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$n representing a final reference to the next surrounding class. each inner class should have whatever inner class
605 //pointers the surrounding class has + a pointer to the surrounding class.
608 this.isRunningRecursiveInnerClass = true; //fOR dEBUGGING PURPOSES IN ORDER TO DUMP STRINGS WHILE IN THIS CODE PATH
609 addOuterClassReferences( cn, new Vector< String >() );
610 this.isRunningRecursiveInnerClass = false;
615 //called recursively with the parent class whose reference is to be passed
616 private void addOuterClassParam( ClassDescriptor cn, int depth )
618 Iterator nullCheckItr = cn.getInnerClasses();
619 if( false == nullCheckItr.hasNext() )
622 //create a typedescriptor of type cn
623 TypeDescriptor theTypeDesc = new TypeDescriptor( cn );
625 for(Iterator it=cn.getInnerClasses(); it.hasNext(); ) {
626 ClassDescriptor icd=(ClassDescriptor)it.next();
628 //iterate over all ctors of I.Cs and add a new param
629 for(Iterator method_it=icd.getMethods(); method_it.hasNext(); ) {
630 MethodDescriptor md=(MethodDescriptor)method_it.next();
631 if( md.isConstructor() ){
632 md.addParameter( theTypeDesc, "surrounding$" + String.valueOf(depth) );
635 addOuterClassParam( icd, depth + 1 );
640 private void addOuterClassReferences( ClassDescriptor cn, Vector< String > runningClassNames )
642 //SYMBOLTABLE does not have a length or empty method, hence could not define a hasInnerClasses method in classDescriptor
643 Iterator nullCheckItr = cn.getInnerClasses();
644 if( false == nullCheckItr.hasNext() )
646 //logic: for each inner class present in current cn add this$runningIndex and recursively invoke this method on that inner class
648 //JAVA might be passing it by reference , so creating a copy for myself.
650 Vector tempCopy = new Vector< String >( runningClassNames );
651 tempCopy.add( cn.getClassName() );
653 Vector< ParseNode > vecParses = new Vector< ParseNode >();
656 for( Iterator itr = tempCopy.listIterator(); itr.hasNext() ; ++i ) {
657 ParseNode theNode = new ParseNode( "field_declaration" );
658 theNode.addChild("modifier").addChild( new ParseNode( "modifier_list" ) ).addChild("final");
659 ParseNode theTypeNode = new ParseNode("type");
660 ParseNode tempChildNode = theTypeNode.addChild("class").addChild( "name" );
661 //tempChildNode.addChild("base").addChild( new ParseNode("empty") );
662 tempChildNode.addChild("identifier").addChild ( ( String ) itr.next() );
663 theNode.addChild("type").addChild( theTypeNode );
664 ParseNode variableDeclaratorID = new ParseNode("single");
665 String theStr = "this$" + String.valueOf( i );
666 variableDeclaratorID.addChild( theStr );
667 ParseNode variableDeclarator = new ParseNode( "variable_declarator" );
668 variableDeclarator.addChild( variableDeclaratorID );
669 ParseNode variableDeclaratorList = new ParseNode("variable_declarators_list");
670 variableDeclaratorList.addChild( variableDeclarator );
671 theNode.addChild("variables").addChild( variableDeclaratorList );
674 vecParses.add( theNode );
679 for(Iterator it=cn.getInnerClasses(); it.hasNext(); ) {
680 ClassDescriptor icd=(ClassDescriptor)it.next();
681 for( Iterator vecParsesItr = vecParses.listIterator(); vecParsesItr.hasNext(); ) {
682 ParseNode theDummy = ( ParseNode ) vecParsesItr.next();
683 //System.out.println( ( theDummy ).PPrint( 0, true ) );
684 parseFieldDecl( icd, theDummy );
687 SymbolTable fieldTable = icd.getFieldTable();
688 System.out.println( fieldTable.toString() );
690 addOuterClassReferences( icd, tempCopy );
695 private void parseClassBody(ClassDescriptor cn, ParseNode pn) {
696 ParseNode decls=pn.getChild("class_body_declaration_list");
698 ParseNodeVector pnv=decls.getChildren();
699 for(int i=0; i<pnv.size(); i++) {
700 ParseNode decl=pnv.elementAt(i);
701 if (isNode(decl,"member")) {
702 parseClassMember(cn,decl);
703 } else if (isNode(decl,"constructor")) {
704 parseConstructorDecl(cn,decl.getChild("constructor_declaration"));
705 } else if (isNode(decl, "static_block")) {
706 parseStaticBlockDecl(cn, decl.getChild("static_block_declaration"));
707 } else if (isNode(decl,"block")) {
708 } else throw new Error();
713 private void parseClassMember(ClassDescriptor cn, ParseNode pn) {
714 ParseNode fieldnode=pn.getChild("field");
715 if (fieldnode!=null) {
716 //System.out.println( pn.PPrint( 0, true ) );
717 parseFieldDecl(cn,fieldnode.getChild("field_declaration"));
720 ParseNode methodnode=pn.getChild("method");
721 if (methodnode!=null) {
722 parseMethodDecl(cn,methodnode.getChild("method_declaration"));
725 ParseNode innerclassnode=pn.getChild("inner_class_declaration");
726 if (innerclassnode!=null) {
727 parseInnerClassDecl(cn,innerclassnode);
730 ParseNode innerinterfacenode=pn.getChild("interface_declaration");
731 if (innerinterfacenode!=null) {
732 parseInterfaceDecl(innerinterfacenode, cn);
736 ParseNode enumnode=pn.getChild("enum_declaration");
737 if (enumnode!=null) {
738 ClassDescriptor ecn=parseEnumDecl(cn,enumnode);
741 ParseNode flagnode=pn.getChild("flag");
742 if (flagnode!=null) {
743 parseFlagDecl(cn, flagnode.getChild("flag_declaration"));
746 // in case there are empty node
747 ParseNode emptynode=pn.getChild("empty");
748 if(emptynode != null) {
751 System.out.println("Unrecognized node:"+pn.PPrint(2,true));
755 //10/9/2011 changed this function to enable creation of default constructor for inner classes.
756 //the change was refactoring this function with the corresponding version for normal classes. sganapat
757 private ClassDescriptor parseInnerClassDecl(ClassDescriptor cn, ParseNode pn) {
758 String basename=pn.getChild("name").getTerminal();
759 String classname=cn.getClassName()+"$"+basename;
761 if (cn.getPackage()==null)
762 cn.getSingleImportMappings().put(basename,classname);
764 cn.getSingleImportMappings().put(basename,cn.getPackage()+"."+classname);
766 ClassDescriptor icn=new ClassDescriptor(cn.getPackage(), classname, false);
768 icn.setImports(mandatoryImports, multiimports);
769 icn.setAsInnerClass();
770 icn.setSurroundingClass(cn.getSymbol());
771 icn.setSurrounding(cn);
772 cn.addInnerClass(icn);
774 if (!isEmpty(pn.getChild("super").getTerminal())) {
775 /* parse superclass name */
776 ParseNode snn=pn.getChild("super").getChild("type").getChild("class").getChild("name");
777 NameDescriptor nd=parseClassName(snn);
778 icn.setSuper(nd.toString());
780 if (!(icn.getSymbol().equals(TypeUtil.ObjectClass)||
781 icn.getSymbol().equals(TypeUtil.TagClass)))
782 icn.setSuper(TypeUtil.ObjectClass);
784 // check inherited interfaces
785 if (!isEmpty(pn.getChild("superIF").getTerminal())) {
786 /* parse inherited interface name */
787 ParseNode snlist=pn.getChild("superIF").getChild("interface_type_list");
788 ParseNodeVector pnv=snlist.getChildren();
789 for(int i=0; i<pnv.size(); i++) {
790 ParseNode decl=pnv.elementAt(i);
791 if (isNode(decl,"type")) {
792 NameDescriptor nd=parseClassName(decl.getChild("class").getChild("name"));
793 icn.addSuperInterface(nd.toString());
797 icn.setModifiers(parseModifiersList(pn.getChild("modifiers")));
799 parseClassBody(icn, pn.getChild("classbody"));
801 boolean hasConstructor = false;
802 for(Iterator method_it=icn.getMethods(); method_it.hasNext(); ) {
803 MethodDescriptor md=(MethodDescriptor)method_it.next();
804 hasConstructor |= md.isConstructor();
806 //sganapat adding change to allow proper construction of inner class objects
807 if((!hasConstructor) && (!icn.isEnum())) {
808 // add a default constructor for this class
809 MethodDescriptor md = new MethodDescriptor(new Modifiers(Modifiers.PUBLIC),
810 icn.getSymbol(), false);
811 BlockNode bn=new BlockNode();
812 state.addTreeCode(md,bn);
813 md.setDefaultConstructor();
818 if (analyzeset != null)
820 icn.setSourceFileName(currsourcefile);
826 private void AddSurroundingClassParamToCtor( ClassDescriptor icn, ParseNode pn )
830 private TypeDescriptor parseTypeDescriptor(ParseNode pn) {
831 ParseNode tn=pn.getChild("type");
832 String type_st=tn.getTerminal();
833 if(type_st.equals("byte")) {
834 return state.getTypeDescriptor(TypeDescriptor.BYTE);
835 } else if(type_st.equals("short")) {
836 return state.getTypeDescriptor(TypeDescriptor.SHORT);
837 } else if(type_st.equals("boolean")) {
838 return state.getTypeDescriptor(TypeDescriptor.BOOLEAN);
839 } else if(type_st.equals("int")) {
840 return state.getTypeDescriptor(TypeDescriptor.INT);
841 } else if(type_st.equals("long")) {
842 return state.getTypeDescriptor(TypeDescriptor.LONG);
843 } else if(type_st.equals("char")) {
844 return state.getTypeDescriptor(TypeDescriptor.CHAR);
845 } else if(type_st.equals("float")) {
846 return state.getTypeDescriptor(TypeDescriptor.FLOAT);
847 } else if(type_st.equals("double")) {
848 return state.getTypeDescriptor(TypeDescriptor.DOUBLE);
849 } else if(type_st.equals("class")) {
850 ParseNode nn=tn.getChild("class");
851 return state.getTypeDescriptor(parseClassName(nn.getChild("name")));
852 } else if(type_st.equals("array")) {
853 ParseNode nn=tn.getChild("array");
854 TypeDescriptor td=parseTypeDescriptor(nn.getChild("basetype"));
855 Integer numdims=(Integer)nn.getChild("dims").getLiteral();
856 for(int i=0; i<numdims.intValue(); i++)
857 td=td.makeArray(state);
860 System.out.println(pn.PPrint(2, true));
865 //Needed to separate out top level call since if a base exists,
866 //we do not want to apply our resolveName function (i.e. deal with imports)
867 //otherwise, if base == null, we do just want to resolve name.
868 private NameDescriptor parseClassName(ParseNode nn) {
871 ParseNode base=nn.getChild("base");
872 ParseNode id=nn.getChild("identifier");
873 String classname = id.getTerminal();
875 return new NameDescriptor(resolveName(classname));
877 return new NameDescriptor(parseClassNameRecursive(base.getChild("name")),classname);
880 private NameDescriptor parseClassNameRecursive(ParseNode nn) {
881 ParseNode base=nn.getChild("base");
882 ParseNode id=nn.getChild("identifier");
883 String classname = id.getTerminal();
885 return new NameDescriptor(classname);
887 return new NameDescriptor(parseClassNameRecursive(base.getChild("name")),classname);
890 //This will get the mapping of a terminal class name
891 //to a canonical classname (with imports/package locations in them)
892 private String resolveName(String terminal) {
894 if(mandatoryImports.containsKey(terminal)) {
895 return (String) mandatoryImports.get(terminal);
897 if(multiimports.containsKey(terminal)) {
899 Object o = multiimports.get(terminal);
900 if(o instanceof Error) {
901 throw new Error("Class " + terminal + " is ambiguous. Cause: more than 1 package import contain the same class.");
903 //At this point, if we found a unique class
904 //we can treat it as a single, mandatory import.
905 mandatoryImports.put(terminal, o);
914 //only function difference between this and parseName() is that this
915 //does not look for a import mapping.
916 private NameDescriptor parseName(ParseNode nn) {
917 ParseNode base=nn.getChild("base");
918 ParseNode id=nn.getChild("identifier");
920 return new NameDescriptor(id.getTerminal());
922 return new NameDescriptor(parseName(base.getChild("name")),id.getTerminal());
925 private void parseFlagDecl(ClassDescriptor cn,ParseNode pn) {
926 String name=pn.getChild("name").getTerminal();
927 FlagDescriptor flag=new FlagDescriptor(name);
928 if (pn.getChild("external")!=null)
933 private void parseFieldDecl(ClassDescriptor cn,ParseNode pn) {
934 ParseNode mn=pn.getChild("modifier");
935 Modifiers m=parseModifiersList(mn);
936 if(cn.isInterface()) {
937 // TODO add version for normal Java later
938 // Can only be PUBLIC or STATIC or FINAL
939 if((m.isAbstract()) || (m.isAtomic()) || (m.isNative())
940 || (m.isSynchronized())) {
941 throw new Error("Error: field in Interface " + cn.getSymbol() + "can only be PUBLIC or STATIC or FINAL");
943 m.addModifier(Modifiers.PUBLIC);
944 m.addModifier(Modifiers.STATIC);
945 m.addModifier(Modifiers.FINAL);
948 ParseNode tn=pn.getChild("type");
949 TypeDescriptor t=parseTypeDescriptor(tn);
950 ParseNode vn=pn.getChild("variables").getChild("variable_declarators_list");
951 ParseNodeVector pnv=vn.getChildren();
952 boolean isglobal=pn.getChild("global")!=null;
954 for(int i=0; i<pnv.size(); i++) {
955 ParseNode vardecl=pnv.elementAt(i);
956 ParseNode tmp=vardecl;
957 TypeDescriptor arrayt=t;
958 if( this.isRunningRecursiveInnerClass && false )
960 System.out.println( "the length of the list is " + String.valueOf( pnv.size() ) );
961 System.out.println( "\n the parse node is \n" + tmp.PPrint( 0, true ) );
963 while (tmp.getChild("single")==null) {
964 arrayt=arrayt.makeArray(state);
965 tmp=tmp.getChild("array");
967 String identifier=tmp.getChild("single").getTerminal();
968 ParseNode epn=vardecl.getChild("initializer");
970 ExpressionNode en=null;
973 en=parseExpression(epn.getFirstChild());
974 en.setNumLine(epn.getFirstChild().getLine());
976 // for static field, the initializer should be considered as a
978 boolean isfirst = false;
979 MethodDescriptor md = (MethodDescriptor)cn.getMethodTable().getFromSameScope("staticblocks");
981 // the first static block for this class
982 Modifiers m_i=new Modifiers();
983 m_i.addModifier(Modifiers.STATIC);
984 md = new MethodDescriptor(m_i, "staticblocks", false);
985 md.setAsStaticBlock();
991 cn.incStaticBlocks();
992 BlockNode bn=new BlockNode();
993 NameNode nn=new NameNode(new NameDescriptor(identifier));
994 nn.setNumLine(en.getNumLine());
995 AssignmentNode an=new AssignmentNode(nn,en,new AssignOperation(1));
996 an.setNumLine(pn.getLine());
997 bn.addBlockStatement(new BlockExpressionNode(an));
999 state.addTreeCode(md,bn);
1001 BlockNode obn = state.getMethodBody(md);
1002 for(int ii = 0; ii < bn.size(); ii++) {
1003 BlockStatementNode bsn = bn.get(ii);
1004 obn.addBlockStatement(bsn);
1006 state.addTreeCode(md, obn);
1013 cn.addField(new FieldDescriptor(m, arrayt, identifier, en, isglobal));
1014 assignAnnotationsToType(m,arrayt);
1018 private void assignAnnotationsToType(Modifiers modifiers, TypeDescriptor type) {
1019 Vector<AnnotationDescriptor> annotations=modifiers.getAnnotations();
1020 for(int i=0; i<annotations.size(); i++) {
1021 // it only supports a marker annotation
1022 AnnotationDescriptor an=annotations.elementAt(i);
1023 type.addAnnotationMarker(an);
1029 private ExpressionNode parseExpression(ParseNode pn) {
1030 if (isNode(pn,"assignment"))
1032 //System.out.println( "parsing a field decl in my class that has assignment in initialization " + pn.PPrint( 0, true ) + "\n");
1033 return parseAssignmentExpression(pn);
1035 else if (isNode(pn,"logical_or")||isNode(pn,"logical_and")||
1036 isNode(pn,"bitwise_or")||isNode(pn,"bitwise_xor")||
1037 isNode(pn,"bitwise_and")||isNode(pn,"equal")||
1038 isNode(pn,"not_equal")||isNode(pn,"comp_lt")||
1039 isNode(pn,"comp_lte")||isNode(pn,"comp_gt")||
1040 isNode(pn,"comp_gte")||isNode(pn,"leftshift")||
1041 isNode(pn,"rightshift")||isNode(pn,"sub")||
1042 isNode(pn,"urightshift")||isNode(pn,"sub")||
1043 isNode(pn,"add")||isNode(pn,"mult")||
1044 isNode(pn,"div")||isNode(pn,"mod")) {
1045 ParseNodeVector pnv=pn.getChildren();
1046 ParseNode left=pnv.elementAt(0);
1047 ParseNode right=pnv.elementAt(1);
1048 Operation op=new Operation(pn.getLabel());
1049 OpNode on=new OpNode(parseExpression(left),parseExpression(right),op);
1050 on.setNumLine(pn.getLine());
1052 } else if (isNode(pn,"unaryplus")||
1053 isNode(pn,"unaryminus")||
1055 isNode(pn,"comp")) {
1056 ParseNode left=pn.getFirstChild();
1057 Operation op=new Operation(pn.getLabel());
1058 OpNode on=new OpNode(parseExpression(left),op);
1059 on.setNumLine(pn.getLine());
1061 } else if (isNode(pn,"postinc")||
1062 isNode(pn,"postdec")) {
1063 ParseNode left=pn.getFirstChild();
1064 AssignOperation op=new AssignOperation(pn.getLabel());
1065 AssignmentNode an=new AssignmentNode(parseExpression(left),null,op);
1066 an.setNumLine(pn.getLine());
1069 } else if (isNode(pn,"preinc")||
1070 isNode(pn,"predec")) {
1071 ParseNode left=pn.getFirstChild();
1072 AssignOperation op=isNode(pn,"preinc")?new AssignOperation(AssignOperation.PLUSEQ):new AssignOperation(AssignOperation.MINUSEQ);
1073 AssignmentNode an=new AssignmentNode(parseExpression(left),
1074 new LiteralNode("integer",new Integer(1)),op);
1075 an.setNumLine(pn.getLine());
1077 } else if (isNode(pn,"literal")) {
1078 String literaltype=pn.getTerminal();
1079 ParseNode literalnode=pn.getChild(literaltype);
1080 Object literal_obj=literalnode.getLiteral();
1081 LiteralNode ln=new LiteralNode(literaltype, literal_obj);
1082 ln.setNumLine(pn.getLine());
1084 } else if (isNode(pn, "createobject")) {
1085 TypeDescriptor td = parseTypeDescriptor(pn);
1087 Vector args = parseArgumentList(pn);
1088 boolean isglobal = pn.getChild("global") != null || pn.getChild("scratch") != null;
1089 String disjointId = null;
1090 if (pn.getChild("disjoint") != null) {
1091 disjointId = pn.getChild("disjoint").getTerminal();
1093 CreateObjectNode con = new CreateObjectNode(td, isglobal, disjointId);
1094 con.setNumLine(pn.getLine());
1095 for (int i = 0; i < args.size(); i++) {
1096 con.addArgument((ExpressionNode) args.get(i));
1098 /* Could have flag set or tag added here */
1099 if (pn.getChild("flag_list") != null || pn.getChild("tag_list") != null) {
1100 FlagEffects fe = new FlagEffects(null);
1101 if (pn.getChild("flag_list") != null)
1102 parseFlagEffect(fe, pn.getChild("flag_list"));
1104 if (pn.getChild("tag_list") != null)
1105 parseTagEffect(fe, pn.getChild("tag_list"));
1106 con.addFlagEffects(fe);
1110 } else if (isNode(pn,"createobjectcls")) {
1111 //TODO::: FIX BUG!!! static fields in caller context need to become parameters
1112 //TODO::: caller context need to be passed in here
1113 TypeDescriptor td=parseTypeDescriptor(pn);
1115 ClassDescriptor cnnew=new ClassDescriptor(packageName,td.getSymbol()+"$"+innerCount, false);
1117 cnnew.setImports(mandatoryImports, multiimports);
1118 cnnew.setSuper(td.getSymbol());
1120 parseClassBody(cnnew, pn.getChild("decl").getChild("classbody"));
1121 TypeDescriptor tdnew=state.getTypeDescriptor(cnnew.getSymbol());
1123 Vector args=parseArgumentList(pn);
1125 CreateObjectNode con=new CreateObjectNode(tdnew, false, null);
1126 con.setNumLine(pn.getLine());
1127 for(int i=0; i<args.size(); i++) {
1128 con.addArgument((ExpressionNode)args.get(i));
1132 if (analyzeset != null)
1133 analyzeset.add(cnnew);
1134 cnnew.setSourceFileName(currsourcefile);
1135 state.addClass(cnnew);
1138 } else if (isNode(pn,"createarray")) {
1139 //System.out.println(pn.PPrint(3,true));
1140 boolean isglobal=pn.getChild("global")!=null||
1141 pn.getChild("scratch")!=null;
1142 String disjointId=null;
1143 if( pn.getChild("disjoint") != null) {
1144 disjointId = pn.getChild("disjoint").getTerminal();
1146 TypeDescriptor td=parseTypeDescriptor(pn);
1147 Vector args=parseDimExprs(pn);
1149 if (pn.getChild("dims_opt").getLiteral()!=null)
1150 num=((Integer)pn.getChild("dims_opt").getLiteral()).intValue();
1151 for(int i=0; i<(args.size()+num); i++)
1152 td=td.makeArray(state);
1153 CreateObjectNode con=new CreateObjectNode(td, isglobal, disjointId);
1154 con.setNumLine(pn.getLine());
1155 for(int i=0; i<args.size(); i++) {
1156 con.addArgument((ExpressionNode)args.get(i));
1160 if (isNode(pn,"createarray2")) {
1161 TypeDescriptor td=parseTypeDescriptor(pn);
1163 if (pn.getChild("dims_opt").getLiteral()!=null)
1164 num=((Integer)pn.getChild("dims_opt").getLiteral()).intValue();
1165 for(int i=0; i<num; i++)
1166 td=td.makeArray(state);
1167 CreateObjectNode con=new CreateObjectNode(td, false, null);
1168 con.setNumLine(pn.getLine());
1169 ParseNode ipn = pn.getChild("initializer");
1170 Vector initializers=parseVariableInitializerList(ipn);
1171 ArrayInitializerNode ain = new ArrayInitializerNode(initializers);
1172 ain.setNumLine(pn.getLine());
1173 con.addArrayInitializer(ain);
1175 } else if (isNode(pn,"name")) {
1176 NameDescriptor nd=parseName(pn);
1177 NameNode nn=new NameNode(nd);
1178 nn.setNumLine(pn.getLine());
1180 } else if (isNode(pn,"this")) {
1181 NameDescriptor nd=new NameDescriptor("this");
1182 NameNode nn=new NameNode(nd);
1183 nn.setNumLine(pn.getLine());
1185 } else if (isNode(pn,"parentclass")) {
1186 NameDescriptor nd=new NameDescriptor("this");
1187 NameNode nn=new NameNode(nd);
1188 nn.setNumLine(pn.getLine());
1190 FieldAccessNode fan=new FieldAccessNode(nn,"this$parent");
1191 fan.setNumLine(pn.getLine());
1193 } else if (isNode(pn,"isavailable")) {
1194 NameDescriptor nd=new NameDescriptor(pn.getTerminal());
1195 NameNode nn=new NameNode(nd);
1196 nn.setNumLine(pn.getLine());
1197 return new OpNode(nn,null,new Operation(Operation.ISAVAILABLE));
1198 } else if (isNode(pn,"methodinvoke1")) {
1199 NameDescriptor nd=parseName(pn.getChild("name"));
1200 Vector args=parseArgumentList(pn);
1201 MethodInvokeNode min=new MethodInvokeNode(nd);
1202 min.setNumLine(pn.getLine());
1203 for(int i=0; i<args.size(); i++) {
1204 min.addArgument((ExpressionNode)args.get(i));
1207 } else if (isNode(pn,"methodinvoke2")) {
1208 String methodid=pn.getChild("id").getTerminal();
1209 ExpressionNode exp=parseExpression(pn.getChild("base").getFirstChild());
1210 Vector args=parseArgumentList(pn);
1211 MethodInvokeNode min=new MethodInvokeNode(methodid,exp);
1212 min.setNumLine(pn.getLine());
1213 for(int i=0; i<args.size(); i++) {
1214 min.addArgument((ExpressionNode)args.get(i));
1217 } else if (isNode(pn,"fieldaccess")) {
1218 ExpressionNode en=parseExpression(pn.getChild("base").getFirstChild());
1219 String fieldname=pn.getChild("field").getTerminal();
1221 FieldAccessNode fan=new FieldAccessNode(en,fieldname);
1222 fan.setNumLine(pn.getLine());
1224 } else if (isNode(pn,"arrayaccess")) {
1225 ExpressionNode en=parseExpression(pn.getChild("base").getFirstChild());
1226 ExpressionNode index=parseExpression(pn.getChild("index").getFirstChild());
1227 ArrayAccessNode aan=new ArrayAccessNode(en,index);
1228 aan.setNumLine(pn.getLine());
1230 } else if (isNode(pn,"cast1")) {
1232 CastNode cn=new CastNode(parseTypeDescriptor(pn.getChild("type")),parseExpression(pn.getChild("exp").getFirstChild()));
1233 cn.setNumLine(pn.getLine());
1235 } catch (Exception e) {
1236 System.out.println(pn.PPrint(1,true));
1237 e.printStackTrace();
1240 } else if (isNode(pn,"cast2")) {
1241 CastNode cn=new CastNode(parseExpression(pn.getChild("type").getFirstChild()),parseExpression(pn.getChild("exp").getFirstChild()));
1242 cn.setNumLine(pn.getLine());
1244 } else if (isNode(pn, "getoffset")) {
1245 TypeDescriptor td=parseTypeDescriptor(pn);
1246 String fieldname = pn.getChild("field").getTerminal();
1247 //System.out.println("Checking the values of: "+ " td.toString()= " + td.toString()+ " fieldname= " + fieldname);
1248 return new OffsetNode(td, fieldname);
1249 } else if (isNode(pn, "tert")) {
1251 TertiaryNode tn=new TertiaryNode(parseExpression(pn.getChild("cond").getFirstChild()),
1252 parseExpression(pn.getChild("trueexpr").getFirstChild()),
1253 parseExpression(pn.getChild("falseexpr").getFirstChild()) );
1254 tn.setNumLine(pn.getLine());
1257 } else if (isNode(pn, "instanceof")) {
1258 ExpressionNode exp=parseExpression(pn.getChild("exp").getFirstChild());
1259 TypeDescriptor t=parseTypeDescriptor(pn);
1260 InstanceOfNode ion=new InstanceOfNode(exp,t);
1261 ion.setNumLine(pn.getLine());
1263 } else if (isNode(pn, "array_initializer")) {
1264 Vector initializers=parseVariableInitializerList(pn);
1265 return new ArrayInitializerNode(initializers);
1266 } else if (isNode(pn, "class_type")) {
1267 TypeDescriptor td=parseTypeDescriptor(pn);
1268 ClassTypeNode ctn=new ClassTypeNode(td);
1269 ctn.setNumLine(pn.getLine());
1271 } else if (isNode(pn, "empty")) {
1274 System.out.println("---------------------");
1275 System.out.println(pn.PPrint(3,true));
1280 private Vector parseDimExprs(ParseNode pn) {
1281 Vector arglist=new Vector();
1282 ParseNode an=pn.getChild("dim_exprs");
1283 if (an==null) /* No argument list */
1285 ParseNodeVector anv=an.getChildren();
1286 for(int i=0; i<anv.size(); i++) {
1287 arglist.add(parseExpression(anv.elementAt(i)));
1292 private Vector parseArgumentList(ParseNode pn) {
1293 Vector arglist=new Vector();
1294 ParseNode an=pn.getChild("argument_list");
1295 if (an==null) /* No argument list */
1297 ParseNodeVector anv=an.getChildren();
1298 for(int i=0; i<anv.size(); i++) {
1299 arglist.add(parseExpression(anv.elementAt(i)));
1304 private Vector[] parseConsArgumentList(ParseNode pn) {
1305 Vector arglist=new Vector();
1306 Vector varlist=new Vector();
1307 ParseNode an=pn.getChild("cons_argument_list");
1308 if (an==null) /* No argument list */
1309 return new Vector[] {varlist, arglist};
1310 ParseNodeVector anv=an.getChildren();
1311 for(int i=0; i<anv.size(); i++) {
1312 ParseNode cpn=anv.elementAt(i);
1313 ParseNode var=cpn.getChild("var");
1314 ParseNode exp=cpn.getChild("exp").getFirstChild();
1315 varlist.add(var.getTerminal());
1316 arglist.add(parseExpression(exp));
1318 return new Vector[] {varlist, arglist};
1321 private Vector parseVariableInitializerList(ParseNode pn) {
1322 Vector varInitList=new Vector();
1323 ParseNode vin=pn.getChild("var_init_list");
1324 if (vin==null) /* No argument list */
1326 ParseNodeVector vinv=vin.getChildren();
1327 for(int i=0; i<vinv.size(); i++) {
1328 varInitList.add(parseExpression(vinv.elementAt(i)));
1333 private ExpressionNode parseAssignmentExpression(ParseNode pn) {
1334 AssignOperation ao=new AssignOperation(pn.getChild("op").getTerminal());
1335 ParseNodeVector pnv=pn.getChild("args").getChildren();
1337 AssignmentNode an=new AssignmentNode(parseExpression(pnv.elementAt(0)),parseExpression(pnv.elementAt(1)),ao);
1338 an.setNumLine(pn.getLine());
1343 private void parseMethodDecl(ClassDescriptor cn, ParseNode pn) {
1344 ParseNode headern=pn.getChild("method_header");
1345 ParseNode bodyn=pn.getChild("body");
1346 MethodDescriptor md=parseMethodHeader(headern);
1348 BlockNode bn=parseBlock(bodyn);
1349 bn.setNumLine(pn.getLine()); // assume that method header is located at the beginning of method body
1351 state.addTreeCode(md,bn);
1353 // this is a hack for investigating new language features
1354 // at the AST level, someday should evolve into a nice compiler
1356 //if( cn.getSymbol().equals( ***put a class in here like: "Test" ) &&
1357 // md.getSymbol().equals( ***put your method in here like: "main" )
1359 // bn.setStyle( BlockNode.NORMAL );
1360 // System.out.println( bn.printNode( 0 ) );
1363 } catch (Exception e) {
1364 System.out.println("Error with method:"+md.getSymbol());
1365 e.printStackTrace();
1368 System.out.println("Error with method:"+md.getSymbol());
1369 e.printStackTrace();
1374 private void parseConstructorDecl(ClassDescriptor cn, ParseNode pn) {
1375 ParseNode mn=pn.getChild("modifiers");
1376 Modifiers m=parseModifiersList(mn);
1377 ParseNode cdecl=pn.getChild("constructor_declarator");
1378 boolean isglobal=cdecl.getChild("global")!=null;
1379 String name=resolveName(cn.getSymbol());
1380 MethodDescriptor md=new MethodDescriptor(m, name, isglobal);
1381 ParseNode paramnode=cdecl.getChild("parameters");
1382 parseParameterList(md,paramnode);
1383 ParseNode bodyn0=pn.getChild("body");
1384 ParseNode bodyn=bodyn0.getChild("constructor_body");
1387 if (bodyn!=null&&bodyn.getChild("block_statement_list")!=null)
1388 bn=parseBlock(bodyn);
1391 if (bodyn!=null&&bodyn.getChild("superinvoke")!=null) {
1392 ParseNode sin=bodyn.getChild("superinvoke");
1393 NameDescriptor nd=new NameDescriptor("super");
1394 Vector args=parseArgumentList(sin);
1395 MethodInvokeNode min=new MethodInvokeNode(nd);
1396 min.setNumLine(sin.getLine());
1397 for(int i=0; i<args.size(); i++) {
1398 min.addArgument((ExpressionNode)args.get(i));
1400 BlockExpressionNode ben=new BlockExpressionNode(min);
1401 bn.addFirstBlockStatement(ben);
1403 } else if (bodyn!=null&&bodyn.getChild("explconstrinv")!=null) {
1404 ParseNode eci=bodyn.getChild("explconstrinv");
1405 NameDescriptor nd=new NameDescriptor(cn.getSymbol());
1406 Vector args=parseArgumentList(eci);
1407 MethodInvokeNode min=new MethodInvokeNode(nd);
1408 min.setNumLine(eci.getLine());
1409 for(int i=0; i<args.size(); i++) {
1410 min.addArgument((ExpressionNode)args.get(i));
1412 BlockExpressionNode ben=new BlockExpressionNode(min);
1413 ben.setNumLine(eci.getLine());
1414 bn.addFirstBlockStatement(ben);
1416 state.addTreeCode(md,bn);
1419 private void parseStaticBlockDecl(ClassDescriptor cn, ParseNode pn) {
1420 // Each class maintains one MethodDecscriptor which combines all its
1421 // static blocks in their declaration order
1422 boolean isfirst = false;
1423 MethodDescriptor md = (MethodDescriptor)cn.getMethodTable().getFromSameScope("staticblocks");
1425 // the first static block for this class
1426 Modifiers m_i=new Modifiers();
1427 m_i.addModifier(Modifiers.STATIC);
1428 md = new MethodDescriptor(m_i, "staticblocks", false);
1429 md.setAsStaticBlock();
1432 ParseNode bodyn=pn.getChild("body");
1436 cn.incStaticBlocks();
1438 if (bodyn!=null&&bodyn.getChild("block_statement_list")!=null)
1439 bn=parseBlock(bodyn);
1443 state.addTreeCode(md,bn);
1445 BlockNode obn = state.getMethodBody(md);
1446 for(int i = 0; i < bn.size(); i++) {
1447 BlockStatementNode bsn = bn.get(i);
1448 obn.addBlockStatement(bsn);
1450 state.addTreeCode(md, obn);
1455 public BlockNode parseBlock(ParseNode pn) {
1456 this.m_taskexitnum = 0;
1457 if (pn==null||isEmpty(pn.getTerminal()))
1458 return new BlockNode();
1459 ParseNode bsn=pn.getChild("block_statement_list");
1460 return parseBlockHelper(bsn);
1463 private BlockNode parseBlockHelper(ParseNode pn) {
1464 ParseNodeVector pnv=pn.getChildren();
1465 BlockNode bn=new BlockNode();
1466 for(int i=0; i<pnv.size(); i++) {
1467 Vector bsv=parseBlockStatement(pnv.elementAt(i));
1468 for(int j=0; j<bsv.size(); j++) {
1469 bn.addBlockStatement((BlockStatementNode)bsv.get(j));
1475 public BlockNode parseSingleBlock(ParseNode pn, String label){
1476 BlockNode bn=new BlockNode();
1477 Vector bsv=parseBlockStatement(pn,label);
1478 for(int j=0; j<bsv.size(); j++) {
1479 bn.addBlockStatement((BlockStatementNode)bsv.get(j));
1481 bn.setStyle(BlockNode.NOBRACES);
1485 public BlockNode parseSingleBlock(ParseNode pn) {
1486 return parseSingleBlock(pn,null);
1489 public Vector parseSESEBlock(Vector parentbs, ParseNode pn) {
1490 ParseNodeVector pnv=pn.getChildren();
1491 Vector bv=new Vector();
1492 for(int i=0; i<pnv.size(); i++) {
1493 bv.addAll(parseBlockStatement(pnv.elementAt(i)));
1498 public Vector parseBlockStatement(ParseNode pn){
1499 return parseBlockStatement(pn,null);
1502 public Vector parseBlockStatement(ParseNode pn, String label) {
1503 Vector blockstatements=new Vector();
1504 if (isNode(pn,"tag_declaration")) {
1505 String name=pn.getChild("single").getTerminal();
1506 String type=pn.getChild("type").getTerminal();
1508 TagDeclarationNode tdn=new TagDeclarationNode(name, type);
1509 tdn.setNumLine(pn.getLine());
1511 blockstatements.add(tdn);
1512 } else if (isNode(pn,"local_variable_declaration")) {
1514 TypeDescriptor t=parseTypeDescriptor(pn);
1515 ParseNode vn=pn.getChild("variable_declarators_list");
1516 ParseNodeVector pnv=vn.getChildren();
1517 for(int i=0; i<pnv.size(); i++) {
1518 ParseNode vardecl=pnv.elementAt(i);
1521 ParseNode tmp=vardecl;
1522 TypeDescriptor arrayt=t;
1524 while (tmp.getChild("single")==null) {
1525 arrayt=arrayt.makeArray(state);
1526 tmp=tmp.getChild("array");
1528 String identifier=tmp.getChild("single").getTerminal();
1530 ParseNode epn=vardecl.getChild("initializer");
1533 ExpressionNode en=null;
1535 en=parseExpression(epn.getFirstChild());
1537 DeclarationNode dn=new DeclarationNode(new VarDescriptor(arrayt, identifier),en);
1538 dn.setNumLine(tmp.getLine());
1540 ParseNode mn=pn.getChild("modifiers");
1542 // here, modifers parse node has the list of annotations
1543 Modifiers m=parseModifiersList(mn);
1544 assignAnnotationsToType(m, arrayt);
1547 blockstatements.add(dn);
1549 } else if (isNode(pn,"nop")) {
1551 } else if (isNode(pn,"expression")) {
1552 BlockExpressionNode ben=new BlockExpressionNode(parseExpression(pn.getFirstChild()));
1553 ben.setNumLine(pn.getLine());
1554 blockstatements.add(ben);
1555 } else if (isNode(pn,"ifstatement")) {
1556 IfStatementNode isn=new IfStatementNode(parseExpression(pn.getChild("condition").getFirstChild()),
1557 parseSingleBlock(pn.getChild("statement").getFirstChild()),
1558 pn.getChild("else_statement")!=null?parseSingleBlock(pn.getChild("else_statement").getFirstChild()):null);
1559 isn.setNumLine(pn.getLine());
1561 blockstatements.add(isn);
1562 } else if (isNode(pn,"switch_statement")) {
1563 // TODO add version for normal Java later
1564 SwitchStatementNode ssn=new SwitchStatementNode(parseExpression(pn.getChild("condition").getFirstChild()),
1565 parseSingleBlock(pn.getChild("statement").getFirstChild()));
1566 ssn.setNumLine(pn.getLine());
1567 blockstatements.add(ssn);
1568 } else if (isNode(pn,"switch_block_list")) {
1569 // TODO add version for normal Java later
1570 ParseNodeVector pnv=pn.getChildren();
1571 for(int i=0; i<pnv.size(); i++) {
1572 ParseNode sblockdecl=pnv.elementAt(i);
1574 if(isNode(sblockdecl, "switch_block")) {
1575 ParseNode lpn=sblockdecl.getChild("switch_labels").getChild("switch_label_list");
1576 ParseNodeVector labelv=lpn.getChildren();
1577 Vector<SwitchLabelNode> slv = new Vector<SwitchLabelNode>();
1578 for(int j=0; j<labelv.size(); j++) {
1579 ParseNode labeldecl=labelv.elementAt(j);
1580 if(isNode(labeldecl, "switch_label")) {
1581 SwitchLabelNode sln=new SwitchLabelNode(parseExpression(labeldecl.getChild("constant_expression").getFirstChild()), false);
1582 sln.setNumLine(labeldecl.getLine());
1583 slv.addElement(sln);
1584 } else if(isNode(labeldecl, "default_switch_label")) {
1585 SwitchLabelNode sln=new SwitchLabelNode(null, true);
1586 sln.setNumLine(labeldecl.getLine());
1587 slv.addElement(sln);
1591 SwitchBlockNode sbn=new SwitchBlockNode(slv,
1592 parseSingleBlock(sblockdecl.getChild("switch_statements").getFirstChild()));
1593 sbn.setNumLine(sblockdecl.getLine());
1595 blockstatements.add(sbn);
1599 } else if (isNode(pn, "trycatchstatement")) {
1600 // TODO add version for normal Java later
1601 // Do not fully support exceptions now. Only make sure that if there are no
1602 // exceptions thrown, the execution is right
1603 ParseNode tpn = pn.getChild("tryblock").getFirstChild();
1604 BlockNode bn=parseBlockHelper(tpn);
1605 blockstatements.add(new SubBlockNode(bn));
1607 ParseNode fbk = pn.getChild("finallyblock");
1609 ParseNode fpn = fbk.getFirstChild();
1610 BlockNode fbn=parseBlockHelper(fpn);
1611 blockstatements.add(new SubBlockNode(fbn));
1613 } else if (isNode(pn, "throwstatement")) {
1614 // TODO Simply return here
1615 //blockstatements.add(new ReturnNode());
1616 } else if (isNode(pn,"taskexit")) {
1618 if (pn.getChild("flag_effects_list")!=null)
1619 vfe=parseFlags(pn.getChild("flag_effects_list"));
1621 if (pn.getChild("cons_checks")!=null)
1622 ccs=parseChecks(pn.getChild("cons_checks"));
1623 TaskExitNode ten=new TaskExitNode(vfe, ccs, this.m_taskexitnum++);
1624 ten.setNumLine(pn.getLine());
1625 blockstatements.add(ten);
1626 } else if (isNode(pn,"atomic")) {
1627 BlockNode bn=parseBlockHelper(pn);
1628 AtomicNode an=new AtomicNode(bn);
1629 an.setNumLine(pn.getLine());
1630 blockstatements.add(an);
1631 } else if (isNode(pn,"synchronized")) {
1632 BlockNode bn=parseBlockHelper(pn.getChild("block"));
1633 ExpressionNode en=parseExpression(pn.getChild("expr").getFirstChild());
1634 SynchronizedNode sn=new SynchronizedNode(en, bn);
1635 sn.setNumLine(pn.getLine());
1636 blockstatements.add(sn);
1637 } else if (isNode(pn,"return")) {
1638 if (isEmpty(pn.getTerminal()))
1639 blockstatements.add(new ReturnNode());
1641 ExpressionNode en=parseExpression(pn.getFirstChild());
1642 ReturnNode rn=new ReturnNode(en);
1643 rn.setNumLine(pn.getLine());
1644 blockstatements.add(rn);
1646 } else if (isNode(pn,"block_statement_list")) {
1647 BlockNode bn=parseBlockHelper(pn);
1648 blockstatements.add(new SubBlockNode(bn));
1649 } else if (isNode(pn,"empty")) {
1651 } else if (isNode(pn,"statement_expression_list")) {
1652 ParseNodeVector pnv=pn.getChildren();
1653 BlockNode bn=new BlockNode();
1654 for(int i=0; i<pnv.size(); i++) {
1655 ExpressionNode en=parseExpression(pnv.elementAt(i));
1656 blockstatements.add(new BlockExpressionNode(en));
1658 bn.setStyle(BlockNode.EXPRLIST);
1659 } else if (isNode(pn,"forstatement")) {
1660 BlockNode init=parseSingleBlock(pn.getChild("initializer").getFirstChild());
1661 BlockNode update=parseSingleBlock(pn.getChild("update").getFirstChild());
1662 ExpressionNode condition=parseExpression(pn.getChild("condition").getFirstChild());
1663 BlockNode body=parseSingleBlock(pn.getChild("statement").getFirstChild());
1664 if(condition == null) {
1665 // no condition clause, make a 'true' expression as the condition
1666 condition = (ExpressionNode) new LiteralNode("boolean", new Boolean(true));
1668 LoopNode ln=new LoopNode(init,condition,update,body,label);
1669 ln.setNumLine(pn.getLine());
1670 blockstatements.add(ln);
1671 } else if (isNode(pn,"whilestatement")) {
1672 ExpressionNode condition=parseExpression(pn.getChild("condition").getFirstChild());
1673 BlockNode body=parseSingleBlock(pn.getChild("statement").getFirstChild());
1674 if(condition == null) {
1675 // no condition clause, make a 'true' expression as the condition
1676 condition = (ExpressionNode) new LiteralNode("boolean", new Boolean(true));
1678 blockstatements.add(new LoopNode(condition,body,LoopNode.WHILELOOP,label));
1679 } else if (isNode(pn,"dowhilestatement")) {
1680 ExpressionNode condition=parseExpression(pn.getChild("condition").getFirstChild());
1681 BlockNode body=parseSingleBlock(pn.getChild("statement").getFirstChild());
1682 if(condition == null) {
1683 // no condition clause, make a 'true' expression as the condition
1684 condition = (ExpressionNode) new LiteralNode("boolean", new Boolean(true));
1686 blockstatements.add(new LoopNode(condition,body,LoopNode.DOWHILELOOP,label));
1687 } else if (isNode(pn,"sese")) {
1688 ParseNode pnID=pn.getChild("identifier");
1690 if( pnID != null ) {
1691 stID=pnID.getFirstChild().getTerminal();
1693 SESENode start=new SESENode(stID);
1694 start.setNumLine(pn.getLine());
1695 SESENode end =new SESENode(stID);
1697 end.setStart(start);
1698 blockstatements.add(start);
1699 blockstatements.addAll(parseSESEBlock(blockstatements,pn.getChild("body").getFirstChild()));
1700 blockstatements.add(end);
1701 } else if (isNode(pn,"continue")) {
1702 ContinueBreakNode cbn=new ContinueBreakNode(false);
1703 cbn.setNumLine(pn.getLine());
1704 blockstatements.add(cbn);
1705 } else if (isNode(pn,"break")) {
1706 ContinueBreakNode cbn=new ContinueBreakNode(true);
1707 cbn.setNumLine(pn.getLine());
1708 blockstatements.add(cbn);
1709 ParseNode idopt_pn=pn.getChild("identifier_opt");
1710 ParseNode name_pn=idopt_pn.getChild("name");
1711 // name_pn.getTerminal() gives you the label
1713 } else if (isNode(pn,"genreach")) {
1714 String graphName = pn.getChild("graphName").getTerminal();
1715 blockstatements.add(new GenReachNode(graphName) );
1717 } else if (isNode(pn,"gen_def_reach")) {
1718 String outputName = pn.getChild("outputName").getTerminal();
1719 blockstatements.add(new GenDefReachNode(outputName) );
1721 } else if(isNode(pn,"labeledstatement")) {
1722 String labeledstatement = pn.getChild("name").getTerminal();
1723 BlockNode bn=parseSingleBlock(pn.getChild("statement").getFirstChild(),labeledstatement);
1724 blockstatements.add(new SubBlockNode(bn));
1726 System.out.println("---------------");
1727 System.out.println(pn.PPrint(3,true));
1730 return blockstatements;
1733 public MethodDescriptor parseMethodHeader(ParseNode pn) {
1734 ParseNode mn=pn.getChild("modifiers");
1735 Modifiers m=parseModifiersList(mn);
1737 ParseNode tn=pn.getChild("returntype");
1738 TypeDescriptor returntype;
1740 returntype=parseTypeDescriptor(tn);
1742 returntype=new TypeDescriptor(TypeDescriptor.VOID);
1744 ParseNode pmd=pn.getChild("method_declarator");
1745 String name=pmd.getChild("name").getTerminal();
1746 MethodDescriptor md=new MethodDescriptor(m, returntype, name);
1748 ParseNode paramnode=pmd.getChild("parameters");
1749 parseParameterList(md,paramnode);
1753 public void parseParameterList(MethodDescriptor md, ParseNode pn) {
1754 ParseNode paramlist=pn.getChild("formal_parameter_list");
1755 if (paramlist==null)
1757 ParseNodeVector pnv=paramlist.getChildren();
1758 for(int i=0; i<pnv.size(); i++) {
1759 ParseNode paramn=pnv.elementAt(i);
1761 if (isNode(paramn, "tag_parameter")) {
1762 String paramname=paramn.getChild("single").getTerminal();
1763 TypeDescriptor type=new TypeDescriptor(TypeDescriptor.TAG);
1764 md.addTagParameter(type, paramname);
1767 TypeDescriptor type=parseTypeDescriptor(paramn);
1769 ParseNode tmp=paramn;
1770 while (tmp.getChild("single")==null) {
1771 type=type.makeArray(state);
1772 tmp=tmp.getChild("array");
1774 String paramname=tmp.getChild("single").getTerminal();
1776 md.addParameter(type, paramname);
1777 if(isNode(paramn, "annotation_parameter")) {
1778 ParseNode listnode=paramn.getChild("annotation_list");
1779 parseParameterAnnotation(listnode,type);
1786 public Modifiers parseModifiersList(ParseNode pn) {
1787 Modifiers m=new Modifiers();
1788 ParseNode modlist=pn.getChild("modifier_list");
1789 if (modlist!=null) {
1790 ParseNodeVector pnv=modlist.getChildren();
1791 for(int i=0; i<pnv.size(); i++) {
1792 ParseNode modn=pnv.elementAt(i);
1793 if (isNode(modn,"public"))
1794 m.addModifier(Modifiers.PUBLIC);
1795 else if (isNode(modn,"protected"))
1796 m.addModifier(Modifiers.PROTECTED);
1797 else if (isNode(modn,"private"))
1798 m.addModifier(Modifiers.PRIVATE);
1799 else if (isNode(modn,"static"))
1800 m.addModifier(Modifiers.STATIC);
1801 else if (isNode(modn,"final"))
1802 m.addModifier(Modifiers.FINAL);
1803 else if (isNode(modn,"native"))
1804 m.addModifier(Modifiers.NATIVE);
1805 else if (isNode(modn,"synchronized"))
1806 m.addModifier(Modifiers.SYNCHRONIZED);
1807 else if (isNode(modn,"atomic"))
1808 m.addModifier(Modifiers.ATOMIC);
1809 else if (isNode(modn,"abstract"))
1810 m.addModifier(Modifiers.ABSTRACT);
1811 else if (isNode(modn,"volatile"))
1812 m.addModifier(Modifiers.VOLATILE);
1813 else if (isNode(modn,"transient"))
1814 m.addModifier(Modifiers.TRANSIENT);
1815 else if(isNode(modn,"annotation_list"))
1816 parseAnnotationList(modn,m);
1818 throw new Error("Unrecognized Modifier:"+modn.getLabel());
1825 private void parseAnnotationList(ParseNode pn, Modifiers m) {
1826 ParseNodeVector pnv = pn.getChildren();
1827 for (int i = 0; i < pnv.size(); i++) {
1828 ParseNode body_list = pnv.elementAt(i);
1829 if (isNode(body_list, "annotation_body")) {
1830 ParseNode body_node = body_list.getFirstChild();
1831 if (isNode(body_node, "marker_annotation")) {
1832 m.addAnnotation(new AnnotationDescriptor(body_node.getChild("name").getTerminal()));
1833 } else if (isNode(body_node, "single_annotation")) {
1834 m.addAnnotation(new AnnotationDescriptor(body_node.getChild("name").getTerminal(),
1835 body_node.getChild("element_value").getTerminal()));
1836 } else if (isNode(body_node, "normal_annotation")) {
1837 throw new Error("Annotation with multiple data members is not supported yet.");
1843 private void parseParameterAnnotation(ParseNode pn,TypeDescriptor type) {
1844 ParseNodeVector pnv = pn.getChildren();
1845 for (int i = 0; i < pnv.size(); i++) {
1846 ParseNode body_list = pnv.elementAt(i);
1847 if (isNode(body_list, "annotation_body")) {
1848 ParseNode body_node = body_list.getFirstChild();
1849 if (isNode(body_node, "marker_annotation")) {
1850 type.addAnnotationMarker(new AnnotationDescriptor(body_node.getChild("name").getTerminal()));
1851 } else if (isNode(body_node, "single_annotation")) {
1852 type.addAnnotationMarker(new AnnotationDescriptor(body_node.getChild("name").getTerminal(),
1853 body_node.getChild("element_value").getTerminal()));
1854 } else if (isNode(body_node, "normal_annotation")) {
1855 throw new Error("Annotation with multiple data members is not supported yet.");
1861 private boolean isNode(ParseNode pn, String label) {
1862 if (pn.getLabel().equals(label))
1867 private static boolean isEmpty(ParseNode pn) {
1868 if (pn.getLabel().equals("empty"))
1874 private static boolean isEmpty(String s) {
1875 if (s.equals("empty"))
1881 /** Throw an exception if something is unexpected */
1882 private void check(ParseNode pn, String label) {
1884 throw new Error(pn+ "IE: Expected '" + label + "', got null");
1886 if (!pn.getLabel().equals(label)) {
1887 throw new Error(pn+ "IE: Expected '" + label + "', got '"+pn.getLabel()+"'");