10 private int m_taskexitnum;
12 public BuildIR(State state) {
14 this.m_taskexitnum = 0;
17 public void buildtree(ParseNode pn, Set toanalyze) {
18 parseFile(pn, toanalyze);
23 NameDescriptor packages;
25 /** Parse the classes in this file */
26 public void parseFile(ParseNode pn, Set toanalyze) {
27 singleimports=new Vector();
28 multiimports=new Vector();
30 ParseNode ipn=pn.getChild("imports").getChild("import_decls_list");
32 ParseNodeVector pnv=ipn.getChildren();
33 for(int i=0; i<pnv.size(); i++) {
34 ParseNode pnimport=pnv.elementAt(i);
35 NameDescriptor nd=parseName(pnimport.getChild("name"));
36 if (isNode(pnimport,"import_single"))
37 singleimports.add(nd);
42 ParseNode ppn=pn.getChild("packages").getChild("package");
44 packages=parseName(ppn.getChild("name"));
46 ParseNode tpn=pn.getChild("type_declaration_list");
48 ParseNodeVector pnv=tpn.getChildren();
49 for(int i=0; i<pnv.size(); i++) {
50 ParseNode type_pn=pnv.elementAt(i);
51 if (isEmpty(type_pn)) /* Skip the semicolon */
53 if (isNode(type_pn,"class_declaration")) {
54 ClassDescriptor cn=parseTypeDecl(type_pn);
58 } else if (isNode(type_pn,"task_declaration")) {
59 TaskDescriptor td=parseTaskDecl(type_pn);
64 throw new Error(type_pn.getLabel());
70 public TaskDescriptor parseTaskDecl(ParseNode pn) {
71 TaskDescriptor td=new TaskDescriptor(pn.getChild("name").getTerminal());
72 ParseNode bodyn=pn.getChild("body");
73 BlockNode bn=parseBlock(bodyn);
74 parseParameterList(td, pn);
75 state.addTreeCode(td,bn);
76 if (pn.getChild("flag_effects_list")!=null)
77 td.addFlagEffects(parseFlags(pn.getChild("flag_effects_list")));
81 public Vector parseFlags(ParseNode pn) {
82 Vector vfe=new Vector();
83 ParseNodeVector pnv=pn.getChildren();
84 for(int i=0; i<pnv.size(); i++) {
85 ParseNode fn=pnv.elementAt(i);
86 FlagEffects fe=parseFlagEffects(fn);
92 public FlagEffects parseFlagEffects(ParseNode pn) {
93 if (isNode(pn,"flag_effect")) {
94 String flagname=pn.getChild("name").getTerminal();
95 FlagEffects fe=new FlagEffects(flagname);
96 if (pn.getChild("flag_list")!=null)
97 parseFlagEffect(fe, pn.getChild("flag_list"));
98 if (pn.getChild("tag_list")!=null)
99 parseTagEffect(fe, pn.getChild("tag_list"));
101 } else throw new Error();
104 public void parseTagEffect(FlagEffects fes, ParseNode pn) {
105 ParseNodeVector pnv=pn.getChildren();
106 for(int i=0; i<pnv.size(); i++) {
107 ParseNode pn2=pnv.elementAt(i);
109 if (isNode(pn2,"not")) {
111 pn2=pn2.getChild("name");
113 String name=pn2.getTerminal();
114 fes.addTagEffect(new TagEffect(name,status));
118 public void parseFlagEffect(FlagEffects fes, ParseNode pn) {
119 ParseNodeVector pnv=pn.getChildren();
120 for(int i=0; i<pnv.size(); i++) {
121 ParseNode pn2=pnv.elementAt(i);
123 if (isNode(pn2,"not")) {
125 pn2=pn2.getChild("name");
127 String name=pn2.getTerminal();
128 fes.addEffect(new FlagEffect(name,status));
132 public FlagExpressionNode parseFlagExpression(ParseNode pn) {
133 if (isNode(pn,"or")) {
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_OR));
138 } else if (isNode(pn,"and")) {
139 ParseNodeVector pnv=pn.getChildren();
140 ParseNode left=pnv.elementAt(0);
141 ParseNode right=pnv.elementAt(1);
142 return new FlagOpNode(parseFlagExpression(left), parseFlagExpression(right), new Operation(Operation.LOGIC_AND));
143 } else if (isNode(pn, "not")) {
144 ParseNodeVector pnv=pn.getChildren();
145 ParseNode left=pnv.elementAt(0);
146 return new FlagOpNode(parseFlagExpression(left), new Operation(Operation.LOGIC_NOT));
148 } else if (isNode(pn,"name")) {
149 return new FlagNode(pn.getTerminal());
155 public Vector parseChecks(ParseNode pn) {
156 Vector ccs=new Vector();
157 ParseNodeVector pnv=pn.getChildren();
158 for(int i=0; i<pnv.size(); i++) {
159 ParseNode fn=pnv.elementAt(i);
160 ConstraintCheck cc=parseConstraintCheck(fn);
166 public ConstraintCheck parseConstraintCheck(ParseNode pn) {
167 if (isNode(pn,"cons_check")) {
168 String specname=pn.getChild("name").getChild("identifier").getTerminal();
169 Vector[] args=parseConsArgumentList(pn);
170 ConstraintCheck cc=new ConstraintCheck(specname);
171 for(int i=0; i<args[0].size(); i++) {
172 cc.addVariable((String)args[0].get(i));
173 cc.addArgument((ExpressionNode)args[1].get(i));
176 } else throw new Error();
179 public void parseParameterList(TaskDescriptor td, ParseNode pn) {
182 ParseNode paramlist=pn.getChild("task_parameter_list");
185 ParseNodeVector pnv=paramlist.getChildren();
186 for(int i=0; i<pnv.size(); i++) {
187 ParseNode paramn=pnv.elementAt(i);
188 if(paramn.getChild("optional")!=null) {
190 paramn = paramn.getChild("optional").getFirstChild();
191 System.out.println("OPTIONAL FOUND!!!!!!!");
192 } else { optional = false;
193 System.out.println("NOT OPTIONAL");}
195 TypeDescriptor type=parseTypeDescriptor(paramn);
197 String paramname=paramn.getChild("single").getTerminal();
198 FlagExpressionNode fen=null;
199 if (paramn.getChild("flag")!=null)
200 fen=parseFlagExpression(paramn.getChild("flag").getFirstChild());
202 ParseNode tagnode=paramn.getChild("tag");
204 TagExpressionList tel=null;
206 tel=parseTagExpressionList(tagnode);
209 td.addParameter(type,paramname,fen, tel, optional);
213 public TagExpressionList parseTagExpressionList(ParseNode pn) {
214 //BUG FIX: change pn.getChildren() to pn.getChild("tag_expression_list").getChildren()
215 //To test, feed in any input program that uses tags
216 ParseNodeVector pnv=pn.getChild("tag_expression_list").getChildren();
217 TagExpressionList tel=new TagExpressionList();
218 for(int i=0; i<pnv.size(); i++) {
219 ParseNode tn=pnv.elementAt(i);
220 String type=tn.getChild("type").getTerminal();
221 String name=tn.getChild("single").getTerminal();
222 tel.addTag(type, name);
227 public ClassDescriptor parseTypeDecl(ParseNode pn) {
228 ClassDescriptor cn=new ClassDescriptor(pn.getChild("name").getTerminal());
229 if (!isEmpty(pn.getChild("super").getTerminal())) {
230 /* parse superclass name */
231 ParseNode snn=pn.getChild("super").getChild("type").getChild("class").getChild("name");
232 NameDescriptor nd=parseName(snn);
233 cn.setSuper(nd.toString());
235 if (!(cn.getSymbol().equals(TypeUtil.ObjectClass)||
236 cn.getSymbol().equals(TypeUtil.TagClass)))
237 cn.setSuper(TypeUtil.ObjectClass);
239 cn.setModifiers(parseModifiersList(pn.getChild("modifiers")));
240 parseClassBody(cn, pn.getChild("classbody"));
244 private void parseClassBody(ClassDescriptor cn, ParseNode pn) {
245 ParseNode decls=pn.getChild("class_body_declaration_list");
247 ParseNodeVector pnv=decls.getChildren();
248 for(int i=0; i<pnv.size(); i++) {
249 ParseNode decl=pnv.elementAt(i);
250 if (isNode(decl,"member")) {
251 parseClassMember(cn,decl);
252 } else if (isNode(decl,"constructor")) {
253 parseConstructorDecl(cn,decl.getChild("constructor_declaration"));
254 } else if (isNode(decl, "static_block")) {
256 // TODO add version for normal Java later
257 parseStaticBlockDecl(cn, decl.getChild("static_block_declaration"));
259 throw new Error("Static blocks not implemented");
261 } else if (isNode(decl,"block")) {
262 } else throw new Error();
267 private void parseClassMember(ClassDescriptor cn, ParseNode pn) {
268 ParseNode fieldnode=pn.getChild("field");
270 if (fieldnode!=null) {
271 parseFieldDecl(cn,fieldnode.getChild("field_declaration"));
274 ParseNode methodnode=pn.getChild("method");
275 if (methodnode!=null) {
276 parseMethodDecl(cn,methodnode.getChild("method_declaration"));
279 ParseNode flagnode=pn.getChild("flag");
280 if (flagnode!=null) {
281 parseFlagDecl(cn, flagnode.getChild("flag_declaration"));
287 private TypeDescriptor parseTypeDescriptor(ParseNode pn) {
288 ParseNode tn=pn.getChild("type");
289 String type_st=tn.getTerminal();
290 if(type_st.equals("byte")) {
291 return state.getTypeDescriptor(TypeDescriptor.BYTE);
292 } else if(type_st.equals("short")) {
293 return state.getTypeDescriptor(TypeDescriptor.SHORT);
294 } else if(type_st.equals("boolean")) {
295 return state.getTypeDescriptor(TypeDescriptor.BOOLEAN);
296 } else if(type_st.equals("int")) {
297 return state.getTypeDescriptor(TypeDescriptor.INT);
298 } else if(type_st.equals("long")) {
299 return state.getTypeDescriptor(TypeDescriptor.LONG);
300 } else if(type_st.equals("char")) {
301 return state.getTypeDescriptor(TypeDescriptor.CHAR);
302 } else if(type_st.equals("float")) {
303 return state.getTypeDescriptor(TypeDescriptor.FLOAT);
304 } else if(type_st.equals("double")) {
305 return state.getTypeDescriptor(TypeDescriptor.DOUBLE);
306 } else if(type_st.equals("class")) {
307 ParseNode nn=tn.getChild("class");
308 return state.getTypeDescriptor(parseName(nn.getChild("name")));
309 } else if(type_st.equals("array")) {
310 ParseNode nn=tn.getChild("array");
311 TypeDescriptor td=parseTypeDescriptor(nn.getChild("basetype"));
312 Integer numdims=(Integer)nn.getChild("dims").getLiteral();
313 for(int i=0; i<numdims.intValue(); i++)
314 td=td.makeArray(state);
317 System.out.println(pn.PPrint(2, true));
322 private NameDescriptor parseName(ParseNode nn) {
323 ParseNode base=nn.getChild("base");
324 ParseNode id=nn.getChild("identifier");
326 return new NameDescriptor(id.getTerminal());
327 return new NameDescriptor(parseName(base.getChild("name")),id.getTerminal());
331 private void parseFlagDecl(ClassDescriptor cn,ParseNode pn) {
332 String name=pn.getChild("name").getTerminal();
333 FlagDescriptor flag=new FlagDescriptor(name);
334 if (pn.getChild("external")!=null)
339 private void parseFieldDecl(ClassDescriptor cn,ParseNode pn) {
340 ParseNode mn=pn.getChild("modifier");
341 Modifiers m=parseModifiersList(mn);
343 ParseNode tn=pn.getChild("type");
344 TypeDescriptor t=parseTypeDescriptor(tn);
345 ParseNode vn=pn.getChild("variables").getChild("variable_declarators_list");
346 ParseNodeVector pnv=vn.getChildren();
347 boolean isglobal=pn.getChild("global")!=null;
349 for(int i=0; i<pnv.size(); i++) {
350 ParseNode vardecl=pnv.elementAt(i);
351 ParseNode tmp=vardecl;
352 TypeDescriptor arrayt=t;
353 while (tmp.getChild("single")==null) {
354 arrayt=arrayt.makeArray(state);
355 tmp=tmp.getChild("array");
357 String identifier=tmp.getChild("single").getTerminal();
358 ParseNode epn=vardecl.getChild("initializer");
360 ExpressionNode en=null;
362 en=parseExpression(epn.getFirstChild());
364 cn.addField(new FieldDescriptor(m, arrayt, identifier, en, isglobal));
368 private ExpressionNode parseExpression(ParseNode pn) {
369 if (isNode(pn,"assignment"))
370 return parseAssignmentExpression(pn);
371 else if (isNode(pn,"logical_or")||isNode(pn,"logical_and")||
372 isNode(pn,"bitwise_or")||isNode(pn,"bitwise_xor")||
373 isNode(pn,"bitwise_and")||isNode(pn,"equal")||
374 isNode(pn,"not_equal")||isNode(pn,"comp_lt")||
375 isNode(pn,"comp_lte")||isNode(pn,"comp_gt")||
376 isNode(pn,"comp_gte")||isNode(pn,"leftshift")||
377 isNode(pn,"rightshift")||isNode(pn,"sub")||
378 isNode(pn,"urightshift")||isNode(pn,"sub")||
379 isNode(pn,"add")||isNode(pn,"mult")||
380 isNode(pn,"div")||isNode(pn,"mod")) {
381 ParseNodeVector pnv=pn.getChildren();
382 ParseNode left=pnv.elementAt(0);
383 ParseNode right=pnv.elementAt(1);
384 Operation op=new Operation(pn.getLabel());
385 return new OpNode(parseExpression(left),parseExpression(right),op);
386 } else if (isNode(pn,"unaryplus")||
387 isNode(pn,"unaryminus")||
390 ParseNode left=pn.getFirstChild();
391 Operation op=new Operation(pn.getLabel());
392 return new OpNode(parseExpression(left),op);
393 } else if (isNode(pn,"postinc")||
394 isNode(pn,"postdec")) {
395 ParseNode left=pn.getFirstChild();
396 AssignOperation op=new AssignOperation(pn.getLabel());
397 return new AssignmentNode(parseExpression(left),null,op);
399 } else if (isNode(pn,"preinc")||
400 isNode(pn,"predec")) {
401 ParseNode left=pn.getFirstChild();
402 AssignOperation op=isNode(pn,"preinc") ? new AssignOperation(AssignOperation.PLUSEQ) : new AssignOperation(AssignOperation.MINUSEQ);
403 return new AssignmentNode(parseExpression(left),
404 new LiteralNode("integer",new Integer(1)),op);
405 } else if (isNode(pn,"literal")) {
406 String literaltype=pn.getTerminal();
407 ParseNode literalnode=pn.getChild(literaltype);
408 Object literal_obj=literalnode.getLiteral();
409 return new LiteralNode(literaltype, literal_obj);
410 } else if (isNode(pn,"createobject")) {
411 TypeDescriptor td=parseTypeDescriptor(pn);
413 Vector args=parseArgumentList(pn);
414 boolean isglobal=pn.getChild("global")!=null||
415 pn.getChild("scratch")!=null;
416 String disjointId=null;
417 if( pn.getChild("disjoint") != null) {
418 disjointId = pn.getChild("disjoint").getTerminal();
420 CreateObjectNode con=new CreateObjectNode(td, isglobal, disjointId);
421 for(int i=0; i<args.size(); i++) {
422 con.addArgument((ExpressionNode)args.get(i));
424 /* Could have flag set or tag added here */
425 if (pn.getChild("flag_list")!=null||pn.getChild("tag_list")!=null) {
426 FlagEffects fe=new FlagEffects(null);
427 if (pn.getChild("flag_list")!=null)
428 parseFlagEffect(fe, pn.getChild("flag_list"));
430 if (pn.getChild("tag_list")!=null)
431 parseTagEffect(fe, pn.getChild("tag_list"));
432 con.addFlagEffects(fe);
436 } else if (isNode(pn,"createarray")) {
437 //System.out.println(pn.PPrint(3,true));
438 boolean isglobal=pn.getChild("global")!=null||
439 pn.getChild("scratch")!=null;
440 String disjointId=null;
441 if( pn.getChild("disjoint") != null) {
442 disjointId = pn.getChild("disjoint").getTerminal();
444 TypeDescriptor td=parseTypeDescriptor(pn);
445 Vector args=parseDimExprs(pn);
447 if (pn.getChild("dims_opt").getLiteral()!=null)
448 num=((Integer)pn.getChild("dims_opt").getLiteral()).intValue();
449 for(int i=0; i<(args.size()+num); i++)
450 td=td.makeArray(state);
451 CreateObjectNode con=new CreateObjectNode(td, isglobal, disjointId);
452 for(int i=0; i<args.size(); i++) {
453 con.addArgument((ExpressionNode)args.get(i));
456 } else if (isNode(pn,"name")) {
457 NameDescriptor nd=parseName(pn);
458 return new NameNode(nd);
459 } else if (isNode(pn,"this")) {
460 NameDescriptor nd=new NameDescriptor("this");
461 return new NameNode(nd);
462 } else if (isNode(pn,"isavailable")) {
463 NameDescriptor nd=new NameDescriptor(pn.getTerminal());
464 return new OpNode(new NameNode(nd),null,new Operation(Operation.ISAVAILABLE));
465 } else if (isNode(pn,"methodinvoke1")) {
466 NameDescriptor nd=parseName(pn.getChild("name"));
467 Vector args=parseArgumentList(pn);
468 MethodInvokeNode min=new MethodInvokeNode(nd);
469 for(int i=0; i<args.size(); i++) {
470 min.addArgument((ExpressionNode)args.get(i));
473 } else if (isNode(pn,"methodinvoke2")) {
474 String methodid=pn.getChild("id").getTerminal();
475 ExpressionNode exp=parseExpression(pn.getChild("base").getFirstChild());
476 Vector args=parseArgumentList(pn);
477 MethodInvokeNode min=new MethodInvokeNode(methodid,exp);
478 for(int i=0; i<args.size(); i++) {
479 min.addArgument((ExpressionNode)args.get(i));
482 } else if (isNode(pn,"fieldaccess")) {
483 ExpressionNode en=parseExpression(pn.getChild("base").getFirstChild());
484 String fieldname=pn.getChild("field").getTerminal();
485 return new FieldAccessNode(en,fieldname);
486 } else if (isNode(pn,"arrayaccess")) {
487 ExpressionNode en=parseExpression(pn.getChild("base").getFirstChild());
488 ExpressionNode index=parseExpression(pn.getChild("index").getFirstChild());
489 return new ArrayAccessNode(en,index);
490 } else if (isNode(pn,"cast1")) {
492 return new CastNode(parseTypeDescriptor(pn.getChild("type")),parseExpression(pn.getChild("exp").getFirstChild()));
493 } catch (Exception e) {
494 System.out.println(pn.PPrint(1,true));
498 } else if (isNode(pn,"cast2")) {
499 return new CastNode(parseExpression(pn.getChild("type").getFirstChild()),parseExpression(pn.getChild("exp").getFirstChild()));
500 } else if (isNode(pn, "getoffset")) {
501 TypeDescriptor td=parseTypeDescriptor(pn);
502 String fieldname = pn.getChild("field").getTerminal();
503 //System.out.println("Checking the values of: "+ " td.toString()= " + td.toString()+ " fieldname= " + fieldname);
504 return new OffsetNode(td, fieldname);
505 } else if (isNode(pn, "tert")) {
506 return new TertiaryNode(parseExpression(pn.getChild("cond").getFirstChild()),
507 parseExpression(pn.getChild("trueexpr").getFirstChild()),
508 parseExpression(pn.getChild("falseexpr").getFirstChild()) );
509 } else if (isNode(pn, "instanceof")) {
510 ExpressionNode exp=parseExpression(pn.getChild("exp").getFirstChild());
511 TypeDescriptor t=parseTypeDescriptor(pn);
512 return new InstanceOfNode(exp,t);
513 } else if (isNode(pn, "array_initializer")) {
514 System.out.println( "Array initializers not implemented yet." );
516 //TypeDescriptor td=parseTypeDescriptor(pn);
517 //Vector initializers=parseVariableInitializerList(pn);
518 //return new ArrayInitializerNode(td, initializers);
520 System.out.println("---------------------");
521 System.out.println(pn.PPrint(3,true));
526 private Vector parseDimExprs(ParseNode pn) {
527 Vector arglist=new Vector();
528 ParseNode an=pn.getChild("dim_exprs");
529 if (an==null) /* No argument list */
531 ParseNodeVector anv=an.getChildren();
532 for(int i=0; i<anv.size(); i++) {
533 arglist.add(parseExpression(anv.elementAt(i)));
538 private Vector parseArgumentList(ParseNode pn) {
539 Vector arglist=new Vector();
540 ParseNode an=pn.getChild("argument_list");
541 if (an==null) /* No argument list */
543 ParseNodeVector anv=an.getChildren();
544 for(int i=0; i<anv.size(); i++) {
545 arglist.add(parseExpression(anv.elementAt(i)));
550 private Vector[] parseConsArgumentList(ParseNode pn) {
551 Vector arglist=new Vector();
552 Vector varlist=new Vector();
553 ParseNode an=pn.getChild("cons_argument_list");
554 if (an==null) /* No argument list */
555 return new Vector[] {varlist, arglist};
556 ParseNodeVector anv=an.getChildren();
557 for(int i=0; i<anv.size(); i++) {
558 ParseNode cpn=anv.elementAt(i);
559 ParseNode var=cpn.getChild("var");
560 ParseNode exp=cpn.getChild("exp").getFirstChild();
561 varlist.add(var.getTerminal());
562 arglist.add(parseExpression(exp));
564 return new Vector[] {varlist, arglist};
567 private Vector parseVariableInitializerList(ParseNode pn) {
568 Vector varInitList=new Vector();
569 ParseNode vin=pn.getChild("variable_init_list");
570 if (vin==null) /* No argument list */
572 ParseNodeVector vinv=vin.getChildren();
573 for(int i=0; i<vinv.size(); i++) {
574 varInitList.add(parseExpression(vinv.elementAt(i)));
579 private ExpressionNode parseAssignmentExpression(ParseNode pn) {
580 AssignOperation ao=new AssignOperation(pn.getChild("op").getTerminal());
581 ParseNodeVector pnv=pn.getChild("args").getChildren();
583 AssignmentNode an=new AssignmentNode(parseExpression(pnv.elementAt(0)),parseExpression(pnv.elementAt(1)),ao);
588 private void parseMethodDecl(ClassDescriptor cn, ParseNode pn) {
589 ParseNode headern=pn.getChild("method_header");
590 ParseNode bodyn=pn.getChild("body");
591 MethodDescriptor md=parseMethodHeader(headern);
593 BlockNode bn=parseBlock(bodyn);
595 state.addTreeCode(md,bn);
597 // this is a hack for investigating new language features
598 // at the AST level, someday should evolve into a nice compiler
600 //if( cn.getSymbol().equals( ***put a class in here like: "Test" ) &&
601 // md.getSymbol().equals( ***put your method in here like: "main" )
603 // bn.setStyle( BlockNode.NORMAL );
604 // System.out.println( bn.printNode( 0 ) );
607 } catch (Exception e) {
608 System.out.println("Error with method:"+md.getSymbol());
612 System.out.println("Error with method:"+md.getSymbol());
618 private void parseConstructorDecl(ClassDescriptor cn, ParseNode pn) {
619 ParseNode mn=pn.getChild("modifiers");
620 Modifiers m=parseModifiersList(mn);
621 ParseNode cdecl=pn.getChild("constructor_declarator");
622 boolean isglobal=cdecl.getChild("global")!=null;
623 String name=cdecl.getChild("name").getChild("identifier").getTerminal();
624 MethodDescriptor md=new MethodDescriptor(m, name, isglobal);
625 ParseNode paramnode=cdecl.getChild("parameters");
626 parseParameterList(md,paramnode);
627 ParseNode bodyn0=pn.getChild("body");
628 ParseNode bodyn=bodyn0.getChild("constructor_body");
631 if (bodyn!=null&&bodyn.getChild("block_statement_list")!=null)
632 bn=parseBlock(bodyn);
635 if (bodyn!=null&&bodyn.getChild("superinvoke")!=null) {
636 ParseNode sin=bodyn.getChild("superinvoke");
637 NameDescriptor nd=new NameDescriptor("super");
638 Vector args=parseArgumentList(sin);
639 MethodInvokeNode min=new MethodInvokeNode(nd);
640 for(int i=0; i<args.size(); i++) {
641 min.addArgument((ExpressionNode)args.get(i));
643 BlockExpressionNode ben=new BlockExpressionNode(min);
644 bn.addFirstBlockStatement(ben);
646 } else if (bodyn!=null&&bodyn.getChild("explconstrinv")!=null) {
647 ParseNode eci=bodyn.getChild("explconstrinv");
648 NameDescriptor nd=new NameDescriptor(cn.getSymbol());
649 Vector args=parseArgumentList(eci);
650 MethodInvokeNode min=new MethodInvokeNode(nd);
651 for(int i=0; i<args.size(); i++) {
652 min.addArgument((ExpressionNode)args.get(i));
654 BlockExpressionNode ben=new BlockExpressionNode(min);
655 bn.addFirstBlockStatement(ben);
657 state.addTreeCode(md,bn);
660 private void parseStaticBlockDecl(ClassDescriptor cn, ParseNode pn) {
661 // Each class maintains one MethodDecscriptor which combines all its
662 // static blocks in their declaration order
663 boolean isfirst = false;
664 MethodDescriptor md = (MethodDescriptor)cn.getMethodTable().get("staticblocks");
666 // the first static block for this class
667 Modifiers m=new Modifiers();
668 m.addModifier(Modifiers.STATIC);
669 md = new MethodDescriptor(m, "staticblocks", false);
670 md.setAsStaticBlock();
673 ParseNode bodyn=pn.getChild("body");
677 cn.incStaticBlocks();
679 if (bodyn!=null&&bodyn.getChild("block_statement_list")!=null)
680 bn=parseBlock(bodyn);
684 state.addTreeCode(md,bn);
686 BlockNode obn = state.getMethodBody(md);
687 for(int i = 0; i < bn.size(); i++) {
688 BlockStatementNode bsn = bn.get(i);
689 obn.addBlockStatement(bsn);
691 //TODO state.addTreeCode(md, obn);
696 public BlockNode parseBlock(ParseNode pn) {
697 this.m_taskexitnum = 0;
698 if (pn==null||isEmpty(pn.getTerminal()))
699 return new BlockNode();
700 ParseNode bsn=pn.getChild("block_statement_list");
701 return parseBlockHelper(bsn);
704 private BlockNode parseBlockHelper(ParseNode pn) {
705 ParseNodeVector pnv=pn.getChildren();
706 BlockNode bn=new BlockNode();
707 for(int i=0; i<pnv.size(); i++) {
708 Vector bsv=parseBlockStatement(pnv.elementAt(i));
709 for(int j=0; j<bsv.size(); j++) {
710 bn.addBlockStatement((BlockStatementNode)bsv.get(j));
716 public BlockNode parseSingleBlock(ParseNode pn) {
717 BlockNode bn=new BlockNode();
718 Vector bsv=parseBlockStatement(pn);
719 for(int j=0; j<bsv.size(); j++) {
720 bn.addBlockStatement((BlockStatementNode)bsv.get(j));
722 bn.setStyle(BlockNode.NOBRACES);
726 public Vector parseSESEBlock(Vector parentbs, ParseNode pn) {
727 ParseNodeVector pnv=pn.getChildren();
728 Vector bv=new Vector();
729 for(int i=0; i<pnv.size(); i++) {
730 bv.addAll(parseBlockStatement(pnv.elementAt(i)));
735 public Vector parseBlockStatement(ParseNode pn) {
736 Vector blockstatements=new Vector();
737 if (isNode(pn,"tag_declaration")) {
738 String name=pn.getChild("single").getTerminal();
739 String type=pn.getChild("type").getTerminal();
741 blockstatements.add(new TagDeclarationNode(name, type));
742 } else if (isNode(pn,"local_variable_declaration")) {
743 TypeDescriptor t=parseTypeDescriptor(pn);
744 ParseNode vn=pn.getChild("variable_declarators_list");
745 ParseNodeVector pnv=vn.getChildren();
746 for(int i=0; i<pnv.size(); i++) {
747 ParseNode vardecl=pnv.elementAt(i);
750 ParseNode tmp=vardecl;
751 TypeDescriptor arrayt=t;
752 while (tmp.getChild("single")==null) {
753 arrayt=arrayt.makeArray(state);
754 tmp=tmp.getChild("array");
756 String identifier=tmp.getChild("single").getTerminal();
758 ParseNode epn=vardecl.getChild("initializer");
761 ExpressionNode en=null;
763 en=parseExpression(epn.getFirstChild());
765 blockstatements.add(new DeclarationNode(new VarDescriptor(arrayt, identifier),en));
767 } else if (isNode(pn,"nop")) {
769 } else if (isNode(pn,"expression")) {
770 blockstatements.add(new BlockExpressionNode(parseExpression(pn.getFirstChild())));
771 } else if (isNode(pn,"ifstatement")) {
772 blockstatements.add(new IfStatementNode(parseExpression(pn.getChild("condition").getFirstChild()),
773 parseSingleBlock(pn.getChild("statement").getFirstChild()),
774 pn.getChild("else_statement")!=null ? parseSingleBlock(pn.getChild("else_statement").getFirstChild()) : null));
775 } else if (isNode(pn,"taskexit")) {
777 if (pn.getChild("flag_effects_list")!=null)
778 vfe=parseFlags(pn.getChild("flag_effects_list"));
780 if (pn.getChild("cons_checks")!=null)
781 ccs=parseChecks(pn.getChild("cons_checks"));
783 blockstatements.add(new TaskExitNode(vfe, ccs, this.m_taskexitnum++));
784 } else if (isNode(pn,"atomic")) {
785 BlockNode bn=parseBlockHelper(pn);
786 blockstatements.add(new AtomicNode(bn));
787 } else if (isNode(pn,"synchronized")) {
788 BlockNode bn=parseBlockHelper(pn.getChild("block"));
789 ExpressionNode en=parseExpression(pn.getChild("expr").getFirstChild());
790 blockstatements.add(new SynchronizedNode(en, bn));
791 } else if (isNode(pn,"return")) {
792 if (isEmpty(pn.getTerminal()))
793 blockstatements.add(new ReturnNode());
795 ExpressionNode en=parseExpression(pn.getFirstChild());
796 blockstatements.add(new ReturnNode(en));
798 } else if (isNode(pn,"block_statement_list")) {
799 BlockNode bn=parseBlockHelper(pn);
800 blockstatements.add(new SubBlockNode(bn));
801 } else if (isNode(pn,"empty")) {
803 } else if (isNode(pn,"statement_expression_list")) {
804 ParseNodeVector pnv=pn.getChildren();
805 BlockNode bn=new BlockNode();
806 for(int i=0; i<pnv.size(); i++) {
807 ExpressionNode en=parseExpression(pnv.elementAt(i));
808 blockstatements.add(new BlockExpressionNode(en));
810 bn.setStyle(BlockNode.EXPRLIST);
811 } else if (isNode(pn,"forstatement")) {
812 BlockNode init=parseSingleBlock(pn.getChild("initializer").getFirstChild());
813 BlockNode update=parseSingleBlock(pn.getChild("update").getFirstChild());
814 ExpressionNode condition=parseExpression(pn.getChild("condition").getFirstChild());
815 BlockNode body=parseSingleBlock(pn.getChild("statement").getFirstChild());
816 blockstatements.add(new LoopNode(init,condition,update,body));
817 } else if (isNode(pn,"whilestatement")) {
818 ExpressionNode condition=parseExpression(pn.getChild("condition").getFirstChild());
819 BlockNode body=parseSingleBlock(pn.getChild("statement").getFirstChild());
820 blockstatements.add(new LoopNode(condition,body,LoopNode.WHILELOOP));
821 } else if (isNode(pn,"dowhilestatement")) {
822 ExpressionNode condition=parseExpression(pn.getChild("condition").getFirstChild());
823 BlockNode body=parseSingleBlock(pn.getChild("statement").getFirstChild());
824 blockstatements.add(new LoopNode(condition,body,LoopNode.DOWHILELOOP));
825 } else if (isNode(pn,"sese")) {
826 ParseNode pnID=pn.getChild("identifier");
828 if( pnID != null ) { stID=pnID.getFirstChild().getTerminal(); }
829 SESENode start=new SESENode(stID);
830 SESENode end =new SESENode(stID);
832 end.setStart( start );
833 blockstatements.add(start);
834 blockstatements.addAll(parseSESEBlock(blockstatements,pn.getChild("body").getFirstChild()));
835 blockstatements.add(end);
836 } else if (isNode(pn,"continue")) {
837 blockstatements.add(new ContinueBreakNode(false));
838 } else if (isNode(pn,"break")) {
839 blockstatements.add(new ContinueBreakNode(true));
841 } else if (isNode(pn,"genreach")) {
842 String graphName = pn.getChild("graphName").getTerminal();
843 blockstatements.add( new GenReachNode( graphName ) );
846 System.out.println("---------------");
847 System.out.println(pn.PPrint(3,true));
850 return blockstatements;
853 public MethodDescriptor parseMethodHeader(ParseNode pn) {
854 ParseNode mn=pn.getChild("modifiers");
855 Modifiers m=parseModifiersList(mn);
857 ParseNode tn=pn.getChild("returntype");
858 TypeDescriptor returntype;
860 returntype=parseTypeDescriptor(tn);
862 returntype=new TypeDescriptor(TypeDescriptor.VOID);
864 ParseNode pmd=pn.getChild("method_declarator");
865 String name=pmd.getChild("name").getTerminal();
866 MethodDescriptor md=new MethodDescriptor(m, returntype, name);
868 ParseNode paramnode=pmd.getChild("parameters");
869 parseParameterList(md,paramnode);
873 public void parseParameterList(MethodDescriptor md, ParseNode pn) {
874 ParseNode paramlist=pn.getChild("formal_parameter_list");
877 ParseNodeVector pnv=paramlist.getChildren();
878 for(int i=0; i<pnv.size(); i++) {
879 ParseNode paramn=pnv.elementAt(i);
881 if (isNode(paramn, "tag_parameter")) {
882 String paramname=paramn.getChild("single").getTerminal();
883 TypeDescriptor type=new TypeDescriptor(TypeDescriptor.TAG);
884 md.addTagParameter(type, paramname);
886 TypeDescriptor type=parseTypeDescriptor(paramn);
888 ParseNode tmp=paramn;
889 while (tmp.getChild("single")==null) {
890 type=type.makeArray(state);
891 tmp=tmp.getChild("array");
893 String paramname=tmp.getChild("single").getTerminal();
895 md.addParameter(type, paramname);
900 public Modifiers parseModifiersList(ParseNode pn) {
901 Modifiers m=new Modifiers();
902 ParseNode modlist=pn.getChild("modifier_list");
904 ParseNodeVector pnv=modlist.getChildren();
905 for(int i=0; i<pnv.size(); i++) {
906 ParseNode modn=pnv.elementAt(i);
907 if (isNode(modn,"public"))
908 m.addModifier(Modifiers.PUBLIC);
909 else if (isNode(modn,"protected"))
910 m.addModifier(Modifiers.PROTECTED);
911 else if (isNode(modn,"private"))
912 m.addModifier(Modifiers.PRIVATE);
913 else if (isNode(modn,"static"))
914 m.addModifier(Modifiers.STATIC);
915 else if (isNode(modn,"final"))
916 m.addModifier(Modifiers.FINAL);
917 else if (isNode(modn,"native"))
918 m.addModifier(Modifiers.NATIVE);
919 else if (isNode(modn,"synchronized"))
920 m.addModifier(Modifiers.SYNCHRONIZED);
921 else if (isNode(modn,"atomic"))
922 m.addModifier(Modifiers.ATOMIC);
923 else throw new Error("Unrecognized Modifier");
929 private boolean isNode(ParseNode pn, String label) {
930 if (pn.getLabel().equals(label))
935 private static boolean isEmpty(ParseNode pn) {
936 if (pn.getLabel().equals("empty"))
942 private static boolean isEmpty(String s) {
943 if (s.equals("empty"))
949 /** Throw an exception if something is unexpected */
950 private void check(ParseNode pn, String label) {
952 throw new Error(pn+ "IE: Expected '" + label + "', got null");
954 if (!pn.getLabel().equals(label)) {
955 throw new Error(pn+ "IE: Expected '" + label + "', got '"+pn.getLabel()+"'");