8 public BuildIR(State state) {
11 public void buildtree() {
12 for(Iterator it=state.parsetrees.iterator();it.hasNext();) {
13 ParseNode pn=(ParseNode)it.next();
18 /** Parse the classes in this file */
19 public void parseFile(ParseNode pn) {
20 ParseNode tpn=pn.getChild("type_declaration_list");
22 ParseNodeVector pnv=tpn.getChildren();
23 for(int i=0;i<pnv.size();i++) {
24 ParseNode type_pn=pnv.elementAt(i);
25 if (isEmpty(type_pn)) /* Skip the semicolon */
27 if (isNode(type_pn,"class_declaration")) {
28 ClassDescriptor cn=parseTypeDecl(type_pn);
30 } else if (isNode(type_pn,"task_declaration")) {
31 TaskDescriptor td=parseTaskDecl(type_pn);
34 throw new Error(type_pn.getLabel());
40 public TaskDescriptor parseTaskDecl(ParseNode pn) {
41 TaskDescriptor td=new TaskDescriptor(pn.getChild("name").getTerminal());
42 ParseNode bodyn=pn.getChild("body");
43 BlockNode bn=parseBlock(bodyn);
44 parseParameterList(td, pn);
45 state.addTreeCode(td,bn);
46 if (pn.getChild("flag_effects_list")!=null)
47 td.addFlagEffects(parseFlags(pn.getChild("flag_effects_list")));
51 public Vector parseFlags(ParseNode pn) {
52 Vector vfe=new Vector();
53 ParseNodeVector pnv=pn.getChildren();
54 for(int i=0;i<pnv.size();i++) {
55 ParseNode fn=pnv.elementAt(i);
56 FlagEffects fe=parseFlagEffects(fn);
62 public FlagEffects parseFlagEffects(ParseNode pn) {
63 if (isNode(pn,"flag_effect")) {
64 String flagname=pn.getChild("name").getTerminal();
65 FlagEffects fe=new FlagEffects(flagname);
66 parseFlagEffect(fe, pn.getChild("flag_list"));
68 } else throw new Error();
71 public void parseFlagEffect(FlagEffects fes, ParseNode pn) {
72 ParseNodeVector pnv=pn.getChildren();
73 for(int i=0;i<pnv.size();i++) {
74 ParseNode pn2=pnv.elementAt(i);
76 if (isNode(pn2,"not")) {
78 pn2=pn2.getChild("name");
80 String name=pn2.getTerminal();
81 fes.addEffect(new FlagEffect(name,status));
85 public FlagExpressionNode parseFlagExpression(ParseNode pn) {
86 if (isNode(pn,"or")) {
87 ParseNodeVector pnv=pn.getChildren();
88 ParseNode left=pnv.elementAt(0);
89 ParseNode right=pnv.elementAt(1);
90 return new FlagOpNode(parseFlagExpression(left), parseFlagExpression(right), new Operation(Operation.LOGIC_OR));
91 } else if (isNode(pn,"and")) {
92 ParseNodeVector pnv=pn.getChildren();
93 ParseNode left=pnv.elementAt(0);
94 ParseNode right=pnv.elementAt(1);
95 return new FlagOpNode(parseFlagExpression(left), parseFlagExpression(right), new Operation(Operation.LOGIC_AND));
96 } else if (isNode(pn, "not")) {
97 ParseNodeVector pnv=pn.getChildren();
98 ParseNode left=pnv.elementAt(0);
99 return new FlagOpNode(parseFlagExpression(left), new Operation(Operation.LOGIC_NOT));
101 } else if (isNode(pn,"name")) {
102 return new FlagNode(pn.getTerminal());
108 public Vector parseChecks(ParseNode pn) {
109 Vector ccs=new Vector();
110 ParseNodeVector pnv=pn.getChildren();
111 for(int i=0;i<pnv.size();i++) {
112 ParseNode fn=pnv.elementAt(i);
113 ConstraintCheck cc=parseConstraintCheck(fn);
119 public ConstraintCheck parseConstraintCheck(ParseNode pn) {
120 if (isNode(pn,"cons_check")) {
121 String specname=pn.getChild("name").getChild("identifier").getTerminal();
122 Vector[] args=parseConsArgumentList(pn);
123 ConstraintCheck cc=new ConstraintCheck(specname);
124 for(int i=0;i<args[0].size();i++) {
125 cc.addVariable((String)args[0].get(i));
126 cc.addArgument((ExpressionNode)args[1].get(i));
129 } else throw new Error();
132 public void parseParameterList(TaskDescriptor td, ParseNode pn) {
133 ParseNode paramlist=pn.getChild("task_parameter_list");
136 ParseNodeVector pnv=paramlist.getChildren();
137 for(int i=0;i<pnv.size();i++) {
138 ParseNode paramn=pnv.elementAt(i);
139 TypeDescriptor type=parseTypeDescriptor(paramn);
141 ParseNode tmp=paramn;
142 while (tmp.getChild("single")==null) {
143 type=type.makeArray(state);
144 tmp=tmp.getChild("array");
146 String paramname=tmp.getChild("single").getTerminal();
147 FlagExpressionNode fen=parseFlagExpression(paramn.getChild("flag").getFirstChild());
149 td.addParameter(type,paramname,fen);
153 public ClassDescriptor parseTypeDecl(ParseNode pn) {
154 ClassDescriptor cn=new ClassDescriptor(pn.getChild("name").getTerminal());
155 if (!isEmpty(pn.getChild("super").getTerminal())) {
156 /* parse superclass name */
157 ParseNode snn=pn.getChild("super").getChild("type").getChild("class").getChild("name");
158 NameDescriptor nd=parseName(snn);
159 cn.setSuper(nd.toString());
161 if (!cn.getSymbol().equals(TypeUtil.ObjectClass))
162 cn.setSuper(TypeUtil.ObjectClass);
164 cn.setModifiers(parseModifiersList(pn.getChild("modifiers")));
165 parseClassBody(cn, pn.getChild("classbody"));
169 private void parseClassBody(ClassDescriptor cn, ParseNode pn) {
170 ParseNode decls=pn.getChild("class_body_declaration_list");
172 ParseNodeVector pnv=decls.getChildren();
173 for(int i=0;i<pnv.size();i++) {
174 ParseNode decl=pnv.elementAt(i);
175 if (isNode(decl,"member")) {
176 parseClassMember(cn,decl);
177 } else if (isNode(decl,"constructor")) {
178 parseConstructorDecl(cn,decl.getChild("constructor_declaration"));
179 } else if (isNode(decl,"block")) {
180 } else throw new Error();
185 private void parseClassMember(ClassDescriptor cn, ParseNode pn) {
186 ParseNode fieldnode=pn.getChild("field");
188 if (fieldnode!=null) {
189 parseFieldDecl(cn,fieldnode.getChild("field_declaration"));
192 ParseNode methodnode=pn.getChild("method");
193 if (methodnode!=null) {
194 parseMethodDecl(cn,methodnode.getChild("method_declaration"));
197 ParseNode flagnode=pn.getChild("flag");
198 if (flagnode!=null) {
199 parseFlagDecl(cn, flagnode.getChild("flag_declaration"));
205 private TypeDescriptor parseTypeDescriptor(ParseNode pn) {
206 ParseNode tn=pn.getChild("type");
208 String type_st=tn.getTerminal();
209 if(type_st.equals("byte")) {
210 return state.getTypeDescriptor(TypeDescriptor.BYTE);
211 } else if(type_st.equals("short")) {
212 return state.getTypeDescriptor(TypeDescriptor.SHORT);
213 } else if(type_st.equals("boolean")) {
214 return state.getTypeDescriptor(TypeDescriptor.BOOLEAN);
215 } else if(type_st.equals("int")) {
216 return state.getTypeDescriptor(TypeDescriptor.INT);
217 } else if(type_st.equals("long")) {
218 return state.getTypeDescriptor(TypeDescriptor.LONG);
219 } else if(type_st.equals("char")) {
220 return state.getTypeDescriptor(TypeDescriptor.CHAR);
221 } else if(type_st.equals("float")) {
222 return state.getTypeDescriptor(TypeDescriptor.FLOAT);
223 } else if(type_st.equals("double")) {
224 return state.getTypeDescriptor(TypeDescriptor.DOUBLE);
225 } else if(type_st.equals("class")) {
226 ParseNode nn=tn.getChild("class");
227 return state.getTypeDescriptor(parseName(nn.getChild("name")));
228 } else if(type_st.equals("array")) {
229 ParseNode nn=tn.getChild("array");
230 TypeDescriptor td=parseTypeDescriptor(nn.getChild("basetype"));
231 Integer numdims=(Integer)nn.getChild("dims").getLiteral();
232 for(int i=0;i<numdims.intValue();i++)
233 td=td.makeArray(state);
240 private NameDescriptor parseName(ParseNode nn) {
241 ParseNode base=nn.getChild("base");
242 ParseNode id=nn.getChild("identifier");
244 return new NameDescriptor(id.getTerminal());
245 return new NameDescriptor(parseName(base.getChild("name")),id.getTerminal());
249 private void parseFlagDecl(ClassDescriptor cn,ParseNode pn) {
250 String name=pn.getChild("name").getTerminal();
251 FlagDescriptor flag=new FlagDescriptor(name);
252 if (pn.getChild("external")!=null)
257 private void parseFieldDecl(ClassDescriptor cn,ParseNode pn) {
258 ParseNode mn=pn.getChild("modifier");
259 Modifiers m=parseModifiersList(mn);
261 ParseNode tn=pn.getChild("type");
262 TypeDescriptor t=parseTypeDescriptor(tn);
263 ParseNode vn=pn.getChild("variables").getChild("variable_declarators_list");
264 ParseNodeVector pnv=vn.getChildren();
265 for(int i=0;i<pnv.size();i++) {
266 ParseNode vardecl=pnv.elementAt(i);
269 ParseNode tmp=vardecl;
270 TypeDescriptor arrayt=t;
271 while (tmp.getChild("single")==null) {
272 arrayt=arrayt.makeArray(state);
273 tmp=tmp.getChild("array");
275 String identifier=tmp.getChild("single").getTerminal();
277 ParseNode epn=vardecl.getChild("initializer");
279 ExpressionNode en=null;
281 en=parseExpression(epn.getFirstChild());
283 cn.addField(new FieldDescriptor(m,arrayt,identifier, en));
288 private ExpressionNode parseExpression(ParseNode pn) {
289 if (isNode(pn,"assignment"))
290 return parseAssignmentExpression(pn);
291 else if (isNode(pn,"logical_or")||isNode(pn,"logical_and")||
292 isNode(pn,"bitwise_or")||isNode(pn,"bitwise_xor")||
293 isNode(pn,"bitwise_and")||isNode(pn,"equal")||
294 isNode(pn,"not_equal")||isNode(pn,"comp_lt")||
295 isNode(pn,"comp_lte")||isNode(pn,"comp_gt")||
296 isNode(pn,"comp_gte")||isNode(pn,"leftshift")||
297 isNode(pn,"rightshift")||isNode(pn,"sub")||
298 isNode(pn,"add")||isNode(pn,"mult")||
299 isNode(pn,"div")||isNode(pn,"mod")) {
300 ParseNodeVector pnv=pn.getChildren();
301 ParseNode left=pnv.elementAt(0);
302 ParseNode right=pnv.elementAt(1);
303 Operation op=new Operation(pn.getLabel());
304 return new OpNode(parseExpression(left),parseExpression(right),op);
305 } else if (isNode(pn,"unaryplus")||
306 isNode(pn,"unaryminus")||
308 ParseNode left=pn.getFirstChild();
309 Operation op=new Operation(pn.getLabel());
310 return new OpNode(parseExpression(left),op);
311 } else if (isNode(pn,"postinc")||
312 isNode(pn,"postdec")) {
313 ParseNode left=pn.getFirstChild();
314 AssignOperation op=new AssignOperation(pn.getLabel());
315 return new AssignmentNode(parseExpression(left),null,op);
317 } else if (isNode(pn,"preinc")||
318 isNode(pn,"predec")) {
319 ParseNode left=pn.getFirstChild();
320 AssignOperation op=isNode(pn,"preinc")?new AssignOperation(AssignOperation.PLUSEQ):new AssignOperation(AssignOperation.MINUSEQ);
321 return new AssignmentNode(parseExpression(left),
322 new LiteralNode("integer",new Integer(1)),op);
323 } else if (isNode(pn,"literal")) {
324 String literaltype=pn.getTerminal();
325 ParseNode literalnode=pn.getChild(literaltype);
326 Object literal_obj=literalnode.getLiteral();
327 return new LiteralNode(literaltype, literal_obj);
328 } else if (isNode(pn,"createobject")) {
329 TypeDescriptor td=parseTypeDescriptor(pn);
330 Vector args=parseArgumentList(pn);
331 CreateObjectNode con=new CreateObjectNode(td);
332 for(int i=0;i<args.size();i++) {
333 con.addArgument((ExpressionNode)args.get(i));
335 /* Could have flag set here */
336 if (pn.getChild("flag_list")!=null) {
337 FlagEffects fe=new FlagEffects(null);
338 parseFlagEffect(fe, pn.getChild("flag_list"));
339 con.addFlagEffects(fe);
342 } else if (isNode(pn,"createarray")) {
343 System.out.println(pn.PPrint(3,true));
344 TypeDescriptor td=parseTypeDescriptor(pn);
345 Vector args=parseDimExprs(pn);
347 if (pn.getChild("dims_opt").getLiteral()!=null)
348 num=((Integer)pn.getChild("dims_opt").getLiteral()).intValue();
349 for(int i=0;i<(args.size()+num);i++)
350 td=td.makeArray(state);
351 CreateObjectNode con=new CreateObjectNode(td);
352 for(int i=0;i<args.size();i++) {
353 con.addArgument((ExpressionNode)args.get(i));
356 } else if (isNode(pn,"name")) {
357 NameDescriptor nd=parseName(pn);
358 return new NameNode(nd);
359 } else if (isNode(pn,"this")) {
360 NameDescriptor nd=new NameDescriptor("this");
361 return new NameNode(nd);
362 } else if (isNode(pn,"methodinvoke1")) {
363 NameDescriptor nd=parseName(pn.getChild("name"));
364 Vector args=parseArgumentList(pn);
365 MethodInvokeNode min=new MethodInvokeNode(nd);
366 for(int i=0;i<args.size();i++) {
367 min.addArgument((ExpressionNode)args.get(i));
370 } else if (isNode(pn,"methodinvoke2")) {
371 String methodid=pn.getChild("id").getTerminal();
372 ExpressionNode exp=parseExpression(pn.getChild("base").getFirstChild());
373 Vector args=parseArgumentList(pn);
374 MethodInvokeNode min=new MethodInvokeNode(methodid,exp);
375 for(int i=0;i<args.size();i++) {
376 min.addArgument((ExpressionNode)args.get(i));
379 } else if (isNode(pn,"fieldaccess")) {
380 ExpressionNode en=parseExpression(pn.getChild("base").getFirstChild()); String fieldname=pn.getChild("field").getTerminal();
381 return new FieldAccessNode(en,fieldname);
382 } else if (isNode(pn,"arrayaccess")) {
383 ExpressionNode en=parseExpression(pn.getChild("base").getFirstChild());
384 ExpressionNode index=parseExpression(pn.getChild("index").getFirstChild());
385 return new ArrayAccessNode(en,index);
386 } else if (isNode(pn,"cast1")) {
387 return new CastNode(parseTypeDescriptor(pn.getChild("type")),parseExpression(pn.getChild("exp").getFirstChild()));
388 } else if (isNode(pn,"cast2")) {
389 return new CastNode(parseExpression(pn.getChild("type").getFirstChild()),parseExpression(pn.getChild("exp").getFirstChild()));
391 System.out.println("---------------------");
392 System.out.println(pn.PPrint(3,true));
397 private Vector parseDimExprs(ParseNode pn) {
398 Vector arglist=new Vector();
399 ParseNode an=pn.getChild("dim_exprs");
400 if (an==null) /* No argument list */
402 ParseNodeVector anv=an.getChildren();
403 for(int i=0;i<anv.size();i++) {
404 arglist.add(parseExpression(anv.elementAt(i)));
409 private Vector parseArgumentList(ParseNode pn) {
410 Vector arglist=new Vector();
411 ParseNode an=pn.getChild("argument_list");
412 if (an==null) /* No argument list */
414 ParseNodeVector anv=an.getChildren();
415 for(int i=0;i<anv.size();i++) {
416 arglist.add(parseExpression(anv.elementAt(i)));
421 private Vector[] parseConsArgumentList(ParseNode pn) {
422 Vector arglist=new Vector();
423 Vector varlist=new Vector();
424 ParseNode an=pn.getChild("cons_argument_list");
425 if (an==null) /* No argument list */
426 return new Vector[] {varlist, arglist};
427 ParseNodeVector anv=an.getChildren();
428 for(int i=0;i<anv.size();i++) {
429 ParseNode cpn=anv.elementAt(i);
430 ParseNode var=cpn.getChild("var");
431 ParseNode exp=cpn.getChild("exp").getFirstChild();
432 varlist.add(var.getTerminal());
433 arglist.add(parseExpression(exp));
435 return new Vector[] {varlist, arglist};
438 private ExpressionNode parseAssignmentExpression(ParseNode pn) {
439 AssignOperation ao=new AssignOperation(pn.getChild("op").getTerminal());
440 ParseNodeVector pnv=pn.getChild("args").getChildren();
442 AssignmentNode an=new AssignmentNode(parseExpression(pnv.elementAt(0)),parseExpression(pnv.elementAt(1)),ao);
447 private void parseMethodDecl(ClassDescriptor cn, ParseNode pn) {
448 ParseNode headern=pn.getChild("method_header");
449 ParseNode bodyn=pn.getChild("body");
450 MethodDescriptor md=parseMethodHeader(headern);
451 BlockNode bn=parseBlock(bodyn);
453 state.addTreeCode(md,bn);
456 private void parseConstructorDecl(ClassDescriptor cn, ParseNode pn) {
457 ParseNode mn=pn.getChild("modifiers");
458 Modifiers m=parseModifiersList(mn);
459 ParseNode cdecl=pn.getChild("constructor_declarator");
460 String name=cdecl.getChild("name").getChild("identifier").getTerminal();
461 MethodDescriptor md=new MethodDescriptor(m, name);
462 ParseNode paramnode=cdecl.getChild("parameters");
463 parseParameterList(md,paramnode);
464 ParseNode bodyn0=pn.getChild("body");
465 ParseNode bodyn=bodyn0.getChild("constructor_body");
467 BlockNode bn=parseBlock(bodyn);
468 state.addTreeCode(md,bn);
471 public BlockNode parseBlock(ParseNode pn) {
472 if (pn==null||isEmpty(pn.getTerminal()))
473 return new BlockNode();
474 ParseNode bsn=pn.getChild("block_statement_list");
475 return parseBlockHelper(bsn);
478 private BlockNode parseBlockHelper(ParseNode pn) {
479 ParseNodeVector pnv=pn.getChildren();
480 BlockNode bn=new BlockNode();
481 for(int i=0;i<pnv.size();i++) {
482 Vector bsv=parseBlockStatement(pnv.elementAt(i));
483 for(int j=0;j<bsv.size();j++) {
484 bn.addBlockStatement((BlockStatementNode)bsv.get(j));
490 public BlockNode parseSingleBlock(ParseNode pn) {
491 BlockNode bn=new BlockNode();
492 Vector bsv=parseBlockStatement(pn);
493 for(int j=0;j<bsv.size();j++) {
494 bn.addBlockStatement((BlockStatementNode)bsv.get(j));
496 bn.setStyle(BlockNode.NOBRACES);
500 public Vector parseBlockStatement(ParseNode pn) {
501 Vector blockstatements=new Vector();
502 if (isNode(pn,"local_variable_declaration")) {
503 TypeDescriptor t=parseTypeDescriptor(pn);
504 ParseNode vn=pn.getChild("variable_declarators_list");
505 ParseNodeVector pnv=vn.getChildren();
506 for(int i=0;i<pnv.size();i++) {
507 ParseNode vardecl=pnv.elementAt(i);
510 ParseNode tmp=vardecl;
511 TypeDescriptor arrayt=t;
512 while (tmp.getChild("single")==null) {
513 arrayt=arrayt.makeArray(state);
514 tmp=tmp.getChild("array");
516 String identifier=tmp.getChild("single").getTerminal();
518 ParseNode epn=vardecl.getChild("initializer");
521 ExpressionNode en=null;
523 en=parseExpression(epn.getFirstChild());
525 blockstatements.add(new DeclarationNode(new VarDescriptor(arrayt, identifier),en));
527 } else if (isNode(pn,"nop")) {
529 } else if (isNode(pn,"expression")) {
530 blockstatements.add(new BlockExpressionNode(parseExpression(pn.getFirstChild())));
531 } else if (isNode(pn,"ifstatement")) {
532 blockstatements.add(new IfStatementNode(parseExpression(pn.getChild("condition").getFirstChild()),
533 parseSingleBlock(pn.getChild("statement").getFirstChild()),
534 pn.getChild("else_statement")!=null?parseSingleBlock(pn.getChild("else_statement").getFirstChild()):null));
535 } else if (isNode(pn,"taskexit")) {
537 if (pn.getChild("flag_effects_list")!=null)
538 vfe=parseFlags(pn.getChild("flag_effects_list"));
540 if (pn.getChild("cons_checks")!=null)
541 ccs=parseChecks(pn.getChild("cons_checks"));
543 blockstatements.add(new TaskExitNode(vfe, ccs));
544 } else if (isNode(pn,"return")) {
545 if (isEmpty(pn.getTerminal()))
546 blockstatements.add(new ReturnNode());
548 ExpressionNode en=parseExpression(pn.getFirstChild());
549 blockstatements.add(new ReturnNode(en));
551 } else if (isNode(pn,"block_statement_list")) {
552 BlockNode bn=parseBlockHelper(pn);
553 blockstatements.add(new SubBlockNode(bn));
554 } else if (isNode(pn,"empty")) {
556 } else if (isNode(pn,"statement_expression_list")) {
557 ParseNodeVector pnv=pn.getChildren();
558 BlockNode bn=new BlockNode();
559 for(int i=0;i<pnv.size();i++) {
560 ExpressionNode en=parseExpression(pnv.elementAt(i));
561 blockstatements.add(new BlockExpressionNode(en));
563 bn.setStyle(BlockNode.EXPRLIST);
564 } else if (isNode(pn,"forstatement")) {
565 BlockNode init=parseSingleBlock(pn.getChild("initializer").getFirstChild());
566 BlockNode update=parseSingleBlock(pn.getChild("update").getFirstChild());
567 ExpressionNode condition=parseExpression(pn.getChild("condition").getFirstChild());
568 BlockNode body=parseSingleBlock(pn.getChild("statement").getFirstChild());
569 blockstatements.add(new LoopNode(init,condition,update,body));
570 } else if (isNode(pn,"whilestatement")) {
571 ExpressionNode condition=parseExpression(pn.getChild("condition").getFirstChild());
572 BlockNode body=parseSingleBlock(pn.getChild("statement").getFirstChild());
573 blockstatements.add(new LoopNode(condition,body,LoopNode.WHILELOOP));
574 } else if (isNode(pn,"dowhilestatement")) {
575 ExpressionNode condition=parseExpression(pn.getChild("condition").getFirstChild());
576 BlockNode body=parseSingleBlock(pn.getChild("statement").getFirstChild());
577 blockstatements.add(new LoopNode(condition,body,LoopNode.DOWHILELOOP));
579 System.out.println("---------------");
580 System.out.println(pn.PPrint(3,true));
583 return blockstatements;
586 public MethodDescriptor parseMethodHeader(ParseNode pn) {
587 ParseNode mn=pn.getChild("modifiers");
588 Modifiers m=parseModifiersList(mn);
590 ParseNode tn=pn.getChild("returntype");
591 TypeDescriptor returntype;
593 returntype=parseTypeDescriptor(tn);
595 returntype=new TypeDescriptor(TypeDescriptor.VOID);
597 ParseNode pmd=pn.getChild("method_declarator");
598 String name=pmd.getChild("name").getTerminal();
599 MethodDescriptor md=new MethodDescriptor(m, returntype, name);
601 ParseNode paramnode=pmd.getChild("parameters");
602 parseParameterList(md,paramnode);
606 public void parseParameterList(MethodDescriptor md, ParseNode pn) {
607 ParseNode paramlist=pn.getChild("formal_parameter_list");
610 ParseNodeVector pnv=paramlist.getChildren();
611 for(int i=0;i<pnv.size();i++) {
612 ParseNode paramn=pnv.elementAt(i);
613 TypeDescriptor type=parseTypeDescriptor(paramn);
615 ParseNode tmp=paramn;
616 while (tmp.getChild("single")==null) {
617 type=type.makeArray(state);
618 tmp=tmp.getChild("array");
620 String paramname=tmp.getChild("single").getTerminal();
622 md.addParameter(type,paramname);
626 public Modifiers parseModifiersList(ParseNode pn) {
627 Modifiers m=new Modifiers();
628 ParseNode modlist=pn.getChild("modifier_list");
630 ParseNodeVector pnv=modlist.getChildren();
631 for(int i=0;i<pnv.size();i++) {
632 ParseNode modn=pnv.elementAt(i);
633 if (isNode(modn,"public"))
634 m.addModifier(Modifiers.PUBLIC);
635 if (isNode(modn,"protected"))
636 m.addModifier(Modifiers.PROTECTED);
637 if (isNode(modn,"private"))
638 m.addModifier(Modifiers.PRIVATE);
639 if (isNode(modn,"static"))
640 m.addModifier(Modifiers.STATIC);
641 if (isNode(modn,"final"))
642 m.addModifier(Modifiers.FINAL);
643 if (isNode(modn,"native"))
644 m.addModifier(Modifiers.NATIVE);
650 private boolean isNode(ParseNode pn, String label) {
651 if (pn.getLabel().equals(label))
656 private static boolean isEmpty(ParseNode pn) {
657 if (pn.getLabel().equals("empty"))
663 private static boolean isEmpty(String s) {
664 if (s.equals("empty"))
670 /** Throw an exception if something is unexpected */
671 private void check(ParseNode pn, String label) {
673 throw new Error(pn+ "IE: Expected '" + label + "', got null");
675 if (! pn.getLabel().equals(label)) {
676 throw new Error(pn+ "IE: Expected '" + label + "', got '"+pn.getLabel()+"'");