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, md, md.isStatic()||md.isStaticBlock(), 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, null, false, 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$n representing a final reference to the next surrounding class. each inner class should have whatever inner class
605 //pointers the surrounding class has + a pointer to the surrounding class.
608 this.isRunningRecursiveInnerClass = true; //fOR dEBUGGING PURPOSES IN ORDER TO DUMP STRINGS WHILE IN THIS CODE PATH
609 addOuterClassReferences( cn, 0 );
610 addOuterClassParam( cn, 0 );
611 this.isRunningRecursiveInnerClass = false;
616 private void initializeOuterMember( MethodDescriptor md, String fieldName, String formalParameter ) {
617 BlockNode obn = state.getMethodBody(md);
618 NameNode nn=new NameNode( new NameDescriptor( fieldName ) );
619 NameNode fn = new NameNode ( new NameDescriptor( formalParameter ) );
620 //nn.setNumLine(en.getNumLine())
621 AssignmentNode an=new AssignmentNode(nn,fn,new AssignOperation(1));
622 //an.setNumLine(pn.getLine());
623 obn.addFirstBlockStatement(new BlockExpressionNode(an));
624 // System.out.print( "The code inserted is : " + obn.printNode( 0 ) + "\n" );
625 state.addTreeCode(md, obn);
628 private void addOuterClassParam( ClassDescriptor cn, int depth )
630 Iterator nullCheckItr = cn.getInnerClasses();
631 if( false == nullCheckItr.hasNext() )
634 //create a typedescriptor of type cn
635 TypeDescriptor theTypeDesc = new TypeDescriptor( cn );
637 for(Iterator it=cn.getInnerClasses(); it.hasNext(); ) {
638 ClassDescriptor icd=(ClassDescriptor)it.next();
639 if(icd.isStatic()||icd.getInStaticContext()) {
643 //iterate over all ctors of I.Cs and add a new param
644 for(Iterator method_it=icd.getMethods(); method_it.hasNext(); ) {
645 MethodDescriptor md=(MethodDescriptor)method_it.next();
646 if( md.isConstructor() ){
647 md.addParameter( theTypeDesc, "surrounding$" + 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 if(icd.isStatic() || icd.getInStaticContext()) {
689 parseFieldDecl( icd, theNode );
691 SymbolTable fieldTable = icd.getFieldTable();
692 //System.out.println( fieldTable.toString() );
694 icd.setInnerDepth( depth + 1 );
695 addOuterClassReferences( icd, depth + 1 );
699 private void parseClassBody(ClassDescriptor cn, ParseNode pn) {
700 ParseNode decls=pn.getChild("class_body_declaration_list");
702 ParseNodeVector pnv=decls.getChildren();
703 for(int i=0; i<pnv.size(); i++) {
704 ParseNode decl=pnv.elementAt(i);
705 if (isNode(decl,"member")) {
706 parseClassMember(cn,decl);
707 } else if (isNode(decl,"constructor")) {
708 parseConstructorDecl(cn,decl.getChild("constructor_declaration"));
709 } else if (isNode(decl, "static_block")) {
710 parseStaticBlockDecl(cn, decl.getChild("static_block_declaration"));
711 } else if (isNode(decl,"block")) {
712 } else throw new Error();
717 private void parseClassMember(ClassDescriptor cn, ParseNode pn) {
718 ParseNode fieldnode=pn.getChild("field");
719 if (fieldnode!=null) {
720 //System.out.println( pn.PPrint( 0, true ) );
721 parseFieldDecl(cn,fieldnode.getChild("field_declaration"));
724 ParseNode methodnode=pn.getChild("method");
725 if (methodnode!=null) {
726 parseMethodDecl(cn,methodnode.getChild("method_declaration"));
729 ParseNode innerclassnode=pn.getChild("inner_class_declaration");
730 if (innerclassnode!=null) {
731 parseInnerClassDecl(cn,innerclassnode);
734 ParseNode innerinterfacenode=pn.getChild("interface_declaration");
735 if (innerinterfacenode!=null) {
736 parseInterfaceDecl(innerinterfacenode, cn);
740 ParseNode enumnode=pn.getChild("enum_declaration");
741 if (enumnode!=null) {
742 ClassDescriptor ecn=parseEnumDecl(cn,enumnode);
745 ParseNode flagnode=pn.getChild("flag");
746 if (flagnode!=null) {
747 parseFlagDecl(cn, flagnode.getChild("flag_declaration"));
750 // in case there are empty node
751 ParseNode emptynode=pn.getChild("empty");
752 if(emptynode != null) {
755 System.out.println("Unrecognized node:"+pn.PPrint(2,true));
759 //10/9/2011 changed this function to enable creation of default constructor for inner classes.
760 //the change was refactoring this function with the corresponding version for normal classes. sganapat
761 private ClassDescriptor parseInnerClassDecl(ClassDescriptor cn, ParseNode pn) {
762 String basename=pn.getChild("name").getTerminal();
763 String classname=cn.getClassName()+"$"+basename;
765 if (cn.getPackage()==null)
766 cn.getSingleImportMappings().put(basename,classname);
768 cn.getSingleImportMappings().put(basename,cn.getPackage()+"."+classname);
770 ClassDescriptor icn=new ClassDescriptor(cn.getPackage(), classname, false);
772 icn.setImports(mandatoryImports, multiimports);
773 icn.setSurroundingClass(cn.getSymbol());
774 icn.setSurrounding(cn);
775 cn.addInnerClass(icn);
777 if (!isEmpty(pn.getChild("super").getTerminal())) {
778 /* parse superclass name */
779 ParseNode snn=pn.getChild("super").getChild("type").getChild("class").getChild("name");
780 NameDescriptor nd=parseClassName(snn);
781 icn.setSuper(nd.toString());
783 if (!(icn.getSymbol().equals(TypeUtil.ObjectClass)||
784 icn.getSymbol().equals(TypeUtil.TagClass)))
785 icn.setSuper(TypeUtil.ObjectClass);
787 // check inherited interfaces
788 if (!isEmpty(pn.getChild("superIF").getTerminal())) {
789 /* parse inherited interface name */
790 ParseNode snlist=pn.getChild("superIF").getChild("interface_type_list");
791 ParseNodeVector pnv=snlist.getChildren();
792 for(int i=0; i<pnv.size(); i++) {
793 ParseNode decl=pnv.elementAt(i);
794 if (isNode(decl,"type")) {
795 NameDescriptor nd=parseClassName(decl.getChild("class").getChild("name"));
796 icn.addSuperInterface(nd.toString());
800 icn.setModifiers(parseModifiersList(pn.getChild("modifiers")));
803 icn.setAsInnerClass();
805 parseClassBody(icn, pn.getChild("classbody"));
807 boolean hasConstructor = false;
808 for(Iterator method_it=icn.getMethods(); method_it.hasNext(); ) {
809 MethodDescriptor md=(MethodDescriptor)method_it.next();
810 hasConstructor |= md.isConstructor();
812 //sganapat adding change to allow proper construction of inner class objects
813 if((!hasConstructor) && (!icn.isEnum())) {
814 // add a default constructor for this class
815 MethodDescriptor md = new MethodDescriptor(new Modifiers(Modifiers.PUBLIC),
816 icn.getSymbol(), false);
817 BlockNode bn=new BlockNode();
818 state.addTreeCode(md,bn);
819 md.setDefaultConstructor();
824 if (analyzeset != null)
826 icn.setSourceFileName(currsourcefile);
832 private TypeDescriptor parseTypeDescriptor(ParseNode pn) {
833 ParseNode tn=pn.getChild("type");
834 String type_st=tn.getTerminal();
835 if(type_st.equals("byte")) {
836 return state.getTypeDescriptor(TypeDescriptor.BYTE);
837 } else if(type_st.equals("short")) {
838 return state.getTypeDescriptor(TypeDescriptor.SHORT);
839 } else if(type_st.equals("boolean")) {
840 return state.getTypeDescriptor(TypeDescriptor.BOOLEAN);
841 } else if(type_st.equals("int")) {
842 return state.getTypeDescriptor(TypeDescriptor.INT);
843 } else if(type_st.equals("long")) {
844 return state.getTypeDescriptor(TypeDescriptor.LONG);
845 } else if(type_st.equals("char")) {
846 return state.getTypeDescriptor(TypeDescriptor.CHAR);
847 } else if(type_st.equals("float")) {
848 return state.getTypeDescriptor(TypeDescriptor.FLOAT);
849 } else if(type_st.equals("double")) {
850 return state.getTypeDescriptor(TypeDescriptor.DOUBLE);
851 } else if(type_st.equals("class")) {
852 ParseNode nn=tn.getChild("class");
853 return state.getTypeDescriptor(parseClassName(nn.getChild("name")));
854 } else if(type_st.equals("array")) {
855 ParseNode nn=tn.getChild("array");
856 TypeDescriptor td=parseTypeDescriptor(nn.getChild("basetype"));
857 Integer numdims=(Integer)nn.getChild("dims").getLiteral();
858 for(int i=0; i<numdims.intValue(); i++)
859 td=td.makeArray(state);
862 System.out.println(pn.PPrint(2, true));
867 //Needed to separate out top level call since if a base exists,
868 //we do not want to apply our resolveName function (i.e. deal with imports)
869 //otherwise, if base == null, we do just want to resolve name.
870 private NameDescriptor parseClassName(ParseNode nn) {
873 ParseNode base=nn.getChild("base");
874 ParseNode id=nn.getChild("identifier");
875 String classname = id.getTerminal();
877 return new NameDescriptor(resolveName(classname));
879 return new NameDescriptor(parseClassNameRecursive(base.getChild("name")),classname);
882 private NameDescriptor parseClassNameRecursive(ParseNode nn) {
883 ParseNode base=nn.getChild("base");
884 ParseNode id=nn.getChild("identifier");
885 String classname = id.getTerminal();
887 return new NameDescriptor(classname);
889 return new NameDescriptor(parseClassNameRecursive(base.getChild("name")),classname);
892 //This will get the mapping of a terminal class name
893 //to a canonical classname (with imports/package locations in them)
894 private String resolveName(String terminal) {
896 if(mandatoryImports.containsKey(terminal)) {
897 return (String) mandatoryImports.get(terminal);
899 if(multiimports.containsKey(terminal)) {
901 Object o = multiimports.get(terminal);
902 if(o instanceof Error) {
903 throw new Error("Class " + terminal + " is ambiguous. Cause: more than 1 package import contain the same class.");
905 //At this point, if we found a unique class
906 //we can treat it as a single, mandatory import.
907 mandatoryImports.put(terminal, o);
916 //only function difference between this and parseName() is that this
917 //does not look for a import mapping.
918 private NameDescriptor parseName(ParseNode nn) {
919 ParseNode base=nn.getChild("base");
920 ParseNode id=nn.getChild("identifier");
922 return new NameDescriptor(id.getTerminal());
924 return new NameDescriptor(parseName(base.getChild("name")),id.getTerminal());
927 private void parseFlagDecl(ClassDescriptor cn,ParseNode pn) {
928 String name=pn.getChild("name").getTerminal();
929 FlagDescriptor flag=new FlagDescriptor(name);
930 if (pn.getChild("external")!=null)
935 private void parseFieldDecl(ClassDescriptor cn,ParseNode pn) {
936 ParseNode mn=pn.getChild("modifier");
937 Modifiers m=parseModifiersList(mn);
938 if(cn.isInterface()) {
939 // TODO add version for normal Java later
940 // Can only be PUBLIC or STATIC or FINAL
941 if((m.isAbstract()) || (m.isAtomic()) || (m.isNative())
942 || (m.isSynchronized())) {
943 throw new Error("Error: field in Interface " + cn.getSymbol() + "can only be PUBLIC or STATIC or FINAL");
945 m.addModifier(Modifiers.PUBLIC);
946 m.addModifier(Modifiers.STATIC);
947 m.addModifier(Modifiers.FINAL);
950 ParseNode tn=pn.getChild("type");
951 TypeDescriptor t=parseTypeDescriptor(tn);
952 ParseNode vn=pn.getChild("variables").getChild("variable_declarators_list");
953 ParseNodeVector pnv=vn.getChildren();
954 boolean isglobal=pn.getChild("global")!=null;
956 for(int i=0; i<pnv.size(); i++) {
957 ParseNode vardecl=pnv.elementAt(i);
958 ParseNode tmp=vardecl;
959 TypeDescriptor arrayt=t;
960 if( this.isRunningRecursiveInnerClass && false )
962 System.out.println( "the length of the list is " + String.valueOf( pnv.size() ) );
963 System.out.println( "\n the parse node is \n" + tmp.PPrint( 0, true ) );
965 while (tmp.getChild("single")==null) {
966 arrayt=arrayt.makeArray(state);
967 tmp=tmp.getChild("array");
969 String identifier=tmp.getChild("single").getTerminal();
970 ParseNode epn=vardecl.getChild("initializer");
972 ExpressionNode en=null;
975 en=parseExpression(cn, null, m.isStatic(), epn.getFirstChild());
976 en.setNumLine(epn.getFirstChild().getLine());
978 // for static field, the initializer should be considered as a
980 boolean isfirst = false;
981 MethodDescriptor md = (MethodDescriptor)cn.getMethodTable().getFromSameScope("staticblocks");
983 // the first static block for this class
984 Modifiers m_i=new Modifiers();
985 m_i.addModifier(Modifiers.STATIC);
986 md = new MethodDescriptor(m_i, "staticblocks", false);
987 md.setAsStaticBlock();
993 cn.incStaticBlocks();
994 BlockNode bn=new BlockNode();
995 NameNode nn=new NameNode(new NameDescriptor(identifier));
996 nn.setNumLine(en.getNumLine());
997 AssignmentNode an=new AssignmentNode(nn,en,new AssignOperation(1));
998 an.setNumLine(pn.getLine());
999 bn.addBlockStatement(new BlockExpressionNode(an));
1001 state.addTreeCode(md,bn);
1003 BlockNode obn = state.getMethodBody(md);
1004 for(int ii = 0; ii < bn.size(); ii++) {
1005 BlockStatementNode bsn = bn.get(ii);
1006 obn.addBlockStatement(bsn);
1008 state.addTreeCode(md, obn);
1015 cn.addField(new FieldDescriptor(m, arrayt, identifier, en, isglobal));
1016 assignAnnotationsToType(m,arrayt);
1020 private void assignAnnotationsToType(Modifiers modifiers, TypeDescriptor type) {
1021 Vector<AnnotationDescriptor> annotations=modifiers.getAnnotations();
1022 for(int i=0; i<annotations.size(); i++) {
1023 // it only supports a marker annotation
1024 AnnotationDescriptor an=annotations.elementAt(i);
1025 type.addAnnotationMarker(an);
1031 private ExpressionNode parseExpression(ClassDescriptor cn, MethodDescriptor md, boolean isStaticContext, ParseNode pn) {
1032 if (isNode(pn,"assignment"))
1034 //System.out.println( "parsing a field decl in my class that has assignment in initialization " + pn.PPrint( 0, true ) + "\n");
1035 return parseAssignmentExpression(cn, md, isStaticContext, pn);
1037 else if (isNode(pn,"logical_or")||isNode(pn,"logical_and")||
1038 isNode(pn,"bitwise_or")||isNode(pn,"bitwise_xor")||
1039 isNode(pn,"bitwise_and")||isNode(pn,"equal")||
1040 isNode(pn,"not_equal")||isNode(pn,"comp_lt")||
1041 isNode(pn,"comp_lte")||isNode(pn,"comp_gt")||
1042 isNode(pn,"comp_gte")||isNode(pn,"leftshift")||
1043 isNode(pn,"rightshift")||isNode(pn,"sub")||
1044 isNode(pn,"urightshift")||isNode(pn,"sub")||
1045 isNode(pn,"add")||isNode(pn,"mult")||
1046 isNode(pn,"div")||isNode(pn,"mod")) {
1047 ParseNodeVector pnv=pn.getChildren();
1048 ParseNode left=pnv.elementAt(0);
1049 ParseNode right=pnv.elementAt(1);
1050 Operation op=new Operation(pn.getLabel());
1051 OpNode on=new OpNode(parseExpression(cn, md, isStaticContext, left),parseExpression(cn, md, isStaticContext, right),op);
1052 on.setNumLine(pn.getLine());
1054 } else if (isNode(pn,"unaryplus")||
1055 isNode(pn,"unaryminus")||
1057 isNode(pn,"comp")) {
1058 ParseNode left=pn.getFirstChild();
1059 Operation op=new Operation(pn.getLabel());
1060 OpNode on=new OpNode(parseExpression(cn, md, isStaticContext, left),op);
1061 on.setNumLine(pn.getLine());
1063 } else if (isNode(pn,"postinc")||
1064 isNode(pn,"postdec")) {
1065 ParseNode left=pn.getFirstChild();
1066 AssignOperation op=new AssignOperation(pn.getLabel());
1067 AssignmentNode an=new AssignmentNode(parseExpression(cn, md, isStaticContext, left),null,op);
1068 an.setNumLine(pn.getLine());
1071 } else if (isNode(pn,"preinc")||
1072 isNode(pn,"predec")) {
1073 ParseNode left=pn.getFirstChild();
1074 AssignOperation op=isNode(pn,"preinc")?new AssignOperation(AssignOperation.PLUSEQ):new AssignOperation(AssignOperation.MINUSEQ);
1075 AssignmentNode an=new AssignmentNode(parseExpression(cn, md, isStaticContext, left),
1076 new LiteralNode("integer",new Integer(1)),op);
1077 an.setNumLine(pn.getLine());
1079 } else if (isNode(pn,"literal")) {
1080 String literaltype=pn.getTerminal();
1081 ParseNode literalnode=pn.getChild(literaltype);
1082 Object literal_obj=literalnode.getLiteral();
1083 LiteralNode ln=new LiteralNode(literaltype, literal_obj);
1084 ln.setNumLine(pn.getLine());
1086 } else if (isNode(pn, "createobject")) {
1087 TypeDescriptor td = parseTypeDescriptor(pn);
1089 Vector args = parseArgumentList(cn, md, isStaticContext, pn);
1090 boolean isglobal = pn.getChild("global") != null || pn.getChild("scratch") != null;
1091 String disjointId = null;
1092 if (pn.getChild("disjoint") != null) {
1093 disjointId = pn.getChild("disjoint").getTerminal();
1095 ParseNode idChild = (pn.getChild( "id" ));
1096 ParseNode baseChild = (pn.getChild( "base" ));
1098 CreateObjectNode con = new CreateObjectNode(td, isglobal, disjointId);
1099 if( null != idChild && null != idChild.getFirstChild() ) {
1100 idChild = idChild.getFirstChild();
1101 //System.out.println( "\nThe object passed has this expression " + idChild.PPrint( 0, true ) );
1102 ExpressionNode en = parseExpression(cn, md, isStaticContext, idChild );
1103 //System.out.println( "\nThe object passed has this expression " + en.printNode( 0 ) );
1104 con.setSurroundingExpression( en );
1106 else if( null != baseChild && null != baseChild.getFirstChild() ) {
1107 baseChild = baseChild.getFirstChild();
1108 //System.out.println( "\nThe object passed has this expression " + baseChild.PPrint( 0, true ) );
1109 ExpressionNode en = parseExpression(cn, md, isStaticContext, baseChild );
1110 //System.out.println( "\nThe object passed has this expression " + en.printNode( 0 ) );
1111 con.setSurroundingExpression( en );
1113 con.setNumLine(pn.getLine());
1114 for (int i = 0; i < args.size(); i++) {
1115 con.addArgument((ExpressionNode) args.get(i));
1117 /* Could have flag set or tag added here */
1118 if (pn.getChild("flag_list") != null || pn.getChild("tag_list") != null) {
1119 FlagEffects fe = new FlagEffects(null);
1120 if (pn.getChild("flag_list") != null)
1121 parseFlagEffect(fe, pn.getChild("flag_list"));
1123 if (pn.getChild("tag_list") != null)
1124 parseTagEffect(fe, pn.getChild("tag_list"));
1125 con.addFlagEffects(fe);
1129 } else if (isNode(pn,"createobjectcls")) {
1130 TypeDescriptor td=parseTypeDescriptor(pn);
1132 ClassDescriptor cnnew=new ClassDescriptor(packageName,td.getSymbol()+"$"+innerCount, false);
1134 cnnew.setImports(mandatoryImports, multiimports);
1135 cnnew.setSuper(td.getSymbol());
1137 // the inline anonymous class does not have modifiers, it cannot be static
1138 // it is always implicit final
1139 cnnew.setModifiers(new Modifiers(Modifiers.FINAL));
1140 cnnew.setAsInnerClass();
1141 cnnew.setSurroundingClass(cn.getSymbol());
1142 cnnew.setSurrounding(cn);
1143 cn.addInnerClass(cnnew);
1144 // Note that if the inner class is declared in a static context, it does NOT
1145 // have lexically enclosing instances.
1146 if((null!=md)&&(md.isStatic()||md.isStaticBlock())) {
1147 cnnew.setSurroundingBlock(md);
1148 cnnew.setInStaticContext();
1149 } else if (isStaticContext) {
1150 cnnew.setInStaticContext();
1152 parseClassBody(cnnew, pn.getChild("decl").getChild("classbody"));
1153 boolean hasConstructor = false;
1154 for(Iterator method_it=cnnew.getMethods(); method_it.hasNext(); ) {
1155 MethodDescriptor cmd=(MethodDescriptor)method_it.next();
1156 hasConstructor |= cmd.isConstructor();
1158 if(hasConstructor) {
1159 // anonymous class should not have explicit constructors
1160 throw new Error("Error! Anonymous class " + cnnew.getSymbol() + " in " + cn.getSymbol() + " has explicit constructors!");
1161 } else if(!cnnew.isEnum()) {
1162 // add a default constructor for this class
1163 MethodDescriptor cmd = new MethodDescriptor(new Modifiers(Modifiers.PUBLIC|Modifiers.FINAL),cnnew.getSymbol(), false);
1164 BlockNode bn=new BlockNode();
1165 state.addTreeCode(cmd,bn);
1166 cmd.setDefaultConstructor();
1167 cnnew.addMethod(cmd);
1169 TypeDescriptor tdnew=state.getTypeDescriptor(cnnew.getSymbol());
1171 Vector args=parseArgumentList(cn, md, isStaticContext, pn);
1172 ParseNode idChild = pn.getChild( "id" );
1173 ParseNode baseChild = pn.getChild( "base" );
1174 //System.out.println("\n to print idchild and basechild for ");
1175 /*if( null != idChild )
1176 System.out.println( "\n trying to create an inner class and the id child passed is " + idChild.PPrint( 0, true ) );
1177 if( null != baseChild )
1178 System.out.println( "\n trying to create an inner class and the base child passed is " + baseChild.PPrint( 0, true ) );*/
1179 CreateObjectNode con=new CreateObjectNode(tdnew, false, null);
1180 con.setNumLine(pn.getLine());
1181 for(int i=0; i<args.size(); i++) {
1182 con.addArgument((ExpressionNode)args.get(i));
1186 if (analyzeset != null)
1187 analyzeset.add(cnnew);
1188 cnnew.setSourceFileName(currsourcefile);
1189 state.addClass(cnnew);
1192 } else if (isNode(pn,"createarray")) {
1193 //System.out.println(pn.PPrint(3,true));
1194 boolean isglobal=pn.getChild("global")!=null||
1195 pn.getChild("scratch")!=null;
1196 String disjointId=null;
1197 if( pn.getChild("disjoint") != null) {
1198 disjointId = pn.getChild("disjoint").getTerminal();
1200 TypeDescriptor td=parseTypeDescriptor(pn);
1201 Vector args=parseDimExprs(cn, md, isStaticContext, pn);
1203 if (pn.getChild("dims_opt").getLiteral()!=null)
1204 num=((Integer)pn.getChild("dims_opt").getLiteral()).intValue();
1205 for(int i=0; i<(args.size()+num); i++)
1206 td=td.makeArray(state);
1207 CreateObjectNode con=new CreateObjectNode(td, isglobal, disjointId);
1208 con.setNumLine(pn.getLine());
1209 for(int i=0; i<args.size(); i++) {
1210 con.addArgument((ExpressionNode)args.get(i));
1214 if (isNode(pn,"createarray2")) {
1215 TypeDescriptor td=parseTypeDescriptor(pn);
1217 if (pn.getChild("dims_opt").getLiteral()!=null)
1218 num=((Integer)pn.getChild("dims_opt").getLiteral()).intValue();
1219 for(int i=0; i<num; i++)
1220 td=td.makeArray(state);
1221 CreateObjectNode con=new CreateObjectNode(td, false, null);
1222 con.setNumLine(pn.getLine());
1223 ParseNode ipn = pn.getChild("initializer");
1224 Vector initializers=parseVariableInitializerList(cn, md, isStaticContext, ipn);
1225 ArrayInitializerNode ain = new ArrayInitializerNode(initializers);
1226 ain.setNumLine(pn.getLine());
1227 con.addArrayInitializer(ain);
1229 } else if (isNode(pn,"name")) {
1230 NameDescriptor nd=parseName(pn);
1231 NameNode nn=new NameNode(nd);
1232 nn.setNumLine(pn.getLine());
1234 } else if (isNode(pn,"this")) {
1235 NameDescriptor nd=new NameDescriptor("this");
1236 NameNode nn=new NameNode(nd);
1237 nn.setNumLine(pn.getLine());
1239 } else if (isNode(pn,"parentclass")) {
1240 NameDescriptor nd=new NameDescriptor(pn.getChild("name").getFirstChild().getFirstChild().getTerminal());
1241 NameNode nn=new NameNode(nd);
1242 nn.setNumLine(pn.getLine());
1243 //because inner classes pass right thru......
1244 FieldAccessNode fan=new FieldAccessNode(nn,"this");
1245 fan.setNumLine(pn.getLine());
1247 } else if (isNode(pn,"isavailable")) {
1248 NameDescriptor nd=new NameDescriptor(pn.getTerminal());
1249 NameNode nn=new NameNode(nd);
1250 nn.setNumLine(pn.getLine());
1251 return new OpNode(nn,null,new Operation(Operation.ISAVAILABLE));
1252 } else if (isNode(pn,"methodinvoke1")) {
1253 NameDescriptor nd=parseName(pn.getChild("name"));
1254 Vector args=parseArgumentList(cn, md, isStaticContext, pn);
1255 MethodInvokeNode min=new MethodInvokeNode(nd);
1256 min.setNumLine(pn.getLine());
1257 for(int i=0; i<args.size(); i++) {
1258 min.addArgument((ExpressionNode)args.get(i));
1261 } else if (isNode(pn,"methodinvoke2")) {
1262 String methodid=pn.getChild("id").getTerminal();
1263 ExpressionNode exp=parseExpression(cn, md, isStaticContext, pn.getChild("base").getFirstChild());
1264 Vector args=parseArgumentList(cn, md, isStaticContext, pn);
1265 MethodInvokeNode min=new MethodInvokeNode(methodid,exp);
1266 min.setNumLine(pn.getLine());
1267 for(int i=0; i<args.size(); i++) {
1268 min.addArgument((ExpressionNode)args.get(i));
1271 } else if (isNode(pn,"fieldaccess")) {
1272 ExpressionNode en=parseExpression(cn, md, isStaticContext, pn.getChild("base").getFirstChild());
1273 String fieldname=pn.getChild("field").getTerminal();
1275 FieldAccessNode fan=new FieldAccessNode(en,fieldname);
1276 fan.setNumLine(pn.getLine());
1278 } else if (isNode(pn,"superfieldaccess")) {
1279 ExpressionNode en=new NameNode(new NameDescriptor("super"));
1280 String fieldname=pn.getChild("field").getTerminal();
1282 FieldAccessNode fan=new FieldAccessNode(en,fieldname);
1283 fan.setNumLine(pn.getLine());
1285 } else if (isNode(pn,"supernamefieldaccess")) {
1286 ExpressionNode en=parseExpression(cn, md, isStaticContext, pn.getChild("base").getFirstChild());
1287 ExpressionNode exp = new FieldAccessNode(en, "super");
1288 exp.setNumLine(pn.getLine());
1289 String fieldname=pn.getChild("field").getTerminal();
1291 FieldAccessNode fan=new FieldAccessNode(exp,fieldname);
1292 fan.setNumLine(pn.getLine());
1294 } else if (isNode(pn,"arrayaccess")) {
1295 ExpressionNode en=parseExpression(cn, md, isStaticContext, pn.getChild("base").getFirstChild());
1296 ExpressionNode index=parseExpression(cn, md, isStaticContext, pn.getChild("index").getFirstChild());
1297 ArrayAccessNode aan=new ArrayAccessNode(en,index);
1298 aan.setNumLine(pn.getLine());
1300 } else if (isNode(pn,"cast1")) {
1302 CastNode castn=new CastNode(parseTypeDescriptor(pn.getChild("type")),parseExpression(cn, md, isStaticContext, pn.getChild("exp").getFirstChild()));
1303 castn.setNumLine(pn.getLine());
1305 } catch (Exception e) {
1306 System.out.println(pn.PPrint(1,true));
1307 e.printStackTrace();
1310 } else if (isNode(pn,"cast2")) {
1311 CastNode castn=new CastNode(parseExpression(cn, md, isStaticContext, pn.getChild("type").getFirstChild()),parseExpression(cn, md, isStaticContext, pn.getChild("exp").getFirstChild()));
1312 castn.setNumLine(pn.getLine());
1314 } else if (isNode(pn, "getoffset")) {
1315 TypeDescriptor td=parseTypeDescriptor(pn);
1316 String fieldname = pn.getChild("field").getTerminal();
1317 //System.out.println("Checking the values of: "+ " td.toString()= " + td.toString()+ " fieldname= " + fieldname);
1318 return new OffsetNode(td, fieldname);
1319 } else if (isNode(pn, "tert")) {
1321 TertiaryNode tn=new TertiaryNode(parseExpression(cn, md, isStaticContext, pn.getChild("cond").getFirstChild()),
1322 parseExpression(cn, md, isStaticContext, pn.getChild("trueexpr").getFirstChild()),
1323 parseExpression(cn, md, isStaticContext, pn.getChild("falseexpr").getFirstChild()) );
1324 tn.setNumLine(pn.getLine());
1327 } else if (isNode(pn, "instanceof")) {
1328 ExpressionNode exp=parseExpression(cn, md, isStaticContext, pn.getChild("exp").getFirstChild());
1329 TypeDescriptor t=parseTypeDescriptor(pn);
1330 InstanceOfNode ion=new InstanceOfNode(exp,t);
1331 ion.setNumLine(pn.getLine());
1333 } else if (isNode(pn, "array_initializer")) {
1334 Vector initializers=parseVariableInitializerList(cn, md, isStaticContext, pn);
1335 return new ArrayInitializerNode(initializers);
1336 } else if (isNode(pn, "class_type")) {
1337 TypeDescriptor td=parseTypeDescriptor(pn);
1338 ClassTypeNode ctn=new ClassTypeNode(td);
1339 ctn.setNumLine(pn.getLine());
1341 } else if (isNode(pn, "empty")) {
1344 System.out.println("---------------------");
1345 System.out.println(pn.PPrint(3,true));
1350 private Vector parseDimExprs(ClassDescriptor cn, MethodDescriptor md, boolean isStaticContext, ParseNode pn) {
1351 Vector arglist=new Vector();
1352 ParseNode an=pn.getChild("dim_exprs");
1353 if (an==null) /* No argument list */
1355 ParseNodeVector anv=an.getChildren();
1356 for(int i=0; i<anv.size(); i++) {
1357 arglist.add(parseExpression(cn, md, isStaticContext, anv.elementAt(i)));
1362 private Vector parseArgumentList(ClassDescriptor cn, MethodDescriptor md, boolean isStaticContext, ParseNode pn) {
1363 Vector arglist=new Vector();
1364 ParseNode an=pn.getChild("argument_list");
1365 if (an==null) /* No argument list */
1367 ParseNodeVector anv=an.getChildren();
1368 for(int i=0; i<anv.size(); i++) {
1369 arglist.add(parseExpression(cn, md, isStaticContext, anv.elementAt(i)));
1374 private Vector[] parseConsArgumentList(ParseNode pn) {
1375 Vector arglist=new Vector();
1376 Vector varlist=new Vector();
1377 ParseNode an=pn.getChild("cons_argument_list");
1378 if (an==null) /* No argument list */
1379 return new Vector[] {varlist, arglist};
1380 ParseNodeVector anv=an.getChildren();
1381 for(int i=0; i<anv.size(); i++) {
1382 ParseNode cpn=anv.elementAt(i);
1383 ParseNode var=cpn.getChild("var");
1384 ParseNode exp=cpn.getChild("exp").getFirstChild();
1385 varlist.add(var.getTerminal());
1386 arglist.add(parseExpression(null, null, false, exp));
1388 return new Vector[] {varlist, arglist};
1391 private Vector parseVariableInitializerList(ClassDescriptor cn, MethodDescriptor md, boolean isStaticContext, ParseNode pn) {
1392 Vector varInitList=new Vector();
1393 ParseNode vin=pn.getChild("var_init_list");
1394 if (vin==null) /* No argument list */
1396 ParseNodeVector vinv=vin.getChildren();
1397 for(int i=0; i<vinv.size(); i++) {
1398 varInitList.add(parseExpression(cn, md, isStaticContext, vinv.elementAt(i)));
1403 private ExpressionNode parseAssignmentExpression(ClassDescriptor cn, MethodDescriptor md, boolean isStaticContext, ParseNode pn) {
1404 AssignOperation ao=new AssignOperation(pn.getChild("op").getTerminal());
1405 ParseNodeVector pnv=pn.getChild("args").getChildren();
1407 AssignmentNode an=new AssignmentNode(parseExpression(cn, md, isStaticContext, pnv.elementAt(0)),parseExpression(cn, md, isStaticContext, pnv.elementAt(1)),ao);
1408 an.setNumLine(pn.getLine());
1413 private void parseMethodDecl(ClassDescriptor cn, ParseNode pn) {
1414 ParseNode headern=pn.getChild("method_header");
1415 ParseNode bodyn=pn.getChild("body");
1416 MethodDescriptor md=parseMethodHeader(headern);
1418 BlockNode bn=parseBlock(cn, md, md.isStatic()||md.isStaticBlock(), bodyn);
1419 bn.setNumLine(pn.getLine()); // assume that method header is located at the beginning of method body
1421 state.addTreeCode(md,bn);
1423 // this is a hack for investigating new language features
1424 // at the AST level, someday should evolve into a nice compiler
1426 //if( cn.getSymbol().equals( ***put a class in here like: "Test" ) &&
1427 // md.getSymbol().equals( ***put your method in here like: "main" )
1429 // bn.setStyle( BlockNode.NORMAL );
1430 // System.out.println( bn.printNode( 0 ) );
1433 } catch (Exception e) {
1434 System.out.println("Error with method:"+md.getSymbol());
1435 e.printStackTrace();
1438 System.out.println("Error with method:"+md.getSymbol());
1439 e.printStackTrace();
1444 private void parseConstructorDecl(ClassDescriptor cn, ParseNode pn) {
1445 ParseNode mn=pn.getChild("modifiers");
1446 Modifiers m=parseModifiersList(mn);
1447 ParseNode cdecl=pn.getChild("constructor_declarator");
1448 boolean isglobal=cdecl.getChild("global")!=null;
1449 String name=resolveName(cn.getSymbol());
1450 MethodDescriptor md=new MethodDescriptor(m, name, isglobal);
1451 ParseNode paramnode=cdecl.getChild("parameters");
1452 parseParameterList(md,paramnode);
1453 ParseNode bodyn0=pn.getChild("body");
1454 ParseNode bodyn=bodyn0.getChild("constructor_body");
1457 if (bodyn!=null&&bodyn.getChild("block_statement_list")!=null)
1458 bn=parseBlock(cn, md, md.isStatic()||md.isStaticBlock(), bodyn);
1461 if (bodyn!=null&&bodyn.getChild("superinvoke")!=null) {
1462 ParseNode sin=bodyn.getChild("superinvoke");
1463 NameDescriptor nd=new NameDescriptor("super");
1464 Vector args=parseArgumentList(cn, md, true, sin);
1465 MethodInvokeNode min=new MethodInvokeNode(nd);
1466 min.setNumLine(sin.getLine());
1467 for(int i=0; i<args.size(); i++) {
1468 min.addArgument((ExpressionNode)args.get(i));
1470 BlockExpressionNode ben=new BlockExpressionNode(min);
1471 bn.addFirstBlockStatement(ben);
1473 } else if (bodyn!=null&&bodyn.getChild("explconstrinv")!=null) {
1474 ParseNode eci=bodyn.getChild("explconstrinv");
1475 NameDescriptor nd=new NameDescriptor(cn.getSymbol());
1476 Vector args=parseArgumentList(cn, md, true, eci);
1477 MethodInvokeNode min=new MethodInvokeNode(nd);
1478 min.setNumLine(eci.getLine());
1479 for(int i=0; i<args.size(); i++) {
1480 min.addArgument((ExpressionNode)args.get(i));
1482 BlockExpressionNode ben=new BlockExpressionNode(min);
1483 ben.setNumLine(eci.getLine());
1484 bn.addFirstBlockStatement(ben);
1486 state.addTreeCode(md,bn);
1489 private void parseStaticBlockDecl(ClassDescriptor cn, ParseNode pn) {
1490 // Each class maintains one MethodDecscriptor which combines all its
1491 // static blocks in their declaration order
1492 boolean isfirst = false;
1493 MethodDescriptor md = (MethodDescriptor)cn.getMethodTable().getFromSameScope("staticblocks");
1495 // the first static block for this class
1496 Modifiers m_i=new Modifiers();
1497 m_i.addModifier(Modifiers.STATIC);
1498 md = new MethodDescriptor(m_i, "staticblocks", false);
1499 md.setAsStaticBlock();
1502 ParseNode bodyn=pn.getChild("body");
1506 cn.incStaticBlocks();
1508 if (bodyn!=null&&bodyn.getChild("block_statement_list")!=null)
1509 bn=parseBlock(cn, md, true, bodyn);
1513 state.addTreeCode(md,bn);
1515 BlockNode obn = state.getMethodBody(md);
1516 for(int i = 0; i < bn.size(); i++) {
1517 BlockStatementNode bsn = bn.get(i);
1518 obn.addBlockStatement(bsn);
1520 state.addTreeCode(md, obn);
1525 public BlockNode parseBlock(ClassDescriptor cn, MethodDescriptor md, boolean isStaticContext, ParseNode pn) {
1526 this.m_taskexitnum = 0;
1527 if (pn==null||isEmpty(pn.getTerminal()))
1528 return new BlockNode();
1529 ParseNode bsn=pn.getChild("block_statement_list");
1530 return parseBlockHelper(cn, md, isStaticContext, bsn);
1533 private BlockNode parseBlockHelper(ClassDescriptor cn, MethodDescriptor md, boolean isStaticContext, ParseNode pn) {
1534 ParseNodeVector pnv=pn.getChildren();
1535 BlockNode bn=new BlockNode();
1536 for(int i=0; i<pnv.size(); i++) {
1537 Vector bsv=parseBlockStatement(cn, md, isStaticContext, pnv.elementAt(i));
1538 for(int j=0; j<bsv.size(); j++) {
1539 bn.addBlockStatement((BlockStatementNode)bsv.get(j));
1545 public BlockNode parseSingleBlock(ClassDescriptor cn, MethodDescriptor md, boolean isStaticContext, ParseNode pn, String label){
1546 BlockNode bn=new BlockNode();
1547 Vector bsv=parseBlockStatement(cn, md, isStaticContext, pn,label);
1548 for(int j=0; j<bsv.size(); j++) {
1549 bn.addBlockStatement((BlockStatementNode)bsv.get(j));
1551 bn.setStyle(BlockNode.NOBRACES);
1555 public BlockNode parseSingleBlock(ClassDescriptor cn, MethodDescriptor md, boolean isStaticContext, ParseNode pn) {
1556 return parseSingleBlock(cn, md, isStaticContext, pn, null);
1559 public Vector parseSESEBlock(ClassDescriptor cn, MethodDescriptor md, boolean isStaticContext, Vector parentbs, ParseNode pn) {
1560 ParseNodeVector pnv=pn.getChildren();
1561 Vector bv=new Vector();
1562 for(int i=0; i<pnv.size(); i++) {
1563 bv.addAll(parseBlockStatement(cn, md, isStaticContext, pnv.elementAt(i)));
1568 public Vector parseBlockStatement(ClassDescriptor cn, MethodDescriptor md, boolean isStaticContext, ParseNode pn){
1569 return parseBlockStatement(cn, md, isStaticContext, pn,null);
1572 public Vector parseBlockStatement(ClassDescriptor cn, MethodDescriptor md, boolean isStaticContext, ParseNode pn, String label) {
1573 Vector blockstatements=new Vector();
1574 if (isNode(pn,"tag_declaration")) {
1575 String name=pn.getChild("single").getTerminal();
1576 String type=pn.getChild("type").getTerminal();
1578 TagDeclarationNode tdn=new TagDeclarationNode(name, type);
1579 tdn.setNumLine(pn.getLine());
1581 blockstatements.add(tdn);
1582 } else if (isNode(pn,"local_variable_declaration")) {
1584 TypeDescriptor t=parseTypeDescriptor(pn);
1585 ParseNode vn=pn.getChild("variable_declarators_list");
1586 ParseNodeVector pnv=vn.getChildren();
1587 for(int i=0; i<pnv.size(); i++) {
1588 ParseNode vardecl=pnv.elementAt(i);
1591 ParseNode tmp=vardecl;
1592 TypeDescriptor arrayt=t;
1594 while (tmp.getChild("single")==null) {
1595 arrayt=arrayt.makeArray(state);
1596 tmp=tmp.getChild("array");
1598 String identifier=tmp.getChild("single").getTerminal();
1600 ParseNode epn=vardecl.getChild("initializer");
1603 ExpressionNode en=null;
1605 en=parseExpression(cn, md, isStaticContext, epn.getFirstChild());
1607 DeclarationNode dn=new DeclarationNode(new VarDescriptor(arrayt, identifier),en);
1608 dn.setNumLine(tmp.getLine());
1610 ParseNode mn=pn.getChild("modifiers");
1612 // here, modifers parse node has the list of annotations
1613 Modifiers m=parseModifiersList(mn);
1614 assignAnnotationsToType(m, arrayt);
1617 blockstatements.add(dn);
1619 } else if (isNode(pn,"nop")) {
1621 } else if (isNode(pn,"expression")) {
1622 BlockExpressionNode ben=new BlockExpressionNode(parseExpression(cn, md, isStaticContext, pn.getFirstChild()));
1623 ben.setNumLine(pn.getLine());
1624 blockstatements.add(ben);
1625 } else if (isNode(pn,"ifstatement")) {
1626 IfStatementNode isn=new IfStatementNode(parseExpression(cn, md, isStaticContext, pn.getChild("condition").getFirstChild()),
1627 parseSingleBlock(cn, md, isStaticContext, pn.getChild("statement").getFirstChild()),
1628 pn.getChild("else_statement")!=null?parseSingleBlock(cn, md, isStaticContext, pn.getChild("else_statement").getFirstChild()):null);
1629 isn.setNumLine(pn.getLine());
1631 blockstatements.add(isn);
1632 } else if (isNode(pn,"switch_statement")) {
1633 // TODO add version for normal Java later
1634 SwitchStatementNode ssn=new SwitchStatementNode(parseExpression(cn, md, isStaticContext, pn.getChild("condition").getFirstChild()),
1635 parseSingleBlock(cn, md, isStaticContext, pn.getChild("statement").getFirstChild()));
1636 ssn.setNumLine(pn.getLine());
1637 blockstatements.add(ssn);
1638 } else if (isNode(pn,"switch_block_list")) {
1639 // TODO add version for normal Java later
1640 ParseNodeVector pnv=pn.getChildren();
1641 for(int i=0; i<pnv.size(); i++) {
1642 ParseNode sblockdecl=pnv.elementAt(i);
1644 if(isNode(sblockdecl, "switch_block")) {
1645 ParseNode lpn=sblockdecl.getChild("switch_labels").getChild("switch_label_list");
1646 ParseNodeVector labelv=lpn.getChildren();
1647 Vector<SwitchLabelNode> slv = new Vector<SwitchLabelNode>();
1648 for(int j=0; j<labelv.size(); j++) {
1649 ParseNode labeldecl=labelv.elementAt(j);
1650 if(isNode(labeldecl, "switch_label")) {
1651 SwitchLabelNode sln=new SwitchLabelNode(parseExpression(cn, md, isStaticContext, labeldecl.getChild("constant_expression").getFirstChild()), false);
1652 sln.setNumLine(labeldecl.getLine());
1653 slv.addElement(sln);
1654 } else if(isNode(labeldecl, "default_switch_label")) {
1655 SwitchLabelNode sln=new SwitchLabelNode(null, true);
1656 sln.setNumLine(labeldecl.getLine());
1657 slv.addElement(sln);
1661 SwitchBlockNode sbn=new SwitchBlockNode(slv,
1662 parseSingleBlock(cn, md, isStaticContext, sblockdecl.getChild("switch_statements").getFirstChild()));
1663 sbn.setNumLine(sblockdecl.getLine());
1665 blockstatements.add(sbn);
1669 } else if (isNode(pn, "trycatchstatement")) {
1670 // TODO add version for normal Java later
1671 // Do not fully support exceptions now. Only make sure that if there are no
1672 // exceptions thrown, the execution is right
1673 ParseNode tpn = pn.getChild("tryblock").getFirstChild();
1674 BlockNode bn=parseBlockHelper(cn, md, isStaticContext, tpn);
1675 blockstatements.add(new SubBlockNode(bn));
1677 ParseNode fbk = pn.getChild("finallyblock");
1679 ParseNode fpn = fbk.getFirstChild();
1680 BlockNode fbn=parseBlockHelper(cn, md, isStaticContext, fpn);
1681 blockstatements.add(new SubBlockNode(fbn));
1683 } else if (isNode(pn, "throwstatement")) {
1684 // TODO Simply return here
1685 //blockstatements.add(new ReturnNode());
1686 } else if (isNode(pn,"taskexit")) {
1688 if (pn.getChild("flag_effects_list")!=null)
1689 vfe=parseFlags(pn.getChild("flag_effects_list"));
1691 if (pn.getChild("cons_checks")!=null)
1692 ccs=parseChecks(pn.getChild("cons_checks"));
1693 TaskExitNode ten=new TaskExitNode(vfe, ccs, this.m_taskexitnum++);
1694 ten.setNumLine(pn.getLine());
1695 blockstatements.add(ten);
1696 } else if (isNode(pn,"atomic")) {
1697 BlockNode bn=parseBlockHelper(cn, md, isStaticContext, pn);
1698 AtomicNode an=new AtomicNode(bn);
1699 an.setNumLine(pn.getLine());
1700 blockstatements.add(an);
1701 } else if (isNode(pn,"synchronized")) {
1702 BlockNode bn=parseBlockHelper(cn, md, isStaticContext, pn.getChild("block"));
1703 ExpressionNode en=parseExpression(cn, md, isStaticContext, pn.getChild("expr").getFirstChild());
1704 SynchronizedNode sn=new SynchronizedNode(en, bn);
1705 sn.setNumLine(pn.getLine());
1706 blockstatements.add(sn);
1707 } else if (isNode(pn,"return")) {
1708 if (isEmpty(pn.getTerminal()))
1709 blockstatements.add(new ReturnNode());
1711 ExpressionNode en=parseExpression(cn, md, isStaticContext, pn.getFirstChild());
1712 ReturnNode rn=new ReturnNode(en);
1713 rn.setNumLine(pn.getLine());
1714 blockstatements.add(rn);
1716 } else if (isNode(pn,"block_statement_list")) {
1717 BlockNode bn=parseBlockHelper(cn, md, isStaticContext, pn);
1718 blockstatements.add(new SubBlockNode(bn));
1719 } else if (isNode(pn,"empty")) {
1721 } else if (isNode(pn,"statement_expression_list")) {
1722 ParseNodeVector pnv=pn.getChildren();
1723 BlockNode bn=new BlockNode();
1724 for(int i=0; i<pnv.size(); i++) {
1725 ExpressionNode en=parseExpression(cn, md, isStaticContext, pnv.elementAt(i));
1726 blockstatements.add(new BlockExpressionNode(en));
1728 bn.setStyle(BlockNode.EXPRLIST);
1729 } else if (isNode(pn,"forstatement")) {
1730 BlockNode init=parseSingleBlock(cn, md, isStaticContext, pn.getChild("initializer").getFirstChild());
1731 BlockNode update=parseSingleBlock(cn, md, isStaticContext, pn.getChild("update").getFirstChild());
1732 ExpressionNode condition=parseExpression(cn, md, isStaticContext, pn.getChild("condition").getFirstChild());
1733 BlockNode body=parseSingleBlock(cn, md, isStaticContext, pn.getChild("statement").getFirstChild());
1734 if(condition == null) {
1735 // no condition clause, make a 'true' expression as the condition
1736 condition = (ExpressionNode) new LiteralNode("boolean", new Boolean(true));
1738 LoopNode ln=new LoopNode(init,condition,update,body,label);
1739 ln.setNumLine(pn.getLine());
1740 blockstatements.add(ln);
1741 } else if (isNode(pn,"whilestatement")) {
1742 ExpressionNode condition=parseExpression(cn, md, isStaticContext, pn.getChild("condition").getFirstChild());
1743 BlockNode body=parseSingleBlock(cn, md, isStaticContext, pn.getChild("statement").getFirstChild());
1744 if(condition == null) {
1745 // no condition clause, make a 'true' expression as the condition
1746 condition = (ExpressionNode) new LiteralNode("boolean", new Boolean(true));
1748 blockstatements.add(new LoopNode(condition,body,LoopNode.WHILELOOP,label));
1749 } else if (isNode(pn,"dowhilestatement")) {
1750 ExpressionNode condition=parseExpression(cn, md, isStaticContext, pn.getChild("condition").getFirstChild());
1751 BlockNode body=parseSingleBlock(cn, md, isStaticContext, pn.getChild("statement").getFirstChild());
1752 if(condition == null) {
1753 // no condition clause, make a 'true' expression as the condition
1754 condition = (ExpressionNode) new LiteralNode("boolean", new Boolean(true));
1756 blockstatements.add(new LoopNode(condition,body,LoopNode.DOWHILELOOP,label));
1757 } else if (isNode(pn,"sese")) {
1758 ParseNode pnID=pn.getChild("identifier");
1760 if( pnID != null ) {
1761 stID=pnID.getFirstChild().getTerminal();
1763 SESENode start=new SESENode(stID);
1764 start.setNumLine(pn.getLine());
1765 SESENode end =new SESENode(stID);
1767 end.setStart(start);
1768 blockstatements.add(start);
1769 blockstatements.addAll(parseSESEBlock(cn, md, isStaticContext, blockstatements,pn.getChild("body").getFirstChild()));
1770 blockstatements.add(end);
1771 } else if (isNode(pn,"continue")) {
1772 ContinueBreakNode cbn=new ContinueBreakNode(false);
1773 cbn.setNumLine(pn.getLine());
1774 blockstatements.add(cbn);
1775 } else if (isNode(pn,"break")) {
1776 ContinueBreakNode cbn=new ContinueBreakNode(true);
1777 cbn.setNumLine(pn.getLine());
1778 blockstatements.add(cbn);
1779 ParseNode idopt_pn=pn.getChild("identifier_opt");
1780 ParseNode name_pn=idopt_pn.getChild("name");
1781 // name_pn.getTerminal() gives you the label
1783 } else if (isNode(pn,"genreach")) {
1784 String graphName = pn.getChild("graphName").getTerminal();
1785 blockstatements.add(new GenReachNode(graphName) );
1787 } else if (isNode(pn,"gen_def_reach")) {
1788 String outputName = pn.getChild("outputName").getTerminal();
1789 blockstatements.add(new GenDefReachNode(outputName) );
1791 } else if(isNode(pn,"labeledstatement")) {
1792 String labeledstatement = pn.getChild("name").getTerminal();
1793 BlockNode bn=parseSingleBlock(cn, md, isStaticContext, pn.getChild("statement").getFirstChild(),labeledstatement);
1794 blockstatements.add(new SubBlockNode(bn));
1796 System.out.println("---------------");
1797 System.out.println(pn.PPrint(3,true));
1800 return blockstatements;
1803 public MethodDescriptor parseMethodHeader(ParseNode pn) {
1804 ParseNode mn=pn.getChild("modifiers");
1805 Modifiers m=parseModifiersList(mn);
1807 ParseNode tn=pn.getChild("returntype");
1808 TypeDescriptor returntype;
1810 returntype=parseTypeDescriptor(tn);
1812 returntype=new TypeDescriptor(TypeDescriptor.VOID);
1814 ParseNode pmd=pn.getChild("method_declarator");
1815 String name=pmd.getChild("name").getTerminal();
1816 MethodDescriptor md=new MethodDescriptor(m, returntype, name);
1818 ParseNode paramnode=pmd.getChild("parameters");
1819 parseParameterList(md,paramnode);
1823 public void parseParameterList(MethodDescriptor md, ParseNode pn) {
1824 ParseNode paramlist=pn.getChild("formal_parameter_list");
1825 if (paramlist==null)
1827 ParseNodeVector pnv=paramlist.getChildren();
1828 for(int i=0; i<pnv.size(); i++) {
1829 ParseNode paramn=pnv.elementAt(i);
1831 if (isNode(paramn, "tag_parameter")) {
1832 String paramname=paramn.getChild("single").getTerminal();
1833 TypeDescriptor type=new TypeDescriptor(TypeDescriptor.TAG);
1834 md.addTagParameter(type, paramname);
1837 TypeDescriptor type=parseTypeDescriptor(paramn);
1839 ParseNode tmp=paramn;
1840 while (tmp.getChild("single")==null) {
1841 type=type.makeArray(state);
1842 tmp=tmp.getChild("array");
1844 String paramname=tmp.getChild("single").getTerminal();
1846 md.addParameter(type, paramname);
1847 if(isNode(paramn, "annotation_parameter")) {
1848 ParseNode listnode=paramn.getChild("annotation_list");
1849 parseParameterAnnotation(listnode,type);
1856 public Modifiers parseModifiersList(ParseNode pn) {
1857 Modifiers m=new Modifiers();
1858 ParseNode modlist=pn.getChild("modifier_list");
1859 if (modlist!=null) {
1860 ParseNodeVector pnv=modlist.getChildren();
1861 for(int i=0; i<pnv.size(); i++) {
1862 ParseNode modn=pnv.elementAt(i);
1863 if (isNode(modn,"public"))
1864 m.addModifier(Modifiers.PUBLIC);
1865 else if (isNode(modn,"protected"))
1866 m.addModifier(Modifiers.PROTECTED);
1867 else if (isNode(modn,"private"))
1868 m.addModifier(Modifiers.PRIVATE);
1869 else if (isNode(modn,"static"))
1870 m.addModifier(Modifiers.STATIC);
1871 else if (isNode(modn,"final"))
1872 m.addModifier(Modifiers.FINAL);
1873 else if (isNode(modn,"native"))
1874 m.addModifier(Modifiers.NATIVE);
1875 else if (isNode(modn,"synchronized"))
1876 m.addModifier(Modifiers.SYNCHRONIZED);
1877 else if (isNode(modn,"atomic"))
1878 m.addModifier(Modifiers.ATOMIC);
1879 else if (isNode(modn,"abstract"))
1880 m.addModifier(Modifiers.ABSTRACT);
1881 else if (isNode(modn,"volatile"))
1882 m.addModifier(Modifiers.VOLATILE);
1883 else if (isNode(modn,"transient"))
1884 m.addModifier(Modifiers.TRANSIENT);
1885 else if(isNode(modn,"annotation_list"))
1886 parseAnnotationList(modn,m);
1888 throw new Error("Unrecognized Modifier:"+modn.getLabel());
1895 private void parseAnnotationList(ParseNode pn, Modifiers m) {
1896 ParseNodeVector pnv = pn.getChildren();
1897 for (int i = 0; i < pnv.size(); i++) {
1898 ParseNode body_list = pnv.elementAt(i);
1899 if (isNode(body_list, "annotation_body")) {
1900 ParseNode body_node = body_list.getFirstChild();
1901 if (isNode(body_node, "marker_annotation")) {
1902 m.addAnnotation(new AnnotationDescriptor(body_node.getChild("name").getTerminal()));
1903 } else if (isNode(body_node, "single_annotation")) {
1904 m.addAnnotation(new AnnotationDescriptor(body_node.getChild("name").getTerminal(),
1905 body_node.getChild("element_value").getTerminal()));
1906 } else if (isNode(body_node, "normal_annotation")) {
1907 throw new Error("Annotation with multiple data members is not supported yet.");
1913 private void parseParameterAnnotation(ParseNode pn,TypeDescriptor type) {
1914 ParseNodeVector pnv = pn.getChildren();
1915 for (int i = 0; i < pnv.size(); i++) {
1916 ParseNode body_list = pnv.elementAt(i);
1917 if (isNode(body_list, "annotation_body")) {
1918 ParseNode body_node = body_list.getFirstChild();
1919 if (isNode(body_node, "marker_annotation")) {
1920 type.addAnnotationMarker(new AnnotationDescriptor(body_node.getChild("name").getTerminal()));
1921 } else if (isNode(body_node, "single_annotation")) {
1922 type.addAnnotationMarker(new AnnotationDescriptor(body_node.getChild("name").getTerminal(),
1923 body_node.getChild("element_value").getTerminal()));
1924 } else if (isNode(body_node, "normal_annotation")) {
1925 throw new Error("Annotation with multiple data members is not supported yet.");
1931 private boolean isNode(ParseNode pn, String label) {
1932 if (pn.getLabel().equals(label))
1937 private static boolean isEmpty(ParseNode pn) {
1938 if (pn.getLabel().equals("empty"))
1944 private static boolean isEmpty(String s) {
1945 if (s.equals("empty"))
1951 /** Throw an exception if something is unexpected */
1952 private void check(ParseNode pn, String label) {
1954 throw new Error(pn+ "IE: Expected '" + label + "', got null");
1956 if (!pn.getLabel().equals(label)) {
1957 throw new Error(pn+ "IE: Expected '" + label + "', got '"+pn.getLabel()+"'");