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"));
452 boolean hasConstructor = false;
453 for(Iterator method_it=cn.getMethods(); method_it.hasNext();) {
454 MethodDescriptor md=(MethodDescriptor)method_it.next();
455 hasConstructor |= md.isConstructor();
457 if((!hasConstructor) && (!cn.isEnum())) {
458 // add a default constructor for this class
459 MethodDescriptor md = new MethodDescriptor(new Modifiers(Modifiers.PUBLIC),
460 cn.getSymbol(), false);
461 BlockNode bn=new BlockNode();
462 state.addTreeCode(md,bn);
463 md.setDefaultConstructor();
469 private void parseClassBody(ClassDescriptor cn, ParseNode pn) {
470 ParseNode decls=pn.getChild("class_body_declaration_list");
472 ParseNodeVector pnv=decls.getChildren();
473 for(int i=0; i<pnv.size(); i++) {
474 ParseNode decl=pnv.elementAt(i);
475 if (isNode(decl,"member")) {
476 parseClassMember(cn,decl);
477 } else if (isNode(decl,"constructor")) {
478 parseConstructorDecl(cn,decl.getChild("constructor_declaration"));
479 } else if (isNode(decl, "static_block")) {
481 // TODO add version for normal Java later
482 parseStaticBlockDecl(cn, decl.getChild("static_block_declaration"));
484 throw new Error("Static blocks not implemented");
486 } else if (isNode(decl,"block")) {
487 } else throw new Error();
492 private void parseClassMember(ClassDescriptor cn, ParseNode pn) {
493 ParseNode fieldnode=pn.getChild("field");
494 if (fieldnode!=null) {
495 parseFieldDecl(cn,fieldnode.getChild("field_declaration"));
498 ParseNode methodnode=pn.getChild("method");
499 if (methodnode!=null) {
500 parseMethodDecl(cn,methodnode.getChild("method_declaration"));
503 ParseNode innerclassnode=pn.getChild("inner_class_declaration");
504 if (innerclassnode!=null) {
506 parseInnerClassDecl(cn,innerclassnode);
509 // TODO add version for noraml Java later
510 throw new Error("Error: inner class in Class " + cn.getSymbol() + " is not supported yet");
513 ParseNode enumnode=pn.getChild("enum_declaration");
514 if (enumnode!=null) {
516 parseEnumDecl(cn,enumnode);
519 // TODO add version for noraml Java later
520 throw new Error("Error: enumerated type in Class " + cn.getSymbol() + " is not supported yet");
523 ParseNode flagnode=pn.getChild("flag");
524 if (flagnode!=null) {
525 parseFlagDecl(cn, flagnode.getChild("flag_declaration"));
528 // in case there are empty node
529 ParseNode emptynode=pn.getChild("empty");
530 if(emptynode != null) {
536 private ClassDescriptor parseInnerClassDecl(ClassDescriptor cn, ParseNode pn) {
537 ClassDescriptor icn=new ClassDescriptor(pn.getChild("name").getTerminal(), false);
538 icn.setAsInnerClass();
539 icn.setSurroundingClass(cn.getSymbol());
540 icn.setSurrounding(cn);
541 cn.addInnerClass(icn);
542 if (!isEmpty(pn.getChild("super").getTerminal())) {
543 /* parse superclass name */
544 ParseNode snn=pn.getChild("super").getChild("type").getChild("class").getChild("name");
545 NameDescriptor nd=parseName(snn);
546 icn.setSuper(nd.toString());
548 if (!(icn.getSymbol().equals(TypeUtil.ObjectClass)||
549 icn.getSymbol().equals(TypeUtil.TagClass)))
550 icn.setSuper(TypeUtil.ObjectClass);
552 // check inherited interfaces
553 if (!isEmpty(pn.getChild("superIF").getTerminal())) {
554 /* parse inherited interface name */
555 ParseNode snlist=pn.getChild("superIF").getChild("interface_type_list");
556 ParseNodeVector pnv=snlist.getChildren();
557 for(int i=0; i<pnv.size(); i++) {
558 ParseNode decl=pnv.elementAt(i);
559 if (isNode(decl,"type")) {
560 NameDescriptor nd=parseName(decl.getChild("class").getChild("name"));
561 icn.addSuperInterface(nd.toString());
565 icn.setModifiers(parseModifiersList(pn.getChild("modifiers")));
566 if(!icn.isStatic()) {
567 throw new Error("Error: inner class " + icn.getSymbol() + " in Class " +
568 cn.getSymbol() + " is not a nested class and is not supported yet!");
570 parseClassBody(icn, pn.getChild("classbody"));
574 private TypeDescriptor parseTypeDescriptor(ParseNode pn) {
575 ParseNode tn=pn.getChild("type");
576 String type_st=tn.getTerminal();
577 if(type_st.equals("byte")) {
578 return state.getTypeDescriptor(TypeDescriptor.BYTE);
579 } else if(type_st.equals("short")) {
580 return state.getTypeDescriptor(TypeDescriptor.SHORT);
581 } else if(type_st.equals("boolean")) {
582 return state.getTypeDescriptor(TypeDescriptor.BOOLEAN);
583 } else if(type_st.equals("int")) {
584 return state.getTypeDescriptor(TypeDescriptor.INT);
585 } else if(type_st.equals("long")) {
586 return state.getTypeDescriptor(TypeDescriptor.LONG);
587 } else if(type_st.equals("char")) {
588 return state.getTypeDescriptor(TypeDescriptor.CHAR);
589 } else if(type_st.equals("float")) {
590 return state.getTypeDescriptor(TypeDescriptor.FLOAT);
591 } else if(type_st.equals("double")) {
592 return state.getTypeDescriptor(TypeDescriptor.DOUBLE);
593 } else if(type_st.equals("class")) {
594 ParseNode nn=tn.getChild("class");
595 return state.getTypeDescriptor(parseName(nn.getChild("name")));
596 } else if(type_st.equals("array")) {
597 ParseNode nn=tn.getChild("array");
598 TypeDescriptor td=parseTypeDescriptor(nn.getChild("basetype"));
599 Integer numdims=(Integer)nn.getChild("dims").getLiteral();
600 for(int i=0; i<numdims.intValue(); i++)
601 td=td.makeArray(state);
604 System.out.println(pn.PPrint(2, true));
609 private NameDescriptor parseName(ParseNode nn) {
610 ParseNode base=nn.getChild("base");
611 ParseNode id=nn.getChild("identifier");
613 return new NameDescriptor(id.getTerminal());
614 return new NameDescriptor(parseName(base.getChild("name")),id.getTerminal());
618 private void parseFlagDecl(ClassDescriptor cn,ParseNode pn) {
619 String name=pn.getChild("name").getTerminal();
620 FlagDescriptor flag=new FlagDescriptor(name);
621 if (pn.getChild("external")!=null)
626 private void parseFieldDecl(ClassDescriptor cn,ParseNode pn) {
627 ParseNode mn=pn.getChild("modifier");
628 Modifiers m=parseModifiersList(mn);
629 if((state.MGC) && cn.isInterface()) {
630 // TODO add version for normal Java later
631 // Can only be PUBLIC or STATIC or FINAL
632 if((m.isAbstract()) || (m.isAtomic()) || (m.isNative())
633 || (m.isSynchronized())) {
634 throw new Error("Error: field in Interface " + cn.getSymbol() + "can only be PUBLIC or STATIC or FINAL");
636 m.addModifier(Modifiers.PUBLIC);
637 m.addModifier(Modifiers.STATIC);
638 m.addModifier(Modifiers.FINAL);
641 ParseNode tn=pn.getChild("type");
642 TypeDescriptor t=parseTypeDescriptor(tn);
643 ParseNode vn=pn.getChild("variables").getChild("variable_declarators_list");
644 ParseNodeVector pnv=vn.getChildren();
645 boolean isglobal=pn.getChild("global")!=null;
647 for(int i=0; i<pnv.size(); i++) {
648 ParseNode vardecl=pnv.elementAt(i);
649 ParseNode tmp=vardecl;
650 TypeDescriptor arrayt=t;
651 while (tmp.getChild("single")==null) {
652 arrayt=arrayt.makeArray(state);
653 tmp=tmp.getChild("array");
655 String identifier=tmp.getChild("single").getTerminal();
656 ParseNode epn=vardecl.getChild("initializer");
658 ExpressionNode en=null;
660 en=parseExpression(epn.getFirstChild());
661 if(state.MGC && m.isStatic()) {
662 // for static field, the initializer should be considered as a
664 boolean isfirst = false;
665 MethodDescriptor md = (MethodDescriptor)cn.getMethodTable().getFromSameScope("staticblocks");
667 // the first static block for this class
668 Modifiers m_i=new Modifiers();
669 m_i.addModifier(Modifiers.STATIC);
670 md = new MethodDescriptor(m_i, "staticblocks", false);
671 md.setAsStaticBlock();
677 cn.incStaticBlocks();
678 BlockNode bn=new BlockNode();
679 NameNode nn=new NameNode(new NameDescriptor(identifier));
680 AssignmentNode an=new AssignmentNode(nn,en,new AssignOperation(1));
681 bn.addBlockStatement(new BlockExpressionNode(an));
683 state.addTreeCode(md,bn);
685 BlockNode obn = state.getMethodBody(md);
686 for(int ii = 0; ii < bn.size(); ii++) {
687 BlockStatementNode bsn = bn.get(ii);
688 obn.addBlockStatement(bsn);
690 state.addTreeCode(md, obn);
697 cn.addField(new FieldDescriptor(m, arrayt, identifier, en, isglobal));
701 private ExpressionNode parseExpression(ParseNode pn) {
702 if (isNode(pn,"assignment"))
703 return parseAssignmentExpression(pn);
704 else if (isNode(pn,"logical_or")||isNode(pn,"logical_and")||
705 isNode(pn,"bitwise_or")||isNode(pn,"bitwise_xor")||
706 isNode(pn,"bitwise_and")||isNode(pn,"equal")||
707 isNode(pn,"not_equal")||isNode(pn,"comp_lt")||
708 isNode(pn,"comp_lte")||isNode(pn,"comp_gt")||
709 isNode(pn,"comp_gte")||isNode(pn,"leftshift")||
710 isNode(pn,"rightshift")||isNode(pn,"sub")||
711 isNode(pn,"urightshift")||isNode(pn,"sub")||
712 isNode(pn,"add")||isNode(pn,"mult")||
713 isNode(pn,"div")||isNode(pn,"mod")) {
714 ParseNodeVector pnv=pn.getChildren();
715 ParseNode left=pnv.elementAt(0);
716 ParseNode right=pnv.elementAt(1);
717 Operation op=new Operation(pn.getLabel());
718 return new OpNode(parseExpression(left),parseExpression(right),op);
719 } else if (isNode(pn,"unaryplus")||
720 isNode(pn,"unaryminus")||
723 ParseNode left=pn.getFirstChild();
724 Operation op=new Operation(pn.getLabel());
725 return new OpNode(parseExpression(left),op);
726 } else if (isNode(pn,"postinc")||
727 isNode(pn,"postdec")) {
728 ParseNode left=pn.getFirstChild();
729 AssignOperation op=new AssignOperation(pn.getLabel());
730 return new AssignmentNode(parseExpression(left),null,op);
732 } else if (isNode(pn,"preinc")||
733 isNode(pn,"predec")) {
734 ParseNode left=pn.getFirstChild();
735 AssignOperation op=isNode(pn,"preinc") ? new AssignOperation(AssignOperation.PLUSEQ) : new AssignOperation(AssignOperation.MINUSEQ);
736 return new AssignmentNode(parseExpression(left),
737 new LiteralNode("integer",new Integer(1)),op);
738 } else if (isNode(pn,"literal")) {
739 String literaltype=pn.getTerminal();
740 ParseNode literalnode=pn.getChild(literaltype);
741 Object literal_obj=literalnode.getLiteral();
742 return new LiteralNode(literaltype, literal_obj);
743 } else if (isNode(pn,"createobject")) {
744 TypeDescriptor td=parseTypeDescriptor(pn);
746 Vector args=parseArgumentList(pn);
747 boolean isglobal=pn.getChild("global")!=null||
748 pn.getChild("scratch")!=null;
749 String disjointId=null;
750 if( pn.getChild("disjoint") != null) {
751 disjointId = pn.getChild("disjoint").getTerminal();
753 CreateObjectNode con=new CreateObjectNode(td, isglobal, disjointId);
754 for(int i=0; i<args.size(); i++) {
755 con.addArgument((ExpressionNode)args.get(i));
757 /* Could have flag set or tag added here */
758 if (pn.getChild("flag_list")!=null||pn.getChild("tag_list")!=null) {
759 FlagEffects fe=new FlagEffects(null);
760 if (pn.getChild("flag_list")!=null)
761 parseFlagEffect(fe, pn.getChild("flag_list"));
763 if (pn.getChild("tag_list")!=null)
764 parseTagEffect(fe, pn.getChild("tag_list"));
765 con.addFlagEffects(fe);
769 } else if (isNode(pn,"createarray")) {
770 //System.out.println(pn.PPrint(3,true));
771 boolean isglobal=pn.getChild("global")!=null||
772 pn.getChild("scratch")!=null;
773 String disjointId=null;
774 if( pn.getChild("disjoint") != null) {
775 disjointId = pn.getChild("disjoint").getTerminal();
777 TypeDescriptor td=parseTypeDescriptor(pn);
778 Vector args=parseDimExprs(pn);
780 if (pn.getChild("dims_opt").getLiteral()!=null)
781 num=((Integer)pn.getChild("dims_opt").getLiteral()).intValue();
782 for(int i=0; i<(args.size()+num); i++)
783 td=td.makeArray(state);
784 CreateObjectNode con=new CreateObjectNode(td, isglobal, disjointId);
785 for(int i=0; i<args.size(); i++) {
786 con.addArgument((ExpressionNode)args.get(i));
789 } if (isNode(pn,"createarray2") && state.MGC) {
790 TypeDescriptor td=parseTypeDescriptor(pn);
792 if (pn.getChild("dims_opt").getLiteral()!=null)
793 num=((Integer)pn.getChild("dims_opt").getLiteral()).intValue();
794 for(int i=0; i<num; i++)
795 td=td.makeArray(state);
796 CreateObjectNode con=new CreateObjectNode(td, false, null);
797 // TODO array initializers
798 ParseNode ipn = pn.getChild("initializer");
799 Vector initializers=parseVariableInitializerList(ipn);
800 ArrayInitializerNode ain = new ArrayInitializerNode(initializers);
801 con.addArrayInitializer(ain);
803 } else if (isNode(pn,"name")) {
804 NameDescriptor nd=parseName(pn);
805 return new NameNode(nd);
806 } else if (isNode(pn,"this")) {
807 NameDescriptor nd=new NameDescriptor("this");
808 return new NameNode(nd);
809 } else if (isNode(pn,"isavailable")) {
810 NameDescriptor nd=new NameDescriptor(pn.getTerminal());
811 return new OpNode(new NameNode(nd),null,new Operation(Operation.ISAVAILABLE));
812 } else if (isNode(pn,"methodinvoke1")) {
813 NameDescriptor nd=parseName(pn.getChild("name"));
814 Vector args=parseArgumentList(pn);
815 MethodInvokeNode min=new MethodInvokeNode(nd);
816 for(int i=0; i<args.size(); i++) {
817 min.addArgument((ExpressionNode)args.get(i));
820 } else if (isNode(pn,"methodinvoke2")) {
821 String methodid=pn.getChild("id").getTerminal();
822 ExpressionNode exp=parseExpression(pn.getChild("base").getFirstChild());
823 Vector args=parseArgumentList(pn);
824 MethodInvokeNode min=new MethodInvokeNode(methodid,exp);
825 for(int i=0; i<args.size(); i++) {
826 min.addArgument((ExpressionNode)args.get(i));
829 } else if (isNode(pn,"fieldaccess")) {
830 ExpressionNode en=parseExpression(pn.getChild("base").getFirstChild());
831 String fieldname=pn.getChild("field").getTerminal();
832 return new FieldAccessNode(en,fieldname);
833 } else if (isNode(pn,"arrayaccess")) {
834 ExpressionNode en=parseExpression(pn.getChild("base").getFirstChild());
835 ExpressionNode index=parseExpression(pn.getChild("index").getFirstChild());
836 return new ArrayAccessNode(en,index);
837 } else if (isNode(pn,"cast1")) {
839 return new CastNode(parseTypeDescriptor(pn.getChild("type")),parseExpression(pn.getChild("exp").getFirstChild()));
840 } catch (Exception e) {
841 System.out.println(pn.PPrint(1,true));
845 } else if (isNode(pn,"cast2")) {
846 return new CastNode(parseExpression(pn.getChild("type").getFirstChild()),parseExpression(pn.getChild("exp").getFirstChild()));
847 } else if (isNode(pn, "getoffset")) {
848 TypeDescriptor td=parseTypeDescriptor(pn);
849 String fieldname = pn.getChild("field").getTerminal();
850 //System.out.println("Checking the values of: "+ " td.toString()= " + td.toString()+ " fieldname= " + fieldname);
851 return new OffsetNode(td, fieldname);
852 } else if (isNode(pn, "tert")) {
853 return new TertiaryNode(parseExpression(pn.getChild("cond").getFirstChild()),
854 parseExpression(pn.getChild("trueexpr").getFirstChild()),
855 parseExpression(pn.getChild("falseexpr").getFirstChild()) );
856 } else if (isNode(pn, "instanceof")) {
857 ExpressionNode exp=parseExpression(pn.getChild("exp").getFirstChild());
858 TypeDescriptor t=parseTypeDescriptor(pn);
859 return new InstanceOfNode(exp,t);
860 } else if (isNode(pn, "array_initializer")) {
861 Vector initializers=parseVariableInitializerList(pn);
862 return new ArrayInitializerNode(initializers);
863 } else if (isNode(pn, "class_type") && state.MGC) {
864 TypeDescriptor td=parseTypeDescriptor(pn);
865 return new ClassTypeNode(td);
866 } else if (isNode(pn, "empty") && state.MGC) {
869 System.out.println("---------------------");
870 System.out.println(pn.PPrint(3,true));
875 private Vector parseDimExprs(ParseNode pn) {
876 Vector arglist=new Vector();
877 ParseNode an=pn.getChild("dim_exprs");
878 if (an==null) /* No argument list */
880 ParseNodeVector anv=an.getChildren();
881 for(int i=0; i<anv.size(); i++) {
882 arglist.add(parseExpression(anv.elementAt(i)));
887 private Vector parseArgumentList(ParseNode pn) {
888 Vector arglist=new Vector();
889 ParseNode an=pn.getChild("argument_list");
890 if (an==null) /* No argument list */
892 ParseNodeVector anv=an.getChildren();
893 for(int i=0; i<anv.size(); i++) {
894 arglist.add(parseExpression(anv.elementAt(i)));
899 private Vector[] parseConsArgumentList(ParseNode pn) {
900 Vector arglist=new Vector();
901 Vector varlist=new Vector();
902 ParseNode an=pn.getChild("cons_argument_list");
903 if (an==null) /* No argument list */
904 return new Vector[] {varlist, arglist};
905 ParseNodeVector anv=an.getChildren();
906 for(int i=0; i<anv.size(); i++) {
907 ParseNode cpn=anv.elementAt(i);
908 ParseNode var=cpn.getChild("var");
909 ParseNode exp=cpn.getChild("exp").getFirstChild();
910 varlist.add(var.getTerminal());
911 arglist.add(parseExpression(exp));
913 return new Vector[] {varlist, arglist};
916 private Vector parseVariableInitializerList(ParseNode pn) {
917 Vector varInitList=new Vector();
918 ParseNode vin=pn.getChild("var_init_list");
919 if (vin==null) /* No argument list */
921 ParseNodeVector vinv=vin.getChildren();
922 for(int i=0; i<vinv.size(); i++) {
923 varInitList.add(parseExpression(vinv.elementAt(i)));
928 private ExpressionNode parseAssignmentExpression(ParseNode pn) {
929 AssignOperation ao=new AssignOperation(pn.getChild("op").getTerminal());
930 ParseNodeVector pnv=pn.getChild("args").getChildren();
932 AssignmentNode an=new AssignmentNode(parseExpression(pnv.elementAt(0)),parseExpression(pnv.elementAt(1)),ao);
937 private void parseMethodDecl(ClassDescriptor cn, ParseNode pn) {
938 ParseNode headern=pn.getChild("method_header");
939 ParseNode bodyn=pn.getChild("body");
940 MethodDescriptor md=parseMethodHeader(headern);
942 BlockNode bn=parseBlock(bodyn);
944 state.addTreeCode(md,bn);
946 // this is a hack for investigating new language features
947 // at the AST level, someday should evolve into a nice compiler
949 //if( cn.getSymbol().equals( ***put a class in here like: "Test" ) &&
950 // md.getSymbol().equals( ***put your method in here like: "main" )
952 // bn.setStyle( BlockNode.NORMAL );
953 // System.out.println( bn.printNode( 0 ) );
956 } catch (Exception e) {
957 System.out.println("Error with method:"+md.getSymbol());
961 System.out.println("Error with method:"+md.getSymbol());
967 private void parseConstructorDecl(ClassDescriptor cn, ParseNode pn) {
968 ParseNode mn=pn.getChild("modifiers");
969 Modifiers m=parseModifiersList(mn);
970 ParseNode cdecl=pn.getChild("constructor_declarator");
971 boolean isglobal=cdecl.getChild("global")!=null;
972 String name=cdecl.getChild("name").getChild("identifier").getTerminal();
973 MethodDescriptor md=new MethodDescriptor(m, name, isglobal);
974 ParseNode paramnode=cdecl.getChild("parameters");
975 parseParameterList(md,paramnode);
976 ParseNode bodyn0=pn.getChild("body");
977 ParseNode bodyn=bodyn0.getChild("constructor_body");
980 if (bodyn!=null&&bodyn.getChild("block_statement_list")!=null)
981 bn=parseBlock(bodyn);
984 if (bodyn!=null&&bodyn.getChild("superinvoke")!=null) {
985 ParseNode sin=bodyn.getChild("superinvoke");
986 NameDescriptor nd=new NameDescriptor("super");
987 Vector args=parseArgumentList(sin);
988 MethodInvokeNode min=new MethodInvokeNode(nd);
989 for(int i=0; i<args.size(); i++) {
990 min.addArgument((ExpressionNode)args.get(i));
992 BlockExpressionNode ben=new BlockExpressionNode(min);
993 bn.addFirstBlockStatement(ben);
995 } else if (bodyn!=null&&bodyn.getChild("explconstrinv")!=null) {
996 ParseNode eci=bodyn.getChild("explconstrinv");
997 NameDescriptor nd=new NameDescriptor(cn.getSymbol());
998 Vector args=parseArgumentList(eci);
999 MethodInvokeNode min=new MethodInvokeNode(nd);
1000 for(int i=0; i<args.size(); i++) {
1001 min.addArgument((ExpressionNode)args.get(i));
1003 BlockExpressionNode ben=new BlockExpressionNode(min);
1004 bn.addFirstBlockStatement(ben);
1006 state.addTreeCode(md,bn);
1009 private void parseStaticBlockDecl(ClassDescriptor cn, ParseNode pn) {
1010 // Each class maintains one MethodDecscriptor which combines all its
1011 // static blocks in their declaration order
1012 boolean isfirst = false;
1013 MethodDescriptor md = (MethodDescriptor)cn.getMethodTable().getFromSameScope("staticblocks");
1015 // the first static block for this class
1016 Modifiers m_i=new Modifiers();
1017 m_i.addModifier(Modifiers.STATIC);
1018 md = new MethodDescriptor(m_i, "staticblocks", false);
1019 md.setAsStaticBlock();
1022 ParseNode bodyn=pn.getChild("body");
1026 cn.incStaticBlocks();
1028 if (bodyn!=null&&bodyn.getChild("block_statement_list")!=null)
1029 bn=parseBlock(bodyn);
1033 state.addTreeCode(md,bn);
1035 BlockNode obn = state.getMethodBody(md);
1036 for(int i = 0; i < bn.size(); i++) {
1037 BlockStatementNode bsn = bn.get(i);
1038 obn.addBlockStatement(bsn);
1040 state.addTreeCode(md, obn);
1045 public BlockNode parseBlock(ParseNode pn) {
1046 this.m_taskexitnum = 0;
1047 if (pn==null||isEmpty(pn.getTerminal()))
1048 return new BlockNode();
1049 ParseNode bsn=pn.getChild("block_statement_list");
1050 return parseBlockHelper(bsn);
1053 private BlockNode parseBlockHelper(ParseNode pn) {
1054 ParseNodeVector pnv=pn.getChildren();
1055 BlockNode bn=new BlockNode();
1056 for(int i=0; i<pnv.size(); i++) {
1057 Vector bsv=parseBlockStatement(pnv.elementAt(i));
1058 for(int j=0; j<bsv.size(); j++) {
1059 bn.addBlockStatement((BlockStatementNode)bsv.get(j));
1065 public BlockNode parseSingleBlock(ParseNode pn) {
1066 BlockNode bn=new BlockNode();
1067 Vector bsv=parseBlockStatement(pn);
1068 for(int j=0; j<bsv.size(); j++) {
1069 bn.addBlockStatement((BlockStatementNode)bsv.get(j));
1071 bn.setStyle(BlockNode.NOBRACES);
1075 public Vector parseSESEBlock(Vector parentbs, ParseNode pn) {
1076 ParseNodeVector pnv=pn.getChildren();
1077 Vector bv=new Vector();
1078 for(int i=0; i<pnv.size(); i++) {
1079 bv.addAll(parseBlockStatement(pnv.elementAt(i)));
1084 public Vector parseBlockStatement(ParseNode pn) {
1085 Vector blockstatements=new Vector();
1086 if (isNode(pn,"tag_declaration")) {
1087 String name=pn.getChild("single").getTerminal();
1088 String type=pn.getChild("type").getTerminal();
1090 blockstatements.add(new TagDeclarationNode(name, type));
1091 } else if (isNode(pn,"local_variable_declaration")) {
1092 TypeDescriptor t=parseTypeDescriptor(pn);
1093 ParseNode vn=pn.getChild("variable_declarators_list");
1094 ParseNodeVector pnv=vn.getChildren();
1095 for(int i=0; i<pnv.size(); i++) {
1096 ParseNode vardecl=pnv.elementAt(i);
1099 ParseNode tmp=vardecl;
1100 TypeDescriptor arrayt=t;
1101 while (tmp.getChild("single")==null) {
1102 arrayt=arrayt.makeArray(state);
1103 tmp=tmp.getChild("array");
1105 String identifier=tmp.getChild("single").getTerminal();
1107 ParseNode epn=vardecl.getChild("initializer");
1110 ExpressionNode en=null;
1112 en=parseExpression(epn.getFirstChild());
1114 blockstatements.add(new DeclarationNode(new VarDescriptor(arrayt, identifier),en));
1116 } else if (isNode(pn,"nop")) {
1118 } else if (isNode(pn,"expression")) {
1119 blockstatements.add(new BlockExpressionNode(parseExpression(pn.getFirstChild())));
1120 } else if (isNode(pn,"ifstatement")) {
1121 blockstatements.add(new IfStatementNode(parseExpression(pn.getChild("condition").getFirstChild()),
1122 parseSingleBlock(pn.getChild("statement").getFirstChild()),
1123 pn.getChild("else_statement")!=null ? parseSingleBlock(pn.getChild("else_statement").getFirstChild()) : null));
1124 } else if ((state.MGC) && (isNode(pn,"switch_statement"))) {
1125 // TODO add version for normal Java later
1126 blockstatements.add(new SwitchStatementNode(parseExpression(pn.getChild("condition").getFirstChild()),
1127 parseSingleBlock(pn.getChild("statement").getFirstChild())));
1128 } else if ((state.MGC) && (isNode(pn,"switch_block_list"))) {
1129 // TODO add version for normal Java later
1130 ParseNodeVector pnv=pn.getChildren();
1131 for(int i=0; i<pnv.size(); i++) {
1132 ParseNode sblockdecl=pnv.elementAt(i);
1134 if(isNode(sblockdecl, "switch_block")) {
1135 ParseNode lpn=sblockdecl.getChild("switch_labels").getChild("switch_label_list");
1136 ParseNodeVector labelv=lpn.getChildren();
1137 Vector<SwitchLabelNode> slv = new Vector<SwitchLabelNode>();
1138 for(int j=0; j<labelv.size(); j++) {
1139 ParseNode labeldecl=labelv.elementAt(j);
1140 if(isNode(labeldecl, "switch_label")) {
1141 slv.addElement(new SwitchLabelNode(parseExpression(labeldecl.getChild("constant_expression").getFirstChild()), false));
1142 } else if(isNode(labeldecl, "default_switch_label")) {
1143 slv.addElement(new SwitchLabelNode(null, true));
1147 blockstatements.add(new SwitchBlockNode(slv,
1148 parseSingleBlock(sblockdecl.getChild("switch_statements").getFirstChild())));
1152 } else if (state.MGC && isNode(pn, "trycatchstatement")) {
1153 // TODO add version for normal Java later
1154 // Do not fully support exceptions now. Only make sure that if there are no
1155 // exceptions thrown, the execution is right
1156 ParseNode tpn = pn.getChild("tryblock").getFirstChild();
1157 BlockNode bn=parseBlockHelper(tpn);
1158 blockstatements.add(new SubBlockNode(bn));
1160 ParseNode fbk = pn.getChild("finallyblock");
1162 ParseNode fpn = fbk.getFirstChild();
1163 BlockNode fbn=parseBlockHelper(fpn);
1164 blockstatements.add(new SubBlockNode(fbn));
1166 } else if (isNode(pn, "throwstatement")) {
1167 // TODO Simply return here
1168 //blockstatements.add(new ReturnNode());
1169 } else if (isNode(pn,"taskexit")) {
1171 if (pn.getChild("flag_effects_list")!=null)
1172 vfe=parseFlags(pn.getChild("flag_effects_list"));
1174 if (pn.getChild("cons_checks")!=null)
1175 ccs=parseChecks(pn.getChild("cons_checks"));
1177 blockstatements.add(new TaskExitNode(vfe, ccs, this.m_taskexitnum++));
1178 } else if (isNode(pn,"atomic")) {
1179 BlockNode bn=parseBlockHelper(pn);
1180 blockstatements.add(new AtomicNode(bn));
1181 } else if (isNode(pn,"synchronized")) {
1182 BlockNode bn=parseBlockHelper(pn.getChild("block"));
1183 ExpressionNode en=parseExpression(pn.getChild("expr").getFirstChild());
1184 blockstatements.add(new SynchronizedNode(en, bn));
1185 } else if (isNode(pn,"return")) {
1186 if (isEmpty(pn.getTerminal()))
1187 blockstatements.add(new ReturnNode());
1189 ExpressionNode en=parseExpression(pn.getFirstChild());
1190 blockstatements.add(new ReturnNode(en));
1192 } else if (isNode(pn,"block_statement_list")) {
1193 BlockNode bn=parseBlockHelper(pn);
1194 blockstatements.add(new SubBlockNode(bn));
1195 } else if (isNode(pn,"empty")) {
1197 } else if (isNode(pn,"statement_expression_list")) {
1198 ParseNodeVector pnv=pn.getChildren();
1199 BlockNode bn=new BlockNode();
1200 for(int i=0; i<pnv.size(); i++) {
1201 ExpressionNode en=parseExpression(pnv.elementAt(i));
1202 blockstatements.add(new BlockExpressionNode(en));
1204 bn.setStyle(BlockNode.EXPRLIST);
1205 } else if (isNode(pn,"forstatement")) {
1206 BlockNode init=parseSingleBlock(pn.getChild("initializer").getFirstChild());
1207 BlockNode update=parseSingleBlock(pn.getChild("update").getFirstChild());
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(init,condition,update,body));
1215 } else if (isNode(pn,"whilestatement")) {
1216 ExpressionNode condition=parseExpression(pn.getChild("condition").getFirstChild());
1217 BlockNode body=parseSingleBlock(pn.getChild("statement").getFirstChild());
1218 if(condition == null) {
1219 // no condition clause, make a 'true' expression as the condition
1220 condition = (ExpressionNode)new LiteralNode("boolean", new Boolean(true));
1222 blockstatements.add(new LoopNode(condition,body,LoopNode.WHILELOOP));
1223 } else if (isNode(pn,"dowhilestatement")) {
1224 ExpressionNode condition=parseExpression(pn.getChild("condition").getFirstChild());
1225 BlockNode body=parseSingleBlock(pn.getChild("statement").getFirstChild());
1226 if(condition == null) {
1227 // no condition clause, make a 'true' expression as the condition
1228 condition = (ExpressionNode)new LiteralNode("boolean", new Boolean(true));
1230 blockstatements.add(new LoopNode(condition,body,LoopNode.DOWHILELOOP));
1231 } else if (isNode(pn,"sese")) {
1232 ParseNode pnID=pn.getChild("identifier");
1234 if( pnID != null ) { stID=pnID.getFirstChild().getTerminal(); }
1235 SESENode start=new SESENode(stID);
1236 SESENode end =new SESENode(stID);
1237 start.setEnd( end );
1238 end.setStart( start );
1239 blockstatements.add(start);
1240 blockstatements.addAll(parseSESEBlock(blockstatements,pn.getChild("body").getFirstChild()));
1241 blockstatements.add(end);
1242 } else if (isNode(pn,"continue")) {
1243 blockstatements.add(new ContinueBreakNode(false));
1244 } else if (isNode(pn,"break")) {
1245 blockstatements.add(new ContinueBreakNode(true));
1247 } else if (isNode(pn,"genreach")) {
1248 String graphName = pn.getChild("graphName").getTerminal();
1249 blockstatements.add( new GenReachNode( graphName ) );
1252 System.out.println("---------------");
1253 System.out.println(pn.PPrint(3,true));
1256 return blockstatements;
1259 public MethodDescriptor parseMethodHeader(ParseNode pn) {
1260 ParseNode mn=pn.getChild("modifiers");
1261 Modifiers m=parseModifiersList(mn);
1263 ParseNode tn=pn.getChild("returntype");
1264 TypeDescriptor returntype;
1266 returntype=parseTypeDescriptor(tn);
1268 returntype=new TypeDescriptor(TypeDescriptor.VOID);
1270 ParseNode pmd=pn.getChild("method_declarator");
1271 String name=pmd.getChild("name").getTerminal();
1272 MethodDescriptor md=new MethodDescriptor(m, returntype, name);
1274 ParseNode paramnode=pmd.getChild("parameters");
1275 parseParameterList(md,paramnode);
1279 public void parseParameterList(MethodDescriptor md, ParseNode pn) {
1280 ParseNode paramlist=pn.getChild("formal_parameter_list");
1281 if (paramlist==null)
1283 ParseNodeVector pnv=paramlist.getChildren();
1284 for(int i=0; i<pnv.size(); i++) {
1285 ParseNode paramn=pnv.elementAt(i);
1287 if (isNode(paramn, "tag_parameter")) {
1288 String paramname=paramn.getChild("single").getTerminal();
1289 TypeDescriptor type=new TypeDescriptor(TypeDescriptor.TAG);
1290 md.addTagParameter(type, paramname);
1292 TypeDescriptor type=parseTypeDescriptor(paramn);
1294 ParseNode tmp=paramn;
1295 while (tmp.getChild("single")==null) {
1296 type=type.makeArray(state);
1297 tmp=tmp.getChild("array");
1299 String paramname=tmp.getChild("single").getTerminal();
1301 md.addParameter(type, paramname);
1306 public Modifiers parseModifiersList(ParseNode pn) {
1307 Modifiers m=new Modifiers();
1308 ParseNode modlist=pn.getChild("modifier_list");
1309 if (modlist!=null) {
1310 ParseNodeVector pnv=modlist.getChildren();
1311 for(int i=0; i<pnv.size(); i++) {
1312 ParseNode modn=pnv.elementAt(i);
1313 if (isNode(modn,"public"))
1314 m.addModifier(Modifiers.PUBLIC);
1315 else if (isNode(modn,"protected"))
1316 m.addModifier(Modifiers.PROTECTED);
1317 else if (isNode(modn,"private"))
1318 m.addModifier(Modifiers.PRIVATE);
1319 else if (isNode(modn,"static"))
1320 m.addModifier(Modifiers.STATIC);
1321 else if (isNode(modn,"final"))
1322 m.addModifier(Modifiers.FINAL);
1323 else if (isNode(modn,"native"))
1324 m.addModifier(Modifiers.NATIVE);
1325 else if (isNode(modn,"synchronized"))
1326 m.addModifier(Modifiers.SYNCHRONIZED);
1327 else if (isNode(modn,"atomic"))
1328 m.addModifier(Modifiers.ATOMIC);
1329 else if (isNode(modn,"abstract"))
1330 m.addModifier(Modifiers.ABSTRACT);
1331 else if (isNode(modn,"volatile"))
1332 m.addModifier(Modifiers.VOLATILE);
1333 else if (isNode(modn,"transient"))
1334 m.addModifier(Modifiers.TRANSIENT);
1335 else throw new Error("Unrecognized Modifier");
1341 private boolean isNode(ParseNode pn, String label) {
1342 if (pn.getLabel().equals(label))
1347 private static boolean isEmpty(ParseNode pn) {
1348 if (pn.getLabel().equals("empty"))
1354 private static boolean isEmpty(String s) {
1355 if (s.equals("empty"))
1361 /** Throw an exception if something is unexpected */
1362 private void check(ParseNode pn, String label) {
1364 throw new Error(pn+ "IE: Expected '" + label + "', got null");
1366 if (!pn.getLabel().equals(label)) {
1367 throw new Error(pn+ "IE: Expected '" + label + "', got '"+pn.getLabel()+"'");