10 private int m_taskexitnum;
12 public BuildIR(State state) {
14 this.m_taskexitnum = 0;
17 public void buildtree(ParseNode pn, Set toanalyze) {
18 parseFile(pn, toanalyze);
23 NameDescriptor packages;
25 /** Parse the classes in this file */
26 public void parseFile(ParseNode pn, Set toanalyze) {
27 singleimports=new Vector();
28 multiimports=new Vector();
30 ParseNode ipn=pn.getChild("imports").getChild("import_decls_list");
32 ParseNodeVector pnv=ipn.getChildren();
33 for(int i=0; i<pnv.size(); i++) {
34 ParseNode pnimport=pnv.elementAt(i);
35 NameDescriptor nd=parseName(pnimport.getChild("name"));
36 if (isNode(pnimport,"import_single"))
37 singleimports.add(nd);
42 ParseNode ppn=pn.getChild("packages").getChild("package");
44 packages=parseName(ppn.getChild("name"));
46 ParseNode tpn=pn.getChild("type_declaration_list");
48 ParseNodeVector pnv=tpn.getChildren();
49 for(int i=0; i<pnv.size(); i++) {
50 ParseNode type_pn=pnv.elementAt(i);
51 if (isEmpty(type_pn)) /* Skip the semicolon */
53 if (isNode(type_pn,"class_declaration")) {
54 ClassDescriptor cn=parseTypeDecl(type_pn);
55 parseInitializers(cn);
59 // for inner classes/enum
60 HashSet tovisit = new HashSet();
61 Iterator it_icds = cn.getInnerClasses();
62 while(it_icds.hasNext()) {
63 tovisit.add(it_icds.next());
66 while(!tovisit.isEmpty()) {
67 ClassDescriptor cd = (ClassDescriptor)tovisit.iterator().next();
69 parseInitializers(cd);
70 if(toanalyze != null) {
75 Iterator it_ics = cd.getInnerClasses();
76 while(it_ics.hasNext()) {
77 tovisit.add(it_ics.next());
80 Iterator it_ienums = cd.getEnum();
81 while(it_ienums.hasNext()) {
82 ClassDescriptor iecd = (ClassDescriptor)it_ienums.next();
83 if(toanalyze != null) {
90 Iterator it_enums = cn.getEnum();
91 while(it_enums.hasNext()) {
92 ClassDescriptor ecd = (ClassDescriptor)it_enums.next();
93 if(toanalyze != null) {
98 } else if (isNode(type_pn,"task_declaration")) {
99 TaskDescriptor td=parseTaskDecl(type_pn);
103 } else if (isNode(type_pn,"interface_declaration")) {
104 // TODO add version for normal Java later
105 ClassDescriptor cn = parseInterfaceDecl(type_pn);
111 Iterator it_enums = cn.getEnum();
112 while(it_enums.hasNext()) {
113 ClassDescriptor ecd = (ClassDescriptor)it_enums.next();
114 if(toanalyze != null) {
119 } else if (isNode(type_pn,"enum_declaration")) {
120 // TODO add version for normal Java later
121 ClassDescriptor cn = parseEnumDecl(null, type_pn);
126 throw new Error(type_pn.getLabel());
132 public void parseInitializers(ClassDescriptor cn){
133 Vector fv=cn.getFieldVec();
134 for(int i=0;i<fv.size();i++) {
135 FieldDescriptor fd=(FieldDescriptor)fv.get(i);
136 if(fd.getExpressionNode()!=null) {
137 Iterator methodit = cn.getMethods();
138 while(methodit.hasNext()){
139 MethodDescriptor currmd=(MethodDescriptor)methodit.next();
140 if(currmd.isConstructor()){
141 BlockNode bn=state.getMethodBody(currmd);
142 NameNode nn=new NameNode(new NameDescriptor(fd.getSymbol()));
143 AssignmentNode an=new AssignmentNode(nn,fd.getExpressionNode(),new AssignOperation(1));
144 bn.addFirstBlockStatement(new BlockExpressionNode(an));
151 private ClassDescriptor parseEnumDecl(ClassDescriptor cn, ParseNode pn) {
152 ClassDescriptor ecd=new ClassDescriptor(pn.getChild("name").getTerminal(), false);
155 ecd.setSurroundingClass(cn.getSymbol());
156 ecd.setSurrounding(cn);
159 if (!(ecd.getSymbol().equals(TypeUtil.ObjectClass)||
160 ecd.getSymbol().equals(TypeUtil.TagClass))) {
161 ecd.setSuper(TypeUtil.ObjectClass);
163 ecd.setModifiers(parseModifiersList(pn.getChild("modifiers")));
164 parseEnumBody(ecd, pn.getChild("enumbody"));
168 private void parseEnumBody(ClassDescriptor cn, ParseNode pn) {
169 ParseNode decls=pn.getChild("enum_constants_list");
171 ParseNodeVector pnv=decls.getChildren();
172 for(int i=0; i<pnv.size(); i++) {
173 ParseNode decl=pnv.elementAt(i);
174 if (isNode(decl,"enum_constant")) {
175 parseEnumConstant(cn,decl);
176 } else throw new Error();
181 private void parseEnumConstant(ClassDescriptor cn, ParseNode pn) {
182 cn.addEnumConstant(pn.getChild("name").getTerminal());
185 public ClassDescriptor parseInterfaceDecl(ParseNode pn) {
186 ClassDescriptor cn=new ClassDescriptor(pn.getChild("name").getTerminal(), true);
187 //cn.setAsInterface();
188 if (!isEmpty(pn.getChild("superIF").getTerminal())) {
189 /* parse inherited interface name */
190 ParseNode snlist=pn.getChild("superIF").getChild("extend_interface_list");
191 ParseNodeVector pnv=snlist.getChildren();
192 for(int i=0; i<pnv.size(); i++) {
193 ParseNode decl=pnv.elementAt(i);
194 if (isNode(decl,"type")) {
195 NameDescriptor nd=parseName(decl.getChild("class").getChild("name"));
196 cn.addSuperInterface(nd.toString());
200 cn.setModifiers(parseModifiersList(pn.getChild("modifiers")));
201 parseInterfaceBody(cn, pn.getChild("interfacebody"));
205 private void parseInterfaceBody(ClassDescriptor cn, ParseNode pn) {
206 assert(cn.isInterface());
207 ParseNode decls=pn.getChild("interface_member_declaration_list");
209 ParseNodeVector pnv=decls.getChildren();
210 for(int i=0; i<pnv.size(); i++) {
211 ParseNode decl=pnv.elementAt(i);
212 if (isNode(decl,"constant")) {
213 parseInterfaceConstant(cn,decl);
214 } else if (isNode(decl,"method")) {
215 parseInterfaceMethod(cn,decl.getChild("method_declaration"));
216 } else throw new Error();
221 private void parseInterfaceConstant(ClassDescriptor cn, ParseNode pn) {
223 parseFieldDecl(cn,pn.getChild("field_declaration"));
229 private void parseInterfaceMethod(ClassDescriptor cn, ParseNode pn) {
230 ParseNode headern=pn.getChild("header");
231 ParseNode bodyn=pn.getChild("body");
232 MethodDescriptor md=parseMethodHeader(headern.getChild("method_header"));
233 md.getModifiers().addModifier(Modifiers.PUBLIC);
234 md.getModifiers().addModifier(Modifiers.ABSTRACT);
236 BlockNode bn=parseBlock(bodyn);
238 state.addTreeCode(md,bn);
240 // this is a hack for investigating new language features
241 // at the AST level, someday should evolve into a nice compiler
243 //if( cn.getSymbol().equals( ***put a class in here like: "Test" ) &&
244 // md.getSymbol().equals( ***put your method in here like: "main" )
246 // bn.setStyle( BlockNode.NORMAL );
247 // System.out.println( bn.printNode( 0 ) );
250 } catch (Exception e) {
251 System.out.println("Error with method:"+md.getSymbol());
255 System.out.println("Error with method:"+md.getSymbol());
261 public TaskDescriptor parseTaskDecl(ParseNode pn) {
262 TaskDescriptor td=new TaskDescriptor(pn.getChild("name").getTerminal());
263 ParseNode bodyn=pn.getChild("body");
264 BlockNode bn=parseBlock(bodyn);
265 parseParameterList(td, pn);
266 state.addTreeCode(td,bn);
267 if (pn.getChild("flag_effects_list")!=null)
268 td.addFlagEffects(parseFlags(pn.getChild("flag_effects_list")));
272 public Vector parseFlags(ParseNode pn) {
273 Vector vfe=new Vector();
274 ParseNodeVector pnv=pn.getChildren();
275 for(int i=0; i<pnv.size(); i++) {
276 ParseNode fn=pnv.elementAt(i);
277 FlagEffects fe=parseFlagEffects(fn);
283 public FlagEffects parseFlagEffects(ParseNode pn) {
284 if (isNode(pn,"flag_effect")) {
285 String flagname=pn.getChild("name").getTerminal();
286 FlagEffects fe=new FlagEffects(flagname);
287 if (pn.getChild("flag_list")!=null)
288 parseFlagEffect(fe, pn.getChild("flag_list"));
289 if (pn.getChild("tag_list")!=null)
290 parseTagEffect(fe, pn.getChild("tag_list"));
292 } else throw new Error();
295 public void parseTagEffect(FlagEffects fes, ParseNode pn) {
296 ParseNodeVector pnv=pn.getChildren();
297 for(int i=0; i<pnv.size(); i++) {
298 ParseNode pn2=pnv.elementAt(i);
300 if (isNode(pn2,"not")) {
302 pn2=pn2.getChild("name");
304 String name=pn2.getTerminal();
305 fes.addTagEffect(new TagEffect(name,status));
309 public void parseFlagEffect(FlagEffects fes, ParseNode pn) {
310 ParseNodeVector pnv=pn.getChildren();
311 for(int i=0; i<pnv.size(); i++) {
312 ParseNode pn2=pnv.elementAt(i);
314 if (isNode(pn2,"not")) {
316 pn2=pn2.getChild("name");
318 String name=pn2.getTerminal();
319 fes.addEffect(new FlagEffect(name,status));
323 public FlagExpressionNode parseFlagExpression(ParseNode pn) {
324 if (isNode(pn,"or")) {
325 ParseNodeVector pnv=pn.getChildren();
326 ParseNode left=pnv.elementAt(0);
327 ParseNode right=pnv.elementAt(1);
328 return new FlagOpNode(parseFlagExpression(left), parseFlagExpression(right), new Operation(Operation.LOGIC_OR));
329 } else if (isNode(pn,"and")) {
330 ParseNodeVector pnv=pn.getChildren();
331 ParseNode left=pnv.elementAt(0);
332 ParseNode right=pnv.elementAt(1);
333 return new FlagOpNode(parseFlagExpression(left), parseFlagExpression(right), new Operation(Operation.LOGIC_AND));
334 } else if (isNode(pn, "not")) {
335 ParseNodeVector pnv=pn.getChildren();
336 ParseNode left=pnv.elementAt(0);
337 return new FlagOpNode(parseFlagExpression(left), new Operation(Operation.LOGIC_NOT));
339 } else if (isNode(pn,"name")) {
340 return new FlagNode(pn.getTerminal());
346 public Vector parseChecks(ParseNode pn) {
347 Vector ccs=new Vector();
348 ParseNodeVector pnv=pn.getChildren();
349 for(int i=0; i<pnv.size(); i++) {
350 ParseNode fn=pnv.elementAt(i);
351 ConstraintCheck cc=parseConstraintCheck(fn);
357 public ConstraintCheck parseConstraintCheck(ParseNode pn) {
358 if (isNode(pn,"cons_check")) {
359 String specname=pn.getChild("name").getChild("identifier").getTerminal();
360 Vector[] args=parseConsArgumentList(pn);
361 ConstraintCheck cc=new ConstraintCheck(specname);
362 for(int i=0; i<args[0].size(); i++) {
363 cc.addVariable((String)args[0].get(i));
364 cc.addArgument((ExpressionNode)args[1].get(i));
367 } else throw new Error();
370 public void parseParameterList(TaskDescriptor td, ParseNode pn) {
373 ParseNode paramlist=pn.getChild("task_parameter_list");
376 ParseNodeVector pnv=paramlist.getChildren();
377 for(int i=0; i<pnv.size(); i++) {
378 ParseNode paramn=pnv.elementAt(i);
379 if(paramn.getChild("optional")!=null) {
381 paramn = paramn.getChild("optional").getFirstChild();
382 System.out.println("OPTIONAL FOUND!!!!!!!");
383 } else { optional = false;
384 System.out.println("NOT OPTIONAL");}
386 TypeDescriptor type=parseTypeDescriptor(paramn);
388 String paramname=paramn.getChild("single").getTerminal();
389 FlagExpressionNode fen=null;
390 if (paramn.getChild("flag")!=null)
391 fen=parseFlagExpression(paramn.getChild("flag").getFirstChild());
393 ParseNode tagnode=paramn.getChild("tag");
395 TagExpressionList tel=null;
397 tel=parseTagExpressionList(tagnode);
400 td.addParameter(type,paramname,fen, tel, optional);
404 public TagExpressionList parseTagExpressionList(ParseNode pn) {
405 //BUG FIX: change pn.getChildren() to pn.getChild("tag_expression_list").getChildren()
406 //To test, feed in any input program that uses tags
407 ParseNodeVector pnv=pn.getChild("tag_expression_list").getChildren();
408 TagExpressionList tel=new TagExpressionList();
409 for(int i=0; i<pnv.size(); i++) {
410 ParseNode tn=pnv.elementAt(i);
411 String type=tn.getChild("type").getTerminal();
412 String name=tn.getChild("single").getTerminal();
413 tel.addTag(type, name);
418 public ClassDescriptor parseTypeDecl(ParseNode pn) {
419 ClassDescriptor cn=new ClassDescriptor(pn.getChild("name").getTerminal(), false);
420 if (!isEmpty(pn.getChild("super").getTerminal())) {
421 /* parse superclass name */
422 ParseNode snn=pn.getChild("super").getChild("type").getChild("class").getChild("name");
423 NameDescriptor nd=parseName(snn);
424 cn.setSuper(nd.toString());
426 if (!(cn.getSymbol().equals(TypeUtil.ObjectClass)||
427 cn.getSymbol().equals(TypeUtil.TagClass)))
428 cn.setSuper(TypeUtil.ObjectClass);
430 // check inherited interfaces
431 if (!isEmpty(pn.getChild("superIF").getTerminal())) {
432 /* parse inherited interface name */
433 ParseNode snlist=pn.getChild("superIF").getChild("interface_type_list");
434 ParseNodeVector pnv=snlist.getChildren();
435 for(int i=0; i<pnv.size(); i++) {
436 ParseNode decl=pnv.elementAt(i);
437 if (isNode(decl,"type")) {
438 NameDescriptor nd=parseName(decl.getChild("class").getChild("name"));
439 cn.addSuperInterface(nd.toString());
443 cn.setModifiers(parseModifiersList(pn.getChild("modifiers")));
444 parseClassBody(cn, pn.getChild("classbody"));
446 boolean hasConstructor = false;
447 for(Iterator method_it=cn.getMethods(); method_it.hasNext();) {
448 MethodDescriptor md=(MethodDescriptor)method_it.next();
449 hasConstructor |= md.isConstructor();
451 if((!hasConstructor) && (!cn.isEnum())) {
452 // add a default constructor for this class
453 MethodDescriptor md = new MethodDescriptor(new Modifiers(Modifiers.PUBLIC),
454 cn.getSymbol(), false);
455 BlockNode bn=new BlockNode();
456 state.addTreeCode(md,bn);
457 md.setDefaultConstructor();
463 private void parseClassBody(ClassDescriptor cn, ParseNode pn) {
464 ParseNode decls=pn.getChild("class_body_declaration_list");
466 ParseNodeVector pnv=decls.getChildren();
467 for(int i=0; i<pnv.size(); i++) {
468 ParseNode decl=pnv.elementAt(i);
469 if (isNode(decl,"member")) {
470 parseClassMember(cn,decl);
471 } else if (isNode(decl,"constructor")) {
472 parseConstructorDecl(cn,decl.getChild("constructor_declaration"));
473 } else if (isNode(decl, "static_block")) {
474 parseStaticBlockDecl(cn, decl.getChild("static_block_declaration"));
475 } else if (isNode(decl,"block")) {
476 } else throw new Error();
481 private void parseClassMember(ClassDescriptor cn, ParseNode pn) {
482 ParseNode fieldnode=pn.getChild("field");
483 if (fieldnode!=null) {
484 parseFieldDecl(cn,fieldnode.getChild("field_declaration"));
487 ParseNode methodnode=pn.getChild("method");
488 if (methodnode!=null) {
489 parseMethodDecl(cn,methodnode.getChild("method_declaration"));
492 ParseNode innerclassnode=pn.getChild("inner_class_declaration");
493 if (innerclassnode!=null) {
494 parseInnerClassDecl(cn,innerclassnode);
497 ParseNode enumnode=pn.getChild("enum_declaration");
498 if (enumnode!=null) {
499 parseEnumDecl(cn,enumnode);
501 ParseNode flagnode=pn.getChild("flag");
502 if (flagnode!=null) {
503 parseFlagDecl(cn, flagnode.getChild("flag_declaration"));
506 // in case there are empty node
507 ParseNode emptynode=pn.getChild("empty");
508 if(emptynode != null) {
514 private ClassDescriptor parseInnerClassDecl(ClassDescriptor cn, ParseNode pn) {
515 ClassDescriptor icn=new ClassDescriptor(pn.getChild("name").getTerminal(), false);
516 icn.setAsInnerClass();
517 icn.setSurroundingClass(cn.getSymbol());
518 icn.setSurrounding(cn);
519 cn.addInnerClass(icn);
520 if (!isEmpty(pn.getChild("super").getTerminal())) {
521 /* parse superclass name */
522 ParseNode snn=pn.getChild("super").getChild("type").getChild("class").getChild("name");
523 NameDescriptor nd=parseName(snn);
524 icn.setSuper(nd.toString());
526 if (!(icn.getSymbol().equals(TypeUtil.ObjectClass)||
527 icn.getSymbol().equals(TypeUtil.TagClass)))
528 icn.setSuper(TypeUtil.ObjectClass);
530 // check inherited interfaces
531 if (!isEmpty(pn.getChild("superIF").getTerminal())) {
532 /* parse inherited interface name */
533 ParseNode snlist=pn.getChild("superIF").getChild("interface_type_list");
534 ParseNodeVector pnv=snlist.getChildren();
535 for(int i=0; i<pnv.size(); i++) {
536 ParseNode decl=pnv.elementAt(i);
537 if (isNode(decl,"type")) {
538 NameDescriptor nd=parseName(decl.getChild("class").getChild("name"));
539 icn.addSuperInterface(nd.toString());
543 icn.setModifiers(parseModifiersList(pn.getChild("modifiers")));
544 if(!icn.isStatic()) {
545 throw new Error("Error: inner class " + icn.getSymbol() + " in Class " +
546 cn.getSymbol() + " is not a nested class and is not supported yet!");
548 parseClassBody(icn, pn.getChild("classbody"));
552 private TypeDescriptor parseTypeDescriptor(ParseNode pn) {
553 ParseNode tn=pn.getChild("type");
554 String type_st=tn.getTerminal();
555 if(type_st.equals("byte")) {
556 return state.getTypeDescriptor(TypeDescriptor.BYTE);
557 } else if(type_st.equals("short")) {
558 return state.getTypeDescriptor(TypeDescriptor.SHORT);
559 } else if(type_st.equals("boolean")) {
560 return state.getTypeDescriptor(TypeDescriptor.BOOLEAN);
561 } else if(type_st.equals("int")) {
562 return state.getTypeDescriptor(TypeDescriptor.INT);
563 } else if(type_st.equals("long")) {
564 return state.getTypeDescriptor(TypeDescriptor.LONG);
565 } else if(type_st.equals("char")) {
566 return state.getTypeDescriptor(TypeDescriptor.CHAR);
567 } else if(type_st.equals("float")) {
568 return state.getTypeDescriptor(TypeDescriptor.FLOAT);
569 } else if(type_st.equals("double")) {
570 return state.getTypeDescriptor(TypeDescriptor.DOUBLE);
571 } else if(type_st.equals("class")) {
572 ParseNode nn=tn.getChild("class");
573 return state.getTypeDescriptor(parseName(nn.getChild("name")));
574 } else if(type_st.equals("array")) {
575 ParseNode nn=tn.getChild("array");
576 TypeDescriptor td=parseTypeDescriptor(nn.getChild("basetype"));
577 Integer numdims=(Integer)nn.getChild("dims").getLiteral();
578 for(int i=0; i<numdims.intValue(); i++)
579 td=td.makeArray(state);
582 System.out.println(pn.PPrint(2, true));
587 private NameDescriptor parseName(ParseNode nn) {
588 ParseNode base=nn.getChild("base");
589 ParseNode id=nn.getChild("identifier");
591 return new NameDescriptor(id.getTerminal());
592 return new NameDescriptor(parseName(base.getChild("name")),id.getTerminal());
596 private void parseFlagDecl(ClassDescriptor cn,ParseNode pn) {
597 String name=pn.getChild("name").getTerminal();
598 FlagDescriptor flag=new FlagDescriptor(name);
599 if (pn.getChild("external")!=null)
604 private void parseFieldDecl(ClassDescriptor cn,ParseNode pn) {
605 ParseNode mn=pn.getChild("modifier");
606 Modifiers m=parseModifiersList(mn);
607 if(cn.isInterface()) {
608 // TODO add version for normal Java later
609 // Can only be PUBLIC or STATIC or FINAL
610 if((m.isAbstract()) || (m.isAtomic()) || (m.isNative())
611 || (m.isSynchronized())) {
612 throw new Error("Error: field in Interface " + cn.getSymbol() + "can only be PUBLIC or STATIC or FINAL");
614 m.addModifier(Modifiers.PUBLIC);
615 m.addModifier(Modifiers.STATIC);
616 m.addModifier(Modifiers.FINAL);
619 ParseNode tn=pn.getChild("type");
620 TypeDescriptor t=parseTypeDescriptor(tn);
621 ParseNode vn=pn.getChild("variables").getChild("variable_declarators_list");
622 ParseNodeVector pnv=vn.getChildren();
623 boolean isglobal=pn.getChild("global")!=null;
625 for(int i=0; i<pnv.size(); i++) {
626 ParseNode vardecl=pnv.elementAt(i);
627 ParseNode tmp=vardecl;
628 TypeDescriptor arrayt=t;
629 while (tmp.getChild("single")==null) {
630 arrayt=arrayt.makeArray(state);
631 tmp=tmp.getChild("array");
633 String identifier=tmp.getChild("single").getTerminal();
634 ParseNode epn=vardecl.getChild("initializer");
636 ExpressionNode en=null;
638 en=parseExpression(epn.getFirstChild());
640 // for static field, the initializer should be considered as a
642 boolean isfirst = false;
643 MethodDescriptor md = (MethodDescriptor)cn.getMethodTable().getFromSameScope("staticblocks");
645 // the first static block for this class
646 Modifiers m_i=new Modifiers();
647 m_i.addModifier(Modifiers.STATIC);
648 md = new MethodDescriptor(m_i, "staticblocks", false);
649 md.setAsStaticBlock();
655 cn.incStaticBlocks();
656 BlockNode bn=new BlockNode();
657 NameNode nn=new NameNode(new NameDescriptor(identifier));
658 AssignmentNode an=new AssignmentNode(nn,en,new AssignOperation(1));
659 bn.addBlockStatement(new BlockExpressionNode(an));
661 state.addTreeCode(md,bn);
663 BlockNode obn = state.getMethodBody(md);
664 for(int ii = 0; ii < bn.size(); ii++) {
665 BlockStatementNode bsn = bn.get(ii);
666 obn.addBlockStatement(bsn);
668 state.addTreeCode(md, obn);
675 cn.addField(new FieldDescriptor(m, arrayt, identifier, en, isglobal));
679 private ExpressionNode parseExpression(ParseNode pn) {
680 if (isNode(pn,"assignment"))
681 return parseAssignmentExpression(pn);
682 else if (isNode(pn,"logical_or")||isNode(pn,"logical_and")||
683 isNode(pn,"bitwise_or")||isNode(pn,"bitwise_xor")||
684 isNode(pn,"bitwise_and")||isNode(pn,"equal")||
685 isNode(pn,"not_equal")||isNode(pn,"comp_lt")||
686 isNode(pn,"comp_lte")||isNode(pn,"comp_gt")||
687 isNode(pn,"comp_gte")||isNode(pn,"leftshift")||
688 isNode(pn,"rightshift")||isNode(pn,"sub")||
689 isNode(pn,"urightshift")||isNode(pn,"sub")||
690 isNode(pn,"add")||isNode(pn,"mult")||
691 isNode(pn,"div")||isNode(pn,"mod")) {
692 ParseNodeVector pnv=pn.getChildren();
693 ParseNode left=pnv.elementAt(0);
694 ParseNode right=pnv.elementAt(1);
695 Operation op=new Operation(pn.getLabel());
696 return new OpNode(parseExpression(left),parseExpression(right),op);
697 } else if (isNode(pn,"unaryplus")||
698 isNode(pn,"unaryminus")||
701 ParseNode left=pn.getFirstChild();
702 Operation op=new Operation(pn.getLabel());
703 return new OpNode(parseExpression(left),op);
704 } else if (isNode(pn,"postinc")||
705 isNode(pn,"postdec")) {
706 ParseNode left=pn.getFirstChild();
707 AssignOperation op=new AssignOperation(pn.getLabel());
708 return new AssignmentNode(parseExpression(left),null,op);
710 } else if (isNode(pn,"preinc")||
711 isNode(pn,"predec")) {
712 ParseNode left=pn.getFirstChild();
713 AssignOperation op=isNode(pn,"preinc") ? new AssignOperation(AssignOperation.PLUSEQ) : new AssignOperation(AssignOperation.MINUSEQ);
714 return new AssignmentNode(parseExpression(left),
715 new LiteralNode("integer",new Integer(1)),op);
716 } else if (isNode(pn,"literal")) {
717 String literaltype=pn.getTerminal();
718 ParseNode literalnode=pn.getChild(literaltype);
719 Object literal_obj=literalnode.getLiteral();
720 return new LiteralNode(literaltype, literal_obj);
721 } else if (isNode(pn,"createobject")) {
722 TypeDescriptor td=parseTypeDescriptor(pn);
724 Vector args=parseArgumentList(pn);
725 boolean isglobal=pn.getChild("global")!=null||
726 pn.getChild("scratch")!=null;
727 String disjointId=null;
728 if( pn.getChild("disjoint") != null) {
729 disjointId = pn.getChild("disjoint").getTerminal();
731 CreateObjectNode con=new CreateObjectNode(td, isglobal, disjointId);
732 for(int i=0; i<args.size(); i++) {
733 con.addArgument((ExpressionNode)args.get(i));
735 /* Could have flag set or tag added here */
736 if (pn.getChild("flag_list")!=null||pn.getChild("tag_list")!=null) {
737 FlagEffects fe=new FlagEffects(null);
738 if (pn.getChild("flag_list")!=null)
739 parseFlagEffect(fe, pn.getChild("flag_list"));
741 if (pn.getChild("tag_list")!=null)
742 parseTagEffect(fe, pn.getChild("tag_list"));
743 con.addFlagEffects(fe);
747 } else if (isNode(pn,"createarray")) {
748 //System.out.println(pn.PPrint(3,true));
749 boolean isglobal=pn.getChild("global")!=null||
750 pn.getChild("scratch")!=null;
751 String disjointId=null;
752 if( pn.getChild("disjoint") != null) {
753 disjointId = pn.getChild("disjoint").getTerminal();
755 TypeDescriptor td=parseTypeDescriptor(pn);
756 Vector args=parseDimExprs(pn);
758 if (pn.getChild("dims_opt").getLiteral()!=null)
759 num=((Integer)pn.getChild("dims_opt").getLiteral()).intValue();
760 for(int i=0; i<(args.size()+num); i++)
761 td=td.makeArray(state);
762 CreateObjectNode con=new CreateObjectNode(td, isglobal, disjointId);
763 for(int i=0; i<args.size(); i++) {
764 con.addArgument((ExpressionNode)args.get(i));
767 } if (isNode(pn,"createarray2")) {
768 TypeDescriptor td=parseTypeDescriptor(pn);
770 if (pn.getChild("dims_opt").getLiteral()!=null)
771 num=((Integer)pn.getChild("dims_opt").getLiteral()).intValue();
772 for(int i=0; i<num; i++)
773 td=td.makeArray(state);
774 CreateObjectNode con=new CreateObjectNode(td, false, null);
775 // TODO array initializers
776 ParseNode ipn = pn.getChild("initializer");
777 Vector initializers=parseVariableInitializerList(ipn);
778 ArrayInitializerNode ain = new ArrayInitializerNode(initializers);
779 con.addArrayInitializer(ain);
781 } else if (isNode(pn,"name")) {
782 NameDescriptor nd=parseName(pn);
783 return new NameNode(nd);
784 } else if (isNode(pn,"this")) {
785 NameDescriptor nd=new NameDescriptor("this");
786 return new NameNode(nd);
787 } else if (isNode(pn,"isavailable")) {
788 NameDescriptor nd=new NameDescriptor(pn.getTerminal());
789 return new OpNode(new NameNode(nd),null,new Operation(Operation.ISAVAILABLE));
790 } else if (isNode(pn,"methodinvoke1")) {
791 NameDescriptor nd=parseName(pn.getChild("name"));
792 Vector args=parseArgumentList(pn);
793 MethodInvokeNode min=new MethodInvokeNode(nd);
794 for(int i=0; i<args.size(); i++) {
795 min.addArgument((ExpressionNode)args.get(i));
798 } else if (isNode(pn,"methodinvoke2")) {
799 String methodid=pn.getChild("id").getTerminal();
800 ExpressionNode exp=parseExpression(pn.getChild("base").getFirstChild());
801 Vector args=parseArgumentList(pn);
802 MethodInvokeNode min=new MethodInvokeNode(methodid,exp);
803 for(int i=0; i<args.size(); i++) {
804 min.addArgument((ExpressionNode)args.get(i));
807 } else if (isNode(pn,"fieldaccess")) {
808 ExpressionNode en=parseExpression(pn.getChild("base").getFirstChild());
809 String fieldname=pn.getChild("field").getTerminal();
810 return new FieldAccessNode(en,fieldname);
811 } else if (isNode(pn,"arrayaccess")) {
812 ExpressionNode en=parseExpression(pn.getChild("base").getFirstChild());
813 ExpressionNode index=parseExpression(pn.getChild("index").getFirstChild());
814 return new ArrayAccessNode(en,index);
815 } else if (isNode(pn,"cast1")) {
817 return new CastNode(parseTypeDescriptor(pn.getChild("type")),parseExpression(pn.getChild("exp").getFirstChild()));
818 } catch (Exception e) {
819 System.out.println(pn.PPrint(1,true));
823 } else if (isNode(pn,"cast2")) {
824 return new CastNode(parseExpression(pn.getChild("type").getFirstChild()),parseExpression(pn.getChild("exp").getFirstChild()));
825 } else if (isNode(pn, "getoffset")) {
826 TypeDescriptor td=parseTypeDescriptor(pn);
827 String fieldname = pn.getChild("field").getTerminal();
828 //System.out.println("Checking the values of: "+ " td.toString()= " + td.toString()+ " fieldname= " + fieldname);
829 return new OffsetNode(td, fieldname);
830 } else if (isNode(pn, "tert")) {
831 return new TertiaryNode(parseExpression(pn.getChild("cond").getFirstChild()),
832 parseExpression(pn.getChild("trueexpr").getFirstChild()),
833 parseExpression(pn.getChild("falseexpr").getFirstChild()) );
834 } else if (isNode(pn, "instanceof")) {
835 ExpressionNode exp=parseExpression(pn.getChild("exp").getFirstChild());
836 TypeDescriptor t=parseTypeDescriptor(pn);
837 return new InstanceOfNode(exp,t);
838 } else if (isNode(pn, "array_initializer")) {
839 Vector initializers=parseVariableInitializerList(pn);
840 return new ArrayInitializerNode(initializers);
841 } else if (isNode(pn, "class_type")) {
842 TypeDescriptor td=parseTypeDescriptor(pn);
843 return new ClassTypeNode(td);
844 } else if (isNode(pn, "empty")) {
847 System.out.println("---------------------");
848 System.out.println(pn.PPrint(3,true));
853 private Vector parseDimExprs(ParseNode pn) {
854 Vector arglist=new Vector();
855 ParseNode an=pn.getChild("dim_exprs");
856 if (an==null) /* No argument list */
858 ParseNodeVector anv=an.getChildren();
859 for(int i=0; i<anv.size(); i++) {
860 arglist.add(parseExpression(anv.elementAt(i)));
865 private Vector parseArgumentList(ParseNode pn) {
866 Vector arglist=new Vector();
867 ParseNode an=pn.getChild("argument_list");
868 if (an==null) /* No argument list */
870 ParseNodeVector anv=an.getChildren();
871 for(int i=0; i<anv.size(); i++) {
872 arglist.add(parseExpression(anv.elementAt(i)));
877 private Vector[] parseConsArgumentList(ParseNode pn) {
878 Vector arglist=new Vector();
879 Vector varlist=new Vector();
880 ParseNode an=pn.getChild("cons_argument_list");
881 if (an==null) /* No argument list */
882 return new Vector[] {varlist, arglist};
883 ParseNodeVector anv=an.getChildren();
884 for(int i=0; i<anv.size(); i++) {
885 ParseNode cpn=anv.elementAt(i);
886 ParseNode var=cpn.getChild("var");
887 ParseNode exp=cpn.getChild("exp").getFirstChild();
888 varlist.add(var.getTerminal());
889 arglist.add(parseExpression(exp));
891 return new Vector[] {varlist, arglist};
894 private Vector parseVariableInitializerList(ParseNode pn) {
895 Vector varInitList=new Vector();
896 ParseNode vin=pn.getChild("var_init_list");
897 if (vin==null) /* No argument list */
899 ParseNodeVector vinv=vin.getChildren();
900 for(int i=0; i<vinv.size(); i++) {
901 varInitList.add(parseExpression(vinv.elementAt(i)));
906 private ExpressionNode parseAssignmentExpression(ParseNode pn) {
907 AssignOperation ao=new AssignOperation(pn.getChild("op").getTerminal());
908 ParseNodeVector pnv=pn.getChild("args").getChildren();
910 AssignmentNode an=new AssignmentNode(parseExpression(pnv.elementAt(0)),parseExpression(pnv.elementAt(1)),ao);
915 private void parseMethodDecl(ClassDescriptor cn, ParseNode pn) {
916 ParseNode headern=pn.getChild("method_header");
917 ParseNode bodyn=pn.getChild("body");
918 MethodDescriptor md=parseMethodHeader(headern);
920 BlockNode bn=parseBlock(bodyn);
922 state.addTreeCode(md,bn);
924 // this is a hack for investigating new language features
925 // at the AST level, someday should evolve into a nice compiler
927 //if( cn.getSymbol().equals( ***put a class in here like: "Test" ) &&
928 // md.getSymbol().equals( ***put your method in here like: "main" )
930 // bn.setStyle( BlockNode.NORMAL );
931 // System.out.println( bn.printNode( 0 ) );
934 } catch (Exception e) {
935 System.out.println("Error with method:"+md.getSymbol());
939 System.out.println("Error with method:"+md.getSymbol());
945 private void parseConstructorDecl(ClassDescriptor cn, ParseNode pn) {
946 ParseNode mn=pn.getChild("modifiers");
947 Modifiers m=parseModifiersList(mn);
948 ParseNode cdecl=pn.getChild("constructor_declarator");
949 boolean isglobal=cdecl.getChild("global")!=null;
950 String name=cdecl.getChild("name").getChild("identifier").getTerminal();
951 MethodDescriptor md=new MethodDescriptor(m, name, isglobal);
952 ParseNode paramnode=cdecl.getChild("parameters");
953 parseParameterList(md,paramnode);
954 ParseNode bodyn0=pn.getChild("body");
955 ParseNode bodyn=bodyn0.getChild("constructor_body");
958 if (bodyn!=null&&bodyn.getChild("block_statement_list")!=null)
959 bn=parseBlock(bodyn);
962 if (bodyn!=null&&bodyn.getChild("superinvoke")!=null) {
963 ParseNode sin=bodyn.getChild("superinvoke");
964 NameDescriptor nd=new NameDescriptor("super");
965 Vector args=parseArgumentList(sin);
966 MethodInvokeNode min=new MethodInvokeNode(nd);
967 for(int i=0; i<args.size(); i++) {
968 min.addArgument((ExpressionNode)args.get(i));
970 BlockExpressionNode ben=new BlockExpressionNode(min);
971 bn.addFirstBlockStatement(ben);
973 } else if (bodyn!=null&&bodyn.getChild("explconstrinv")!=null) {
974 ParseNode eci=bodyn.getChild("explconstrinv");
975 NameDescriptor nd=new NameDescriptor(cn.getSymbol());
976 Vector args=parseArgumentList(eci);
977 MethodInvokeNode min=new MethodInvokeNode(nd);
978 for(int i=0; i<args.size(); i++) {
979 min.addArgument((ExpressionNode)args.get(i));
981 BlockExpressionNode ben=new BlockExpressionNode(min);
982 bn.addFirstBlockStatement(ben);
984 state.addTreeCode(md,bn);
987 private void parseStaticBlockDecl(ClassDescriptor cn, ParseNode pn) {
988 // Each class maintains one MethodDecscriptor which combines all its
989 // static blocks in their declaration order
990 boolean isfirst = false;
991 MethodDescriptor md = (MethodDescriptor)cn.getMethodTable().getFromSameScope("staticblocks");
993 // the first static block for this class
994 Modifiers m_i=new Modifiers();
995 m_i.addModifier(Modifiers.STATIC);
996 md = new MethodDescriptor(m_i, "staticblocks", false);
997 md.setAsStaticBlock();
1000 ParseNode bodyn=pn.getChild("body");
1004 cn.incStaticBlocks();
1006 if (bodyn!=null&&bodyn.getChild("block_statement_list")!=null)
1007 bn=parseBlock(bodyn);
1011 state.addTreeCode(md,bn);
1013 BlockNode obn = state.getMethodBody(md);
1014 for(int i = 0; i < bn.size(); i++) {
1015 BlockStatementNode bsn = bn.get(i);
1016 obn.addBlockStatement(bsn);
1018 state.addTreeCode(md, obn);
1023 public BlockNode parseBlock(ParseNode pn) {
1024 this.m_taskexitnum = 0;
1025 if (pn==null||isEmpty(pn.getTerminal()))
1026 return new BlockNode();
1027 ParseNode bsn=pn.getChild("block_statement_list");
1028 return parseBlockHelper(bsn);
1031 private BlockNode parseBlockHelper(ParseNode pn) {
1032 ParseNodeVector pnv=pn.getChildren();
1033 BlockNode bn=new BlockNode();
1034 for(int i=0; i<pnv.size(); i++) {
1035 Vector bsv=parseBlockStatement(pnv.elementAt(i));
1036 for(int j=0; j<bsv.size(); j++) {
1037 bn.addBlockStatement((BlockStatementNode)bsv.get(j));
1043 public BlockNode parseSingleBlock(ParseNode pn) {
1044 BlockNode bn=new BlockNode();
1045 Vector bsv=parseBlockStatement(pn);
1046 for(int j=0; j<bsv.size(); j++) {
1047 bn.addBlockStatement((BlockStatementNode)bsv.get(j));
1049 bn.setStyle(BlockNode.NOBRACES);
1053 public Vector parseSESEBlock(Vector parentbs, ParseNode pn) {
1054 ParseNodeVector pnv=pn.getChildren();
1055 Vector bv=new Vector();
1056 for(int i=0; i<pnv.size(); i++) {
1057 bv.addAll(parseBlockStatement(pnv.elementAt(i)));
1062 public Vector parseBlockStatement(ParseNode pn) {
1063 Vector blockstatements=new Vector();
1064 if (isNode(pn,"tag_declaration")) {
1065 String name=pn.getChild("single").getTerminal();
1066 String type=pn.getChild("type").getTerminal();
1068 blockstatements.add(new TagDeclarationNode(name, type));
1069 } else if (isNode(pn,"local_variable_declaration")) {
1071 ParseNode mn=pn.getChild("modifiers");
1073 Modifiers m=parseModifiersList(mn);
1074 // TODO: add annotations to corresponding descriptor
1076 TypeDescriptor t=parseTypeDescriptor(pn);
1077 ParseNode vn=pn.getChild("variable_declarators_list");
1078 ParseNodeVector pnv=vn.getChildren();
1079 for(int i=0; i<pnv.size(); i++) {
1080 ParseNode vardecl=pnv.elementAt(i);
1083 ParseNode tmp=vardecl;
1084 TypeDescriptor arrayt=t;
1085 while (tmp.getChild("single")==null) {
1086 arrayt=arrayt.makeArray(state);
1087 tmp=tmp.getChild("array");
1089 String identifier=tmp.getChild("single").getTerminal();
1091 ParseNode epn=vardecl.getChild("initializer");
1094 ExpressionNode en=null;
1096 en=parseExpression(epn.getFirstChild());
1098 blockstatements.add(new DeclarationNode(new VarDescriptor(arrayt, identifier),en));
1100 } else if (isNode(pn,"nop")) {
1102 } else if (isNode(pn,"expression")) {
1103 blockstatements.add(new BlockExpressionNode(parseExpression(pn.getFirstChild())));
1104 } else if (isNode(pn,"ifstatement")) {
1105 blockstatements.add(new IfStatementNode(parseExpression(pn.getChild("condition").getFirstChild()),
1106 parseSingleBlock(pn.getChild("statement").getFirstChild()),
1107 pn.getChild("else_statement")!=null ? parseSingleBlock(pn.getChild("else_statement").getFirstChild()) : null));
1108 } else if (isNode(pn,"switch_statement")) {
1109 // TODO add version for normal Java later
1110 blockstatements.add(new SwitchStatementNode(parseExpression(pn.getChild("condition").getFirstChild()),
1111 parseSingleBlock(pn.getChild("statement").getFirstChild())));
1112 } else if (isNode(pn,"switch_block_list")) {
1113 // TODO add version for normal Java later
1114 ParseNodeVector pnv=pn.getChildren();
1115 for(int i=0; i<pnv.size(); i++) {
1116 ParseNode sblockdecl=pnv.elementAt(i);
1118 if(isNode(sblockdecl, "switch_block")) {
1119 ParseNode lpn=sblockdecl.getChild("switch_labels").getChild("switch_label_list");
1120 ParseNodeVector labelv=lpn.getChildren();
1121 Vector<SwitchLabelNode> slv = new Vector<SwitchLabelNode>();
1122 for(int j=0; j<labelv.size(); j++) {
1123 ParseNode labeldecl=labelv.elementAt(j);
1124 if(isNode(labeldecl, "switch_label")) {
1125 slv.addElement(new SwitchLabelNode(parseExpression(labeldecl.getChild("constant_expression").getFirstChild()), false));
1126 } else if(isNode(labeldecl, "default_switch_label")) {
1127 slv.addElement(new SwitchLabelNode(null, true));
1131 blockstatements.add(new SwitchBlockNode(slv,
1132 parseSingleBlock(sblockdecl.getChild("switch_statements").getFirstChild())));
1136 } else if (isNode(pn, "trycatchstatement")) {
1137 // TODO add version for normal Java later
1138 // Do not fully support exceptions now. Only make sure that if there are no
1139 // exceptions thrown, the execution is right
1140 ParseNode tpn = pn.getChild("tryblock").getFirstChild();
1141 BlockNode bn=parseBlockHelper(tpn);
1142 blockstatements.add(new SubBlockNode(bn));
1144 ParseNode fbk = pn.getChild("finallyblock");
1146 ParseNode fpn = fbk.getFirstChild();
1147 BlockNode fbn=parseBlockHelper(fpn);
1148 blockstatements.add(new SubBlockNode(fbn));
1150 } else if (isNode(pn, "throwstatement")) {
1151 // TODO Simply return here
1152 //blockstatements.add(new ReturnNode());
1153 } else if (isNode(pn,"taskexit")) {
1155 if (pn.getChild("flag_effects_list")!=null)
1156 vfe=parseFlags(pn.getChild("flag_effects_list"));
1158 if (pn.getChild("cons_checks")!=null)
1159 ccs=parseChecks(pn.getChild("cons_checks"));
1161 blockstatements.add(new TaskExitNode(vfe, ccs, this.m_taskexitnum++));
1162 } else if (isNode(pn,"atomic")) {
1163 BlockNode bn=parseBlockHelper(pn);
1164 blockstatements.add(new AtomicNode(bn));
1165 } else if (isNode(pn,"synchronized")) {
1166 BlockNode bn=parseBlockHelper(pn.getChild("block"));
1167 ExpressionNode en=parseExpression(pn.getChild("expr").getFirstChild());
1168 blockstatements.add(new SynchronizedNode(en, bn));
1169 } else if (isNode(pn,"return")) {
1170 if (isEmpty(pn.getTerminal()))
1171 blockstatements.add(new ReturnNode());
1173 ExpressionNode en=parseExpression(pn.getFirstChild());
1174 blockstatements.add(new ReturnNode(en));
1176 } else if (isNode(pn,"block_statement_list")) {
1177 BlockNode bn=parseBlockHelper(pn);
1178 blockstatements.add(new SubBlockNode(bn));
1179 } else if (isNode(pn,"empty")) {
1181 } else if (isNode(pn,"statement_expression_list")) {
1182 ParseNodeVector pnv=pn.getChildren();
1183 BlockNode bn=new BlockNode();
1184 for(int i=0; i<pnv.size(); i++) {
1185 ExpressionNode en=parseExpression(pnv.elementAt(i));
1186 blockstatements.add(new BlockExpressionNode(en));
1188 bn.setStyle(BlockNode.EXPRLIST);
1189 } else if (isNode(pn,"forstatement")) {
1190 BlockNode init=parseSingleBlock(pn.getChild("initializer").getFirstChild());
1191 BlockNode update=parseSingleBlock(pn.getChild("update").getFirstChild());
1192 ExpressionNode condition=parseExpression(pn.getChild("condition").getFirstChild());
1193 BlockNode body=parseSingleBlock(pn.getChild("statement").getFirstChild());
1194 if(condition == null) {
1195 // no condition clause, make a 'true' expression as the condition
1196 condition = (ExpressionNode)new LiteralNode("boolean", new Boolean(true));
1198 blockstatements.add(new LoopNode(init,condition,update,body));
1199 } else if (isNode(pn,"whilestatement")) {
1200 ExpressionNode condition=parseExpression(pn.getChild("condition").getFirstChild());
1201 BlockNode body=parseSingleBlock(pn.getChild("statement").getFirstChild());
1202 if(condition == null) {
1203 // no condition clause, make a 'true' expression as the condition
1204 condition = (ExpressionNode)new LiteralNode("boolean", new Boolean(true));
1206 blockstatements.add(new LoopNode(condition,body,LoopNode.WHILELOOP));
1207 } else if (isNode(pn,"dowhilestatement")) {
1208 ExpressionNode condition=parseExpression(pn.getChild("condition").getFirstChild());
1209 BlockNode body=parseSingleBlock(pn.getChild("statement").getFirstChild());
1210 if(condition == null) {
1211 // no condition clause, make a 'true' expression as the condition
1212 condition = (ExpressionNode)new LiteralNode("boolean", new Boolean(true));
1214 blockstatements.add(new LoopNode(condition,body,LoopNode.DOWHILELOOP));
1215 } else if (isNode(pn,"sese")) {
1216 ParseNode pnID=pn.getChild("identifier");
1218 if( pnID != null ) { stID=pnID.getFirstChild().getTerminal(); }
1219 SESENode start=new SESENode(stID);
1220 SESENode end =new SESENode(stID);
1221 start.setEnd( end );
1222 end.setStart( start );
1223 blockstatements.add(start);
1224 blockstatements.addAll(parseSESEBlock(blockstatements,pn.getChild("body").getFirstChild()));
1225 blockstatements.add(end);
1226 } else if (isNode(pn,"continue")) {
1227 blockstatements.add(new ContinueBreakNode(false));
1228 } else if (isNode(pn,"break")) {
1229 blockstatements.add(new ContinueBreakNode(true));
1231 } else if (isNode(pn,"genreach")) {
1232 String graphName = pn.getChild("graphName").getTerminal();
1233 blockstatements.add( new GenReachNode( graphName ) );
1236 System.out.println("---------------");
1237 System.out.println(pn.PPrint(3,true));
1240 return blockstatements;
1243 public MethodDescriptor parseMethodHeader(ParseNode pn) {
1244 ParseNode mn=pn.getChild("modifiers");
1245 Modifiers m=parseModifiersList(mn);
1247 ParseNode tn=pn.getChild("returntype");
1248 TypeDescriptor returntype;
1250 returntype=parseTypeDescriptor(tn);
1252 returntype=new TypeDescriptor(TypeDescriptor.VOID);
1254 ParseNode pmd=pn.getChild("method_declarator");
1255 String name=pmd.getChild("name").getTerminal();
1256 MethodDescriptor md=new MethodDescriptor(m, returntype, name);
1258 ParseNode paramnode=pmd.getChild("parameters");
1259 parseParameterList(md,paramnode);
1263 public void parseParameterList(MethodDescriptor md, ParseNode pn) {
1264 ParseNode paramlist=pn.getChild("formal_parameter_list");
1265 if (paramlist==null)
1267 ParseNodeVector pnv=paramlist.getChildren();
1268 for(int i=0; i<pnv.size(); i++) {
1269 ParseNode paramn=pnv.elementAt(i);
1271 if (isNode(paramn, "tag_parameter")) {
1272 String paramname=paramn.getChild("single").getTerminal();
1273 TypeDescriptor type=new TypeDescriptor(TypeDescriptor.TAG);
1274 md.addTagParameter(type, paramname);
1276 TypeDescriptor type=parseTypeDescriptor(paramn);
1278 ParseNode tmp=paramn;
1279 while (tmp.getChild("single")==null) {
1280 type=type.makeArray(state);
1281 tmp=tmp.getChild("array");
1283 String paramname=tmp.getChild("single").getTerminal();
1285 md.addParameter(type, paramname);
1290 public Modifiers parseModifiersList(ParseNode pn) {
1291 Modifiers m=new Modifiers();
1292 ParseNode modlist=pn.getChild("modifier_list");
1293 if (modlist!=null) {
1294 ParseNodeVector pnv=modlist.getChildren();
1295 for(int i=0; i<pnv.size(); i++) {
1296 ParseNode modn=pnv.elementAt(i);
1297 if (isNode(modn,"public"))
1298 m.addModifier(Modifiers.PUBLIC);
1299 else if (isNode(modn,"protected"))
1300 m.addModifier(Modifiers.PROTECTED);
1301 else if (isNode(modn,"private"))
1302 m.addModifier(Modifiers.PRIVATE);
1303 else if (isNode(modn,"static"))
1304 m.addModifier(Modifiers.STATIC);
1305 else if (isNode(modn,"final"))
1306 m.addModifier(Modifiers.FINAL);
1307 else if (isNode(modn,"native"))
1308 m.addModifier(Modifiers.NATIVE);
1309 else if (isNode(modn,"synchronized"))
1310 m.addModifier(Modifiers.SYNCHRONIZED);
1311 else if (isNode(modn,"atomic"))
1312 m.addModifier(Modifiers.ATOMIC);
1313 else if (isNode(modn,"abstract"))
1314 m.addModifier(Modifiers.ABSTRACT);
1315 else if (isNode(modn,"volatile"))
1316 m.addModifier(Modifiers.VOLATILE);
1317 else if (isNode(modn,"transient"))
1318 m.addModifier(Modifiers.TRANSIENT);
1319 else if(isNode(modn,"annotation_list"))
1320 parseAnnotationList(modn,m);
1322 throw new Error("Unrecognized Modifier:"+modn.getLabel());}
1328 private void parseAnnotationList(ParseNode pn, Modifiers m){
1329 ParseNodeVector pnv=pn.getChildren();
1330 for(int i=0; i<pnv.size(); i++) {
1331 ParseNode body_list=pnv.elementAt(i);
1332 if(isNode(body_list,"annotation_body")){
1333 ParseNode body_node=body_list.getFirstChild();
1334 if (isNode(body_node,"marker_annotation")){
1335 m.addAnnotation(new AnnotationNode(body_node.getChild("name").getTerminal()));
1336 }else if(isNode(body_node,"single_annotation")){
1337 throw new Error("Annotation with single piece of data is not supported yet.");
1338 } else if(isNode(body_node,"normal_annotation")){
1339 throw new Error("Annotation with multiple data members is not supported yet.");
1345 private boolean isNode(ParseNode pn, String label) {
1346 if (pn.getLabel().equals(label))
1351 private static boolean isEmpty(ParseNode pn) {
1352 if (pn.getLabel().equals("empty"))
1358 private static boolean isEmpty(String s) {
1359 if (s.equals("empty"))
1365 /** Throw an exception if something is unexpected */
1366 private void check(ParseNode pn, String label) {
1368 throw new Error(pn+ "IE: Expected '" + label + "', got null");
1370 if (!pn.getLabel().equals(label)) {
1371 throw new Error(pn+ "IE: Expected '" + label + "', got '"+pn.getLabel()+"'");