( 0, true ) );
1140 if( null != baseChild )
1141 System.out.println( "\n trying to create an inner class and the base child passed is " + baseChild.PPrint( 0, true ) );*/
1142 CreateObjectNode con=new CreateObjectNode(tdnew, false, null);
1143 con.setNumLine(pn.getLine());
1144 for(int i=0; i<args.size(); i++) {
1145 con.addArgument((ExpressionNode)args.get(i));
1149 if (analyzeset != null)
1150 analyzeset.add(cnnew);
1151 cnnew.setSourceFileName(currsourcefile);
1152 state.addClass(cnnew);
1155 } else if (isNode(pn,"createarray")) {
1156 //System.out.println(pn.PPrint(3,true));
1157 boolean isglobal=pn.getChild("global")!=null||
1158 pn.getChild("scratch")!=null;
1159 String disjointId=null;
1160 if( pn.getChild("disjoint") != null) {
1161 disjointId = pn.getChild("disjoint").getTerminal();
1163 TypeDescriptor td=parseTypeDescriptor(pn);
1164 Vector args=parseDimExprs(pn);
1166 if (pn.getChild("dims_opt").getLiteral()!=null)
1167 num=((Integer)pn.getChild("dims_opt").getLiteral()).intValue();
1168 for(int i=0; i<(args.size()+num); i++)
1169 td=td.makeArray(state);
1170 CreateObjectNode con=new CreateObjectNode(td, isglobal, disjointId);
1171 con.setNumLine(pn.getLine());
1172 for(int i=0; i<args.size(); i++) {
1173 con.addArgument((ExpressionNode)args.get(i));
1177 if (isNode(pn,"createarray2")) {
1178 TypeDescriptor td=parseTypeDescriptor(pn);
1180 if (pn.getChild("dims_opt").getLiteral()!=null)
1181 num=((Integer)pn.getChild("dims_opt").getLiteral()).intValue();
1182 for(int i=0; i<num; i++)
1183 td=td.makeArray(state);
1184 CreateObjectNode con=new CreateObjectNode(td, false, null);
1185 con.setNumLine(pn.getLine());
1186 ParseNode ipn = pn.getChild("initializer");
1187 Vector initializers=parseVariableInitializerList(ipn);
1188 ArrayInitializerNode ain = new ArrayInitializerNode(initializers);
1189 ain.setNumLine(pn.getLine());
1190 con.addArrayInitializer(ain);
1192 } else if (isNode(pn,"name")) {
1193 NameDescriptor nd=parseName(pn);
1194 NameNode nn=new NameNode(nd);
1195 nn.setNumLine(pn.getLine());
1197 } else if (isNode(pn,"this")) {
1198 NameDescriptor nd=new NameDescriptor("this");
1199 NameNode nn=new NameNode(nd);
1200 nn.setNumLine(pn.getLine());
1202 } else if (isNode(pn,"parentclass")) {
1203 NameDescriptor nd=new NameDescriptor("this");
1204 NameNode nn=new NameNode(nd);
1205 nn.setNumLine(pn.getLine());
1207 FieldAccessNode fan=new FieldAccessNode(nn,"this$parent");
1208 fan.setNumLine(pn.getLine());
1210 } else if (isNode(pn,"isavailable")) {
1211 NameDescriptor nd=new NameDescriptor(pn.getTerminal());
1212 NameNode nn=new NameNode(nd);
1213 nn.setNumLine(pn.getLine());
1214 return new OpNode(nn,null,new Operation(Operation.ISAVAILABLE));
1215 } else if (isNode(pn,"methodinvoke1")) {
1216 NameDescriptor nd=parseName(pn.getChild("name"));
1217 Vector args=parseArgumentList(pn);
1218 MethodInvokeNode min=new MethodInvokeNode(nd);
1219 min.setNumLine(pn.getLine());
1220 for(int i=0; i<args.size(); i++) {
1221 min.addArgument((ExpressionNode)args.get(i));
1224 } else if (isNode(pn,"methodinvoke2")) {
1225 String methodid=pn.getChild("id").getTerminal();
1226 ExpressionNode exp=parseExpression(pn.getChild("base").getFirstChild());
1227 Vector args=parseArgumentList(pn);
1228 MethodInvokeNode min=new MethodInvokeNode(methodid,exp);
1229 min.setNumLine(pn.getLine());
1230 for(int i=0; i<args.size(); i++) {
1231 min.addArgument((ExpressionNode)args.get(i));
1234 } else if (isNode(pn,"fieldaccess")) {
1235 ExpressionNode en=parseExpression(pn.getChild("base").getFirstChild());
1236 String fieldname=pn.getChild("field").getTerminal();
1238 FieldAccessNode fan=new FieldAccessNode(en,fieldname);
1239 fan.setNumLine(pn.getLine());
1241 } else if (isNode(pn,"arrayaccess")) {
1242 ExpressionNode en=parseExpression(pn.getChild("base").getFirstChild());
1243 ExpressionNode index=parseExpression(pn.getChild("index").getFirstChild());
1244 ArrayAccessNode aan=new ArrayAccessNode(en,index);
1245 aan.setNumLine(pn.getLine());
1247 } else if (isNode(pn,"cast1")) {
1249 CastNode cn=new CastNode(parseTypeDescriptor(pn.getChild("type")),parseExpression(pn.getChild("exp").getFirstChild()));
1250 cn.setNumLine(pn.getLine());
1252 } catch (Exception e) {
1253 System.out.println(pn.PPrint(1,true));
1254 e.printStackTrace();
1257 } else if (isNode(pn,"cast2")) {
1258 CastNode cn=new CastNode(parseExpression(pn.getChild("type").getFirstChild()),parseExpression(pn.getChild("exp").getFirstChild()));
1259 cn.setNumLine(pn.getLine());
1261 } else if (isNode(pn, "getoffset")) {
1262 TypeDescriptor td=parseTypeDescriptor(pn);
1263 String fieldname = pn.getChild("field").getTerminal();
1264 //System.out.println("Checking the values of: "+ " td.toString()= " + td.toString()+ " fieldname= " + fieldname);
1265 return new OffsetNode(td, fieldname);
1266 } else if (isNode(pn, "tert")) {
1268 TertiaryNode tn=new TertiaryNode(parseExpression(pn.getChild("cond").getFirstChild()),
1269 parseExpression(pn.getChild("trueexpr").getFirstChild()),
1270 parseExpression(pn.getChild("falseexpr").getFirstChild()) );
1271 tn.setNumLine(pn.getLine());
1274 } else if (isNode(pn, "instanceof")) {
1275 ExpressionNode exp=parseExpression(pn.getChild("exp").getFirstChild());
1276 TypeDescriptor t=parseTypeDescriptor(pn);
1277 InstanceOfNode ion=new InstanceOfNode(exp,t);
1278 ion.setNumLine(pn.getLine());
1280 } else if (isNode(pn, "array_initializer")) {
1281 Vector initializers=parseVariableInitializerList(pn);
1282 return new ArrayInitializerNode(initializers);
1283 } else if (isNode(pn, "class_type")) {
1284 TypeDescriptor td=parseTypeDescriptor(pn);
1285 ClassTypeNode ctn=new ClassTypeNode(td);
1286 ctn.setNumLine(pn.getLine());
1288 } else if (isNode(pn, "empty")) {
1291 System.out.println("---------------------");
1292 System.out.println(pn.PPrint(3,true));
1297 private Vector parseDimExprs(ParseNode pn) {
1298 Vector arglist=new Vector();
1299 ParseNode an=pn.getChild("dim_exprs");
1300 if (an==null) /* No argument list */
1302 ParseNodeVector anv=an.getChildren();
1303 for(int i=0; i<anv.size(); i++) {
1304 arglist.add(parseExpression(anv.elementAt(i)));
1309 private Vector parseArgumentList(ParseNode pn) {
1310 Vector arglist=new Vector();
1311 ParseNode an=pn.getChild("argument_list");
1312 if (an==null) /* No argument list */
1314 ParseNodeVector anv=an.getChildren();
1315 for(int i=0; i<anv.size(); i++) {
1316 arglist.add(parseExpression(anv.elementAt(i)));
1321 private Vector[] parseConsArgumentList(ParseNode pn) {
1322 Vector arglist=new Vector();
1323 Vector varlist=new Vector();
1324 ParseNode an=pn.getChild("cons_argument_list");
1325 if (an==null) /* No argument list */
1326 return new Vector[] {varlist, arglist};
1327 ParseNodeVector anv=an.getChildren();
1328 for(int i=0; i<anv.size(); i++) {
1329 ParseNode cpn=anv.elementAt(i);
1330 ParseNode var=cpn.getChild("var");
1331 ParseNode exp=cpn.getChild("exp").getFirstChild();
1332 varlist.add(var.getTerminal());
1333 arglist.add(parseExpression(exp));
1335 return new Vector[] {varlist, arglist};
1338 private Vector parseVariableInitializerList(ParseNode pn) {
1339 Vector varInitList=new Vector();
1340 ParseNode vin=pn.getChild("var_init_list");
1341 if (vin==null) /* No argument list */
1343 ParseNodeVector vinv=vin.getChildren();
1344 for(int i=0; i<vinv.size(); i++) {
1345 varInitList.add(parseExpression(vinv.elementAt(i)));
1350 private ExpressionNode parseAssignmentExpression(ParseNode pn) {
1351 AssignOperation ao=new AssignOperation(pn.getChild("op").getTerminal());
1352 ParseNodeVector pnv=pn.getChild("args").getChildren();
1354 AssignmentNode an=new AssignmentNode(parseExpression(pnv.elementAt(0)),parseExpression(pnv.elementAt(1)),ao);
1355 an.setNumLine(pn.getLine());
1360 private void parseMethodDecl(ClassDescriptor cn, ParseNode pn) {
1361 ParseNode headern=pn.getChild("method_header");
1362 ParseNode bodyn=pn.getChild("body");
1363 MethodDescriptor md=parseMethodHeader(headern);
1365 BlockNode bn=parseBlock(bodyn);
1366 bn.setNumLine(pn.getLine()); // assume that method header is located at the beginning of method body
1368 state.addTreeCode(md,bn);
1370 // this is a hack for investigating new language features
1371 // at the AST level, someday should evolve into a nice compiler
1373 //if( cn.getSymbol().equals( ***put a class in here like: "Test" ) &&
1374 // md.getSymbol().equals( ***put your method in here like: "main" )
1376 // bn.setStyle( BlockNode.NORMAL );
1377 // System.out.println( bn.printNode( 0 ) );
1380 } catch (Exception e) {
1381 System.out.println("Error with method:"+md.getSymbol());
1382 e.printStackTrace();
1385 System.out.println("Error with method:"+md.getSymbol());
1386 e.printStackTrace();
1391 private void parseConstructorDecl(ClassDescriptor cn, ParseNode pn) {
1392 ParseNode mn=pn.getChild("modifiers");
1393 Modifiers m=parseModifiersList(mn);
1394 ParseNode cdecl=pn.getChild("constructor_declarator");
1395 boolean isglobal=cdecl.getChild("global")!=null;
1396 String name=resolveName(cn.getSymbol());
1397 MethodDescriptor md=new MethodDescriptor(m, name, isglobal);
1398 ParseNode paramnode=cdecl.getChild("parameters");
1399 parseParameterList(md,paramnode);
1400 ParseNode bodyn0=pn.getChild("body");
1401 ParseNode bodyn=bodyn0.getChild("constructor_body");
1404 if (bodyn!=null&&bodyn.getChild("block_statement_list")!=null)
1405 bn=parseBlock(bodyn);
1408 if (bodyn!=null&&bodyn.getChild("superinvoke")!=null) {
1409 ParseNode sin=bodyn.getChild("superinvoke");
1410 NameDescriptor nd=new NameDescriptor("super");
1411 Vector args=parseArgumentList(sin);
1412 MethodInvokeNode min=new MethodInvokeNode(nd);
1413 min.setNumLine(sin.getLine());
1414 for(int i=0; i<args.size(); i++) {
1415 min.addArgument((ExpressionNode)args.get(i));
1417 BlockExpressionNode ben=new BlockExpressionNode(min);
1418 bn.addFirstBlockStatement(ben);
1420 } else if (bodyn!=null&&bodyn.getChild("explconstrinv")!=null) {
1421 ParseNode eci=bodyn.getChild("explconstrinv");
1422 NameDescriptor nd=new NameDescriptor(cn.getSymbol());
1423 Vector args=parseArgumentList(eci);
1424 MethodInvokeNode min=new MethodInvokeNode(nd);
1425 min.setNumLine(eci.getLine());
1426 for(int i=0; i<args.size(); i++) {
1427 min.addArgument((ExpressionNode)args.get(i));
1429 BlockExpressionNode ben=new BlockExpressionNode(min);
1430 ben.setNumLine(eci.getLine());
1431 bn.addFirstBlockStatement(ben);
1433 state.addTreeCode(md,bn);
1436 private void parseStaticBlockDecl(ClassDescriptor cn, ParseNode pn) {
1437 // Each class maintains one MethodDecscriptor which combines all its
1438 // static blocks in their declaration order
1439 boolean isfirst = false;
1440 MethodDescriptor md = (MethodDescriptor)cn.getMethodTable().getFromSameScope("staticblocks");
1442 // the first static block for this class
1443 Modifiers m_i=new Modifiers();
1444 m_i.addModifier(Modifiers.STATIC);
1445 md = new MethodDescriptor(m_i, "staticblocks", false);
1446 md.setAsStaticBlock();
1449 ParseNode bodyn=pn.getChild("body");
1453 cn.incStaticBlocks();
1455 if (bodyn!=null&&bodyn.getChild("block_statement_list")!=null)
1456 bn=parseBlock(bodyn);
1460 state.addTreeCode(md,bn);
1462 BlockNode obn = state.getMethodBody(md);
1463 for(int i = 0; i < bn.size(); i++) {
1464 BlockStatementNode bsn = bn.get(i);
1465 obn.addBlockStatement(bsn);
1467 state.addTreeCode(md, obn);
1472 public BlockNode parseBlock(ParseNode pn) {
1473 this.m_taskexitnum = 0;
1474 if (pn==null||isEmpty(pn.getTerminal()))
1475 return new BlockNode();
1476 ParseNode bsn=pn.getChild("block_statement_list");
1477 return parseBlockHelper(bsn);
1480 private BlockNode parseBlockHelper(ParseNode pn) {
1481 ParseNodeVector pnv=pn.getChildren();
1482 BlockNode bn=new BlockNode();
1483 for(int i=0; i<pnv.size(); i++) {
1484 Vector bsv=parseBlockStatement(pnv.elementAt(i));
1485 for(int j=0; j<bsv.size(); j++) {
1486 bn.addBlockStatement((BlockStatementNode)bsv.get(j));
1492 public BlockNode parseSingleBlock(ParseNode pn, String label){
1493 BlockNode bn=new BlockNode();
1494 Vector bsv=parseBlockStatement(pn,label);
1495 for(int j=0; j<bsv.size(); j++) {
1496 bn.addBlockStatement((BlockStatementNode)bsv.get(j));
1498 bn.setStyle(BlockNode.NOBRACES);
1502 public BlockNode parseSingleBlock(ParseNode pn) {
1503 return parseSingleBlock(pn,null);
1506 public Vector parseSESEBlock(Vector parentbs, ParseNode pn) {
1507 ParseNodeVector pnv=pn.getChildren();
1508 Vector bv=new Vector();
1509 for(int i=0; i<pnv.size(); i++) {
1510 bv.addAll(parseBlockStatement(pnv.elementAt(i)));
1515 public Vector parseBlockStatement(ParseNode pn){
1516 return parseBlockStatement(pn,null);
1519 public Vector parseBlockStatement(ParseNode pn, String label) {
1520 Vector blockstatements=new Vector();
1521 if (isNode(pn,"tag_declaration")) {
1522 String name=pn.getChild("single").getTerminal();
1523 String type=pn.getChild("type").getTerminal();
1525 TagDeclarationNode tdn=new TagDeclarationNode(name, type);
1526 tdn.setNumLine(pn.getLine());
1528 blockstatements.add(tdn);
1529 } else if (isNode(pn,"local_variable_declaration")) {
1531 TypeDescriptor t=parseTypeDescriptor(pn);
1532 ParseNode vn=pn.getChild("variable_declarators_list");
1533 ParseNodeVector pnv=vn.getChildren();
1534 for(int i=0; i<pnv.size(); i++) {
1535 ParseNode vardecl=pnv.elementAt(i);
1538 ParseNode tmp=vardecl;
1539 TypeDescriptor arrayt=t;
1541 while (tmp.getChild("single")==null) {
1542 arrayt=arrayt.makeArray(state);
1543 tmp=tmp.getChild("array");
1545 String identifier=tmp.getChild("single").getTerminal();
1547 ParseNode epn=vardecl.getChild("initializer");
1550 ExpressionNode en=null;
1552 en=parseExpression(epn.getFirstChild());
1554 DeclarationNode dn=new DeclarationNode(new VarDescriptor(arrayt, identifier),en);
1555 dn.setNumLine(tmp.getLine());
1557 ParseNode mn=pn.getChild("modifiers");
1559 // here, modifers parse node has the list of annotations
1560 Modifiers m=parseModifiersList(mn);
1561 assignAnnotationsToType(m, arrayt);
1564 blockstatements.add(dn);
1566 } else if (isNode(pn,"nop")) {
1568 } else if (isNode(pn,"expression")) {
1569 BlockExpressionNode ben=new BlockExpressionNode(parseExpression(pn.getFirstChild()));
1570 ben.setNumLine(pn.getLine());
1571 blockstatements.add(ben);
1572 } else if (isNode(pn,"ifstatement")) {
1573 IfStatementNode isn=new IfStatementNode(parseExpression(pn.getChild("condition").getFirstChild()),
1574 parseSingleBlock(pn.getChild("statement").getFirstChild()),
1575 pn.getChild("else_statement")!=null?parseSingleBlock(pn.getChild("else_statement").getFirstChild()):null);
1576 isn.setNumLine(pn.getLine());
1578 blockstatements.add(isn);
1579 } else if (isNode(pn,"switch_statement")) {
1580 // TODO add version for normal Java later
1581 SwitchStatementNode ssn=new SwitchStatementNode(parseExpression(pn.getChild("condition").getFirstChild()),
1582 parseSingleBlock(pn.getChild("statement").getFirstChild()));
1583 ssn.setNumLine(pn.getLine());
1584 blockstatements.add(ssn);
1585 } else if (isNode(pn,"switch_block_list")) {
1586 // TODO add version for normal Java later
1587 ParseNodeVector pnv=pn.getChildren();
1588 for(int i=0; i<pnv.size(); i++) {
1589 ParseNode sblockdecl=pnv.elementAt(i);
1591 if(isNode(sblockdecl, "switch_block")) {
1592 ParseNode lpn=sblockdecl.getChild("switch_labels").getChild("switch_label_list");
1593 ParseNodeVector labelv=lpn.getChildren();
1594 Vector<SwitchLabelNode> slv = new Vector<SwitchLabelNode>();
1595 for(int j=0; j<labelv.size(); j++) {
1596 ParseNode labeldecl=labelv.elementAt(j);
1597 if(isNode(labeldecl, "switch_label")) {
1598 SwitchLabelNode sln=new SwitchLabelNode(parseExpression(labeldecl.getChild("constant_expression").getFirstChild()), false);
1599 sln.setNumLine(labeldecl.getLine());
1600 slv.addElement(sln);
1601 } else if(isNode(labeldecl, "default_switch_label")) {
1602 SwitchLabelNode sln=new SwitchLabelNode(null, true);
1603 sln.setNumLine(labeldecl.getLine());
1604 slv.addElement(sln);
1608 SwitchBlockNode sbn=new SwitchBlockNode(slv,
1609 parseSingleBlock(sblockdecl.getChild("switch_statements").getFirstChild()));
1610 sbn.setNumLine(sblockdecl.getLine());
1612 blockstatements.add(sbn);
1616 } else if (isNode(pn, "trycatchstatement")) {
1617 // TODO add version for normal Java later
1618 // Do not fully support exceptions now. Only make sure that if there are no
1619 // exceptions thrown, the execution is right
1620 ParseNode tpn = pn.getChild("tryblock").getFirstChild();
1621 BlockNode bn=parseBlockHelper(tpn);
1622 blockstatements.add(new SubBlockNode(bn));
1624 ParseNode fbk = pn.getChild("finallyblock");
1626 ParseNode fpn = fbk.getFirstChild();
1627 BlockNode fbn=parseBlockHelper(fpn);
1628 blockstatements.add(new SubBlockNode(fbn));
1630 } else if (isNode(pn, "throwstatement")) {
1631 // TODO Simply return here
1632 //blockstatements.add(new ReturnNode());
1633 } else if (isNode(pn,"taskexit")) {
1635 if (pn.getChild("flag_effects_list")!=null)
1636 vfe=parseFlags(pn.getChild("flag_effects_list"));
1638 if (pn.getChild("cons_checks")!=null)
1639 ccs=parseChecks(pn.getChild("cons_checks"));
1640 TaskExitNode ten=new TaskExitNode(vfe, ccs, this.m_taskexitnum++);
1641 ten.setNumLine(pn.getLine());
1642 blockstatements.add(ten);
1643 } else if (isNode(pn,"atomic")) {
1644 BlockNode bn=parseBlockHelper(pn);
1645 AtomicNode an=new AtomicNode(bn);
1646 an.setNumLine(pn.getLine());
1647 blockstatements.add(an);
1648 } else if (isNode(pn,"synchronized")) {
1649 BlockNode bn=parseBlockHelper(pn.getChild("block"));
1650 ExpressionNode en=parseExpression(pn.getChild("expr").getFirstChild());
1651 SynchronizedNode sn=new SynchronizedNode(en, bn);
1652 sn.setNumLine(pn.getLine());
1653 blockstatements.add(sn);
1654 } else if (isNode(pn,"return")) {
1655 if (isEmpty(pn.getTerminal()))
1656 blockstatements.add(new ReturnNode());
1658 ExpressionNode en=parseExpression(pn.getFirstChild());
1659 ReturnNode rn=new ReturnNode(en);
1660 rn.setNumLine(pn.getLine());
1661 blockstatements.add(rn);
1663 } else if (isNode(pn,"block_statement_list")) {
1664 BlockNode bn=parseBlockHelper(pn);
1665 blockstatements.add(new SubBlockNode(bn));
1666 } else if (isNode(pn,"empty")) {
1668 } else if (isNode(pn,"statement_expression_list")) {
1669 ParseNodeVector pnv=pn.getChildren();
1670 BlockNode bn=new BlockNode();
1671 for(int i=0; i<pnv.size(); i++) {
1672 ExpressionNode en=parseExpression(pnv.elementAt(i));
1673 blockstatements.add(new BlockExpressionNode(en));
1675 bn.setStyle(BlockNode.EXPRLIST);
1676 } else if (isNode(pn,"forstatement")) {
1677 BlockNode init=parseSingleBlock(pn.getChild("initializer").getFirstChild());
1678 BlockNode update=parseSingleBlock(pn.getChild("update").getFirstChild());
1679 ExpressionNode condition=parseExpression(pn.getChild("condition").getFirstChild());
1680 BlockNode body=parseSingleBlock(pn.getChild("statement").getFirstChild());
1681 if(condition == null) {
1682 // no condition clause, make a 'true' expression as the condition
1683 condition = (ExpressionNode) new LiteralNode("boolean", new Boolean(true));
1685 LoopNode ln=new LoopNode(init,condition,update,body,label);
1686 ln.setNumLine(pn.getLine());
1687 blockstatements.add(ln);
1688 } else if (isNode(pn,"whilestatement")) {
1689 ExpressionNode condition=parseExpression(pn.getChild("condition").getFirstChild());
1690 BlockNode body=parseSingleBlock(pn.getChild("statement").getFirstChild());
1691 if(condition == null) {
1692 // no condition clause, make a 'true' expression as the condition
1693 condition = (ExpressionNode) new LiteralNode("boolean", new Boolean(true));
1695 blockstatements.add(new LoopNode(condition,body,LoopNode.WHILELOOP,label));
1696 } else if (isNode(pn,"dowhilestatement")) {
1697 ExpressionNode condition=parseExpression(pn.getChild("condition").getFirstChild());
1698 BlockNode body=parseSingleBlock(pn.getChild("statement").getFirstChild());
1699 if(condition == null) {
1700 // no condition clause, make a 'true' expression as the condition
1701 condition = (ExpressionNode) new LiteralNode("boolean", new Boolean(true));
1703 blockstatements.add(new LoopNode(condition,body,LoopNode.DOWHILELOOP,label));
1704 } else if (isNode(pn,"sese")) {
1705 ParseNode pnID=pn.getChild("identifier");
1707 if( pnID != null ) {
1708 stID=pnID.getFirstChild().getTerminal();
1710 SESENode start=new SESENode(stID);
1711 start.setNumLine(pn.getLine());
1712 SESENode end =new SESENode(stID);
1714 end.setStart(start);
1715 blockstatements.add(start);
1716 blockstatements.addAll(parseSESEBlock(blockstatements,pn.getChild("body").getFirstChild()));
1717 blockstatements.add(end);
1718 } else if (isNode(pn,"continue")) {
1719 ContinueBreakNode cbn=new ContinueBreakNode(false);
1720 cbn.setNumLine(pn.getLine());
1721 blockstatements.add(cbn);
1722 } else if (isNode(pn,"break")) {
1723 ContinueBreakNode cbn=new ContinueBreakNode(true);
1724 cbn.setNumLine(pn.getLine());
1725 blockstatements.add(cbn);
1726 ParseNode idopt_pn=pn.getChild("identifier_opt");
1727 ParseNode name_pn=idopt_pn.getChild("name");
1728 // name_pn.getTerminal() gives you the label
1730 } else if (isNode(pn,"genreach")) {
1731 String graphName = pn.getChild("graphName").getTerminal();
1732 blockstatements.add(new GenReachNode(graphName) );
1734 } else if (isNode(pn,"gen_def_reach")) {
1735 String outputName = pn.getChild("outputName").getTerminal();
1736 blockstatements.add(new GenDefReachNode(outputName) );
1738 } else if(isNode(pn,"labeledstatement")) {
1739 String labeledstatement = pn.getChild("name").getTerminal();
1740 BlockNode bn=parseSingleBlock(pn.getChild("statement").getFirstChild(),labeledstatement);
1741 blockstatements.add(new SubBlockNode(bn));
1743 System.out.println("---------------");
1744 System.out.println(pn.PPrint(3,true));
1747 return blockstatements;
1750 public MethodDescriptor parseMethodHeader(ParseNode pn) {
1751 ParseNode mn=pn.getChild("modifiers");
1752 Modifiers m=parseModifiersList(mn);
1754 ParseNode tn=pn.getChild("returntype");
1755 TypeDescriptor returntype;
1757 returntype=parseTypeDescriptor(tn);
1759 returntype=new TypeDescriptor(TypeDescriptor.VOID);
1761 ParseNode pmd=pn.getChild("method_declarator");
1762 String name=pmd.getChild("name").getTerminal();
1763 MethodDescriptor md=new MethodDescriptor(m, returntype, name);
1765 ParseNode paramnode=pmd.getChild("parameters");
1766 parseParameterList(md,paramnode);
1770 public void parseParameterList(MethodDescriptor md, ParseNode pn) {
1771 ParseNode paramlist=pn.getChild("formal_parameter_list");
1772 if (paramlist==null)
1774 ParseNodeVector pnv=paramlist.getChildren();
1775 for(int i=0; i<pnv.size(); i++) {
1776 ParseNode paramn=pnv.elementAt(i);
1778 if (isNode(paramn, "tag_parameter")) {
1779 String paramname=paramn.getChild("single").getTerminal();
1780 TypeDescriptor type=new TypeDescriptor(TypeDescriptor.TAG);
1781 md.addTagParameter(type, paramname);
1784 TypeDescriptor type=parseTypeDescriptor(paramn);
1786 ParseNode tmp=paramn;
1787 while (tmp.getChild("single")==null) {
1788 type=type.makeArray(state);
1789 tmp=tmp.getChild("array");
1791 String paramname=tmp.getChild("single").getTerminal();
1793 md.addParameter(type, paramname);
1794 if(isNode(paramn, "annotation_parameter")) {
1795 ParseNode listnode=paramn.getChild("annotation_list");
1796 parseParameterAnnotation(listnode,type);
1803 public Modifiers parseModifiersList(ParseNode pn) {
1804 Modifiers m=new Modifiers();
1805 ParseNode modlist=pn.getChild("modifier_list");
1806 if (modlist!=null) {
1807 ParseNodeVector pnv=modlist.getChildren();
1808 for(int i=0; i<pnv.size(); i++) {
1809 ParseNode modn=pnv.elementAt(i);
1810 if (isNode(modn,"public"))
1811 m.addModifier(Modifiers.PUBLIC);
1812 else if (isNode(modn,"protected"))
1813 m.addModifier(Modifiers.PROTECTED);
1814 else if (isNode(modn,"private"))
1815 m.addModifier(Modifiers.PRIVATE);
1816 else if (isNode(modn,"static"))
1817 m.addModifier(Modifiers.STATIC);
1818 else if (isNode(modn,"final"))
1819 m.addModifier(Modifiers.FINAL);
1820 else if (isNode(modn,"native"))
1821 m.addModifier(Modifiers.NATIVE);
1822 else if (isNode(modn,"synchronized"))
1823 m.addModifier(Modifiers.SYNCHRONIZED);
1824 else if (isNode(modn,"atomic"))
1825 m.addModifier(Modifiers.ATOMIC);
1826 else if (isNode(modn,"abstract"))
1827 m.addModifier(Modifiers.ABSTRACT);
1828 else if (isNode(modn,"volatile"))
1829 m.addModifier(Modifiers.VOLATILE);
1830 else if (isNode(modn,"transient"))
1831 m.addModifier(Modifiers.TRANSIENT);
1832 else if(isNode(modn,"annotation_list"))
1833 parseAnnotationList(modn,m);
1835 throw new Error("Unrecognized Modifier:"+modn.getLabel());
1842 private void parseAnnotationList(ParseNode pn, Modifiers m) {
1843 ParseNodeVector pnv = pn.getChildren();
1844 for (int i = 0; i < pnv.size(); i++) {
1845 ParseNode body_list = pnv.elementAt(i);
1846 if (isNode(body_list, "annotation_body")) {
1847 ParseNode body_node = body_list.getFirstChild();
1848 if (isNode(body_node, "marker_annotation")) {
1849 m.addAnnotation(new AnnotationDescriptor(body_node.getChild("name").getTerminal()));
1850 } else if (isNode(body_node, "single_annotation")) {
1851 m.addAnnotation(new AnnotationDescriptor(body_node.getChild("name").getTerminal(),
1852 body_node.getChild("element_value").getTerminal()));
1853 } else if (isNode(body_node, "normal_annotation")) {
1854 throw new Error("Annotation with multiple data members is not supported yet.");
1860 private void parseParameterAnnotation(ParseNode pn,TypeDescriptor type) {
1861 ParseNodeVector pnv = pn.getChildren();
1862 for (int i = 0; i < pnv.size(); i++) {
1863 ParseNode body_list = pnv.elementAt(i);
1864 if (isNode(body_list, "annotation_body")) {
1865 ParseNode body_node = body_list.getFirstChild();
1866 if (isNode(body_node, "marker_annotation")) {
1867 type.addAnnotationMarker(new AnnotationDescriptor(body_node.getChild("name").getTerminal()));
1868 } else if (isNode(body_node, "single_annotation")) {
1869 type.addAnnotationMarker(new AnnotationDescriptor(body_node.getChild("name").getTerminal(),
1870 body_node.getChild("element_value").getTerminal()));
1871 } else if (isNode(body_node, "normal_annotation")) {
1872 throw new Error("Annotation with multiple data members is not supported yet.");
1878 private boolean isNode(ParseNode pn, String label) {
1879 if (pn.getLabel().equals(label))
1884 private static boolean isEmpty(ParseNode pn) {
1885 if (pn.getLabel().equals("empty"))
1891 private static boolean isEmpty(String s) {
1892 if (s.equals("empty"))
1898 /** Throw an exception if something is unexpected */
1899 private void check(ParseNode pn, String label) {
1901 throw new Error(pn+ "IE: Expected '" + label + "', got null");
1903 if (!pn.getLabel().equals(label)) {
1904 throw new Error(pn+ "IE: Expected '" + label + "', got '"+pn.getLabel()+"'");