9 private int m_taskexitnum;
11 public BuildIR(State state) {
13 this.m_taskexitnum = 0;
16 public void buildtree(ParseNode pn, Set toanalyze) {
17 parseFile(pn, toanalyze);
22 NameDescriptor packages;
24 /** Parse the classes in this file */
25 public void parseFile(ParseNode pn, Set toanalyze) {
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);
57 } else if (isNode(type_pn,"task_declaration")) {
58 TaskDescriptor td=parseTaskDecl(type_pn);
63 throw new Error(type_pn.getLabel());
69 public TaskDescriptor parseTaskDecl(ParseNode pn) {
70 TaskDescriptor td=new TaskDescriptor(pn.getChild("name").getTerminal());
71 ParseNode bodyn=pn.getChild("body");
72 BlockNode bn=parseBlock(bodyn);
73 parseParameterList(td, pn);
74 state.addTreeCode(td,bn);
75 if (pn.getChild("flag_effects_list")!=null)
76 td.addFlagEffects(parseFlags(pn.getChild("flag_effects_list")));
80 public Vector parseFlags(ParseNode pn) {
81 Vector vfe=new Vector();
82 ParseNodeVector pnv=pn.getChildren();
83 for(int i=0; i<pnv.size(); i++) {
84 ParseNode fn=pnv.elementAt(i);
85 FlagEffects fe=parseFlagEffects(fn);
91 public FlagEffects parseFlagEffects(ParseNode pn) {
92 if (isNode(pn,"flag_effect")) {
93 String flagname=pn.getChild("name").getTerminal();
94 FlagEffects fe=new FlagEffects(flagname);
95 if (pn.getChild("flag_list")!=null)
96 parseFlagEffect(fe, pn.getChild("flag_list"));
97 if (pn.getChild("tag_list")!=null)
98 parseTagEffect(fe, pn.getChild("tag_list"));
100 } else throw new Error();
103 public void parseTagEffect(FlagEffects fes, ParseNode pn) {
104 ParseNodeVector pnv=pn.getChildren();
105 for(int i=0; i<pnv.size(); i++) {
106 ParseNode pn2=pnv.elementAt(i);
108 if (isNode(pn2,"not")) {
110 pn2=pn2.getChild("name");
112 String name=pn2.getTerminal();
113 fes.addTagEffect(new TagEffect(name,status));
117 public void parseFlagEffect(FlagEffects fes, ParseNode pn) {
118 ParseNodeVector pnv=pn.getChildren();
119 for(int i=0; i<pnv.size(); i++) {
120 ParseNode pn2=pnv.elementAt(i);
122 if (isNode(pn2,"not")) {
124 pn2=pn2.getChild("name");
126 String name=pn2.getTerminal();
127 fes.addEffect(new FlagEffect(name,status));
131 public FlagExpressionNode parseFlagExpression(ParseNode pn) {
132 if (isNode(pn,"or")) {
133 ParseNodeVector pnv=pn.getChildren();
134 ParseNode left=pnv.elementAt(0);
135 ParseNode right=pnv.elementAt(1);
136 return new FlagOpNode(parseFlagExpression(left), parseFlagExpression(right), new Operation(Operation.LOGIC_OR));
137 } else if (isNode(pn,"and")) {
138 ParseNodeVector pnv=pn.getChildren();
139 ParseNode left=pnv.elementAt(0);
140 ParseNode right=pnv.elementAt(1);
141 return new FlagOpNode(parseFlagExpression(left), parseFlagExpression(right), new Operation(Operation.LOGIC_AND));
142 } else if (isNode(pn, "not")) {
143 ParseNodeVector pnv=pn.getChildren();
144 ParseNode left=pnv.elementAt(0);
145 return new FlagOpNode(parseFlagExpression(left), new Operation(Operation.LOGIC_NOT));
147 } else if (isNode(pn,"name")) {
148 return new FlagNode(pn.getTerminal());
154 public Vector parseChecks(ParseNode pn) {
155 Vector ccs=new Vector();
156 ParseNodeVector pnv=pn.getChildren();
157 for(int i=0; i<pnv.size(); i++) {
158 ParseNode fn=pnv.elementAt(i);
159 ConstraintCheck cc=parseConstraintCheck(fn);
165 public ConstraintCheck parseConstraintCheck(ParseNode pn) {
166 if (isNode(pn,"cons_check")) {
167 String specname=pn.getChild("name").getChild("identifier").getTerminal();
168 Vector[] args=parseConsArgumentList(pn);
169 ConstraintCheck cc=new ConstraintCheck(specname);
170 for(int i=0; i<args[0].size(); i++) {
171 cc.addVariable((String)args[0].get(i));
172 cc.addArgument((ExpressionNode)args[1].get(i));
175 } else throw new Error();
178 public void parseParameterList(TaskDescriptor td, ParseNode pn) {
181 ParseNode paramlist=pn.getChild("task_parameter_list");
184 ParseNodeVector pnv=paramlist.getChildren();
185 for(int i=0; i<pnv.size(); i++) {
186 ParseNode paramn=pnv.elementAt(i);
187 if(paramn.getChild("optional")!=null) {
189 paramn = paramn.getChild("optional").getFirstChild();
190 System.out.println("OPTIONAL FOUND!!!!!!!");
191 } else { optional = false;
192 System.out.println("NOT OPTIONAL");}
194 TypeDescriptor type=parseTypeDescriptor(paramn);
196 String paramname=paramn.getChild("single").getTerminal();
197 FlagExpressionNode fen=null;
198 if (paramn.getChild("flag")!=null)
199 fen=parseFlagExpression(paramn.getChild("flag").getFirstChild());
201 ParseNode tagnode=paramn.getChild("tag");
203 TagExpressionList tel=null;
205 tel=parseTagExpressionList(tagnode);
208 td.addParameter(type,paramname,fen, tel, optional);
212 public TagExpressionList parseTagExpressionList(ParseNode pn) {
213 //BUG FIX: change pn.getChildren() to pn.getChild("tag_expression_list").getChildren()
214 //To test, feed in any input program that uses tags
215 ParseNodeVector pnv=pn.getChild("tag_expression_list").getChildren();
216 TagExpressionList tel=new TagExpressionList();
217 for(int i=0; i<pnv.size(); i++) {
218 ParseNode tn=pnv.elementAt(i);
219 String type=tn.getChild("type").getTerminal();
220 String name=tn.getChild("single").getTerminal();
221 tel.addTag(type, name);
226 public ClassDescriptor parseTypeDecl(ParseNode pn) {
227 ClassDescriptor cn=new ClassDescriptor(pn.getChild("name").getTerminal());
228 if (!isEmpty(pn.getChild("super").getTerminal())) {
229 /* parse superclass name */
230 ParseNode snn=pn.getChild("super").getChild("type").getChild("class").getChild("name");
231 NameDescriptor nd=parseName(snn);
232 cn.setSuper(nd.toString());
234 if (!(cn.getSymbol().equals(TypeUtil.ObjectClass)||
235 cn.getSymbol().equals(TypeUtil.TagClass)))
236 cn.setSuper(TypeUtil.ObjectClass);
238 cn.setModifiers(parseModifiersList(pn.getChild("modifiers")));
239 parseClassBody(cn, pn.getChild("classbody"));
243 private void parseClassBody(ClassDescriptor cn, ParseNode pn) {
244 ParseNode decls=pn.getChild("class_body_declaration_list");
246 ParseNodeVector pnv=decls.getChildren();
247 for(int i=0; i<pnv.size(); i++) {
248 ParseNode decl=pnv.elementAt(i);
249 if (isNode(decl,"member")) {
250 parseClassMember(cn,decl);
251 } else if (isNode(decl,"constructor")) {
252 parseConstructorDecl(cn,decl.getChild("constructor_declaration"));
253 } else if (isNode(decl,"block")) {
254 } else throw new Error();
259 private void parseClassMember(ClassDescriptor cn, ParseNode pn) {
260 ParseNode fieldnode=pn.getChild("field");
262 if (fieldnode!=null) {
263 parseFieldDecl(cn,fieldnode.getChild("field_declaration"));
266 ParseNode methodnode=pn.getChild("method");
267 if (methodnode!=null) {
268 parseMethodDecl(cn,methodnode.getChild("method_declaration"));
271 ParseNode flagnode=pn.getChild("flag");
272 if (flagnode!=null) {
273 parseFlagDecl(cn, flagnode.getChild("flag_declaration"));
279 private TypeDescriptor parseTypeDescriptor(ParseNode pn) {
280 ParseNode tn=pn.getChild("type");
281 String type_st=tn.getTerminal();
282 if(type_st.equals("byte")) {
283 return state.getTypeDescriptor(TypeDescriptor.BYTE);
284 } else if(type_st.equals("short")) {
285 return state.getTypeDescriptor(TypeDescriptor.SHORT);
286 } else if(type_st.equals("boolean")) {
287 return state.getTypeDescriptor(TypeDescriptor.BOOLEAN);
288 } else if(type_st.equals("int")) {
289 return state.getTypeDescriptor(TypeDescriptor.INT);
290 } else if(type_st.equals("long")) {
291 return state.getTypeDescriptor(TypeDescriptor.LONG);
292 } else if(type_st.equals("char")) {
293 return state.getTypeDescriptor(TypeDescriptor.CHAR);
294 } else if(type_st.equals("float")) {
295 return state.getTypeDescriptor(TypeDescriptor.FLOAT);
296 } else if(type_st.equals("double")) {
297 return state.getTypeDescriptor(TypeDescriptor.DOUBLE);
298 } else if(type_st.equals("class")) {
299 ParseNode nn=tn.getChild("class");
300 return state.getTypeDescriptor(parseName(nn.getChild("name")));
301 } else if(type_st.equals("array")) {
302 ParseNode nn=tn.getChild("array");
303 TypeDescriptor td=parseTypeDescriptor(nn.getChild("basetype"));
304 Integer numdims=(Integer)nn.getChild("dims").getLiteral();
305 for(int i=0; i<numdims.intValue(); i++)
306 td=td.makeArray(state);
313 private NameDescriptor parseName(ParseNode nn) {
314 ParseNode base=nn.getChild("base");
315 ParseNode id=nn.getChild("identifier");
317 return new NameDescriptor(id.getTerminal());
318 return new NameDescriptor(parseName(base.getChild("name")),id.getTerminal());
322 private void parseFlagDecl(ClassDescriptor cn,ParseNode pn) {
323 String name=pn.getChild("name").getTerminal();
324 FlagDescriptor flag=new FlagDescriptor(name);
325 if (pn.getChild("external")!=null)
330 private void parseFieldDecl(ClassDescriptor cn,ParseNode pn) {
331 ParseNode mn=pn.getChild("modifier");
332 Modifiers m=parseModifiersList(mn);
334 ParseNode tn=pn.getChild("type");
335 TypeDescriptor t=parseTypeDescriptor(tn);
336 ParseNode vn=pn.getChild("variables").getChild("variable_declarators_list");
337 ParseNodeVector pnv=vn.getChildren();
338 boolean isglobal=pn.getChild("global")!=null;
340 for(int i=0; i<pnv.size(); i++) {
341 ParseNode vardecl=pnv.elementAt(i);
342 ParseNode tmp=vardecl;
343 TypeDescriptor arrayt=t;
344 while (tmp.getChild("single")==null) {
345 arrayt=arrayt.makeArray(state);
346 tmp=tmp.getChild("array");
348 String identifier=tmp.getChild("single").getTerminal();
349 ParseNode epn=vardecl.getChild("initializer");
351 ExpressionNode en=null;
353 en=parseExpression(epn.getFirstChild());
355 cn.addField(new FieldDescriptor(m, arrayt, identifier, en, isglobal));
359 private ExpressionNode parseExpression(ParseNode pn) {
360 if (isNode(pn,"assignment"))
361 return parseAssignmentExpression(pn);
362 else if (isNode(pn,"logical_or")||isNode(pn,"logical_and")||
363 isNode(pn,"bitwise_or")||isNode(pn,"bitwise_xor")||
364 isNode(pn,"bitwise_and")||isNode(pn,"equal")||
365 isNode(pn,"not_equal")||isNode(pn,"comp_lt")||
366 isNode(pn,"comp_lte")||isNode(pn,"comp_gt")||
367 isNode(pn,"comp_gte")||isNode(pn,"leftshift")||
368 isNode(pn,"rightshift")||isNode(pn,"sub")||
369 isNode(pn,"urightshift")||isNode(pn,"sub")||
370 isNode(pn,"add")||isNode(pn,"mult")||
371 isNode(pn,"div")||isNode(pn,"mod")) {
372 ParseNodeVector pnv=pn.getChildren();
373 ParseNode left=pnv.elementAt(0);
374 ParseNode right=pnv.elementAt(1);
375 Operation op=new Operation(pn.getLabel());
376 return new OpNode(parseExpression(left),parseExpression(right),op);
377 } else if (isNode(pn,"unaryplus")||
378 isNode(pn,"unaryminus")||
381 ParseNode left=pn.getFirstChild();
382 Operation op=new Operation(pn.getLabel());
383 return new OpNode(parseExpression(left),op);
384 } else if (isNode(pn,"postinc")||
385 isNode(pn,"postdec")) {
386 ParseNode left=pn.getFirstChild();
387 AssignOperation op=new AssignOperation(pn.getLabel());
388 return new AssignmentNode(parseExpression(left),null,op);
390 } else if (isNode(pn,"preinc")||
391 isNode(pn,"predec")) {
392 ParseNode left=pn.getFirstChild();
393 AssignOperation op=isNode(pn,"preinc") ? new AssignOperation(AssignOperation.PLUSEQ) : new AssignOperation(AssignOperation.MINUSEQ);
394 return new AssignmentNode(parseExpression(left),
395 new LiteralNode("integer",new Integer(1)),op);
396 } else if (isNode(pn,"literal")) {
397 String literaltype=pn.getTerminal();
398 ParseNode literalnode=pn.getChild(literaltype);
399 Object literal_obj=literalnode.getLiteral();
400 return new LiteralNode(literaltype, literal_obj);
401 } else if (isNode(pn,"createobject")) {
402 TypeDescriptor td=parseTypeDescriptor(pn);
404 Vector args=parseArgumentList(pn);
405 boolean isglobal=pn.getChild("global")!=null||
406 pn.getChild("scratch")!=null;
407 String disjointId=null;
408 if( pn.getChild("disjoint") != null) {
409 disjointId = pn.getChild("disjoint").getTerminal();
411 CreateObjectNode con=new CreateObjectNode(td, isglobal, disjointId);
412 for(int i=0; i<args.size(); i++) {
413 con.addArgument((ExpressionNode)args.get(i));
415 /* Could have flag set or tag added here */
416 if (pn.getChild("flag_list")!=null||pn.getChild("tag_list")!=null) {
417 FlagEffects fe=new FlagEffects(null);
418 if (pn.getChild("flag_list")!=null)
419 parseFlagEffect(fe, pn.getChild("flag_list"));
421 if (pn.getChild("tag_list")!=null)
422 parseTagEffect(fe, pn.getChild("tag_list"));
423 con.addFlagEffects(fe);
427 } else if (isNode(pn,"createarray")) {
428 //System.out.println(pn.PPrint(3,true));
429 boolean isglobal=pn.getChild("global")!=null||
430 pn.getChild("scratch")!=null;
431 String disjointId=null;
432 if( pn.getChild("disjoint") != null) {
433 disjointId = pn.getChild("disjoint").getTerminal();
435 TypeDescriptor td=parseTypeDescriptor(pn);
436 Vector args=parseDimExprs(pn);
438 if (pn.getChild("dims_opt").getLiteral()!=null)
439 num=((Integer)pn.getChild("dims_opt").getLiteral()).intValue();
440 for(int i=0; i<(args.size()+num); i++)
441 td=td.makeArray(state);
442 CreateObjectNode con=new CreateObjectNode(td, isglobal, disjointId);
443 for(int i=0; i<args.size(); i++) {
444 con.addArgument((ExpressionNode)args.get(i));
447 } else if (isNode(pn,"name")) {
448 NameDescriptor nd=parseName(pn);
449 return new NameNode(nd);
450 } else if (isNode(pn,"this")) {
451 NameDescriptor nd=new NameDescriptor("this");
452 return new NameNode(nd);
453 } else if (isNode(pn,"isavailable")) {
454 NameDescriptor nd=new NameDescriptor(pn.getTerminal());
455 return new OpNode(new NameNode(nd),null,new Operation(Operation.ISAVAILABLE));
456 } else if (isNode(pn,"methodinvoke1")) {
457 NameDescriptor nd=parseName(pn.getChild("name"));
458 Vector args=parseArgumentList(pn);
459 MethodInvokeNode min=new MethodInvokeNode(nd);
460 for(int i=0; i<args.size(); i++) {
461 min.addArgument((ExpressionNode)args.get(i));
464 } else if (isNode(pn,"methodinvoke2")) {
465 String methodid=pn.getChild("id").getTerminal();
466 ExpressionNode exp=parseExpression(pn.getChild("base").getFirstChild());
467 Vector args=parseArgumentList(pn);
468 MethodInvokeNode min=new MethodInvokeNode(methodid,exp);
469 for(int i=0; i<args.size(); i++) {
470 min.addArgument((ExpressionNode)args.get(i));
473 } else if (isNode(pn,"fieldaccess")) {
474 ExpressionNode en=parseExpression(pn.getChild("base").getFirstChild());
475 String fieldname=pn.getChild("field").getTerminal();
476 return new FieldAccessNode(en,fieldname);
477 } else if (isNode(pn,"arrayaccess")) {
478 ExpressionNode en=parseExpression(pn.getChild("base").getFirstChild());
479 ExpressionNode index=parseExpression(pn.getChild("index").getFirstChild());
480 return new ArrayAccessNode(en,index);
481 } else if (isNode(pn,"cast1")) {
482 return new CastNode(parseTypeDescriptor(pn.getChild("type")),parseExpression(pn.getChild("exp").getFirstChild()));
483 } else if (isNode(pn,"cast2")) {
484 return new CastNode(parseExpression(pn.getChild("type").getFirstChild()),parseExpression(pn.getChild("exp").getFirstChild()));
485 } else if (isNode(pn, "getoffset")) {
486 TypeDescriptor td=parseTypeDescriptor(pn);
487 String fieldname = pn.getChild("field").getTerminal();
488 //System.out.println("Checking the values of: "+ " td.toString()= " + td.toString()+ " fieldname= " + fieldname);
489 return new OffsetNode(td, fieldname);
490 } else if (isNode(pn, "tert")) {
491 return new TertiaryNode(parseExpression(pn.getChild("cond").getFirstChild()),
492 parseExpression(pn.getChild("trueexpr").getFirstChild()),
493 parseExpression(pn.getChild("falseexpr").getFirstChild()) );
494 } else if (isNode(pn, "instanceof")) {
495 ExpressionNode exp=parseExpression(pn.getChild("exp").getFirstChild());
496 TypeDescriptor t=parseTypeDescriptor(pn);
497 return new InstanceOfNode(exp,t);
498 } else if (isNode(pn, "array_initializer")) {
499 System.out.println( "Array initializers not implemented yet." );
501 TypeDescriptor td=parseTypeDescriptor(pn);
502 Vector initializers=parseVariableInitializerList(pn);
503 return new ArrayInitializerNode(td, initializers);
505 System.out.println("---------------------");
506 System.out.println(pn.PPrint(3,true));
511 private Vector parseDimExprs(ParseNode pn) {
512 Vector arglist=new Vector();
513 ParseNode an=pn.getChild("dim_exprs");
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 parseArgumentList(ParseNode pn) {
524 Vector arglist=new Vector();
525 ParseNode an=pn.getChild("argument_list");
526 if (an==null) /* No argument list */
528 ParseNodeVector anv=an.getChildren();
529 for(int i=0; i<anv.size(); i++) {
530 arglist.add(parseExpression(anv.elementAt(i)));
535 private Vector[] parseConsArgumentList(ParseNode pn) {
536 Vector arglist=new Vector();
537 Vector varlist=new Vector();
538 ParseNode an=pn.getChild("cons_argument_list");
539 if (an==null) /* No argument list */
540 return new Vector[] {varlist, arglist};
541 ParseNodeVector anv=an.getChildren();
542 for(int i=0; i<anv.size(); i++) {
543 ParseNode cpn=anv.elementAt(i);
544 ParseNode var=cpn.getChild("var");
545 ParseNode exp=cpn.getChild("exp").getFirstChild();
546 varlist.add(var.getTerminal());
547 arglist.add(parseExpression(exp));
549 return new Vector[] {varlist, arglist};
552 private Vector parseVariableInitializerList(ParseNode pn) {
553 Vector varInitList=new Vector();
554 ParseNode vin=pn.getChild("variable_init_list");
555 if (vin==null) /* No argument list */
557 ParseNodeVector vinv=vin.getChildren();
558 for(int i=0; i<vinv.size(); i++) {
559 varInitList.add(parseExpression(vinv.elementAt(i)));
564 private ExpressionNode parseAssignmentExpression(ParseNode pn) {
565 AssignOperation ao=new AssignOperation(pn.getChild("op").getTerminal());
566 ParseNodeVector pnv=pn.getChild("args").getChildren();
568 AssignmentNode an=new AssignmentNode(parseExpression(pnv.elementAt(0)),parseExpression(pnv.elementAt(1)),ao);
573 private void parseMethodDecl(ClassDescriptor cn, ParseNode pn) {
574 ParseNode headern=pn.getChild("method_header");
575 ParseNode bodyn=pn.getChild("body");
576 MethodDescriptor md=parseMethodHeader(headern);
577 BlockNode bn=parseBlock(bodyn);
579 state.addTreeCode(md,bn);
582 private void parseConstructorDecl(ClassDescriptor cn, ParseNode pn) {
583 ParseNode mn=pn.getChild("modifiers");
584 Modifiers m=parseModifiersList(mn);
585 ParseNode cdecl=pn.getChild("constructor_declarator");
586 boolean isglobal=cdecl.getChild("global")!=null;
587 String name=cdecl.getChild("name").getChild("identifier").getTerminal();
588 MethodDescriptor md=new MethodDescriptor(m, name, isglobal);
589 ParseNode paramnode=cdecl.getChild("parameters");
590 parseParameterList(md,paramnode);
591 ParseNode bodyn0=pn.getChild("body");
592 ParseNode bodyn=bodyn0.getChild("constructor_body");
595 if (bodyn!=null&&bodyn.getChild("block_statement_list")!=null)
596 bn=parseBlock(bodyn);
599 if (bodyn!=null&&bodyn.getChild("superinvoke")!=null) {
600 ParseNode sin=bodyn.getChild("superinvoke");
601 NameDescriptor nd=new NameDescriptor("super");
602 Vector args=parseArgumentList(sin);
603 MethodInvokeNode min=new MethodInvokeNode(nd);
604 for(int i=0; i<args.size(); i++) {
605 min.addArgument((ExpressionNode)args.get(i));
607 BlockExpressionNode ben=new BlockExpressionNode(min);
608 bn.addFirstBlockStatement(ben);
610 state.addTreeCode(md,bn);
613 public BlockNode parseBlock(ParseNode pn) {
614 this.m_taskexitnum = 0;
615 if (pn==null||isEmpty(pn.getTerminal()))
616 return new BlockNode();
617 ParseNode bsn=pn.getChild("block_statement_list");
618 return parseBlockHelper(bsn);
621 private BlockNode parseBlockHelper(ParseNode pn) {
622 ParseNodeVector pnv=pn.getChildren();
623 BlockNode bn=new BlockNode();
624 for(int i=0; i<pnv.size(); i++) {
625 Vector bsv=parseBlockStatement(pnv.elementAt(i));
626 for(int j=0; j<bsv.size(); j++) {
627 bn.addBlockStatement((BlockStatementNode)bsv.get(j));
633 public BlockNode parseSingleBlock(ParseNode pn) {
634 BlockNode bn=new BlockNode();
635 Vector bsv=parseBlockStatement(pn);
636 for(int j=0; j<bsv.size(); j++) {
637 bn.addBlockStatement((BlockStatementNode)bsv.get(j));
639 bn.setStyle(BlockNode.NOBRACES);
643 public Vector parseSESEBlock(Vector parentbs, ParseNode pn) {
644 ParseNodeVector pnv=pn.getChildren();
645 Vector bv=new Vector();
646 for(int i=0; i<pnv.size(); i++) {
647 bv.addAll(parseBlockStatement(pnv.elementAt(i)));
652 public Vector parseBlockStatement(ParseNode pn) {
653 Vector blockstatements=new Vector();
654 if (isNode(pn,"tag_declaration")) {
655 String name=pn.getChild("single").getTerminal();
656 String type=pn.getChild("type").getTerminal();
658 blockstatements.add(new TagDeclarationNode(name, type));
659 } else if (isNode(pn,"local_variable_declaration")) {
660 TypeDescriptor t=parseTypeDescriptor(pn);
661 ParseNode vn=pn.getChild("variable_declarators_list");
662 ParseNodeVector pnv=vn.getChildren();
663 for(int i=0; i<pnv.size(); i++) {
664 ParseNode vardecl=pnv.elementAt(i);
667 ParseNode tmp=vardecl;
668 TypeDescriptor arrayt=t;
669 while (tmp.getChild("single")==null) {
670 arrayt=arrayt.makeArray(state);
671 tmp=tmp.getChild("array");
673 String identifier=tmp.getChild("single").getTerminal();
675 ParseNode epn=vardecl.getChild("initializer");
678 ExpressionNode en=null;
680 en=parseExpression(epn.getFirstChild());
682 blockstatements.add(new DeclarationNode(new VarDescriptor(arrayt, identifier),en));
684 } else if (isNode(pn,"nop")) {
686 } else if (isNode(pn,"expression")) {
687 blockstatements.add(new BlockExpressionNode(parseExpression(pn.getFirstChild())));
688 } else if (isNode(pn,"ifstatement")) {
689 blockstatements.add(new IfStatementNode(parseExpression(pn.getChild("condition").getFirstChild()),
690 parseSingleBlock(pn.getChild("statement").getFirstChild()),
691 pn.getChild("else_statement")!=null ? parseSingleBlock(pn.getChild("else_statement").getFirstChild()) : null));
692 } else if (isNode(pn,"taskexit")) {
694 if (pn.getChild("flag_effects_list")!=null)
695 vfe=parseFlags(pn.getChild("flag_effects_list"));
697 if (pn.getChild("cons_checks")!=null)
698 ccs=parseChecks(pn.getChild("cons_checks"));
700 blockstatements.add(new TaskExitNode(vfe, ccs, this.m_taskexitnum++));
701 } else if (isNode(pn,"atomic")) {
702 BlockNode bn=parseBlockHelper(pn);
703 blockstatements.add(new AtomicNode(bn));
704 } else if (isNode(pn,"return")) {
705 if (isEmpty(pn.getTerminal()))
706 blockstatements.add(new ReturnNode());
708 ExpressionNode en=parseExpression(pn.getFirstChild());
709 blockstatements.add(new ReturnNode(en));
711 } else if (isNode(pn,"block_statement_list")) {
712 BlockNode bn=parseBlockHelper(pn);
713 blockstatements.add(new SubBlockNode(bn));
714 } else if (isNode(pn,"empty")) {
716 } else if (isNode(pn,"statement_expression_list")) {
717 ParseNodeVector pnv=pn.getChildren();
718 BlockNode bn=new BlockNode();
719 for(int i=0; i<pnv.size(); i++) {
720 ExpressionNode en=parseExpression(pnv.elementAt(i));
721 blockstatements.add(new BlockExpressionNode(en));
723 bn.setStyle(BlockNode.EXPRLIST);
724 } else if (isNode(pn,"forstatement")) {
725 BlockNode init=parseSingleBlock(pn.getChild("initializer").getFirstChild());
726 BlockNode update=parseSingleBlock(pn.getChild("update").getFirstChild());
727 ExpressionNode condition=parseExpression(pn.getChild("condition").getFirstChild());
728 BlockNode body=parseSingleBlock(pn.getChild("statement").getFirstChild());
729 blockstatements.add(new LoopNode(init,condition,update,body));
730 } else if (isNode(pn,"whilestatement")) {
731 ExpressionNode condition=parseExpression(pn.getChild("condition").getFirstChild());
732 BlockNode body=parseSingleBlock(pn.getChild("statement").getFirstChild());
733 blockstatements.add(new LoopNode(condition,body,LoopNode.WHILELOOP));
734 } else if (isNode(pn,"dowhilestatement")) {
735 ExpressionNode condition=parseExpression(pn.getChild("condition").getFirstChild());
736 BlockNode body=parseSingleBlock(pn.getChild("statement").getFirstChild());
737 blockstatements.add(new LoopNode(condition,body,LoopNode.DOWHILELOOP));
738 } else if (isNode(pn,"sese")) {
739 ParseNode pnID=pn.getChild("identifier");
741 if( pnID != null ) { stID=pnID.getFirstChild().getTerminal(); }
742 SESENode start=new SESENode(stID);
743 SESENode end =new SESENode(stID);
745 end.setStart( start );
746 blockstatements.add(start);
747 blockstatements.addAll(parseSESEBlock(blockstatements,pn.getChild("body").getFirstChild()));
748 blockstatements.add(end);
749 } else if (isNode(pn,"continue")) {
750 blockstatements.add(new ContinueBreakNode(false));
751 } else if (isNode(pn,"break")) {
752 blockstatements.add(new ContinueBreakNode(true));
755 System.out.println("---------------");
756 System.out.println(pn.PPrint(3,true));
759 return blockstatements;
762 public MethodDescriptor parseMethodHeader(ParseNode pn) {
763 ParseNode mn=pn.getChild("modifiers");
764 Modifiers m=parseModifiersList(mn);
766 ParseNode tn=pn.getChild("returntype");
767 TypeDescriptor returntype;
769 returntype=parseTypeDescriptor(tn);
771 returntype=new TypeDescriptor(TypeDescriptor.VOID);
773 ParseNode pmd=pn.getChild("method_declarator");
774 String name=pmd.getChild("name").getTerminal();
775 MethodDescriptor md=new MethodDescriptor(m, returntype, name);
777 ParseNode paramnode=pmd.getChild("parameters");
778 parseParameterList(md,paramnode);
782 public void parseParameterList(MethodDescriptor md, ParseNode pn) {
783 ParseNode paramlist=pn.getChild("formal_parameter_list");
786 ParseNodeVector pnv=paramlist.getChildren();
787 for(int i=0; i<pnv.size(); i++) {
788 ParseNode paramn=pnv.elementAt(i);
790 if (isNode(paramn, "tag_parameter")) {
791 String paramname=paramn.getChild("single").getTerminal();
792 TypeDescriptor type=new TypeDescriptor(TypeDescriptor.TAG);
793 md.addTagParameter(type, paramname);
795 TypeDescriptor type=parseTypeDescriptor(paramn);
797 ParseNode tmp=paramn;
798 while (tmp.getChild("single")==null) {
799 type=type.makeArray(state);
800 tmp=tmp.getChild("array");
802 String paramname=tmp.getChild("single").getTerminal();
804 md.addParameter(type, paramname);
809 public Modifiers parseModifiersList(ParseNode pn) {
810 Modifiers m=new Modifiers();
811 ParseNode modlist=pn.getChild("modifier_list");
813 ParseNodeVector pnv=modlist.getChildren();
814 for(int i=0; i<pnv.size(); i++) {
815 ParseNode modn=pnv.elementAt(i);
816 if (isNode(modn,"public"))
817 m.addModifier(Modifiers.PUBLIC);
818 else if (isNode(modn,"protected"))
819 m.addModifier(Modifiers.PROTECTED);
820 else if (isNode(modn,"private"))
821 m.addModifier(Modifiers.PRIVATE);
822 else if (isNode(modn,"static"))
823 m.addModifier(Modifiers.STATIC);
824 else if (isNode(modn,"final"))
825 m.addModifier(Modifiers.FINAL);
826 else if (isNode(modn,"native"))
827 m.addModifier(Modifiers.NATIVE);
828 else if (isNode(modn,"synchronized"))
829 m.addModifier(Modifiers.SYNCHRONIZED);
830 else if (isNode(modn,"atomic"))
831 m.addModifier(Modifiers.ATOMIC);
832 else throw new Error("Unrecognized Modifier");
838 private boolean isNode(ParseNode pn, String label) {
839 if (pn.getLabel().equals(label))
844 private static boolean isEmpty(ParseNode pn) {
845 if (pn.getLabel().equals("empty"))
851 private static boolean isEmpty(String s) {
852 if (s.equals("empty"))
858 /** Throw an exception if something is unexpected */
859 private void check(ParseNode pn, String label) {
861 throw new Error(pn+ "IE: Expected '" + label + "', got null");
863 if (!pn.getLabel().equals(label)) {
864 throw new Error(pn+ "IE: Expected '" + label + "', got '"+pn.getLabel()+"'");