9 private int m_taskexitnum;
11 public BuildIR(State state) {
13 this.m_taskexitnum = 0;
16 public void buildtree(ParseNode pn) {
22 NameDescriptor packages;
24 /** Parse the classes in this file */
25 public void parseFile(ParseNode pn) {
26 singleimports=new Vector();
27 multiimports=new Vector();
29 ParseNode ipn=pn.getChild("imports").getChild("import_decls_list");
31 ParseNodeVector pnv=ipn.getChildren();
32 for(int i=0; i<pnv.size(); i++) {
33 ParseNode pnimport=pnv.elementAt(i);
34 NameDescriptor nd=parseName(pnimport.getChild("name"));
35 if (isNode(pnimport,"import_single"))
36 singleimports.add(nd);
41 ParseNode ppn=pn.getChild("packages").getChild("package");
43 packages=parseName(pn.getChild("name"));
45 ParseNode tpn=pn.getChild("type_declaration_list");
47 ParseNodeVector pnv=tpn.getChildren();
48 for(int i=0; i<pnv.size(); i++) {
49 ParseNode type_pn=pnv.elementAt(i);
50 if (isEmpty(type_pn)) /* Skip the semicolon */
52 if (isNode(type_pn,"class_declaration")) {
53 ClassDescriptor cn=parseTypeDecl(type_pn);
55 } else if (isNode(type_pn,"task_declaration")) {
56 TaskDescriptor td=parseTaskDecl(type_pn);
59 throw new Error(type_pn.getLabel());
65 public TaskDescriptor parseTaskDecl(ParseNode pn) {
66 TaskDescriptor td=new TaskDescriptor(pn.getChild("name").getTerminal());
67 ParseNode bodyn=pn.getChild("body");
68 BlockNode bn=parseBlock(bodyn);
69 parseParameterList(td, pn);
70 state.addTreeCode(td,bn);
71 if (pn.getChild("flag_effects_list")!=null)
72 td.addFlagEffects(parseFlags(pn.getChild("flag_effects_list")));
76 public Vector parseFlags(ParseNode pn) {
77 Vector vfe=new Vector();
78 ParseNodeVector pnv=pn.getChildren();
79 for(int i=0; i<pnv.size(); i++) {
80 ParseNode fn=pnv.elementAt(i);
81 FlagEffects fe=parseFlagEffects(fn);
87 public FlagEffects parseFlagEffects(ParseNode pn) {
88 if (isNode(pn,"flag_effect")) {
89 String flagname=pn.getChild("name").getTerminal();
90 FlagEffects fe=new FlagEffects(flagname);
91 if (pn.getChild("flag_list")!=null)
92 parseFlagEffect(fe, pn.getChild("flag_list"));
93 if (pn.getChild("tag_list")!=null)
94 parseTagEffect(fe, pn.getChild("tag_list"));
96 } else throw new Error();
99 public void parseTagEffect(FlagEffects fes, ParseNode pn) {
100 ParseNodeVector pnv=pn.getChildren();
101 for(int i=0; i<pnv.size(); i++) {
102 ParseNode pn2=pnv.elementAt(i);
104 if (isNode(pn2,"not")) {
106 pn2=pn2.getChild("name");
108 String name=pn2.getTerminal();
109 fes.addTagEffect(new TagEffect(name,status));
113 public void parseFlagEffect(FlagEffects fes, ParseNode pn) {
114 ParseNodeVector pnv=pn.getChildren();
115 for(int i=0; i<pnv.size(); i++) {
116 ParseNode pn2=pnv.elementAt(i);
118 if (isNode(pn2,"not")) {
120 pn2=pn2.getChild("name");
122 String name=pn2.getTerminal();
123 fes.addEffect(new FlagEffect(name,status));
127 public FlagExpressionNode parseFlagExpression(ParseNode pn) {
128 if (isNode(pn,"or")) {
129 ParseNodeVector pnv=pn.getChildren();
130 ParseNode left=pnv.elementAt(0);
131 ParseNode right=pnv.elementAt(1);
132 return new FlagOpNode(parseFlagExpression(left), parseFlagExpression(right), new Operation(Operation.LOGIC_OR));
133 } else if (isNode(pn,"and")) {
134 ParseNodeVector pnv=pn.getChildren();
135 ParseNode left=pnv.elementAt(0);
136 ParseNode right=pnv.elementAt(1);
137 return new FlagOpNode(parseFlagExpression(left), parseFlagExpression(right), new Operation(Operation.LOGIC_AND));
138 } else if (isNode(pn, "not")) {
139 ParseNodeVector pnv=pn.getChildren();
140 ParseNode left=pnv.elementAt(0);
141 return new FlagOpNode(parseFlagExpression(left), new Operation(Operation.LOGIC_NOT));
143 } else if (isNode(pn,"name")) {
144 return new FlagNode(pn.getTerminal());
150 public Vector parseChecks(ParseNode pn) {
151 Vector ccs=new Vector();
152 ParseNodeVector pnv=pn.getChildren();
153 for(int i=0; i<pnv.size(); i++) {
154 ParseNode fn=pnv.elementAt(i);
155 ConstraintCheck cc=parseConstraintCheck(fn);
161 public ConstraintCheck parseConstraintCheck(ParseNode pn) {
162 if (isNode(pn,"cons_check")) {
163 String specname=pn.getChild("name").getChild("identifier").getTerminal();
164 Vector[] args=parseConsArgumentList(pn);
165 ConstraintCheck cc=new ConstraintCheck(specname);
166 for(int i=0; i<args[0].size(); i++) {
167 cc.addVariable((String)args[0].get(i));
168 cc.addArgument((ExpressionNode)args[1].get(i));
171 } else throw new Error();
174 public void parseParameterList(TaskDescriptor td, ParseNode pn) {
177 ParseNode paramlist=pn.getChild("task_parameter_list");
180 ParseNodeVector pnv=paramlist.getChildren();
181 for(int i=0; i<pnv.size(); i++) {
182 ParseNode paramn=pnv.elementAt(i);
183 if(paramn.getChild("optional")!=null) {
185 paramn = paramn.getChild("optional").getFirstChild();
186 System.out.println("OPTIONAL FOUND!!!!!!!");
187 } else { optional = false;
188 System.out.println("NOT OPTIONAL");}
190 TypeDescriptor type=parseTypeDescriptor(paramn);
192 String paramname=paramn.getChild("single").getTerminal();
193 FlagExpressionNode fen=null;
194 if (paramn.getChild("flag")!=null)
195 fen=parseFlagExpression(paramn.getChild("flag").getFirstChild());
197 ParseNode tagnode=paramn.getChild("tag");
199 TagExpressionList tel=null;
201 tel=parseTagExpressionList(tagnode);
204 td.addParameter(type,paramname,fen, tel, optional);
208 public TagExpressionList parseTagExpressionList(ParseNode pn) {
209 //BUG FIX: change pn.getChildren() to pn.getChild("tag_expression_list").getChildren()
210 //To test, feed in any input program that uses tags
211 ParseNodeVector pnv=pn.getChild("tag_expression_list").getChildren();
212 TagExpressionList tel=new TagExpressionList();
213 for(int i=0; i<pnv.size(); i++) {
214 ParseNode tn=pnv.elementAt(i);
215 String type=tn.getChild("type").getTerminal();
216 String name=tn.getChild("single").getTerminal();
217 tel.addTag(type, name);
222 public ClassDescriptor parseTypeDecl(ParseNode pn) {
223 ClassDescriptor cn=new ClassDescriptor(pn.getChild("name").getTerminal());
224 if (!isEmpty(pn.getChild("super").getTerminal())) {
225 /* parse superclass name */
226 ParseNode snn=pn.getChild("super").getChild("type").getChild("class").getChild("name");
227 NameDescriptor nd=parseName(snn);
228 cn.setSuper(nd.toString());
230 if (!(cn.getSymbol().equals(TypeUtil.ObjectClass)||
231 cn.getSymbol().equals(TypeUtil.TagClass)))
232 cn.setSuper(TypeUtil.ObjectClass);
234 cn.setModifiers(parseModifiersList(pn.getChild("modifiers")));
235 parseClassBody(cn, pn.getChild("classbody"));
239 private void parseClassBody(ClassDescriptor cn, ParseNode pn) {
240 ParseNode decls=pn.getChild("class_body_declaration_list");
242 ParseNodeVector pnv=decls.getChildren();
243 for(int i=0; i<pnv.size(); i++) {
244 ParseNode decl=pnv.elementAt(i);
245 if (isNode(decl,"member")) {
246 parseClassMember(cn,decl);
247 } else if (isNode(decl,"constructor")) {
248 parseConstructorDecl(cn,decl.getChild("constructor_declaration"));
249 } else if (isNode(decl,"block")) {
250 } else throw new Error();
255 private void parseClassMember(ClassDescriptor cn, ParseNode pn) {
256 ParseNode fieldnode=pn.getChild("field");
258 if (fieldnode!=null) {
259 parseFieldDecl(cn,fieldnode.getChild("field_declaration"));
262 ParseNode methodnode=pn.getChild("method");
263 if (methodnode!=null) {
264 parseMethodDecl(cn,methodnode.getChild("method_declaration"));
267 ParseNode flagnode=pn.getChild("flag");
268 if (flagnode!=null) {
269 parseFlagDecl(cn, flagnode.getChild("flag_declaration"));
275 private TypeDescriptor parseTypeDescriptor(ParseNode pn) {
276 ParseNode tn=pn.getChild("type");
277 String type_st=tn.getTerminal();
278 if(type_st.equals("byte")) {
279 return state.getTypeDescriptor(TypeDescriptor.BYTE);
280 } else if(type_st.equals("short")) {
281 return state.getTypeDescriptor(TypeDescriptor.SHORT);
282 } else if(type_st.equals("boolean")) {
283 return state.getTypeDescriptor(TypeDescriptor.BOOLEAN);
284 } else if(type_st.equals("int")) {
285 return state.getTypeDescriptor(TypeDescriptor.INT);
286 } else if(type_st.equals("long")) {
287 return state.getTypeDescriptor(TypeDescriptor.LONG);
288 } else if(type_st.equals("char")) {
289 return state.getTypeDescriptor(TypeDescriptor.CHAR);
290 } else if(type_st.equals("float")) {
291 return state.getTypeDescriptor(TypeDescriptor.FLOAT);
292 } else if(type_st.equals("double")) {
293 return state.getTypeDescriptor(TypeDescriptor.DOUBLE);
294 } else if(type_st.equals("class")) {
295 ParseNode nn=tn.getChild("class");
296 return state.getTypeDescriptor(parseName(nn.getChild("name")));
297 } else if(type_st.equals("array")) {
298 ParseNode nn=tn.getChild("array");
299 TypeDescriptor td=parseTypeDescriptor(nn.getChild("basetype"));
300 Integer numdims=(Integer)nn.getChild("dims").getLiteral();
301 for(int i=0; i<numdims.intValue(); i++)
302 td=td.makeArray(state);
309 private NameDescriptor parseName(ParseNode nn) {
310 ParseNode base=nn.getChild("base");
311 ParseNode id=nn.getChild("identifier");
313 return new NameDescriptor(id.getTerminal());
314 return new NameDescriptor(parseName(base.getChild("name")),id.getTerminal());
318 private void parseFlagDecl(ClassDescriptor cn,ParseNode pn) {
319 String name=pn.getChild("name").getTerminal();
320 FlagDescriptor flag=new FlagDescriptor(name);
321 if (pn.getChild("external")!=null)
326 private void parseFieldDecl(ClassDescriptor cn,ParseNode pn) {
327 ParseNode mn=pn.getChild("modifier");
328 Modifiers m=parseModifiersList(mn);
330 ParseNode tn=pn.getChild("type");
331 TypeDescriptor t=parseTypeDescriptor(tn);
332 ParseNode vn=pn.getChild("variables").getChild("variable_declarators_list");
333 ParseNodeVector pnv=vn.getChildren();
334 boolean isglobal=pn.getChild("global")!=null;
336 for(int i=0; i<pnv.size(); i++) {
337 ParseNode vardecl=pnv.elementAt(i);
338 ParseNode tmp=vardecl;
339 TypeDescriptor arrayt=t;
340 while (tmp.getChild("single")==null) {
341 arrayt=arrayt.makeArray(state);
342 tmp=tmp.getChild("array");
344 String identifier=tmp.getChild("single").getTerminal();
345 ParseNode epn=vardecl.getChild("initializer");
347 ExpressionNode en=null;
349 en=parseExpression(epn.getFirstChild());
351 cn.addField(new FieldDescriptor(m, arrayt, identifier, en, isglobal));
355 private ExpressionNode parseExpression(ParseNode pn) {
356 if (isNode(pn,"assignment"))
357 return parseAssignmentExpression(pn);
358 else if (isNode(pn,"logical_or")||isNode(pn,"logical_and")||
359 isNode(pn,"bitwise_or")||isNode(pn,"bitwise_xor")||
360 isNode(pn,"bitwise_and")||isNode(pn,"equal")||
361 isNode(pn,"not_equal")||isNode(pn,"comp_lt")||
362 isNode(pn,"comp_lte")||isNode(pn,"comp_gt")||
363 isNode(pn,"comp_gte")||isNode(pn,"leftshift")||
364 isNode(pn,"rightshift")||isNode(pn,"sub")||
365 isNode(pn,"urightshift")||isNode(pn,"sub")||
366 isNode(pn,"add")||isNode(pn,"mult")||
367 isNode(pn,"div")||isNode(pn,"mod")) {
368 ParseNodeVector pnv=pn.getChildren();
369 ParseNode left=pnv.elementAt(0);
370 ParseNode right=pnv.elementAt(1);
371 Operation op=new Operation(pn.getLabel());
372 return new OpNode(parseExpression(left),parseExpression(right),op);
373 } else if (isNode(pn,"unaryplus")||
374 isNode(pn,"unaryminus")||
377 ParseNode left=pn.getFirstChild();
378 Operation op=new Operation(pn.getLabel());
379 return new OpNode(parseExpression(left),op);
380 } else if (isNode(pn,"postinc")||
381 isNode(pn,"postdec")) {
382 ParseNode left=pn.getFirstChild();
383 AssignOperation op=new AssignOperation(pn.getLabel());
384 return new AssignmentNode(parseExpression(left),null,op);
386 } else if (isNode(pn,"preinc")||
387 isNode(pn,"predec")) {
388 ParseNode left=pn.getFirstChild();
389 AssignOperation op=isNode(pn,"preinc") ? new AssignOperation(AssignOperation.PLUSEQ) : new AssignOperation(AssignOperation.MINUSEQ);
390 return new AssignmentNode(parseExpression(left),
391 new LiteralNode("integer",new Integer(1)),op);
392 } else if (isNode(pn,"literal")) {
393 String literaltype=pn.getTerminal();
394 ParseNode literalnode=pn.getChild(literaltype);
395 Object literal_obj=literalnode.getLiteral();
396 return new LiteralNode(literaltype, literal_obj);
397 } else if (isNode(pn,"createobject")) {
398 TypeDescriptor td=parseTypeDescriptor(pn);
400 Vector args=parseArgumentList(pn);
401 boolean isglobal=pn.getChild("global")!=null;
402 String disjointId=null;
403 if( pn.getChild("disjoint") != null) {
404 disjointId = pn.getChild("disjoint").getTerminal();
406 CreateObjectNode con=new CreateObjectNode(td, isglobal, disjointId);
407 for(int i=0; i<args.size(); i++) {
408 con.addArgument((ExpressionNode)args.get(i));
410 /* Could have flag set or tag added here */
411 if (pn.getChild("flag_list")!=null||pn.getChild("tag_list")!=null) {
412 FlagEffects fe=new FlagEffects(null);
413 if (pn.getChild("flag_list")!=null)
414 parseFlagEffect(fe, pn.getChild("flag_list"));
416 if (pn.getChild("tag_list")!=null)
417 parseTagEffect(fe, pn.getChild("tag_list"));
418 con.addFlagEffects(fe);
422 } else if (isNode(pn,"createarray")) {
423 //System.out.println(pn.PPrint(3,true));
424 boolean isglobal=pn.getChild("global")!=null;
425 String disjointId=null;
426 if( pn.getChild("disjoint") != null) {
427 disjointId = pn.getChild("disjoint").getTerminal();
429 TypeDescriptor td=parseTypeDescriptor(pn);
430 Vector args=parseDimExprs(pn);
432 if (pn.getChild("dims_opt").getLiteral()!=null)
433 num=((Integer)pn.getChild("dims_opt").getLiteral()).intValue();
434 for(int i=0; i<(args.size()+num); i++)
435 td=td.makeArray(state);
436 CreateObjectNode con=new CreateObjectNode(td, isglobal, disjointId);
437 for(int i=0; i<args.size(); i++) {
438 con.addArgument((ExpressionNode)args.get(i));
441 } else if (isNode(pn,"name")) {
442 NameDescriptor nd=parseName(pn);
443 return new NameNode(nd);
444 } else if (isNode(pn,"this")) {
445 NameDescriptor nd=new NameDescriptor("this");
446 return new NameNode(nd);
447 } else if (isNode(pn,"isavailable")) {
448 NameDescriptor nd=new NameDescriptor(pn.getTerminal());
449 return new OpNode(new NameNode(nd),null,new Operation(Operation.ISAVAILABLE));
450 } else if (isNode(pn,"methodinvoke1")) {
451 NameDescriptor nd=parseName(pn.getChild("name"));
452 Vector args=parseArgumentList(pn);
453 MethodInvokeNode min=new MethodInvokeNode(nd);
454 for(int i=0; i<args.size(); i++) {
455 min.addArgument((ExpressionNode)args.get(i));
458 } else if (isNode(pn,"methodinvoke2")) {
459 String methodid=pn.getChild("id").getTerminal();
460 ExpressionNode exp=parseExpression(pn.getChild("base").getFirstChild());
461 Vector args=parseArgumentList(pn);
462 MethodInvokeNode min=new MethodInvokeNode(methodid,exp);
463 for(int i=0; i<args.size(); i++) {
464 min.addArgument((ExpressionNode)args.get(i));
467 } else if (isNode(pn,"fieldaccess")) {
468 ExpressionNode en=parseExpression(pn.getChild("base").getFirstChild());
469 String fieldname=pn.getChild("field").getTerminal();
470 return new FieldAccessNode(en,fieldname);
471 } else if (isNode(pn,"arrayaccess")) {
472 ExpressionNode en=parseExpression(pn.getChild("base").getFirstChild());
473 ExpressionNode index=parseExpression(pn.getChild("index").getFirstChild());
474 return new ArrayAccessNode(en,index);
475 } else if (isNode(pn,"cast1")) {
476 return new CastNode(parseTypeDescriptor(pn.getChild("type")),parseExpression(pn.getChild("exp").getFirstChild()));
477 } else if (isNode(pn,"cast2")) {
478 return new CastNode(parseExpression(pn.getChild("type").getFirstChild()),parseExpression(pn.getChild("exp").getFirstChild()));
479 } else if (isNode(pn, "getoffset")) {
480 TypeDescriptor td=parseTypeDescriptor(pn);
481 String fieldname = pn.getChild("field").getTerminal();
482 //System.out.println("Checking the values of: "+ " td.toString()= " + td.toString()+ " fieldname= " + fieldname);
483 return new OffsetNode(td, fieldname);
484 } else if (isNode(pn, "tert")) {
485 return new TertiaryNode(parseExpression(pn.getChild("cond").getFirstChild()),
486 parseExpression(pn.getChild("trueexpr").getFirstChild()),
487 parseExpression(pn.getChild("falseexpr").getFirstChild()) );
488 } else if (isNode(pn, "instanceof")) {
489 ExpressionNode exp=parseExpression(pn.getChild("exp").getFirstChild());
490 TypeDescriptor t=parseTypeDescriptor(pn);
491 return new InstanceOfNode(exp,t);
493 System.out.println("---------------------");
494 System.out.println(pn.PPrint(3,true));
499 private Vector parseDimExprs(ParseNode pn) {
500 Vector arglist=new Vector();
501 ParseNode an=pn.getChild("dim_exprs");
502 if (an==null) /* No argument list */
504 ParseNodeVector anv=an.getChildren();
505 for(int i=0; i<anv.size(); i++) {
506 arglist.add(parseExpression(anv.elementAt(i)));
511 private Vector parseArgumentList(ParseNode pn) {
512 Vector arglist=new Vector();
513 ParseNode an=pn.getChild("argument_list");
514 if (an==null) /* No argument list */
516 ParseNodeVector anv=an.getChildren();
517 for(int i=0; i<anv.size(); i++) {
518 arglist.add(parseExpression(anv.elementAt(i)));
523 private Vector[] parseConsArgumentList(ParseNode pn) {
524 Vector arglist=new Vector();
525 Vector varlist=new Vector();
526 ParseNode an=pn.getChild("cons_argument_list");
527 if (an==null) /* No argument list */
528 return new Vector[] {varlist, arglist};
529 ParseNodeVector anv=an.getChildren();
530 for(int i=0; i<anv.size(); i++) {
531 ParseNode cpn=anv.elementAt(i);
532 ParseNode var=cpn.getChild("var");
533 ParseNode exp=cpn.getChild("exp").getFirstChild();
534 varlist.add(var.getTerminal());
535 arglist.add(parseExpression(exp));
537 return new Vector[] {varlist, arglist};
540 private ExpressionNode parseAssignmentExpression(ParseNode pn) {
541 AssignOperation ao=new AssignOperation(pn.getChild("op").getTerminal());
542 ParseNodeVector pnv=pn.getChild("args").getChildren();
544 AssignmentNode an=new AssignmentNode(parseExpression(pnv.elementAt(0)),parseExpression(pnv.elementAt(1)),ao);
549 private void parseMethodDecl(ClassDescriptor cn, ParseNode pn) {
550 ParseNode headern=pn.getChild("method_header");
551 ParseNode bodyn=pn.getChild("body");
552 MethodDescriptor md=parseMethodHeader(headern);
553 BlockNode bn=parseBlock(bodyn);
555 state.addTreeCode(md,bn);
558 private void parseConstructorDecl(ClassDescriptor cn, ParseNode pn) {
559 ParseNode mn=pn.getChild("modifiers");
560 Modifiers m=parseModifiersList(mn);
561 ParseNode cdecl=pn.getChild("constructor_declarator");
562 boolean isglobal=cdecl.getChild("global")!=null;
563 String name=cdecl.getChild("name").getChild("identifier").getTerminal();
564 MethodDescriptor md=new MethodDescriptor(m, name, isglobal);
565 ParseNode paramnode=cdecl.getChild("parameters");
566 parseParameterList(md,paramnode);
567 ParseNode bodyn0=pn.getChild("body");
568 ParseNode bodyn=bodyn0.getChild("constructor_body");
571 if (bodyn!=null&&bodyn.getChild("block_statement_list")!=null)
572 bn=parseBlock(bodyn);
575 if (bodyn!=null&&bodyn.getChild("superinvoke")!=null) {
576 ParseNode sin=bodyn.getChild("superinvoke");
577 NameDescriptor nd=new NameDescriptor("super");
578 Vector args=parseArgumentList(sin);
579 MethodInvokeNode min=new MethodInvokeNode(nd);
580 for(int i=0; i<args.size(); i++) {
581 min.addArgument((ExpressionNode)args.get(i));
583 BlockExpressionNode ben=new BlockExpressionNode(min);
584 bn.addFirstBlockStatement(ben);
586 state.addTreeCode(md,bn);
589 public BlockNode parseBlock(ParseNode pn) {
590 this.m_taskexitnum = 0;
591 if (pn==null||isEmpty(pn.getTerminal()))
592 return new BlockNode();
593 ParseNode bsn=pn.getChild("block_statement_list");
594 return parseBlockHelper(bsn);
597 private BlockNode parseBlockHelper(ParseNode pn) {
598 ParseNodeVector pnv=pn.getChildren();
599 BlockNode bn=new BlockNode();
600 for(int i=0; i<pnv.size(); i++) {
601 Vector bsv=parseBlockStatement(pnv.elementAt(i));
602 for(int j=0; j<bsv.size(); j++) {
603 bn.addBlockStatement((BlockStatementNode)bsv.get(j));
609 public BlockNode parseSingleBlock(ParseNode pn) {
610 BlockNode bn=new BlockNode();
611 Vector bsv=parseBlockStatement(pn);
612 for(int j=0; j<bsv.size(); j++) {
613 bn.addBlockStatement((BlockStatementNode)bsv.get(j));
615 bn.setStyle(BlockNode.NOBRACES);
619 public Vector parseSESEBlock(Vector parentbs, ParseNode pn) {
620 ParseNodeVector pnv=pn.getChildren();
621 Vector bv=new Vector();
622 for(int i=0; i<pnv.size(); i++) {
623 bv.addAll(parseBlockStatement(pnv.elementAt(i)));
628 public Vector parseBlockStatement(ParseNode pn) {
629 Vector blockstatements=new Vector();
630 if (isNode(pn,"tag_declaration")) {
631 String name=pn.getChild("single").getTerminal();
632 String type=pn.getChild("type").getTerminal();
634 blockstatements.add(new TagDeclarationNode(name, type));
635 } else if (isNode(pn,"local_variable_declaration")) {
636 TypeDescriptor t=parseTypeDescriptor(pn);
637 ParseNode vn=pn.getChild("variable_declarators_list");
638 ParseNodeVector pnv=vn.getChildren();
639 for(int i=0; i<pnv.size(); i++) {
640 ParseNode vardecl=pnv.elementAt(i);
643 ParseNode tmp=vardecl;
644 TypeDescriptor arrayt=t;
645 while (tmp.getChild("single")==null) {
646 arrayt=arrayt.makeArray(state);
647 tmp=tmp.getChild("array");
649 String identifier=tmp.getChild("single").getTerminal();
651 ParseNode epn=vardecl.getChild("initializer");
654 ExpressionNode en=null;
656 en=parseExpression(epn.getFirstChild());
658 blockstatements.add(new DeclarationNode(new VarDescriptor(arrayt, identifier),en));
660 } else if (isNode(pn,"nop")) {
662 } else if (isNode(pn,"expression")) {
663 blockstatements.add(new BlockExpressionNode(parseExpression(pn.getFirstChild())));
664 } else if (isNode(pn,"ifstatement")) {
665 blockstatements.add(new IfStatementNode(parseExpression(pn.getChild("condition").getFirstChild()),
666 parseSingleBlock(pn.getChild("statement").getFirstChild()),
667 pn.getChild("else_statement")!=null ? parseSingleBlock(pn.getChild("else_statement").getFirstChild()) : null));
668 } else if (isNode(pn,"taskexit")) {
670 if (pn.getChild("flag_effects_list")!=null)
671 vfe=parseFlags(pn.getChild("flag_effects_list"));
673 if (pn.getChild("cons_checks")!=null)
674 ccs=parseChecks(pn.getChild("cons_checks"));
676 blockstatements.add(new TaskExitNode(vfe, ccs, this.m_taskexitnum++));
677 } else if (isNode(pn,"atomic")) {
678 BlockNode bn=parseBlockHelper(pn);
679 blockstatements.add(new AtomicNode(bn));
680 } else if (isNode(pn,"return")) {
681 if (isEmpty(pn.getTerminal()))
682 blockstatements.add(new ReturnNode());
684 ExpressionNode en=parseExpression(pn.getFirstChild());
685 blockstatements.add(new ReturnNode(en));
687 } else if (isNode(pn,"block_statement_list")) {
688 BlockNode bn=parseBlockHelper(pn);
689 blockstatements.add(new SubBlockNode(bn));
690 } else if (isNode(pn,"empty")) {
692 } else if (isNode(pn,"statement_expression_list")) {
693 ParseNodeVector pnv=pn.getChildren();
694 BlockNode bn=new BlockNode();
695 for(int i=0; i<pnv.size(); i++) {
696 ExpressionNode en=parseExpression(pnv.elementAt(i));
697 blockstatements.add(new BlockExpressionNode(en));
699 bn.setStyle(BlockNode.EXPRLIST);
700 } else if (isNode(pn,"forstatement")) {
701 BlockNode init=parseSingleBlock(pn.getChild("initializer").getFirstChild());
702 BlockNode update=parseSingleBlock(pn.getChild("update").getFirstChild());
703 ExpressionNode condition=parseExpression(pn.getChild("condition").getFirstChild());
704 BlockNode body=parseSingleBlock(pn.getChild("statement").getFirstChild());
705 blockstatements.add(new LoopNode(init,condition,update,body));
706 } else if (isNode(pn,"whilestatement")) {
707 ExpressionNode condition=parseExpression(pn.getChild("condition").getFirstChild());
708 BlockNode body=parseSingleBlock(pn.getChild("statement").getFirstChild());
709 blockstatements.add(new LoopNode(condition,body,LoopNode.WHILELOOP));
710 } else if (isNode(pn,"dowhilestatement")) {
711 ExpressionNode condition=parseExpression(pn.getChild("condition").getFirstChild());
712 BlockNode body=parseSingleBlock(pn.getChild("statement").getFirstChild());
713 blockstatements.add(new LoopNode(condition,body,LoopNode.DOWHILELOOP));
714 } else if (isNode(pn,"sese")) {
715 SESENode start=new SESENode();
716 SESENode end =new SESENode();
718 end.setStart( start );
719 blockstatements.add(start);
720 blockstatements.addAll(parseSESEBlock(blockstatements,pn.getChild("body").getFirstChild()));
721 blockstatements.add(end);
722 } else if (isNode(pn,"continue")) {
723 blockstatements.add(new ContinueBreakNode(false));
724 } else if (isNode(pn,"break")) {
725 blockstatements.add(new ContinueBreakNode(true));
728 System.out.println("---------------");
729 System.out.println(pn.PPrint(3,true));
732 return blockstatements;
735 public MethodDescriptor parseMethodHeader(ParseNode pn) {
736 ParseNode mn=pn.getChild("modifiers");
737 Modifiers m=parseModifiersList(mn);
739 ParseNode tn=pn.getChild("returntype");
740 TypeDescriptor returntype;
742 returntype=parseTypeDescriptor(tn);
744 returntype=new TypeDescriptor(TypeDescriptor.VOID);
746 ParseNode pmd=pn.getChild("method_declarator");
747 String name=pmd.getChild("name").getTerminal();
748 MethodDescriptor md=new MethodDescriptor(m, returntype, name);
750 ParseNode paramnode=pmd.getChild("parameters");
751 parseParameterList(md,paramnode);
755 public void parseParameterList(MethodDescriptor md, ParseNode pn) {
756 ParseNode paramlist=pn.getChild("formal_parameter_list");
759 ParseNodeVector pnv=paramlist.getChildren();
760 for(int i=0; i<pnv.size(); i++) {
761 ParseNode paramn=pnv.elementAt(i);
763 if (isNode(paramn, "tag_parameter")) {
764 String paramname=paramn.getChild("single").getTerminal();
765 TypeDescriptor type=new TypeDescriptor(TypeDescriptor.TAG);
766 md.addTagParameter(type, paramname);
768 TypeDescriptor type=parseTypeDescriptor(paramn);
770 ParseNode tmp=paramn;
771 while (tmp.getChild("single")==null) {
772 type=type.makeArray(state);
773 tmp=tmp.getChild("array");
775 String paramname=tmp.getChild("single").getTerminal();
777 md.addParameter(type, paramname);
782 public Modifiers parseModifiersList(ParseNode pn) {
783 Modifiers m=new Modifiers();
784 ParseNode modlist=pn.getChild("modifier_list");
786 ParseNodeVector pnv=modlist.getChildren();
787 for(int i=0; i<pnv.size(); i++) {
788 ParseNode modn=pnv.elementAt(i);
789 if (isNode(modn,"public"))
790 m.addModifier(Modifiers.PUBLIC);
791 else if (isNode(modn,"protected"))
792 m.addModifier(Modifiers.PROTECTED);
793 else if (isNode(modn,"private"))
794 m.addModifier(Modifiers.PRIVATE);
795 else if (isNode(modn,"static"))
796 m.addModifier(Modifiers.STATIC);
797 else if (isNode(modn,"final"))
798 m.addModifier(Modifiers.FINAL);
799 else if (isNode(modn,"native"))
800 m.addModifier(Modifiers.NATIVE);
801 else if (isNode(modn,"synchronized"))
802 m.addModifier(Modifiers.SYNCHRONIZED);
803 else if (isNode(modn,"atomic"))
804 m.addModifier(Modifiers.ATOMIC);
805 else throw new Error("Unrecognized Modifier");
811 private boolean isNode(ParseNode pn, String label) {
812 if (pn.getLabel().equals(label))
817 private static boolean isEmpty(ParseNode pn) {
818 if (pn.getLabel().equals("empty"))
824 private static boolean isEmpty(String s) {
825 if (s.equals("empty"))
831 /** Throw an exception if something is unexpected */
832 private void check(ParseNode pn, String label) {
834 throw new Error(pn+ "IE: Expected '" + label + "', got null");
836 if (!pn.getLabel().equals(label)) {
837 throw new Error(pn+ "IE: Expected '" + label + "', got '"+pn.getLabel()+"'");