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
61 // TODO add version for normal Java later
62 HashSet tovisit = new HashSet();
63 Iterator it_icds = cn.getInnerClasses();
64 while(it_icds.hasNext()) {
65 tovisit.add(it_icds.next());
68 while(!tovisit.isEmpty()) {
69 ClassDescriptor cd = (ClassDescriptor)tovisit.iterator().next();
71 parseInitializers(cd);
72 if(toanalyze != null) {
77 Iterator it_ics = cd.getInnerClasses();
78 while(it_ics.hasNext()) {
79 tovisit.add(it_ics.next());
82 Iterator it_ienums = cd.getEnum();
83 while(it_ienums.hasNext()) {
84 ClassDescriptor iecd = (ClassDescriptor)it_ienums.next();
85 if(toanalyze != null) {
92 Iterator it_enums = cn.getEnum();
93 while(it_enums.hasNext()) {
94 ClassDescriptor ecd = (ClassDescriptor)it_enums.next();
95 if(toanalyze != null) {
101 } else if (isNode(type_pn,"task_declaration")) {
102 TaskDescriptor td=parseTaskDecl(type_pn);
106 } else if ((state.MGC) && isNode(type_pn,"interface_declaration")) {
107 // TODO add version for normal Java later
108 ClassDescriptor cn = parseInterfaceDecl(type_pn);
115 // TODO add version for normal Java later
116 Iterator it_enums = cn.getEnum();
117 while(it_enums.hasNext()) {
118 ClassDescriptor ecd = (ClassDescriptor)it_enums.next();
119 if(toanalyze != null) {
125 } else if ((state.MGC) && isNode(type_pn,"enum_declaration")) {
126 // TODO add version for normal Java later
127 ClassDescriptor cn = parseEnumDecl(null, type_pn);
132 throw new Error(type_pn.getLabel());
138 public void parseInitializers(ClassDescriptor cn){
139 Vector fv=cn.getFieldVec();
140 for(int i=0;i<fv.size();i++) {
141 FieldDescriptor fd=(FieldDescriptor)fv.get(i);
142 if(fd.getExpressionNode()!=null) {
143 Iterator methodit = cn.getMethods();
144 while(methodit.hasNext()){
145 MethodDescriptor currmd=(MethodDescriptor)methodit.next();
146 if(currmd.isConstructor()){
147 BlockNode bn=state.getMethodBody(currmd);
148 NameNode nn=new NameNode(new NameDescriptor(fd.getSymbol()));
149 AssignmentNode an=new AssignmentNode(nn,fd.getExpressionNode(),new AssignOperation(1));
150 bn.addFirstBlockStatement(new BlockExpressionNode(an));
157 private ClassDescriptor parseEnumDecl(ClassDescriptor cn, ParseNode pn) {
158 ClassDescriptor ecd=new ClassDescriptor(pn.getChild("name").getTerminal(), false);
161 ecd.setSurroundingClass(cn.getSymbol());
162 ecd.setSurrounding(cn);
165 if (!(ecd.getSymbol().equals(TypeUtil.ObjectClass)||
166 ecd.getSymbol().equals(TypeUtil.TagClass))) {
167 ecd.setSuper(TypeUtil.ObjectClass);
169 ecd.setModifiers(parseModifiersList(pn.getChild("modifiers")));
170 parseEnumBody(ecd, pn.getChild("enumbody"));
174 private void parseEnumBody(ClassDescriptor cn, ParseNode pn) {
175 ParseNode decls=pn.getChild("enum_constants_list");
177 ParseNodeVector pnv=decls.getChildren();
178 for(int i=0; i<pnv.size(); i++) {
179 ParseNode decl=pnv.elementAt(i);
180 if (isNode(decl,"enum_constant")) {
181 parseEnumConstant(cn,decl);
182 } else throw new Error();
187 private void parseEnumConstant(ClassDescriptor cn, ParseNode pn) {
188 cn.addEnumConstant(pn.getChild("name").getTerminal());
191 public ClassDescriptor parseInterfaceDecl(ParseNode pn) {
192 ClassDescriptor cn=new ClassDescriptor(pn.getChild("name").getTerminal(), true);
193 //cn.setAsInterface();
194 if (!isEmpty(pn.getChild("superIF").getTerminal())) {
195 /* parse inherited interface name */
196 ParseNode snlist=pn.getChild("superIF").getChild("extend_interface_list");
197 ParseNodeVector pnv=snlist.getChildren();
198 for(int i=0; i<pnv.size(); i++) {
199 ParseNode decl=pnv.elementAt(i);
200 if (isNode(decl,"type")) {
201 NameDescriptor nd=parseName(decl.getChild("class").getChild("name"));
202 cn.addSuperInterface(nd.toString());
206 cn.setModifiers(parseModifiersList(pn.getChild("modifiers")));
207 parseInterfaceBody(cn, pn.getChild("interfacebody"));
211 private void parseInterfaceBody(ClassDescriptor cn, ParseNode pn) {
212 assert(cn.isInterface());
213 ParseNode decls=pn.getChild("interface_member_declaration_list");
215 ParseNodeVector pnv=decls.getChildren();
216 for(int i=0; i<pnv.size(); i++) {
217 ParseNode decl=pnv.elementAt(i);
218 if (isNode(decl,"constant")) {
219 parseInterfaceConstant(cn,decl);
220 } else if (isNode(decl,"method")) {
221 parseInterfaceMethod(cn,decl.getChild("method_declaration"));
222 } else throw new Error();
227 private void parseInterfaceConstant(ClassDescriptor cn, ParseNode pn) {
229 parseFieldDecl(cn,pn.getChild("field_declaration"));
235 private void parseInterfaceMethod(ClassDescriptor cn, ParseNode pn) {
236 ParseNode headern=pn.getChild("header");
237 ParseNode bodyn=pn.getChild("body");
238 MethodDescriptor md=parseMethodHeader(headern.getChild("method_header"));
239 md.getModifiers().addModifier(Modifiers.PUBLIC);
240 md.getModifiers().addModifier(Modifiers.ABSTRACT);
242 BlockNode bn=parseBlock(bodyn);
244 state.addTreeCode(md,bn);
246 // this is a hack for investigating new language features
247 // at the AST level, someday should evolve into a nice compiler
249 //if( cn.getSymbol().equals( ***put a class in here like: "Test" ) &&
250 // md.getSymbol().equals( ***put your method in here like: "main" )
252 // bn.setStyle( BlockNode.NORMAL );
253 // System.out.println( bn.printNode( 0 ) );
256 } catch (Exception e) {
257 System.out.println("Error with method:"+md.getSymbol());
261 System.out.println("Error with method:"+md.getSymbol());
267 public TaskDescriptor parseTaskDecl(ParseNode pn) {
268 TaskDescriptor td=new TaskDescriptor(pn.getChild("name").getTerminal());
269 ParseNode bodyn=pn.getChild("body");
270 BlockNode bn=parseBlock(bodyn);
271 parseParameterList(td, pn);
272 state.addTreeCode(td,bn);
273 if (pn.getChild("flag_effects_list")!=null)
274 td.addFlagEffects(parseFlags(pn.getChild("flag_effects_list")));
278 public Vector parseFlags(ParseNode pn) {
279 Vector vfe=new Vector();
280 ParseNodeVector pnv=pn.getChildren();
281 for(int i=0; i<pnv.size(); i++) {
282 ParseNode fn=pnv.elementAt(i);
283 FlagEffects fe=parseFlagEffects(fn);
289 public FlagEffects parseFlagEffects(ParseNode pn) {
290 if (isNode(pn,"flag_effect")) {
291 String flagname=pn.getChild("name").getTerminal();
292 FlagEffects fe=new FlagEffects(flagname);
293 if (pn.getChild("flag_list")!=null)
294 parseFlagEffect(fe, pn.getChild("flag_list"));
295 if (pn.getChild("tag_list")!=null)
296 parseTagEffect(fe, pn.getChild("tag_list"));
298 } else throw new Error();
301 public void parseTagEffect(FlagEffects fes, ParseNode pn) {
302 ParseNodeVector pnv=pn.getChildren();
303 for(int i=0; i<pnv.size(); i++) {
304 ParseNode pn2=pnv.elementAt(i);
306 if (isNode(pn2,"not")) {
308 pn2=pn2.getChild("name");
310 String name=pn2.getTerminal();
311 fes.addTagEffect(new TagEffect(name,status));
315 public void parseFlagEffect(FlagEffects fes, ParseNode pn) {
316 ParseNodeVector pnv=pn.getChildren();
317 for(int i=0; i<pnv.size(); i++) {
318 ParseNode pn2=pnv.elementAt(i);
320 if (isNode(pn2,"not")) {
322 pn2=pn2.getChild("name");
324 String name=pn2.getTerminal();
325 fes.addEffect(new FlagEffect(name,status));
329 public FlagExpressionNode parseFlagExpression(ParseNode pn) {
330 if (isNode(pn,"or")) {
331 ParseNodeVector pnv=pn.getChildren();
332 ParseNode left=pnv.elementAt(0);
333 ParseNode right=pnv.elementAt(1);
334 return new FlagOpNode(parseFlagExpression(left), parseFlagExpression(right), new Operation(Operation.LOGIC_OR));
335 } else if (isNode(pn,"and")) {
336 ParseNodeVector pnv=pn.getChildren();
337 ParseNode left=pnv.elementAt(0);
338 ParseNode right=pnv.elementAt(1);
339 return new FlagOpNode(parseFlagExpression(left), parseFlagExpression(right), new Operation(Operation.LOGIC_AND));
340 } else if (isNode(pn, "not")) {
341 ParseNodeVector pnv=pn.getChildren();
342 ParseNode left=pnv.elementAt(0);
343 return new FlagOpNode(parseFlagExpression(left), new Operation(Operation.LOGIC_NOT));
345 } else if (isNode(pn,"name")) {
346 return new FlagNode(pn.getTerminal());
352 public Vector parseChecks(ParseNode pn) {
353 Vector ccs=new Vector();
354 ParseNodeVector pnv=pn.getChildren();
355 for(int i=0; i<pnv.size(); i++) {
356 ParseNode fn=pnv.elementAt(i);
357 ConstraintCheck cc=parseConstraintCheck(fn);
363 public ConstraintCheck parseConstraintCheck(ParseNode pn) {
364 if (isNode(pn,"cons_check")) {
365 String specname=pn.getChild("name").getChild("identifier").getTerminal();
366 Vector[] args=parseConsArgumentList(pn);
367 ConstraintCheck cc=new ConstraintCheck(specname);
368 for(int i=0; i<args[0].size(); i++) {
369 cc.addVariable((String)args[0].get(i));
370 cc.addArgument((ExpressionNode)args[1].get(i));
373 } else throw new Error();
376 public void parseParameterList(TaskDescriptor td, ParseNode pn) {
379 ParseNode paramlist=pn.getChild("task_parameter_list");
382 ParseNodeVector pnv=paramlist.getChildren();
383 for(int i=0; i<pnv.size(); i++) {
384 ParseNode paramn=pnv.elementAt(i);
385 if(paramn.getChild("optional")!=null) {
387 paramn = paramn.getChild("optional").getFirstChild();
388 System.out.println("OPTIONAL FOUND!!!!!!!");
389 } else { optional = false;
390 System.out.println("NOT OPTIONAL");}
392 TypeDescriptor type=parseTypeDescriptor(paramn);
394 String paramname=paramn.getChild("single").getTerminal();
395 FlagExpressionNode fen=null;
396 if (paramn.getChild("flag")!=null)
397 fen=parseFlagExpression(paramn.getChild("flag").getFirstChild());
399 ParseNode tagnode=paramn.getChild("tag");
401 TagExpressionList tel=null;
403 tel=parseTagExpressionList(tagnode);
406 td.addParameter(type,paramname,fen, tel, optional);
410 public TagExpressionList parseTagExpressionList(ParseNode pn) {
411 //BUG FIX: change pn.getChildren() to pn.getChild("tag_expression_list").getChildren()
412 //To test, feed in any input program that uses tags
413 ParseNodeVector pnv=pn.getChild("tag_expression_list").getChildren();
414 TagExpressionList tel=new TagExpressionList();
415 for(int i=0; i<pnv.size(); i++) {
416 ParseNode tn=pnv.elementAt(i);
417 String type=tn.getChild("type").getTerminal();
418 String name=tn.getChild("single").getTerminal();
419 tel.addTag(type, name);
424 public ClassDescriptor parseTypeDecl(ParseNode pn) {
425 ClassDescriptor cn=new ClassDescriptor(pn.getChild("name").getTerminal(), false);
426 if (!isEmpty(pn.getChild("super").getTerminal())) {
427 /* parse superclass name */
428 ParseNode snn=pn.getChild("super").getChild("type").getChild("class").getChild("name");
429 NameDescriptor nd=parseName(snn);
430 cn.setSuper(nd.toString());
432 if (!(cn.getSymbol().equals(TypeUtil.ObjectClass)||
433 cn.getSymbol().equals(TypeUtil.TagClass)))
434 cn.setSuper(TypeUtil.ObjectClass);
436 // check inherited interfaces
437 if (!isEmpty(pn.getChild("superIF").getTerminal())) {
438 /* parse inherited interface name */
439 ParseNode snlist=pn.getChild("superIF").getChild("interface_type_list");
440 ParseNodeVector pnv=snlist.getChildren();
441 for(int i=0; i<pnv.size(); i++) {
442 ParseNode decl=pnv.elementAt(i);
443 if (isNode(decl,"type")) {
444 NameDescriptor nd=parseName(decl.getChild("class").getChild("name"));
445 cn.addSuperInterface(nd.toString());
449 cn.setModifiers(parseModifiersList(pn.getChild("modifiers")));
450 parseClassBody(cn, pn.getChild("classbody"));
454 private void parseClassBody(ClassDescriptor cn, ParseNode pn) {
455 ParseNode decls=pn.getChild("class_body_declaration_list");
457 ParseNodeVector pnv=decls.getChildren();
458 for(int i=0; i<pnv.size(); i++) {
459 ParseNode decl=pnv.elementAt(i);
460 if (isNode(decl,"member")) {
461 parseClassMember(cn,decl);
462 } else if (isNode(decl,"constructor")) {
463 parseConstructorDecl(cn,decl.getChild("constructor_declaration"));
464 } else if (isNode(decl, "static_block")) {
466 // TODO add version for normal Java later
467 parseStaticBlockDecl(cn, decl.getChild("static_block_declaration"));
469 throw new Error("Static blocks not implemented");
471 } else if (isNode(decl,"block")) {
472 } else throw new Error();
477 private void parseClassMember(ClassDescriptor cn, ParseNode pn) {
478 ParseNode fieldnode=pn.getChild("field");
479 if (fieldnode!=null) {
480 parseFieldDecl(cn,fieldnode.getChild("field_declaration"));
483 ParseNode methodnode=pn.getChild("method");
484 if (methodnode!=null) {
485 parseMethodDecl(cn,methodnode.getChild("method_declaration"));
488 ParseNode innerclassnode=pn.getChild("inner_class_declaration");
489 if (innerclassnode!=null) {
491 parseInnerClassDecl(cn,innerclassnode);
494 // TODO add version for noraml Java later
495 throw new Error("Error: inner class in Class " + cn.getSymbol() + " is not supported yet");
498 ParseNode enumnode=pn.getChild("enum_declaration");
499 if (enumnode!=null) {
501 parseEnumDecl(cn,enumnode);
504 // TODO add version for noraml Java later
505 throw new Error("Error: enumerated type in Class " + cn.getSymbol() + " is not supported yet");
508 ParseNode flagnode=pn.getChild("flag");
509 if (flagnode!=null) {
510 parseFlagDecl(cn, flagnode.getChild("flag_declaration"));
513 // in case there are empty node
514 ParseNode emptynode=pn.getChild("empty");
515 if(emptynode != null) {
521 private ClassDescriptor parseInnerClassDecl(ClassDescriptor cn, ParseNode pn) {
522 ClassDescriptor icn=new ClassDescriptor(pn.getChild("name").getTerminal(), false);
523 icn.setAsInnerClass();
524 icn.setSurroundingClass(cn.getSymbol());
525 icn.setSurrounding(cn);
526 cn.addInnerClass(icn);
527 if (!isEmpty(pn.getChild("super").getTerminal())) {
528 /* parse superclass name */
529 ParseNode snn=pn.getChild("super").getChild("type").getChild("class").getChild("name");
530 NameDescriptor nd=parseName(snn);
531 icn.setSuper(nd.toString());
533 if (!(icn.getSymbol().equals(TypeUtil.ObjectClass)||
534 icn.getSymbol().equals(TypeUtil.TagClass)))
535 icn.setSuper(TypeUtil.ObjectClass);
537 // check inherited interfaces
538 if (!isEmpty(pn.getChild("superIF").getTerminal())) {
539 /* parse inherited interface name */
540 ParseNode snlist=pn.getChild("superIF").getChild("interface_type_list");
541 ParseNodeVector pnv=snlist.getChildren();
542 for(int i=0; i<pnv.size(); i++) {
543 ParseNode decl=pnv.elementAt(i);
544 if (isNode(decl,"type")) {
545 NameDescriptor nd=parseName(decl.getChild("class").getChild("name"));
546 icn.addSuperInterface(nd.toString());
550 icn.setModifiers(parseModifiersList(pn.getChild("modifiers")));
551 if(!icn.isStatic()) {
552 throw new Error("Error: inner class " + icn.getSymbol() + " in Class " +
553 cn.getSymbol() + " is not a nested class and is not supported yet!");
555 parseClassBody(icn, pn.getChild("classbody"));
559 private TypeDescriptor parseTypeDescriptor(ParseNode pn) {
560 ParseNode tn=pn.getChild("type");
561 String type_st=tn.getTerminal();
562 if(type_st.equals("byte")) {
563 return state.getTypeDescriptor(TypeDescriptor.BYTE);
564 } else if(type_st.equals("short")) {
565 return state.getTypeDescriptor(TypeDescriptor.SHORT);
566 } else if(type_st.equals("boolean")) {
567 return state.getTypeDescriptor(TypeDescriptor.BOOLEAN);
568 } else if(type_st.equals("int")) {
569 return state.getTypeDescriptor(TypeDescriptor.INT);
570 } else if(type_st.equals("long")) {
571 return state.getTypeDescriptor(TypeDescriptor.LONG);
572 } else if(type_st.equals("char")) {
573 return state.getTypeDescriptor(TypeDescriptor.CHAR);
574 } else if(type_st.equals("float")) {
575 return state.getTypeDescriptor(TypeDescriptor.FLOAT);
576 } else if(type_st.equals("double")) {
577 return state.getTypeDescriptor(TypeDescriptor.DOUBLE);
578 } else if(type_st.equals("class")) {
579 ParseNode nn=tn.getChild("class");
580 return state.getTypeDescriptor(parseName(nn.getChild("name")));
581 } else if(type_st.equals("array")) {
582 ParseNode nn=tn.getChild("array");
583 TypeDescriptor td=parseTypeDescriptor(nn.getChild("basetype"));
584 Integer numdims=(Integer)nn.getChild("dims").getLiteral();
585 for(int i=0; i<numdims.intValue(); i++)
586 td=td.makeArray(state);
589 System.out.println(pn.PPrint(2, true));
594 private NameDescriptor parseName(ParseNode nn) {
595 ParseNode base=nn.getChild("base");
596 ParseNode id=nn.getChild("identifier");
598 return new NameDescriptor(id.getTerminal());
599 return new NameDescriptor(parseName(base.getChild("name")),id.getTerminal());
603 private void parseFlagDecl(ClassDescriptor cn,ParseNode pn) {
604 String name=pn.getChild("name").getTerminal();
605 FlagDescriptor flag=new FlagDescriptor(name);
606 if (pn.getChild("external")!=null)
611 private void parseFieldDecl(ClassDescriptor cn,ParseNode pn) {
612 ParseNode mn=pn.getChild("modifier");
613 Modifiers m=parseModifiersList(mn);
614 if((state.MGC) && cn.isInterface()) {
615 // TODO add version for normal Java later
616 // Can only be PUBLIC or STATIC or FINAL
617 if((m.isAbstract()) || (m.isAtomic()) || (m.isNative())
618 || (m.isSynchronized())) {
619 throw new Error("Error: field in Interface " + cn.getSymbol() + "can only be PUBLIC or STATIC or FINAL");
621 m.addModifier(Modifiers.PUBLIC);
622 m.addModifier(Modifiers.STATIC);
623 m.addModifier(Modifiers.FINAL);
626 ParseNode tn=pn.getChild("type");
627 TypeDescriptor t=parseTypeDescriptor(tn);
628 ParseNode vn=pn.getChild("variables").getChild("variable_declarators_list");
629 ParseNodeVector pnv=vn.getChildren();
630 boolean isglobal=pn.getChild("global")!=null;
632 for(int i=0; i<pnv.size(); i++) {
633 ParseNode vardecl=pnv.elementAt(i);
634 ParseNode tmp=vardecl;
635 TypeDescriptor arrayt=t;
636 while (tmp.getChild("single")==null) {
637 arrayt=arrayt.makeArray(state);
638 tmp=tmp.getChild("array");
640 String identifier=tmp.getChild("single").getTerminal();
641 ParseNode epn=vardecl.getChild("initializer");
643 ExpressionNode en=null;
645 en=parseExpression(epn.getFirstChild());
646 if(state.MGC && m.isStatic()) {
647 // for static field, the initializer should be considered as a
649 boolean isfirst = false;
650 MethodDescriptor md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
652 // the first static block for this class
653 Modifiers m_i=new Modifiers();
654 m_i.addModifier(Modifiers.STATIC);
655 md = new MethodDescriptor(m_i, "staticblocks", false);
656 md.setAsStaticBlock();
662 cn.incStaticBlocks();
663 BlockNode bn=new BlockNode();
664 NameNode nn=new NameNode(new NameDescriptor(identifier));
665 AssignmentNode an=new AssignmentNode(nn,en,new AssignOperation(1));
666 bn.addBlockStatement(new BlockExpressionNode(an));
668 state.addTreeCode(md,bn);
670 BlockNode obn = state.getMethodBody(md);
671 for(int ii = 0; ii < bn.size(); ii++) {
672 BlockStatementNode bsn = bn.get(ii);
673 obn.addBlockStatement(bsn);
675 state.addTreeCode(md, obn);
682 cn.addField(new FieldDescriptor(m, arrayt, identifier, en, isglobal));
686 private ExpressionNode parseExpression(ParseNode pn) {
687 if (isNode(pn,"assignment"))
688 return parseAssignmentExpression(pn);
689 else if (isNode(pn,"logical_or")||isNode(pn,"logical_and")||
690 isNode(pn,"bitwise_or")||isNode(pn,"bitwise_xor")||
691 isNode(pn,"bitwise_and")||isNode(pn,"equal")||
692 isNode(pn,"not_equal")||isNode(pn,"comp_lt")||
693 isNode(pn,"comp_lte")||isNode(pn,"comp_gt")||
694 isNode(pn,"comp_gte")||isNode(pn,"leftshift")||
695 isNode(pn,"rightshift")||isNode(pn,"sub")||
696 isNode(pn,"urightshift")||isNode(pn,"sub")||
697 isNode(pn,"add")||isNode(pn,"mult")||
698 isNode(pn,"div")||isNode(pn,"mod")) {
699 ParseNodeVector pnv=pn.getChildren();
700 ParseNode left=pnv.elementAt(0);
701 ParseNode right=pnv.elementAt(1);
702 Operation op=new Operation(pn.getLabel());
703 return new OpNode(parseExpression(left),parseExpression(right),op);
704 } else if (isNode(pn,"unaryplus")||
705 isNode(pn,"unaryminus")||
708 ParseNode left=pn.getFirstChild();
709 Operation op=new Operation(pn.getLabel());
710 return new OpNode(parseExpression(left),op);
711 } else if (isNode(pn,"postinc")||
712 isNode(pn,"postdec")) {
713 ParseNode left=pn.getFirstChild();
714 AssignOperation op=new AssignOperation(pn.getLabel());
715 return new AssignmentNode(parseExpression(left),null,op);
717 } else if (isNode(pn,"preinc")||
718 isNode(pn,"predec")) {
719 ParseNode left=pn.getFirstChild();
720 AssignOperation op=isNode(pn,"preinc") ? new AssignOperation(AssignOperation.PLUSEQ) : new AssignOperation(AssignOperation.MINUSEQ);
721 return new AssignmentNode(parseExpression(left),
722 new LiteralNode("integer",new Integer(1)),op);
723 } else if (isNode(pn,"literal")) {
724 String literaltype=pn.getTerminal();
725 ParseNode literalnode=pn.getChild(literaltype);
726 Object literal_obj=literalnode.getLiteral();
727 return new LiteralNode(literaltype, literal_obj);
728 } else if (isNode(pn,"createobject")) {
729 TypeDescriptor td=parseTypeDescriptor(pn);
731 Vector args=parseArgumentList(pn);
732 boolean isglobal=pn.getChild("global")!=null||
733 pn.getChild("scratch")!=null;
734 String disjointId=null;
735 if( pn.getChild("disjoint") != null) {
736 disjointId = pn.getChild("disjoint").getTerminal();
738 CreateObjectNode con=new CreateObjectNode(td, isglobal, disjointId);
739 for(int i=0; i<args.size(); i++) {
740 con.addArgument((ExpressionNode)args.get(i));
742 /* Could have flag set or tag added here */
743 if (pn.getChild("flag_list")!=null||pn.getChild("tag_list")!=null) {
744 FlagEffects fe=new FlagEffects(null);
745 if (pn.getChild("flag_list")!=null)
746 parseFlagEffect(fe, pn.getChild("flag_list"));
748 if (pn.getChild("tag_list")!=null)
749 parseTagEffect(fe, pn.getChild("tag_list"));
750 con.addFlagEffects(fe);
754 } else if (isNode(pn,"createarray")) {
755 //System.out.println(pn.PPrint(3,true));
756 boolean isglobal=pn.getChild("global")!=null||
757 pn.getChild("scratch")!=null;
758 String disjointId=null;
759 if( pn.getChild("disjoint") != null) {
760 disjointId = pn.getChild("disjoint").getTerminal();
762 TypeDescriptor td=parseTypeDescriptor(pn);
763 Vector args=parseDimExprs(pn);
765 if (pn.getChild("dims_opt").getLiteral()!=null)
766 num=((Integer)pn.getChild("dims_opt").getLiteral()).intValue();
767 for(int i=0; i<(args.size()+num); i++)
768 td=td.makeArray(state);
769 CreateObjectNode con=new CreateObjectNode(td, isglobal, disjointId);
770 for(int i=0; i<args.size(); i++) {
771 con.addArgument((ExpressionNode)args.get(i));
774 } if (isNode(pn,"createarray2") && state.MGC) {
775 TypeDescriptor td=parseTypeDescriptor(pn);
777 if (pn.getChild("dims_opt").getLiteral()!=null)
778 num=((Integer)pn.getChild("dims_opt").getLiteral()).intValue();
779 for(int i=0; i<num; i++)
780 td=td.makeArray(state);
781 CreateObjectNode con=new CreateObjectNode(td, false, null);
782 // TODO array initializers
783 ParseNode ipn = pn.getChild("initializer");
784 Vector initializers=parseVariableInitializerList(ipn);
785 ArrayInitializerNode ain = new ArrayInitializerNode(initializers);
786 con.addArrayInitializer(ain);
788 } else if (isNode(pn,"name")) {
789 NameDescriptor nd=parseName(pn);
790 return new NameNode(nd);
791 } else if (isNode(pn,"this")) {
792 NameDescriptor nd=new NameDescriptor("this");
793 return new NameNode(nd);
794 } else if (isNode(pn,"isavailable")) {
795 NameDescriptor nd=new NameDescriptor(pn.getTerminal());
796 return new OpNode(new NameNode(nd),null,new Operation(Operation.ISAVAILABLE));
797 } else if (isNode(pn,"methodinvoke1")) {
798 NameDescriptor nd=parseName(pn.getChild("name"));
799 Vector args=parseArgumentList(pn);
800 MethodInvokeNode min=new MethodInvokeNode(nd);
801 for(int i=0; i<args.size(); i++) {
802 min.addArgument((ExpressionNode)args.get(i));
805 } else if (isNode(pn,"methodinvoke2")) {
806 String methodid=pn.getChild("id").getTerminal();
807 ExpressionNode exp=parseExpression(pn.getChild("base").getFirstChild());
808 Vector args=parseArgumentList(pn);
809 MethodInvokeNode min=new MethodInvokeNode(methodid,exp);
810 for(int i=0; i<args.size(); i++) {
811 min.addArgument((ExpressionNode)args.get(i));
814 } else if (isNode(pn,"fieldaccess")) {
815 ExpressionNode en=parseExpression(pn.getChild("base").getFirstChild());
816 String fieldname=pn.getChild("field").getTerminal();
817 return new FieldAccessNode(en,fieldname);
818 } else if (isNode(pn,"arrayaccess")) {
819 ExpressionNode en=parseExpression(pn.getChild("base").getFirstChild());
820 ExpressionNode index=parseExpression(pn.getChild("index").getFirstChild());
821 return new ArrayAccessNode(en,index);
822 } else if (isNode(pn,"cast1")) {
824 return new CastNode(parseTypeDescriptor(pn.getChild("type")),parseExpression(pn.getChild("exp").getFirstChild()));
825 } catch (Exception e) {
826 System.out.println(pn.PPrint(1,true));
830 } else if (isNode(pn,"cast2")) {
831 return new CastNode(parseExpression(pn.getChild("type").getFirstChild()),parseExpression(pn.getChild("exp").getFirstChild()));
832 } else if (isNode(pn, "getoffset")) {
833 TypeDescriptor td=parseTypeDescriptor(pn);
834 String fieldname = pn.getChild("field").getTerminal();
835 //System.out.println("Checking the values of: "+ " td.toString()= " + td.toString()+ " fieldname= " + fieldname);
836 return new OffsetNode(td, fieldname);
837 } else if (isNode(pn, "tert")) {
838 return new TertiaryNode(parseExpression(pn.getChild("cond").getFirstChild()),
839 parseExpression(pn.getChild("trueexpr").getFirstChild()),
840 parseExpression(pn.getChild("falseexpr").getFirstChild()) );
841 } else if (isNode(pn, "instanceof")) {
842 ExpressionNode exp=parseExpression(pn.getChild("exp").getFirstChild());
843 TypeDescriptor t=parseTypeDescriptor(pn);
844 return new InstanceOfNode(exp,t);
845 } else if (isNode(pn, "array_initializer")) {
846 Vector initializers=parseVariableInitializerList(pn);
847 return new ArrayInitializerNode(initializers);
848 } else if (isNode(pn, "class_type") && state.MGC) {
849 TypeDescriptor td=parseTypeDescriptor(pn);
850 return new ClassTypeNode(td);
851 } else if (isNode(pn, "empty") && state.MGC) {
854 System.out.println("---------------------");
855 System.out.println(pn.PPrint(3,true));
860 private Vector parseDimExprs(ParseNode pn) {
861 Vector arglist=new Vector();
862 ParseNode an=pn.getChild("dim_exprs");
863 if (an==null) /* No argument list */
865 ParseNodeVector anv=an.getChildren();
866 for(int i=0; i<anv.size(); i++) {
867 arglist.add(parseExpression(anv.elementAt(i)));
872 private Vector parseArgumentList(ParseNode pn) {
873 Vector arglist=new Vector();
874 ParseNode an=pn.getChild("argument_list");
875 if (an==null) /* No argument list */
877 ParseNodeVector anv=an.getChildren();
878 for(int i=0; i<anv.size(); i++) {
879 arglist.add(parseExpression(anv.elementAt(i)));
884 private Vector[] parseConsArgumentList(ParseNode pn) {
885 Vector arglist=new Vector();
886 Vector varlist=new Vector();
887 ParseNode an=pn.getChild("cons_argument_list");
888 if (an==null) /* No argument list */
889 return new Vector[] {varlist, arglist};
890 ParseNodeVector anv=an.getChildren();
891 for(int i=0; i<anv.size(); i++) {
892 ParseNode cpn=anv.elementAt(i);
893 ParseNode var=cpn.getChild("var");
894 ParseNode exp=cpn.getChild("exp").getFirstChild();
895 varlist.add(var.getTerminal());
896 arglist.add(parseExpression(exp));
898 return new Vector[] {varlist, arglist};
901 private Vector parseVariableInitializerList(ParseNode pn) {
902 Vector varInitList=new Vector();
903 ParseNode vin=pn.getChild("var_init_list");
904 if (vin==null) /* No argument list */
906 ParseNodeVector vinv=vin.getChildren();
907 for(int i=0; i<vinv.size(); i++) {
908 varInitList.add(parseExpression(vinv.elementAt(i)));
913 private ExpressionNode parseAssignmentExpression(ParseNode pn) {
914 AssignOperation ao=new AssignOperation(pn.getChild("op").getTerminal());
915 ParseNodeVector pnv=pn.getChild("args").getChildren();
917 AssignmentNode an=new AssignmentNode(parseExpression(pnv.elementAt(0)),parseExpression(pnv.elementAt(1)),ao);
922 private void parseMethodDecl(ClassDescriptor cn, ParseNode pn) {
923 ParseNode headern=pn.getChild("method_header");
924 ParseNode bodyn=pn.getChild("body");
925 MethodDescriptor md=parseMethodHeader(headern);
927 BlockNode bn=parseBlock(bodyn);
929 state.addTreeCode(md,bn);
931 // this is a hack for investigating new language features
932 // at the AST level, someday should evolve into a nice compiler
934 //if( cn.getSymbol().equals( ***put a class in here like: "Test" ) &&
935 // md.getSymbol().equals( ***put your method in here like: "main" )
937 // bn.setStyle( BlockNode.NORMAL );
938 // System.out.println( bn.printNode( 0 ) );
941 } catch (Exception e) {
942 System.out.println("Error with method:"+md.getSymbol());
946 System.out.println("Error with method:"+md.getSymbol());
952 private void parseConstructorDecl(ClassDescriptor cn, ParseNode pn) {
953 ParseNode mn=pn.getChild("modifiers");
954 Modifiers m=parseModifiersList(mn);
955 ParseNode cdecl=pn.getChild("constructor_declarator");
956 boolean isglobal=cdecl.getChild("global")!=null;
957 String name=cdecl.getChild("name").getChild("identifier").getTerminal();
958 MethodDescriptor md=new MethodDescriptor(m, name, isglobal);
959 ParseNode paramnode=cdecl.getChild("parameters");
960 parseParameterList(md,paramnode);
961 ParseNode bodyn0=pn.getChild("body");
962 ParseNode bodyn=bodyn0.getChild("constructor_body");
965 if (bodyn!=null&&bodyn.getChild("block_statement_list")!=null)
966 bn=parseBlock(bodyn);
969 if (bodyn!=null&&bodyn.getChild("superinvoke")!=null) {
970 ParseNode sin=bodyn.getChild("superinvoke");
971 NameDescriptor nd=new NameDescriptor("super");
972 Vector args=parseArgumentList(sin);
973 MethodInvokeNode min=new MethodInvokeNode(nd);
974 for(int i=0; i<args.size(); i++) {
975 min.addArgument((ExpressionNode)args.get(i));
977 BlockExpressionNode ben=new BlockExpressionNode(min);
978 bn.addFirstBlockStatement(ben);
980 } else if (bodyn!=null&&bodyn.getChild("explconstrinv")!=null) {
981 ParseNode eci=bodyn.getChild("explconstrinv");
982 NameDescriptor nd=new NameDescriptor(cn.getSymbol());
983 Vector args=parseArgumentList(eci);
984 MethodInvokeNode min=new MethodInvokeNode(nd);
985 for(int i=0; i<args.size(); i++) {
986 min.addArgument((ExpressionNode)args.get(i));
988 BlockExpressionNode ben=new BlockExpressionNode(min);
989 bn.addFirstBlockStatement(ben);
991 state.addTreeCode(md,bn);
994 private void parseStaticBlockDecl(ClassDescriptor cn, ParseNode pn) {
995 // Each class maintains one MethodDecscriptor which combines all its
996 // static blocks in their declaration order
997 boolean isfirst = false;
998 MethodDescriptor md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
1000 // the first static block for this class
1001 Modifiers m=new Modifiers();
1002 m.addModifier(Modifiers.STATIC);
1003 md = new MethodDescriptor(m, "staticblocks", false);
1004 md.setAsStaticBlock();
1007 ParseNode bodyn=pn.getChild("body");
1011 cn.incStaticBlocks();
1013 if (bodyn!=null&&bodyn.getChild("block_statement_list")!=null)
1014 bn=parseBlock(bodyn);
1018 state.addTreeCode(md,bn);
1020 BlockNode obn = state.getMethodBody(md);
1021 for(int i = 0; i < bn.size(); i++) {
1022 BlockStatementNode bsn = bn.get(i);
1023 obn.addBlockStatement(bsn);
1025 state.addTreeCode(md, obn);
1030 public BlockNode parseBlock(ParseNode pn) {
1031 this.m_taskexitnum = 0;
1032 if (pn==null||isEmpty(pn.getTerminal()))
1033 return new BlockNode();
1034 ParseNode bsn=pn.getChild("block_statement_list");
1035 return parseBlockHelper(bsn);
1038 private BlockNode parseBlockHelper(ParseNode pn) {
1039 ParseNodeVector pnv=pn.getChildren();
1040 BlockNode bn=new BlockNode();
1041 for(int i=0; i<pnv.size(); i++) {
1042 Vector bsv=parseBlockStatement(pnv.elementAt(i));
1043 for(int j=0; j<bsv.size(); j++) {
1044 bn.addBlockStatement((BlockStatementNode)bsv.get(j));
1050 public BlockNode parseSingleBlock(ParseNode pn) {
1051 BlockNode bn=new BlockNode();
1052 Vector bsv=parseBlockStatement(pn);
1053 for(int j=0; j<bsv.size(); j++) {
1054 bn.addBlockStatement((BlockStatementNode)bsv.get(j));
1056 bn.setStyle(BlockNode.NOBRACES);
1060 public Vector parseSESEBlock(Vector parentbs, ParseNode pn) {
1061 ParseNodeVector pnv=pn.getChildren();
1062 Vector bv=new Vector();
1063 for(int i=0; i<pnv.size(); i++) {
1064 bv.addAll(parseBlockStatement(pnv.elementAt(i)));
1069 public Vector parseBlockStatement(ParseNode pn) {
1070 Vector blockstatements=new Vector();
1071 if (isNode(pn,"tag_declaration")) {
1072 String name=pn.getChild("single").getTerminal();
1073 String type=pn.getChild("type").getTerminal();
1075 blockstatements.add(new TagDeclarationNode(name, type));
1076 } else if (isNode(pn,"local_variable_declaration")) {
1077 TypeDescriptor t=parseTypeDescriptor(pn);
1078 ParseNode vn=pn.getChild("variable_declarators_list");
1079 ParseNodeVector pnv=vn.getChildren();
1080 for(int i=0; i<pnv.size(); i++) {
1081 ParseNode vardecl=pnv.elementAt(i);
1084 ParseNode tmp=vardecl;
1085 TypeDescriptor arrayt=t;
1086 while (tmp.getChild("single")==null) {
1087 arrayt=arrayt.makeArray(state);
1088 tmp=tmp.getChild("array");
1090 String identifier=tmp.getChild("single").getTerminal();
1092 ParseNode epn=vardecl.getChild("initializer");
1095 ExpressionNode en=null;
1097 en=parseExpression(epn.getFirstChild());
1099 blockstatements.add(new DeclarationNode(new VarDescriptor(arrayt, identifier),en));
1101 } else if (isNode(pn,"nop")) {
1103 } else if (isNode(pn,"expression")) {
1104 blockstatements.add(new BlockExpressionNode(parseExpression(pn.getFirstChild())));
1105 } else if (isNode(pn,"ifstatement")) {
1106 blockstatements.add(new IfStatementNode(parseExpression(pn.getChild("condition").getFirstChild()),
1107 parseSingleBlock(pn.getChild("statement").getFirstChild()),
1108 pn.getChild("else_statement")!=null ? parseSingleBlock(pn.getChild("else_statement").getFirstChild()) : null));
1109 } else if ((state.MGC) && (isNode(pn,"switch_statement"))) {
1110 // TODO add version for normal Java later
1111 blockstatements.add(new SwitchStatementNode(parseExpression(pn.getChild("condition").getFirstChild()),
1112 parseSingleBlock(pn.getChild("statement").getFirstChild())));
1113 } else if ((state.MGC) && (isNode(pn,"switch_block_list"))) {
1114 // TODO add version for normal Java later
1115 ParseNodeVector pnv=pn.getChildren();
1116 for(int i=0; i<pnv.size(); i++) {
1117 ParseNode sblockdecl=pnv.elementAt(i);
1119 if(isNode(sblockdecl, "switch_block")) {
1120 ParseNode lpn=sblockdecl.getChild("switch_labels").getChild("switch_label_list");
1121 ParseNodeVector labelv=lpn.getChildren();
1122 Vector<SwitchLabelNode> slv = new Vector<SwitchLabelNode>();
1123 for(int j=0; j<labelv.size(); j++) {
1124 ParseNode labeldecl=labelv.elementAt(j);
1125 if(isNode(labeldecl, "switch_label")) {
1126 slv.addElement(new SwitchLabelNode(parseExpression(labeldecl.getChild("constant_expression").getFirstChild()), false));
1127 } else if(isNode(labeldecl, "default_switch_label")) {
1128 slv.addElement(new SwitchLabelNode(null, true));
1132 blockstatements.add(new SwitchBlockNode(slv,
1133 parseSingleBlock(sblockdecl.getChild("switch_statements").getFirstChild())));
1137 } else if (state.MGC && isNode(pn, "trycatchstatement")) {
1138 // TODO add version for normal Java later
1139 // Do not fully support exceptions now. Only make sure that if there are no
1140 // exceptions thrown, the execution is right
1141 ParseNode tpn = pn.getChild("tryblock").getFirstChild();
1142 BlockNode bn=parseBlockHelper(tpn);
1143 blockstatements.add(new SubBlockNode(bn));
1145 ParseNode fbk = pn.getChild("finallyblock");
1147 ParseNode fpn = fbk.getFirstChild();
1148 BlockNode fbn=parseBlockHelper(fpn);
1149 blockstatements.add(new SubBlockNode(fbn));
1151 } else if (isNode(pn, "throwstatement")) {
1152 // TODO Simply return here
1153 blockstatements.add(new ReturnNode());
1154 } else if (isNode(pn,"taskexit")) {
1156 if (pn.getChild("flag_effects_list")!=null)
1157 vfe=parseFlags(pn.getChild("flag_effects_list"));
1159 if (pn.getChild("cons_checks")!=null)
1160 ccs=parseChecks(pn.getChild("cons_checks"));
1162 blockstatements.add(new TaskExitNode(vfe, ccs, this.m_taskexitnum++));
1163 } else if (isNode(pn,"atomic")) {
1164 BlockNode bn=parseBlockHelper(pn);
1165 blockstatements.add(new AtomicNode(bn));
1166 } else if (isNode(pn,"synchronized")) {
1167 BlockNode bn=parseBlockHelper(pn.getChild("block"));
1168 ExpressionNode en=parseExpression(pn.getChild("expr").getFirstChild());
1169 blockstatements.add(new SynchronizedNode(en, bn));
1170 } else if (isNode(pn,"return")) {
1171 if (isEmpty(pn.getTerminal()))
1172 blockstatements.add(new ReturnNode());
1174 ExpressionNode en=parseExpression(pn.getFirstChild());
1175 blockstatements.add(new ReturnNode(en));
1177 } else if (isNode(pn,"block_statement_list")) {
1178 BlockNode bn=parseBlockHelper(pn);
1179 blockstatements.add(new SubBlockNode(bn));
1180 } else if (isNode(pn,"empty")) {
1182 } else if (isNode(pn,"statement_expression_list")) {
1183 ParseNodeVector pnv=pn.getChildren();
1184 BlockNode bn=new BlockNode();
1185 for(int i=0; i<pnv.size(); i++) {
1186 ExpressionNode en=parseExpression(pnv.elementAt(i));
1187 blockstatements.add(new BlockExpressionNode(en));
1189 bn.setStyle(BlockNode.EXPRLIST);
1190 } else if (isNode(pn,"forstatement")) {
1191 BlockNode init=parseSingleBlock(pn.getChild("initializer").getFirstChild());
1192 BlockNode update=parseSingleBlock(pn.getChild("update").getFirstChild());
1193 ExpressionNode condition=parseExpression(pn.getChild("condition").getFirstChild());
1194 BlockNode body=parseSingleBlock(pn.getChild("statement").getFirstChild());
1195 blockstatements.add(new LoopNode(init,condition,update,body));
1196 } else if (isNode(pn,"whilestatement")) {
1197 ExpressionNode condition=parseExpression(pn.getChild("condition").getFirstChild());
1198 BlockNode body=parseSingleBlock(pn.getChild("statement").getFirstChild());
1199 blockstatements.add(new LoopNode(condition,body,LoopNode.WHILELOOP));
1200 } else if (isNode(pn,"dowhilestatement")) {
1201 ExpressionNode condition=parseExpression(pn.getChild("condition").getFirstChild());
1202 BlockNode body=parseSingleBlock(pn.getChild("statement").getFirstChild());
1203 blockstatements.add(new LoopNode(condition,body,LoopNode.DOWHILELOOP));
1204 } else if (isNode(pn,"sese")) {
1205 ParseNode pnID=pn.getChild("identifier");
1207 if( pnID != null ) { stID=pnID.getFirstChild().getTerminal(); }
1208 SESENode start=new SESENode(stID);
1209 SESENode end =new SESENode(stID);
1210 start.setEnd( end );
1211 end.setStart( start );
1212 blockstatements.add(start);
1213 blockstatements.addAll(parseSESEBlock(blockstatements,pn.getChild("body").getFirstChild()));
1214 blockstatements.add(end);
1215 } else if (isNode(pn,"continue")) {
1216 blockstatements.add(new ContinueBreakNode(false));
1217 } else if (isNode(pn,"break")) {
1218 blockstatements.add(new ContinueBreakNode(true));
1220 } else if (isNode(pn,"genreach")) {
1221 String graphName = pn.getChild("graphName").getTerminal();
1222 blockstatements.add( new GenReachNode( graphName ) );
1225 System.out.println("---------------");
1226 System.out.println(pn.PPrint(3,true));
1229 return blockstatements;
1232 public MethodDescriptor parseMethodHeader(ParseNode pn) {
1233 ParseNode mn=pn.getChild("modifiers");
1234 Modifiers m=parseModifiersList(mn);
1236 ParseNode tn=pn.getChild("returntype");
1237 TypeDescriptor returntype;
1239 returntype=parseTypeDescriptor(tn);
1241 returntype=new TypeDescriptor(TypeDescriptor.VOID);
1243 ParseNode pmd=pn.getChild("method_declarator");
1244 String name=pmd.getChild("name").getTerminal();
1245 MethodDescriptor md=new MethodDescriptor(m, returntype, name);
1247 ParseNode paramnode=pmd.getChild("parameters");
1248 parseParameterList(md,paramnode);
1252 public void parseParameterList(MethodDescriptor md, ParseNode pn) {
1253 ParseNode paramlist=pn.getChild("formal_parameter_list");
1254 if (paramlist==null)
1256 ParseNodeVector pnv=paramlist.getChildren();
1257 for(int i=0; i<pnv.size(); i++) {
1258 ParseNode paramn=pnv.elementAt(i);
1260 if (isNode(paramn, "tag_parameter")) {
1261 String paramname=paramn.getChild("single").getTerminal();
1262 TypeDescriptor type=new TypeDescriptor(TypeDescriptor.TAG);
1263 md.addTagParameter(type, paramname);
1265 TypeDescriptor type=parseTypeDescriptor(paramn);
1267 ParseNode tmp=paramn;
1268 while (tmp.getChild("single")==null) {
1269 type=type.makeArray(state);
1270 tmp=tmp.getChild("array");
1272 String paramname=tmp.getChild("single").getTerminal();
1274 md.addParameter(type, paramname);
1279 public Modifiers parseModifiersList(ParseNode pn) {
1280 Modifiers m=new Modifiers();
1281 ParseNode modlist=pn.getChild("modifier_list");
1282 if (modlist!=null) {
1283 ParseNodeVector pnv=modlist.getChildren();
1284 for(int i=0; i<pnv.size(); i++) {
1285 ParseNode modn=pnv.elementAt(i);
1286 if (isNode(modn,"public"))
1287 m.addModifier(Modifiers.PUBLIC);
1288 else if (isNode(modn,"protected"))
1289 m.addModifier(Modifiers.PROTECTED);
1290 else if (isNode(modn,"private"))
1291 m.addModifier(Modifiers.PRIVATE);
1292 else if (isNode(modn,"static"))
1293 m.addModifier(Modifiers.STATIC);
1294 else if (isNode(modn,"final"))
1295 m.addModifier(Modifiers.FINAL);
1296 else if (isNode(modn,"native"))
1297 m.addModifier(Modifiers.NATIVE);
1298 else if (isNode(modn,"synchronized"))
1299 m.addModifier(Modifiers.SYNCHRONIZED);
1300 else if (isNode(modn,"atomic"))
1301 m.addModifier(Modifiers.ATOMIC);
1302 else if (isNode(modn,"abstract"))
1303 m.addModifier(Modifiers.ABSTRACT);
1304 else if (isNode(modn,"volatile"))
1305 m.addModifier(Modifiers.VOLATILE);
1306 else if (isNode(modn,"transient"))
1307 m.addModifier(Modifiers.TRANSIENT);
1308 else throw new Error("Unrecognized Modifier");
1314 private boolean isNode(ParseNode pn, String label) {
1315 if (pn.getLabel().equals(label))
1320 private static boolean isEmpty(ParseNode pn) {
1321 if (pn.getLabel().equals("empty"))
1327 private static boolean isEmpty(String s) {
1328 if (s.equals("empty"))
1334 /** Throw an exception if something is unexpected */
1335 private void check(ParseNode pn, String label) {
1337 throw new Error(pn+ "IE: Expected '" + label + "', got null");
1339 if (!pn.getLabel().equals(label)) {
1340 throw new Error(pn+ "IE: Expected '" + label + "', got '"+pn.getLabel()+"'");