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(ppn.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);
309 System.out.println(pn.PPrint(2, true));
314 private NameDescriptor parseName(ParseNode nn) {
315 ParseNode base=nn.getChild("base");
316 ParseNode id=nn.getChild("identifier");
318 return new NameDescriptor(id.getTerminal());
319 return new NameDescriptor(parseName(base.getChild("name")),id.getTerminal());
323 private void parseFlagDecl(ClassDescriptor cn,ParseNode pn) {
324 String name=pn.getChild("name").getTerminal();
325 FlagDescriptor flag=new FlagDescriptor(name);
326 if (pn.getChild("external")!=null)
331 private void parseFieldDecl(ClassDescriptor cn,ParseNode pn) {
332 ParseNode mn=pn.getChild("modifier");
333 Modifiers m=parseModifiersList(mn);
335 ParseNode tn=pn.getChild("type");
336 TypeDescriptor t=parseTypeDescriptor(tn);
337 ParseNode vn=pn.getChild("variables").getChild("variable_declarators_list");
338 ParseNodeVector pnv=vn.getChildren();
339 boolean isglobal=pn.getChild("global")!=null;
341 for(int i=0; i<pnv.size(); i++) {
342 ParseNode vardecl=pnv.elementAt(i);
343 ParseNode tmp=vardecl;
344 TypeDescriptor arrayt=t;
345 while (tmp.getChild("single")==null) {
346 arrayt=arrayt.makeArray(state);
347 tmp=tmp.getChild("array");
349 String identifier=tmp.getChild("single").getTerminal();
350 ParseNode epn=vardecl.getChild("initializer");
352 ExpressionNode en=null;
354 en=parseExpression(epn.getFirstChild());
356 cn.addField(new FieldDescriptor(m, arrayt, identifier, en, isglobal));
360 private ExpressionNode parseExpression(ParseNode pn) {
361 if (isNode(pn,"assignment"))
362 return parseAssignmentExpression(pn);
363 else if (isNode(pn,"logical_or")||isNode(pn,"logical_and")||
364 isNode(pn,"bitwise_or")||isNode(pn,"bitwise_xor")||
365 isNode(pn,"bitwise_and")||isNode(pn,"equal")||
366 isNode(pn,"not_equal")||isNode(pn,"comp_lt")||
367 isNode(pn,"comp_lte")||isNode(pn,"comp_gt")||
368 isNode(pn,"comp_gte")||isNode(pn,"leftshift")||
369 isNode(pn,"rightshift")||isNode(pn,"sub")||
370 isNode(pn,"urightshift")||isNode(pn,"sub")||
371 isNode(pn,"add")||isNode(pn,"mult")||
372 isNode(pn,"div")||isNode(pn,"mod")) {
373 ParseNodeVector pnv=pn.getChildren();
374 ParseNode left=pnv.elementAt(0);
375 ParseNode right=pnv.elementAt(1);
376 Operation op=new Operation(pn.getLabel());
377 return new OpNode(parseExpression(left),parseExpression(right),op);
378 } else if (isNode(pn,"unaryplus")||
379 isNode(pn,"unaryminus")||
382 ParseNode left=pn.getFirstChild();
383 Operation op=new Operation(pn.getLabel());
384 return new OpNode(parseExpression(left),op);
385 } else if (isNode(pn,"postinc")||
386 isNode(pn,"postdec")) {
387 ParseNode left=pn.getFirstChild();
388 AssignOperation op=new AssignOperation(pn.getLabel());
389 return new AssignmentNode(parseExpression(left),null,op);
391 } else if (isNode(pn,"preinc")||
392 isNode(pn,"predec")) {
393 ParseNode left=pn.getFirstChild();
394 AssignOperation op=isNode(pn,"preinc") ? new AssignOperation(AssignOperation.PLUSEQ) : new AssignOperation(AssignOperation.MINUSEQ);
395 return new AssignmentNode(parseExpression(left),
396 new LiteralNode("integer",new Integer(1)),op);
397 } else if (isNode(pn,"literal")) {
398 String literaltype=pn.getTerminal();
399 ParseNode literalnode=pn.getChild(literaltype);
400 Object literal_obj=literalnode.getLiteral();
401 return new LiteralNode(literaltype, literal_obj);
402 } else if (isNode(pn,"createobject")) {
403 TypeDescriptor td=parseTypeDescriptor(pn);
405 Vector args=parseArgumentList(pn);
406 boolean isglobal=pn.getChild("global")!=null||
407 pn.getChild("scratch")!=null;
408 String disjointId=null;
409 if( pn.getChild("disjoint") != null) {
410 disjointId = pn.getChild("disjoint").getTerminal();
412 CreateObjectNode con=new CreateObjectNode(td, isglobal, disjointId);
413 for(int i=0; i<args.size(); i++) {
414 con.addArgument((ExpressionNode)args.get(i));
416 /* Could have flag set or tag added here */
417 if (pn.getChild("flag_list")!=null||pn.getChild("tag_list")!=null) {
418 FlagEffects fe=new FlagEffects(null);
419 if (pn.getChild("flag_list")!=null)
420 parseFlagEffect(fe, pn.getChild("flag_list"));
422 if (pn.getChild("tag_list")!=null)
423 parseTagEffect(fe, pn.getChild("tag_list"));
424 con.addFlagEffects(fe);
428 } else if (isNode(pn,"createarray")) {
429 //System.out.println(pn.PPrint(3,true));
430 boolean isglobal=pn.getChild("global")!=null||
431 pn.getChild("scratch")!=null;
432 String disjointId=null;
433 if( pn.getChild("disjoint") != null) {
434 disjointId = pn.getChild("disjoint").getTerminal();
436 TypeDescriptor td=parseTypeDescriptor(pn);
437 Vector args=parseDimExprs(pn);
439 if (pn.getChild("dims_opt").getLiteral()!=null)
440 num=((Integer)pn.getChild("dims_opt").getLiteral()).intValue();
441 for(int i=0; i<(args.size()+num); i++)
442 td=td.makeArray(state);
443 CreateObjectNode con=new CreateObjectNode(td, isglobal, disjointId);
444 for(int i=0; i<args.size(); i++) {
445 con.addArgument((ExpressionNode)args.get(i));
448 } else if (isNode(pn,"name")) {
449 NameDescriptor nd=parseName(pn);
450 return new NameNode(nd);
451 } else if (isNode(pn,"this")) {
452 NameDescriptor nd=new NameDescriptor("this");
453 return new NameNode(nd);
454 } else if (isNode(pn,"isavailable")) {
455 NameDescriptor nd=new NameDescriptor(pn.getTerminal());
456 return new OpNode(new NameNode(nd),null,new Operation(Operation.ISAVAILABLE));
457 } else if (isNode(pn,"methodinvoke1")) {
458 NameDescriptor nd=parseName(pn.getChild("name"));
459 Vector args=parseArgumentList(pn);
460 MethodInvokeNode min=new MethodInvokeNode(nd);
461 for(int i=0; i<args.size(); i++) {
462 min.addArgument((ExpressionNode)args.get(i));
465 } else if (isNode(pn,"methodinvoke2")) {
466 String methodid=pn.getChild("id").getTerminal();
467 ExpressionNode exp=parseExpression(pn.getChild("base").getFirstChild());
468 Vector args=parseArgumentList(pn);
469 MethodInvokeNode min=new MethodInvokeNode(methodid,exp);
470 for(int i=0; i<args.size(); i++) {
471 min.addArgument((ExpressionNode)args.get(i));
474 } else if (isNode(pn,"fieldaccess")) {
475 ExpressionNode en=parseExpression(pn.getChild("base").getFirstChild());
476 String fieldname=pn.getChild("field").getTerminal();
477 return new FieldAccessNode(en,fieldname);
478 } else if (isNode(pn,"arrayaccess")) {
479 ExpressionNode en=parseExpression(pn.getChild("base").getFirstChild());
480 ExpressionNode index=parseExpression(pn.getChild("index").getFirstChild());
481 return new ArrayAccessNode(en,index);
482 } else if (isNode(pn,"cast1")) {
484 return new CastNode(parseTypeDescriptor(pn.getChild("type")),parseExpression(pn.getChild("exp").getFirstChild()));
485 } catch (Exception e) {
486 System.out.println(pn.PPrint(1,true));
490 } else if (isNode(pn,"cast2")) {
491 return new CastNode(parseExpression(pn.getChild("type").getFirstChild()),parseExpression(pn.getChild("exp").getFirstChild()));
492 } else if (isNode(pn, "getoffset")) {
493 TypeDescriptor td=parseTypeDescriptor(pn);
494 String fieldname = pn.getChild("field").getTerminal();
495 //System.out.println("Checking the values of: "+ " td.toString()= " + td.toString()+ " fieldname= " + fieldname);
496 return new OffsetNode(td, fieldname);
497 } else if (isNode(pn, "tert")) {
498 return new TertiaryNode(parseExpression(pn.getChild("cond").getFirstChild()),
499 parseExpression(pn.getChild("trueexpr").getFirstChild()),
500 parseExpression(pn.getChild("falseexpr").getFirstChild()) );
501 } else if (isNode(pn, "instanceof")) {
502 ExpressionNode exp=parseExpression(pn.getChild("exp").getFirstChild());
503 TypeDescriptor t=parseTypeDescriptor(pn);
504 return new InstanceOfNode(exp,t);
505 } else if (isNode(pn, "array_initializer")) {
506 System.out.println( "Array initializers not implemented yet." );
508 //TypeDescriptor td=parseTypeDescriptor(pn);
509 //Vector initializers=parseVariableInitializerList(pn);
510 //return new ArrayInitializerNode(td, initializers);
512 System.out.println("---------------------");
513 System.out.println(pn.PPrint(3,true));
518 private Vector parseDimExprs(ParseNode pn) {
519 Vector arglist=new Vector();
520 ParseNode an=pn.getChild("dim_exprs");
521 if (an==null) /* No argument list */
523 ParseNodeVector anv=an.getChildren();
524 for(int i=0; i<anv.size(); i++) {
525 arglist.add(parseExpression(anv.elementAt(i)));
530 private Vector parseArgumentList(ParseNode pn) {
531 Vector arglist=new Vector();
532 ParseNode an=pn.getChild("argument_list");
533 if (an==null) /* No argument list */
535 ParseNodeVector anv=an.getChildren();
536 for(int i=0; i<anv.size(); i++) {
537 arglist.add(parseExpression(anv.elementAt(i)));
542 private Vector[] parseConsArgumentList(ParseNode pn) {
543 Vector arglist=new Vector();
544 Vector varlist=new Vector();
545 ParseNode an=pn.getChild("cons_argument_list");
546 if (an==null) /* No argument list */
547 return new Vector[] {varlist, arglist};
548 ParseNodeVector anv=an.getChildren();
549 for(int i=0; i<anv.size(); i++) {
550 ParseNode cpn=anv.elementAt(i);
551 ParseNode var=cpn.getChild("var");
552 ParseNode exp=cpn.getChild("exp").getFirstChild();
553 varlist.add(var.getTerminal());
554 arglist.add(parseExpression(exp));
556 return new Vector[] {varlist, arglist};
559 private Vector parseVariableInitializerList(ParseNode pn) {
560 Vector varInitList=new Vector();
561 ParseNode vin=pn.getChild("variable_init_list");
562 if (vin==null) /* No argument list */
564 ParseNodeVector vinv=vin.getChildren();
565 for(int i=0; i<vinv.size(); i++) {
566 varInitList.add(parseExpression(vinv.elementAt(i)));
571 private ExpressionNode parseAssignmentExpression(ParseNode pn) {
572 AssignOperation ao=new AssignOperation(pn.getChild("op").getTerminal());
573 ParseNodeVector pnv=pn.getChild("args").getChildren();
575 AssignmentNode an=new AssignmentNode(parseExpression(pnv.elementAt(0)),parseExpression(pnv.elementAt(1)),ao);
580 private void parseMethodDecl(ClassDescriptor cn, ParseNode pn) {
581 ParseNode headern=pn.getChild("method_header");
582 ParseNode bodyn=pn.getChild("body");
583 MethodDescriptor md=parseMethodHeader(headern);
585 BlockNode bn=parseBlock(bodyn);
587 state.addTreeCode(md,bn);
588 } catch (Exception e) {
589 System.out.println("Error with method:"+md.getSymbol());
593 System.out.println("Error with method:"+md.getSymbol());
599 private void parseConstructorDecl(ClassDescriptor cn, ParseNode pn) {
600 ParseNode mn=pn.getChild("modifiers");
601 Modifiers m=parseModifiersList(mn);
602 ParseNode cdecl=pn.getChild("constructor_declarator");
603 boolean isglobal=cdecl.getChild("global")!=null;
604 String name=cdecl.getChild("name").getChild("identifier").getTerminal();
605 MethodDescriptor md=new MethodDescriptor(m, name, isglobal);
606 ParseNode paramnode=cdecl.getChild("parameters");
607 parseParameterList(md,paramnode);
608 ParseNode bodyn0=pn.getChild("body");
609 ParseNode bodyn=bodyn0.getChild("constructor_body");
612 if (bodyn!=null&&bodyn.getChild("block_statement_list")!=null)
613 bn=parseBlock(bodyn);
616 if (bodyn!=null&&bodyn.getChild("superinvoke")!=null) {
617 ParseNode sin=bodyn.getChild("superinvoke");
618 NameDescriptor nd=new NameDescriptor("super");
619 Vector args=parseArgumentList(sin);
620 MethodInvokeNode min=new MethodInvokeNode(nd);
621 for(int i=0; i<args.size(); i++) {
622 min.addArgument((ExpressionNode)args.get(i));
624 BlockExpressionNode ben=new BlockExpressionNode(min);
625 bn.addFirstBlockStatement(ben);
627 } else if (bodyn!=null&&bodyn.getChild("explconstrinv")!=null) {
628 ParseNode eci=bodyn.getChild("explconstrinv");
629 NameDescriptor nd=new NameDescriptor(cn.getSymbol());
630 Vector args=parseArgumentList(eci);
631 MethodInvokeNode min=new MethodInvokeNode(nd);
632 for(int i=0; i<args.size(); i++) {
633 min.addArgument((ExpressionNode)args.get(i));
635 BlockExpressionNode ben=new BlockExpressionNode(min);
636 bn.addFirstBlockStatement(ben);
638 state.addTreeCode(md,bn);
641 public BlockNode parseBlock(ParseNode pn) {
642 this.m_taskexitnum = 0;
643 if (pn==null||isEmpty(pn.getTerminal()))
644 return new BlockNode();
645 ParseNode bsn=pn.getChild("block_statement_list");
646 return parseBlockHelper(bsn);
649 private BlockNode parseBlockHelper(ParseNode pn) {
650 ParseNodeVector pnv=pn.getChildren();
651 BlockNode bn=new BlockNode();
652 for(int i=0; i<pnv.size(); i++) {
653 Vector bsv=parseBlockStatement(pnv.elementAt(i));
654 for(int j=0; j<bsv.size(); j++) {
655 bn.addBlockStatement((BlockStatementNode)bsv.get(j));
661 public BlockNode parseSingleBlock(ParseNode pn) {
662 BlockNode bn=new BlockNode();
663 Vector bsv=parseBlockStatement(pn);
664 for(int j=0; j<bsv.size(); j++) {
665 bn.addBlockStatement((BlockStatementNode)bsv.get(j));
667 bn.setStyle(BlockNode.NOBRACES);
671 public Vector parseSESEBlock(Vector parentbs, ParseNode pn) {
672 ParseNodeVector pnv=pn.getChildren();
673 Vector bv=new Vector();
674 for(int i=0; i<pnv.size(); i++) {
675 bv.addAll(parseBlockStatement(pnv.elementAt(i)));
680 public Vector parseBlockStatement(ParseNode pn) {
681 Vector blockstatements=new Vector();
682 if (isNode(pn,"tag_declaration")) {
683 String name=pn.getChild("single").getTerminal();
684 String type=pn.getChild("type").getTerminal();
686 blockstatements.add(new TagDeclarationNode(name, type));
687 } else if (isNode(pn,"local_variable_declaration")) {
688 TypeDescriptor t=parseTypeDescriptor(pn);
689 ParseNode vn=pn.getChild("variable_declarators_list");
690 ParseNodeVector pnv=vn.getChildren();
691 for(int i=0; i<pnv.size(); i++) {
692 ParseNode vardecl=pnv.elementAt(i);
695 ParseNode tmp=vardecl;
696 TypeDescriptor arrayt=t;
697 while (tmp.getChild("single")==null) {
698 arrayt=arrayt.makeArray(state);
699 tmp=tmp.getChild("array");
701 String identifier=tmp.getChild("single").getTerminal();
703 ParseNode epn=vardecl.getChild("initializer");
706 ExpressionNode en=null;
708 en=parseExpression(epn.getFirstChild());
710 blockstatements.add(new DeclarationNode(new VarDescriptor(arrayt, identifier),en));
712 } else if (isNode(pn,"nop")) {
714 } else if (isNode(pn,"expression")) {
715 blockstatements.add(new BlockExpressionNode(parseExpression(pn.getFirstChild())));
716 } else if (isNode(pn,"ifstatement")) {
717 blockstatements.add(new IfStatementNode(parseExpression(pn.getChild("condition").getFirstChild()),
718 parseSingleBlock(pn.getChild("statement").getFirstChild()),
719 pn.getChild("else_statement")!=null ? parseSingleBlock(pn.getChild("else_statement").getFirstChild()) : null));
720 } else if (isNode(pn,"taskexit")) {
722 if (pn.getChild("flag_effects_list")!=null)
723 vfe=parseFlags(pn.getChild("flag_effects_list"));
725 if (pn.getChild("cons_checks")!=null)
726 ccs=parseChecks(pn.getChild("cons_checks"));
728 blockstatements.add(new TaskExitNode(vfe, ccs, this.m_taskexitnum++));
729 } else if (isNode(pn,"atomic")) {
730 BlockNode bn=parseBlockHelper(pn);
731 blockstatements.add(new AtomicNode(bn));
732 } else if (isNode(pn,"synchronized")) {
733 BlockNode bn=parseBlockHelper(pn.getChild("block"));
734 ExpressionNode en=parseExpression(pn.getChild("expr").getFirstChild());
735 blockstatements.add(new SynchronizedNode(en, bn));
736 } else if (isNode(pn,"return")) {
737 if (isEmpty(pn.getTerminal()))
738 blockstatements.add(new ReturnNode());
740 ExpressionNode en=parseExpression(pn.getFirstChild());
741 blockstatements.add(new ReturnNode(en));
743 } else if (isNode(pn,"block_statement_list")) {
744 BlockNode bn=parseBlockHelper(pn);
745 blockstatements.add(new SubBlockNode(bn));
746 } else if (isNode(pn,"empty")) {
748 } else if (isNode(pn,"statement_expression_list")) {
749 ParseNodeVector pnv=pn.getChildren();
750 BlockNode bn=new BlockNode();
751 for(int i=0; i<pnv.size(); i++) {
752 ExpressionNode en=parseExpression(pnv.elementAt(i));
753 blockstatements.add(new BlockExpressionNode(en));
755 bn.setStyle(BlockNode.EXPRLIST);
756 } else if (isNode(pn,"forstatement")) {
757 BlockNode init=parseSingleBlock(pn.getChild("initializer").getFirstChild());
758 BlockNode update=parseSingleBlock(pn.getChild("update").getFirstChild());
759 ExpressionNode condition=parseExpression(pn.getChild("condition").getFirstChild());
760 BlockNode body=parseSingleBlock(pn.getChild("statement").getFirstChild());
761 blockstatements.add(new LoopNode(init,condition,update,body));
762 } else if (isNode(pn,"whilestatement")) {
763 ExpressionNode condition=parseExpression(pn.getChild("condition").getFirstChild());
764 BlockNode body=parseSingleBlock(pn.getChild("statement").getFirstChild());
765 blockstatements.add(new LoopNode(condition,body,LoopNode.WHILELOOP));
766 } else if (isNode(pn,"dowhilestatement")) {
767 ExpressionNode condition=parseExpression(pn.getChild("condition").getFirstChild());
768 BlockNode body=parseSingleBlock(pn.getChild("statement").getFirstChild());
769 blockstatements.add(new LoopNode(condition,body,LoopNode.DOWHILELOOP));
770 } else if (isNode(pn,"sese")) {
771 ParseNode pnID=pn.getChild("identifier");
773 if( pnID != null ) { stID=pnID.getFirstChild().getTerminal(); }
774 SESENode start=new SESENode(stID);
775 SESENode end =new SESENode(stID);
777 end.setStart( start );
778 blockstatements.add(start);
779 blockstatements.addAll(parseSESEBlock(blockstatements,pn.getChild("body").getFirstChild()));
780 blockstatements.add(end);
781 } else if (isNode(pn,"continue")) {
782 blockstatements.add(new ContinueBreakNode(false));
783 } else if (isNode(pn,"break")) {
784 blockstatements.add(new ContinueBreakNode(true));
787 System.out.println("---------------");
788 System.out.println(pn.PPrint(3,true));
791 return blockstatements;
794 public MethodDescriptor parseMethodHeader(ParseNode pn) {
795 ParseNode mn=pn.getChild("modifiers");
796 Modifiers m=parseModifiersList(mn);
798 ParseNode tn=pn.getChild("returntype");
799 TypeDescriptor returntype;
801 returntype=parseTypeDescriptor(tn);
803 returntype=new TypeDescriptor(TypeDescriptor.VOID);
805 ParseNode pmd=pn.getChild("method_declarator");
806 String name=pmd.getChild("name").getTerminal();
807 MethodDescriptor md=new MethodDescriptor(m, returntype, name);
809 ParseNode paramnode=pmd.getChild("parameters");
810 parseParameterList(md,paramnode);
814 public void parseParameterList(MethodDescriptor md, ParseNode pn) {
815 ParseNode paramlist=pn.getChild("formal_parameter_list");
818 ParseNodeVector pnv=paramlist.getChildren();
819 for(int i=0; i<pnv.size(); i++) {
820 ParseNode paramn=pnv.elementAt(i);
822 if (isNode(paramn, "tag_parameter")) {
823 String paramname=paramn.getChild("single").getTerminal();
824 TypeDescriptor type=new TypeDescriptor(TypeDescriptor.TAG);
825 md.addTagParameter(type, paramname);
827 TypeDescriptor type=parseTypeDescriptor(paramn);
829 ParseNode tmp=paramn;
830 while (tmp.getChild("single")==null) {
831 type=type.makeArray(state);
832 tmp=tmp.getChild("array");
834 String paramname=tmp.getChild("single").getTerminal();
836 md.addParameter(type, paramname);
841 public Modifiers parseModifiersList(ParseNode pn) {
842 Modifiers m=new Modifiers();
843 ParseNode modlist=pn.getChild("modifier_list");
845 ParseNodeVector pnv=modlist.getChildren();
846 for(int i=0; i<pnv.size(); i++) {
847 ParseNode modn=pnv.elementAt(i);
848 if (isNode(modn,"public"))
849 m.addModifier(Modifiers.PUBLIC);
850 else if (isNode(modn,"protected"))
851 m.addModifier(Modifiers.PROTECTED);
852 else if (isNode(modn,"private"))
853 m.addModifier(Modifiers.PRIVATE);
854 else if (isNode(modn,"static"))
855 m.addModifier(Modifiers.STATIC);
856 else if (isNode(modn,"final"))
857 m.addModifier(Modifiers.FINAL);
858 else if (isNode(modn,"native"))
859 m.addModifier(Modifiers.NATIVE);
860 else if (isNode(modn,"synchronized"))
861 m.addModifier(Modifiers.SYNCHRONIZED);
862 else if (isNode(modn,"atomic"))
863 m.addModifier(Modifiers.ATOMIC);
864 else throw new Error("Unrecognized Modifier");
870 private boolean isNode(ParseNode pn, String label) {
871 if (pn.getLabel().equals(label))
876 private static boolean isEmpty(ParseNode pn) {
877 if (pn.getLabel().equals("empty"))
883 private static boolean isEmpty(String s) {
884 if (s.equals("empty"))
890 /** Throw an exception if something is unexpected */
891 private void check(ParseNode pn, String label) {
893 throw new Error(pn+ "IE: Expected '" + label + "', got null");
895 if (!pn.getLabel().equals(label)) {
896 throw new Error(pn+ "IE: Expected '" + label + "', got '"+pn.getLabel()+"'");