package IR.Tree;
import IR.*;
+import java.util.*;
+
public class BuildIR {
State state;
this.state=state;
}
public void buildtree() {
- ParseNode pn=state.parsetree;
- FileNode fn=parseFile(pn);
- System.out.println(fn.printNode());
+ for(Iterator it=state.parsetrees.iterator();it.hasNext();) {
+ ParseNode pn=(ParseNode)it.next();
+ parseFile(pn);
+ }
}
/** Parse the classes in this file */
- public FileNode parseFile(ParseNode pn) {
- FileNode fn=new FileNode();
+ public void parseFile(ParseNode pn) {
+ NameDescriptor packages;
+ Vector singleimports=new Vector();
+ Vector multiimports=new Vector();
+
+ ParseNode ipn=pn.getChild("imports").getChild("import_decls_list");
+ if (ipn!=null) {
+ ParseNodeVector pnv=ipn.getChildren();
+ for(int i=0;i<pnv.size();i++) {
+ ParseNode pnimport=pnv.elementAt(i);
+ NameDescriptor nd=parseName(pnimport.getChild("name"));
+ if (isNode(pnimport,"import_single"))
+ singleimports.add(nd);
+ else
+ multiimports.add(nd);
+ }
+ }
+ ParseNode ppn=pn.getChild("packages").getChild("package");
+ if (ppn!=null) {
+ packages=parseName(pn.getChild("name"));
+ }
ParseNode tpn=pn.getChild("type_declaration_list");
if (tpn!=null) {
ParseNodeVector pnv=tpn.getChildren();
ParseNode type_pn=pnv.elementAt(i);
if (isEmpty(type_pn)) /* Skip the semicolon */
continue;
- ClassNode cn=parseTypeDecl(type_pn);
- fn.addClass(cn);
+ if (isNode(type_pn,"class_declaration")) {
+ ClassDescriptor cn=parseTypeDecl(type_pn);
+ state.addClass(cn);
+ } else if (isNode(type_pn,"task_declaration")) {
+ TaskDescriptor td=parseTaskDecl(type_pn);
+ state.addTask(td);
+ } else {
+ throw new Error(type_pn.getLabel());
+ }
}
}
- return fn;
}
- public ClassNode parseTypeDecl(ParseNode pn) {
- if (isNode(pn, "class_declaration")) {
- ClassNode cn=new ClassNode();
- cn.setName(pn.getChild("name").getTerminal());
- if (!isEmpty(pn.getChild("super").getTerminal())) {
- /* parse superclass name */
+ public TaskDescriptor parseTaskDecl(ParseNode pn) {
+ TaskDescriptor td=new TaskDescriptor(pn.getChild("name").getTerminal());
+ ParseNode bodyn=pn.getChild("body");
+ BlockNode bn=parseBlock(bodyn);
+ parseParameterList(td, pn);
+ state.addTreeCode(td,bn);
+ if (pn.getChild("flag_effects_list")!=null)
+ td.addFlagEffects(parseFlags(pn.getChild("flag_effects_list")));
+ return td;
+ }
+
+ public Vector parseFlags(ParseNode pn) {
+ Vector vfe=new Vector();
+ ParseNodeVector pnv=pn.getChildren();
+ for(int i=0;i<pnv.size();i++) {
+ ParseNode fn=pnv.elementAt(i);
+ FlagEffects fe=parseFlagEffects(fn);
+ vfe.add(fe);
+ }
+ return vfe;
+ }
+
+ public FlagEffects parseFlagEffects(ParseNode pn) {
+ if (isNode(pn,"flag_effect")) {
+ String flagname=pn.getChild("name").getTerminal();
+ FlagEffects fe=new FlagEffects(flagname);
+ if (pn.getChild("flag_list")!=null)
+ parseFlagEffect(fe, pn.getChild("flag_list"));
+ if (pn.getChild("tag_list")!=null)
+ parseTagEffect(fe, pn.getChild("tag_list"));
+ return fe;
+ } else throw new Error();
+ }
+
+ public void parseTagEffect(FlagEffects fes, ParseNode pn) {
+ ParseNodeVector pnv=pn.getChildren();
+ for(int i=0;i<pnv.size();i++) {
+ ParseNode pn2=pnv.elementAt(i);
+ boolean status=true;
+ if (isNode(pn2,"not")) {
+ status=false;
+ pn2=pn2.getChild("name");
+ }
+ String name=pn2.getTerminal();
+ fes.addTagEffect(new TagEffect(name,status));
+ }
+ }
+
+ public void parseFlagEffect(FlagEffects fes, ParseNode pn) {
+ ParseNodeVector pnv=pn.getChildren();
+ for(int i=0;i<pnv.size();i++) {
+ ParseNode pn2=pnv.elementAt(i);
+ boolean status=true;
+ if (isNode(pn2,"not")) {
+ status=false;
+ pn2=pn2.getChild("name");
+ }
+ String name=pn2.getTerminal();
+ fes.addEffect(new FlagEffect(name,status));
+ }
+ }
+
+ public FlagExpressionNode parseFlagExpression(ParseNode pn) {
+ if (isNode(pn,"or")) {
+ ParseNodeVector pnv=pn.getChildren();
+ ParseNode left=pnv.elementAt(0);
+ ParseNode right=pnv.elementAt(1);
+ return new FlagOpNode(parseFlagExpression(left), parseFlagExpression(right), new Operation(Operation.LOGIC_OR));
+ } else if (isNode(pn,"and")) {
+ ParseNodeVector pnv=pn.getChildren();
+ ParseNode left=pnv.elementAt(0);
+ ParseNode right=pnv.elementAt(1);
+ return new FlagOpNode(parseFlagExpression(left), parseFlagExpression(right), new Operation(Operation.LOGIC_AND));
+ } else if (isNode(pn, "not")) {
+ ParseNodeVector pnv=pn.getChildren();
+ ParseNode left=pnv.elementAt(0);
+ return new FlagOpNode(parseFlagExpression(left), new Operation(Operation.LOGIC_NOT));
+
+ } else if (isNode(pn,"name")) {
+ return new FlagNode(pn.getTerminal());
+ } else {
+ throw new Error();
+ }
+ }
+
+ public Vector parseChecks(ParseNode pn) {
+ Vector ccs=new Vector();
+ ParseNodeVector pnv=pn.getChildren();
+ for(int i=0;i<pnv.size();i++) {
+ ParseNode fn=pnv.elementAt(i);
+ ConstraintCheck cc=parseConstraintCheck(fn);
+ ccs.add(cc);
+ }
+ return ccs;
+ }
+
+ public ConstraintCheck parseConstraintCheck(ParseNode pn) {
+ if (isNode(pn,"cons_check")) {
+ String specname=pn.getChild("name").getChild("identifier").getTerminal();
+ Vector[] args=parseConsArgumentList(pn);
+ ConstraintCheck cc=new ConstraintCheck(specname);
+ for(int i=0;i<args[0].size();i++) {
+ cc.addVariable((String)args[0].get(i));
+ cc.addArgument((ExpressionNode)args[1].get(i));
}
- cn.setModifiers(parseModifiersList(pn.getChild("modifiers")));
- parseClassBody(cn, pn.getChild("classbody"));
- return cn;
+ return cc;
} else throw new Error();
}
- private void parseClassBody(ClassNode cn, ParseNode pn) {
+ public void parseParameterList(TaskDescriptor td, ParseNode pn) {
+
+ boolean optional;
+ ParseNode paramlist=pn.getChild("task_parameter_list");
+ if (paramlist==null)
+ return;
+ ParseNodeVector pnv=paramlist.getChildren();
+ for(int i=0;i<pnv.size();i++) {
+ ParseNode paramn=pnv.elementAt(i);
+ if(paramn.getChild("optional")!=null){
+ optional = true;
+ paramn = paramn.getChild("optional").getFirstChild();
+ System.out.println("OPTIONAL FOUND!!!!!!!");
+ }
+ else { optional = false;
+ System.out.println("NOT OPTIONAL");
+ }
+
+ TypeDescriptor type=parseTypeDescriptor(paramn);
+
+ String paramname=paramn.getChild("single").getTerminal();
+ FlagExpressionNode fen=null;
+ if (paramn.getChild("flag")!=null)
+ fen=parseFlagExpression(paramn.getChild("flag").getFirstChild());
+
+ ParseNode tagnode=paramn.getChild("tag");
+
+ TagExpressionList tel=null;
+ if (tagnode!=null) {
+ tel=parseTagExpressionList(tagnode);
+ }
+
+ td.addParameter(type,paramname,fen, tel, optional);
+ }
+ }
+
+ public TagExpressionList parseTagExpressionList(ParseNode pn) {
+ //BUG FIX: change pn.getChildren() to pn.getChild("tag_expression_list").getChildren()
+ //To test, feed in any input program that uses tags
+ ParseNodeVector pnv=pn.getChild("tag_expression_list").getChildren();
+ TagExpressionList tel=new TagExpressionList();
+ for(int i=0;i<pnv.size();i++) {
+ ParseNode tn=pnv.elementAt(i);
+ String type=tn.getChild("type").getTerminal();
+ String name=tn.getChild("single").getTerminal();
+ tel.addTag(type, name);
+ }
+ return tel;
+ }
+
+ public ClassDescriptor parseTypeDecl(ParseNode pn) {
+ ClassDescriptor cn=new ClassDescriptor(pn.getChild("name").getTerminal());
+ if (!isEmpty(pn.getChild("super").getTerminal())) {
+ /* parse superclass name */
+ ParseNode snn=pn.getChild("super").getChild("type").getChild("class").getChild("name");
+ NameDescriptor nd=parseName(snn);
+ cn.setSuper(nd.toString());
+ } else {
+ if (!(cn.getSymbol().equals(TypeUtil.ObjectClass)||
+ cn.getSymbol().equals(TypeUtil.TagClass)))
+ cn.setSuper(TypeUtil.ObjectClass);
+ }
+ cn.setModifiers(parseModifiersList(pn.getChild("modifiers")));
+ parseClassBody(cn, pn.getChild("classbody"));
+ return cn;
+ }
+
+ private void parseClassBody(ClassDescriptor cn, ParseNode pn) {
ParseNode decls=pn.getChild("class_body_declaration_list");
if (decls!=null) {
ParseNodeVector pnv=decls.getChildren();
if (isNode(decl,"member")) {
parseClassMember(cn,decl);
} else if (isNode(decl,"constructor")) {
+ parseConstructorDecl(cn,decl.getChild("constructor_declaration"));
} else if (isNode(decl,"block")) {
} else throw new Error();
}
}
}
- private void parseClassMember(ClassNode cn, ParseNode pn) {
+ private void parseClassMember(ClassDescriptor cn, ParseNode pn) {
ParseNode fieldnode=pn.getChild("field");
if (fieldnode!=null) {
}
ParseNode methodnode=pn.getChild("method");
if (methodnode!=null) {
- parseMethodDecl(cn,methodnode);
+ parseMethodDecl(cn,methodnode.getChild("method_declaration"));
+ return;
+ }
+ ParseNode flagnode=pn.getChild("flag");
+ if (flagnode!=null) {
+ parseFlagDecl(cn, flagnode.getChild("flag_declaration"));
return;
}
throw new Error();
private TypeDescriptor parseTypeDescriptor(ParseNode pn) {
ParseNode tn=pn.getChild("type");
+
String type_st=tn.getTerminal();
if(type_st.equals("byte")) {
return state.getTypeDescriptor(TypeDescriptor.BYTE);
} else if(type_st.equals("short")) {
return state.getTypeDescriptor(TypeDescriptor.SHORT);
+ } else if(type_st.equals("boolean")) {
+ return state.getTypeDescriptor(TypeDescriptor.BOOLEAN);
} else if(type_st.equals("int")) {
return state.getTypeDescriptor(TypeDescriptor.INT);
} else if(type_st.equals("long")) {
return state.getTypeDescriptor(TypeDescriptor.DOUBLE);
} else if(type_st.equals("class")) {
ParseNode nn=tn.getChild("class");
- return state.getTypeDescriptor(parseName(nn));
- } else
+ return state.getTypeDescriptor(parseName(nn.getChild("name")));
+ } else if(type_st.equals("array")) {
+ ParseNode nn=tn.getChild("array");
+ TypeDescriptor td=parseTypeDescriptor(nn.getChild("basetype"));
+ Integer numdims=(Integer)nn.getChild("dims").getLiteral();
+ for(int i=0;i<numdims.intValue();i++)
+ td=td.makeArray(state);
+ return td;
+ } else {
throw new Error();
+ }
}
- private NameDescriptor parseName(ParseNode pn) {
- ParseNode nn=pn.getChild("name");
+ private NameDescriptor parseName(ParseNode nn) {
ParseNode base=nn.getChild("base");
ParseNode id=nn.getChild("identifier");
-
if (base==null)
return new NameDescriptor(id.getTerminal());
-
- return new NameDescriptor(parseName(base),id.getTerminal());
+ return new NameDescriptor(parseName(base.getChild("name")),id.getTerminal());
}
- private void parseFieldDecl(ClassNode cn,ParseNode pn) {
+ private void parseFlagDecl(ClassDescriptor cn,ParseNode pn) {
+ String name=pn.getChild("name").getTerminal();
+ FlagDescriptor flag=new FlagDescriptor(name);
+ if (pn.getChild("external")!=null)
+ flag.makeExternal();
+ cn.addFlag(flag);
+ }
+
+ private void parseFieldDecl(ClassDescriptor cn,ParseNode pn) {
ParseNode mn=pn.getChild("modifier");
Modifiers m=parseModifiersList(mn);
+
ParseNode tn=pn.getChild("type");
TypeDescriptor t=parseTypeDescriptor(tn);
ParseNode vn=pn.getChild("variables").getChild("variable_declarators_list");
ParseNodeVector pnv=vn.getChildren();
+ boolean isglobal=pn.getChild("global")!=null;
+
for(int i=0;i<pnv.size();i++) {
ParseNode vardecl=pnv.elementAt(i);
- String identifier=vardecl.getChild("identifier").getChild("single").getTerminal();
+ ParseNode tmp=vardecl;
+ TypeDescriptor arrayt=t;
+ while (tmp.getChild("single")==null) {
+ arrayt=arrayt.makeArray(state);
+ tmp=tmp.getChild("array");
+ }
+ String identifier=tmp.getChild("single").getTerminal();
ParseNode epn=vardecl.getChild("initializer");
-
+
ExpressionNode en=null;
if (epn!=null)
en=parseExpression(epn.getFirstChild());
- cn.addField(new FieldDescriptor(m,t,identifier, en));
+ cn.addField(new FieldDescriptor(m, arrayt, identifier, en, isglobal));
}
-
}
private ExpressionNode parseExpression(ParseNode pn) {
isNode(pn,"comp_lte")||isNode(pn,"comp_gt")||
isNode(pn,"comp_gte")||isNode(pn,"leftshift")||
isNode(pn,"rightshift")||isNode(pn,"sub")||
+ isNode(pn,"urightshift")||isNode(pn,"sub")||
isNode(pn,"add")||isNode(pn,"mult")||
isNode(pn,"div")||isNode(pn,"mod")) {
ParseNodeVector pnv=pn.getChildren();
return new OpNode(parseExpression(left),parseExpression(right),op);
} else if (isNode(pn,"unaryplus")||
isNode(pn,"unaryminus")||
- isNode(pn,"postinc")||
- isNode(pn,"postdec")||
- isNode(pn,"preinc")||
- isNode(pn,"predec")) {
+ isNode(pn,"not")||
+ isNode(pn,"comp")) {
ParseNode left=pn.getFirstChild();
Operation op=new Operation(pn.getLabel());
return new OpNode(parseExpression(left),op);
+ } else if (isNode(pn,"postinc")||
+ isNode(pn,"postdec")) {
+ ParseNode left=pn.getFirstChild();
+ AssignOperation op=new AssignOperation(pn.getLabel());
+ return new AssignmentNode(parseExpression(left),null,op);
+
+ } else if (isNode(pn,"preinc")||
+ isNode(pn,"predec")) {
+ ParseNode left=pn.getFirstChild();
+ AssignOperation op=isNode(pn,"preinc")?new AssignOperation(AssignOperation.PLUSEQ):new AssignOperation(AssignOperation.MINUSEQ);
+ return new AssignmentNode(parseExpression(left),
+ new LiteralNode("integer",new Integer(1)),op);
} else if (isNode(pn,"literal")) {
String literaltype=pn.getTerminal();
ParseNode literalnode=pn.getChild(literaltype);
Object literal_obj=literalnode.getLiteral();
return new LiteralNode(literaltype, literal_obj);
+ } else if (isNode(pn,"createobject")) {
+ TypeDescriptor td=parseTypeDescriptor(pn);
+ Vector args=parseArgumentList(pn);
+ boolean isglobal=pn.getChild("global")!=null;
+ CreateObjectNode con=new CreateObjectNode(td, isglobal);
+ for(int i=0;i<args.size();i++) {
+ con.addArgument((ExpressionNode)args.get(i));
+ }
+ /* Could have flag set or tag added here */
+ if (pn.getChild("flag_list")!=null||pn.getChild("tag_list")!=null) {
+ FlagEffects fe=new FlagEffects(null);
+ if (pn.getChild("flag_list")!=null)
+ parseFlagEffect(fe, pn.getChild("flag_list"));
+
+ if (pn.getChild("tag_list")!=null)
+ parseTagEffect(fe, pn.getChild("tag_list"));
+ con.addFlagEffects(fe);
+ }
+
+ return con;
+ } else if (isNode(pn,"createarray")) {
+ //System.out.println(pn.PPrint(3,true));
+ boolean isglobal=pn.getChild("global")!=null;
+ TypeDescriptor td=parseTypeDescriptor(pn);
+ Vector args=parseDimExprs(pn);
+ int num=0;
+ if (pn.getChild("dims_opt").getLiteral()!=null)
+ num=((Integer)pn.getChild("dims_opt").getLiteral()).intValue();
+ for(int i=0;i<(args.size()+num);i++)
+ td=td.makeArray(state);
+ CreateObjectNode con=new CreateObjectNode(td, isglobal);
+ for(int i=0;i<args.size();i++) {
+ con.addArgument((ExpressionNode)args.get(i));
+ }
+ return con;
+ } else if (isNode(pn,"name")) {
+ NameDescriptor nd=parseName(pn);
+ return new NameNode(nd);
+ } else if (isNode(pn,"this")) {
+ NameDescriptor nd=new NameDescriptor("this");
+ return new NameNode(nd);
+ } else if (isNode(pn,"isavailable")) {
+ NameDescriptor nd=new NameDescriptor(pn.getTerminal());
+ return new OpNode(new NameNode(nd),null,new Operation(Operation.ISAVAILABLE));
+ } else if (isNode(pn,"methodinvoke1")) {
+ NameDescriptor nd=parseName(pn.getChild("name"));
+ Vector args=parseArgumentList(pn);
+ MethodInvokeNode min=new MethodInvokeNode(nd);
+ for(int i=0;i<args.size();i++) {
+ min.addArgument((ExpressionNode)args.get(i));
+ }
+ return min;
+ } else if (isNode(pn,"methodinvoke2")) {
+ String methodid=pn.getChild("id").getTerminal();
+ ExpressionNode exp=parseExpression(pn.getChild("base").getFirstChild());
+ Vector args=parseArgumentList(pn);
+ MethodInvokeNode min=new MethodInvokeNode(methodid,exp);
+ for(int i=0;i<args.size();i++) {
+ min.addArgument((ExpressionNode)args.get(i));
+ }
+ return min;
+ } else if (isNode(pn,"fieldaccess")) {
+ ExpressionNode en=parseExpression(pn.getChild("base").getFirstChild()); String fieldname=pn.getChild("field").getTerminal();
+ return new FieldAccessNode(en,fieldname);
+ } else if (isNode(pn,"arrayaccess")) {
+ ExpressionNode en=parseExpression(pn.getChild("base").getFirstChild());
+ ExpressionNode index=parseExpression(pn.getChild("index").getFirstChild());
+ return new ArrayAccessNode(en,index);
+ } else if (isNode(pn,"cast1")) {
+ return new CastNode(parseTypeDescriptor(pn.getChild("type")),parseExpression(pn.getChild("exp").getFirstChild()));
+ } else if (isNode(pn,"cast2")) {
+ return new CastNode(parseExpression(pn.getChild("type").getFirstChild()),parseExpression(pn.getChild("exp").getFirstChild()));
+ } else {
+ System.out.println("---------------------");
+ System.out.println(pn.PPrint(3,true));
+ throw new Error();
}
- throw new Error();
+ }
+
+ private Vector parseDimExprs(ParseNode pn) {
+ Vector arglist=new Vector();
+ ParseNode an=pn.getChild("dim_exprs");
+ if (an==null) /* No argument list */
+ return arglist;
+ ParseNodeVector anv=an.getChildren();
+ for(int i=0;i<anv.size();i++) {
+ arglist.add(parseExpression(anv.elementAt(i)));
+ }
+ return arglist;
+ }
+
+ private Vector parseArgumentList(ParseNode pn) {
+ Vector arglist=new Vector();
+ ParseNode an=pn.getChild("argument_list");
+ if (an==null) /* No argument list */
+ return arglist;
+ ParseNodeVector anv=an.getChildren();
+ for(int i=0;i<anv.size();i++) {
+ arglist.add(parseExpression(anv.elementAt(i)));
+ }
+ return arglist;
+ }
+
+ private Vector[] parseConsArgumentList(ParseNode pn) {
+ Vector arglist=new Vector();
+ Vector varlist=new Vector();
+ ParseNode an=pn.getChild("cons_argument_list");
+ if (an==null) /* No argument list */
+ return new Vector[] {varlist, arglist};
+ ParseNodeVector anv=an.getChildren();
+ for(int i=0;i<anv.size();i++) {
+ ParseNode cpn=anv.elementAt(i);
+ ParseNode var=cpn.getChild("var");
+ ParseNode exp=cpn.getChild("exp").getFirstChild();
+ varlist.add(var.getTerminal());
+ arglist.add(parseExpression(exp));
+ }
+ return new Vector[] {varlist, arglist};
}
private ExpressionNode parseAssignmentExpression(ParseNode pn) {
- return null;
+ AssignOperation ao=new AssignOperation(pn.getChild("op").getTerminal());
+ ParseNodeVector pnv=pn.getChild("args").getChildren();
+
+ AssignmentNode an=new AssignmentNode(parseExpression(pnv.elementAt(0)),parseExpression(pnv.elementAt(1)),ao);
+ return an;
}
- private void parseMethodDecl(ClassNode cn, ParseNode pn) {
- ParseNode headern=pn.getChild("header");
+ private void parseMethodDecl(ClassDescriptor cn, ParseNode pn) {
+ ParseNode headern=pn.getChild("method_header");
ParseNode bodyn=pn.getChild("body");
MethodDescriptor md=parseMethodHeader(headern);
+ BlockNode bn=parseBlock(bodyn);
+ cn.addMethod(md);
+ state.addTreeCode(md,bn);
+ }
+
+ private void parseConstructorDecl(ClassDescriptor cn, ParseNode pn) {
+ ParseNode mn=pn.getChild("modifiers");
+ Modifiers m=parseModifiersList(mn);
+ ParseNode cdecl=pn.getChild("constructor_declarator");
+ boolean isglobal=cdecl.getChild("global")!=null;
+ String name=cdecl.getChild("name").getChild("identifier").getTerminal();
+ MethodDescriptor md=new MethodDescriptor(m, name, isglobal);
+ ParseNode paramnode=cdecl.getChild("parameters");
+ parseParameterList(md,paramnode);
+ ParseNode bodyn0=pn.getChild("body");
+ ParseNode bodyn=bodyn0.getChild("constructor_body");
+ cn.addMethod(md);
+ BlockNode bn=null;
+ if (bodyn!=null&&bodyn.getChild("block_statement_list")!=null)
+ bn=parseBlock(bodyn);
+ else
+ bn=new BlockNode();
+ if (bodyn!=null&&bodyn.getChild("superinvoke")!=null) {
+ ParseNode sin=bodyn.getChild("superinvoke");
+ NameDescriptor nd=new NameDescriptor("super");
+ Vector args=parseArgumentList(sin);
+ MethodInvokeNode min=new MethodInvokeNode(nd);
+ for(int i=0;i<args.size();i++) {
+ min.addArgument((ExpressionNode)args.get(i));
+ }
+ BlockExpressionNode ben=new BlockExpressionNode(min);
+ bn.addFirstBlockStatement(ben);
+ }
+ state.addTreeCode(md,bn);
+ }
+
+ public BlockNode parseBlock(ParseNode pn) {
+ if (pn==null||isEmpty(pn.getTerminal()))
+ return new BlockNode();
+ ParseNode bsn=pn.getChild("block_statement_list");
+ return parseBlockHelper(bsn);
+ }
+
+ private BlockNode parseBlockHelper(ParseNode pn) {
+ ParseNodeVector pnv=pn.getChildren();
+ BlockNode bn=new BlockNode();
+ for(int i=0;i<pnv.size();i++) {
+ Vector bsv=parseBlockStatement(pnv.elementAt(i));
+ for(int j=0;j<bsv.size();j++) {
+ bn.addBlockStatement((BlockStatementNode)bsv.get(j));
+ }
+ }
+ return bn;
+ }
+
+ public BlockNode parseSingleBlock(ParseNode pn) {
+ BlockNode bn=new BlockNode();
+ Vector bsv=parseBlockStatement(pn);
+ for(int j=0;j<bsv.size();j++) {
+ bn.addBlockStatement((BlockStatementNode)bsv.get(j));
+ }
+ bn.setStyle(BlockNode.NOBRACES);
+ return bn;
+ }
+
+ public Vector parseBlockStatement(ParseNode pn) {
+ Vector blockstatements=new Vector();
+ if (isNode(pn,"tag_declaration")) {
+ String name=pn.getChild("single").getTerminal();
+ String type=pn.getChild("type").getTerminal();
+
+ blockstatements.add(new TagDeclarationNode(name, type));
+ } else if (isNode(pn,"local_variable_declaration")) {
+ TypeDescriptor t=parseTypeDescriptor(pn);
+ ParseNode vn=pn.getChild("variable_declarators_list");
+ ParseNodeVector pnv=vn.getChildren();
+ for(int i=0;i<pnv.size();i++) {
+ ParseNode vardecl=pnv.elementAt(i);
+
+
+ ParseNode tmp=vardecl;
+ TypeDescriptor arrayt=t;
+ while (tmp.getChild("single")==null) {
+ arrayt=arrayt.makeArray(state);
+ tmp=tmp.getChild("array");
+ }
+ String identifier=tmp.getChild("single").getTerminal();
+
+ ParseNode epn=vardecl.getChild("initializer");
+
+
+ ExpressionNode en=null;
+ if (epn!=null)
+ en=parseExpression(epn.getFirstChild());
+
+ blockstatements.add(new DeclarationNode(new VarDescriptor(arrayt, identifier),en));
+ }
+ } else if (isNode(pn,"nop")) {
+ /* Do Nothing */
+ } else if (isNode(pn,"expression")) {
+ blockstatements.add(new BlockExpressionNode(parseExpression(pn.getFirstChild())));
+ } else if (isNode(pn,"ifstatement")) {
+ blockstatements.add(new IfStatementNode(parseExpression(pn.getChild("condition").getFirstChild()),
+ parseSingleBlock(pn.getChild("statement").getFirstChild()),
+ pn.getChild("else_statement")!=null?parseSingleBlock(pn.getChild("else_statement").getFirstChild()):null));
+ } else if (isNode(pn,"taskexit")) {
+ Vector vfe=null;
+ if (pn.getChild("flag_effects_list")!=null)
+ vfe=parseFlags(pn.getChild("flag_effects_list"));
+ Vector ccs=null;
+ if (pn.getChild("cons_checks")!=null)
+ ccs=parseChecks(pn.getChild("cons_checks"));
+
+ blockstatements.add(new TaskExitNode(vfe, ccs));
+ } else if (isNode(pn,"atomic")) {
+ BlockNode bn=parseBlockHelper(pn);
+ blockstatements.add(new AtomicNode(bn));
+ } else if (isNode(pn,"return")) {
+ if (isEmpty(pn.getTerminal()))
+ blockstatements.add(new ReturnNode());
+ else {
+ ExpressionNode en=parseExpression(pn.getFirstChild());
+ blockstatements.add(new ReturnNode(en));
+ }
+ } else if (isNode(pn,"block_statement_list")) {
+ BlockNode bn=parseBlockHelper(pn);
+ blockstatements.add(new SubBlockNode(bn));
+ } else if (isNode(pn,"empty")) {
+ /* nop */
+ } else if (isNode(pn,"statement_expression_list")) {
+ ParseNodeVector pnv=pn.getChildren();
+ BlockNode bn=new BlockNode();
+ for(int i=0;i<pnv.size();i++) {
+ ExpressionNode en=parseExpression(pnv.elementAt(i));
+ blockstatements.add(new BlockExpressionNode(en));
+ }
+ bn.setStyle(BlockNode.EXPRLIST);
+ } else if (isNode(pn,"forstatement")) {
+ BlockNode init=parseSingleBlock(pn.getChild("initializer").getFirstChild());
+ BlockNode update=parseSingleBlock(pn.getChild("update").getFirstChild());
+ ExpressionNode condition=parseExpression(pn.getChild("condition").getFirstChild());
+ BlockNode body=parseSingleBlock(pn.getChild("statement").getFirstChild());
+ blockstatements.add(new LoopNode(init,condition,update,body));
+ } else if (isNode(pn,"whilestatement")) {
+ ExpressionNode condition=parseExpression(pn.getChild("condition").getFirstChild());
+ BlockNode body=parseSingleBlock(pn.getChild("statement").getFirstChild());
+ blockstatements.add(new LoopNode(condition,body,LoopNode.WHILELOOP));
+ } else if (isNode(pn,"dowhilestatement")) {
+ ExpressionNode condition=parseExpression(pn.getChild("condition").getFirstChild());
+ BlockNode body=parseSingleBlock(pn.getChild("statement").getFirstChild());
+ blockstatements.add(new LoopNode(condition,body,LoopNode.DOWHILELOOP));
+ } else {
+ System.out.println("---------------");
+ System.out.println(pn.PPrint(3,true));
+ throw new Error();
+ }
+ return blockstatements;
}
public MethodDescriptor parseMethodHeader(ParseNode pn) {
- ParseNode mn=pn.getChild("modifier");
+ ParseNode mn=pn.getChild("modifiers");
Modifiers m=parseModifiersList(mn);
ParseNode tn=pn.getChild("returntype");
- TypeDescriptor returntype=parseTypeDescriptor(tn);
- MethodDescriptor md=new MethodDescriptor(m, returntype, null);
+ TypeDescriptor returntype;
+ if (tn!=null)
+ returntype=parseTypeDescriptor(tn);
+ else
+ returntype=new TypeDescriptor(TypeDescriptor.VOID);
+
+ ParseNode pmd=pn.getChild("method_declarator");
+ String name=pmd.getChild("name").getTerminal();
+ MethodDescriptor md=new MethodDescriptor(m, returntype, name);
+
+ ParseNode paramnode=pmd.getChild("parameters");
+ parseParameterList(md,paramnode);
return md;
}
+ public void parseParameterList(MethodDescriptor md, ParseNode pn) {
+ ParseNode paramlist=pn.getChild("formal_parameter_list");
+ if (paramlist==null)
+ return;
+ ParseNodeVector pnv=paramlist.getChildren();
+ for(int i=0;i<pnv.size();i++) {
+ ParseNode paramn=pnv.elementAt(i);
+
+ if (isNode(paramn, "tag_parameter")) {
+ String paramname=paramn.getChild("single").getTerminal();
+ TypeDescriptor type=new TypeDescriptor(TypeDescriptor.TAG);
+ md.addTagParameter(type, paramname);
+ } else {
+ TypeDescriptor type=parseTypeDescriptor(paramn);
+
+ ParseNode tmp=paramn;
+ while (tmp.getChild("single")==null) {
+ type=type.makeArray(state);
+ tmp=tmp.getChild("array");
+ }
+ String paramname=tmp.getChild("single").getTerminal();
+
+ md.addParameter(type, paramname);
+ }
+ }
+ }
+
public Modifiers parseModifiersList(ParseNode pn) {
Modifiers m=new Modifiers();
ParseNode modlist=pn.getChild("modifier_list");
ParseNode modn=pnv.elementAt(i);
if (isNode(modn,"public"))
m.addModifier(Modifiers.PUBLIC);
- if (isNode(modn,"protected"))
+ else if (isNode(modn,"protected"))
m.addModifier(Modifiers.PROTECTED);
- if (isNode(modn,"private"))
+ else if (isNode(modn,"private"))
m.addModifier(Modifiers.PRIVATE);
- if (isNode(modn,"static"))
+ else if (isNode(modn,"static"))
m.addModifier(Modifiers.STATIC);
- if (isNode(modn,"final"))
+ else if (isNode(modn,"final"))
m.addModifier(Modifiers.FINAL);
- if (isNode(modn,"native"))
+ else if (isNode(modn,"native"))
m.addModifier(Modifiers.NATIVE);
+ else if (isNode(modn,"synchronized"))
+ m.addModifier(Modifiers.SYNCHRONIZED);
+ else if (isNode(modn,"atomic"))
+ m.addModifier(Modifiers.ATOMIC);
+ else throw new Error("Unrecognized Modifier");
}
}
return m;