package IR.Tree;
import IR.*;
+import Util.Lattice;
import java.util.*;
-
public class BuildIR {
- State state;
- public BuildIR(State state) {
- this.state=state;
- }
- public void buildtree() {
- for(Iterator it=state.parsetrees.iterator();it.hasNext();) {
- ParseNode pn=(ParseNode)it.next();
- parseFile(pn);
- }
- }
+ State state;
- /** Parse the classes in this file */
- public void parseFile(ParseNode pn) {
- ParseNode tpn=pn.getChild("type_declaration_list");
- if (tpn!=null) {
- ParseNodeVector pnv=tpn.getChildren();
- for(int i=0;i<pnv.size();i++) {
- ParseNode type_pn=pnv.elementAt(i);
- if (isEmpty(type_pn)) /* Skip the semicolon */
- continue;
- 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());
- }
- }
- }
+ private int m_taskexitnum;
+
+ public BuildIR(State state) {
+ this.state=state;
+ this.m_taskexitnum = 0;
+ }
+
+ public void buildtree(ParseNode pn, Set toanalyze, String sourcefile) {
+ parseFile(pn, toanalyze,sourcefile);
+
+ // numering the interfaces
+ int if_num = 0;
+ Iterator it_classes = state.getClassSymbolTable().getValueSet().iterator();
+ while(it_classes.hasNext()) {
+ ClassDescriptor cd = (ClassDescriptor)it_classes.next();
+ if(cd.isInterface()) {
+ cd.setInterfaceId(if_num++);
+ }
}
+ }
- 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);
- parseFlagEffect(fe, pn.getChild("flag_list"));
- return fe;
- } else throw new Error();
- }
-
- 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");
+ Vector singleimports;
+ Vector multiimports;
+ NameDescriptor packages;
+
+ /** Parse the classes in this file */
+ public void parseFile(ParseNode pn, Set toanalyze,String sourcefile) {
+ singleimports=new 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"));
+ // TODO need to implement
+ if (isNode(pnimport,"import_single"))
+ singleimports.add(nd);
+ else
+ multiimports.add(nd);
+ }
+ }
+ ParseNode ppn=pn.getChild("packages").getChild("package");
+ if (ppn!=null) {
+ // TODO need to implement
+ packages=parseName(ppn.getChild("name"));
+ }
+ ParseNode tpn=pn.getChild("type_declaration_list");
+ if (tpn!=null) {
+ ParseNodeVector pnv=tpn.getChildren();
+ for(int i=0; i<pnv.size(); i++) {
+ ParseNode type_pn=pnv.elementAt(i);
+ if (isEmpty(type_pn)) /* Skip the semicolon */
+ continue;
+ if (isNode(type_pn,"class_declaration")) {
+ ClassDescriptor cn=parseTypeDecl(type_pn);
+ cn.setSourceFileName(sourcefile);
+ parseInitializers(cn);
+ if (toanalyze!=null)
+ toanalyze.add(cn);
+ state.addClass(cn);
+ // for inner classes/enum
+ HashSet tovisit = new HashSet();
+ Iterator it_icds = cn.getInnerClasses();
+ while(it_icds.hasNext()) {
+ tovisit.add(it_icds.next());
+ }
+
+ while(!tovisit.isEmpty()) {
+ ClassDescriptor cd = (ClassDescriptor)tovisit.iterator().next();
+ tovisit.remove(cd);
+ parseInitializers(cd);
+ if(toanalyze != null) {
+ toanalyze.add(cd);
}
- String name=pn2.getTerminal();
- fes.addEffect(new FlagEffect(name,status));
+ cd.setSourceFileName(sourcefile);
+ state.addClass(cd);
+
+ Iterator it_ics = cd.getInnerClasses();
+ while(it_ics.hasNext()) {
+ tovisit.add(it_ics.next());
+ }
+
+ Iterator it_ienums = cd.getEnum();
+ while(it_ienums.hasNext()) {
+ ClassDescriptor iecd = (ClassDescriptor)it_ienums.next();
+ if(toanalyze != null) {
+ toanalyze.add(iecd);
+ }
+ iecd.setSourceFileName(sourcefile);
+ state.addClass(iecd);
+ }
+ }
+
+ Iterator it_enums = cn.getEnum();
+ while(it_enums.hasNext()) {
+ ClassDescriptor ecd = (ClassDescriptor)it_enums.next();
+ if(toanalyze != null) {
+ toanalyze.add(ecd);
+ }
+ ecd.setSourceFileName(sourcefile);
+ state.addClass(ecd);
+ }
+ } else if (isNode(type_pn,"task_declaration")) {
+ TaskDescriptor td=parseTaskDecl(type_pn);
+ if (toanalyze!=null)
+ toanalyze.add(td);
+ state.addTask(td);
+ } else if (isNode(type_pn,"interface_declaration")) {
+ // TODO add version for normal Java later
+ ClassDescriptor cn = parseInterfaceDecl(type_pn);
+ if (toanalyze!=null)
+ toanalyze.add(cn);
+ cn.setSourceFileName(sourcefile);
+ state.addClass(cn);
+
+ // for enum
+ Iterator it_enums = cn.getEnum();
+ while(it_enums.hasNext()) {
+ ClassDescriptor ecd = (ClassDescriptor)it_enums.next();
+ if(toanalyze != null) {
+ toanalyze.add(ecd);
+ }
+ ecd.setSourceFileName(sourcefile);
+ state.addClass(ecd);
+ }
+ } else if (isNode(type_pn,"enum_declaration")) {
+ // TODO add version for normal Java later
+ ClassDescriptor cn = parseEnumDecl(null, type_pn);
+ if (toanalyze!=null)
+ toanalyze.add(cn);
+ cn.setSourceFileName(sourcefile);
+ state.addClass(cn);
+ } else {
+ throw new Error(type_pn.getLabel());
}
+ }
}
+ }
- public FlagExpressionNode parseFlagExpression(ParseNode pn) {
- if (pn.getChild("or")!=null) {
- ParseNodeVector pnv=pn.getChild("or").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 (pn.getChild("and")!=null) {
- ParseNodeVector pnv=pn.getChild("and").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 (pn.getChild("not")!=null) {
- ParseNodeVector pnv=pn.getChild("not").getChildren();
- ParseNode left=pnv.elementAt(0);
- return new FlagOpNode(parseFlagExpression(left), new Operation(Operation.LOGIC_NOT));
-
- } else if (pn.getChild("name")!=null) {
- return new FlagNode(pn.getChild("name").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);
+ public void parseInitializers(ClassDescriptor cn){
+ Vector fv=cn.getFieldVec();
+ int pos = 0;
+ for(int i=0;i<fv.size();i++) {
+ FieldDescriptor fd=(FieldDescriptor)fv.get(i);
+ if(fd.getExpressionNode()!=null) {
+ Iterator methodit = cn.getMethods();
+ while(methodit.hasNext()){
+ MethodDescriptor currmd=(MethodDescriptor)methodit.next();
+ if(currmd.isConstructor()){
+ BlockNode bn=state.getMethodBody(currmd);
+ NameNode nn=new NameNode(new NameDescriptor(fd.getSymbol()));
+ AssignmentNode an=new AssignmentNode(nn,fd.getExpressionNode(),new AssignOperation(1));
+ bn.addBlockStatementAt(new BlockExpressionNode(an), pos);
+ }
}
- return ccs;
+ pos++;
+ }
+ }
+ }
+
+ private ClassDescriptor parseEnumDecl(ClassDescriptor cn, ParseNode pn) {
+ ClassDescriptor ecd=new ClassDescriptor(pn.getChild("name").getTerminal(), false);
+ ecd.setAsEnum();
+ if(cn != null) {
+ ecd.setSurroundingClass(cn.getSymbol());
+ ecd.setSurrounding(cn);
+ cn.addEnum(ecd);
+ }
+ if (!(ecd.getSymbol().equals(TypeUtil.ObjectClass)||
+ ecd.getSymbol().equals(TypeUtil.TagClass))) {
+ ecd.setSuper(TypeUtil.ObjectClass);
+ }
+ ecd.setModifiers(parseModifiersList(pn.getChild("modifiers")));
+ parseEnumBody(ecd, pn.getChild("enumbody"));
+ return ecd;
+ }
+
+ private void parseEnumBody(ClassDescriptor cn, ParseNode pn) {
+ ParseNode decls=pn.getChild("enum_constants_list");
+ if (decls!=null) {
+ ParseNodeVector pnv=decls.getChildren();
+ for(int i=0; i<pnv.size(); i++) {
+ ParseNode decl=pnv.elementAt(i);
+ if (isNode(decl,"enum_constant")) {
+ parseEnumConstant(cn,decl);
+ } else throw new Error();
+ }
+ }
+ }
+
+ private void parseEnumConstant(ClassDescriptor cn, ParseNode pn) {
+ cn.addEnumConstant(pn.getChild("name").getTerminal());
+ }
+
+ public ClassDescriptor parseInterfaceDecl(ParseNode pn) {
+ ClassDescriptor cn=new ClassDescriptor(pn.getChild("name").getTerminal(), true);
+ //cn.setAsInterface();
+ if (!isEmpty(pn.getChild("superIF").getTerminal())) {
+ /* parse inherited interface name */
+ ParseNode snlist=pn.getChild("superIF").getChild("extend_interface_list");
+ ParseNodeVector pnv=snlist.getChildren();
+ for(int i=0; i<pnv.size(); i++) {
+ ParseNode decl=pnv.elementAt(i);
+ if (isNode(decl,"type")) {
+ NameDescriptor nd=parseName(decl.getChild("class").getChild("name"));
+ cn.addSuperInterface(nd.toString());
+ }
+ }
+ }
+ cn.setModifiers(parseModifiersList(pn.getChild("modifiers")));
+ parseInterfaceBody(cn, pn.getChild("interfacebody"));
+ return cn;
+ }
+
+ private void parseInterfaceBody(ClassDescriptor cn, ParseNode pn) {
+ assert(cn.isInterface());
+ ParseNode decls=pn.getChild("interface_member_declaration_list");
+ if (decls!=null) {
+ ParseNodeVector pnv=decls.getChildren();
+ for(int i=0; i<pnv.size(); i++) {
+ ParseNode decl=pnv.elementAt(i);
+ if (isNode(decl,"constant")) {
+ parseInterfaceConstant(cn,decl);
+ } else if (isNode(decl,"method")) {
+ parseInterfaceMethod(cn,decl.getChild("method_declaration"));
+ } else throw new Error();
+ }
+ }
+ }
+
+ private void parseInterfaceConstant(ClassDescriptor cn, ParseNode pn) {
+ if (pn!=null) {
+ parseFieldDecl(cn,pn.getChild("field_declaration"));
+ return;
}
+ throw new Error();
+ }
+
+ private void parseInterfaceMethod(ClassDescriptor cn, ParseNode pn) {
+ ParseNode headern=pn.getChild("header");
+ ParseNode bodyn=pn.getChild("body");
+ MethodDescriptor md=parseMethodHeader(headern.getChild("method_header"));
+ md.getModifiers().addModifier(Modifiers.PUBLIC);
+ md.getModifiers().addModifier(Modifiers.ABSTRACT);
+ try {
+ BlockNode bn=parseBlock(bodyn);
+ cn.addMethod(md);
+ state.addTreeCode(md,bn);
- 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));
- }
- return cc;
- } else throw new Error();
- }
-
- public void parseParameterList(TaskDescriptor td, ParseNode pn) {
- 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);
- 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();
- FlagExpressionNode fen=parseFlagExpression(paramn.getChild("flag"));
-
- td.addParameter(type,paramname,fen);
- }
- }
-
- 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.setSuper(TypeUtil.ObjectClass);
- }
- cn.setModifiers(parseModifiersList(pn.getChild("modifiers")));
- parseClassBody(cn, pn.getChild("classbody"));
- return cn;
+ // this is a hack for investigating new language features
+ // at the AST level, someday should evolve into a nice compiler
+ // option *wink*
+ //if( cn.getSymbol().equals( ***put a class in here like: "Test" ) &&
+ // md.getSymbol().equals( ***put your method in here like: "main" )
+ //) {
+ // bn.setStyle( BlockNode.NORMAL );
+ // System.out.println( bn.printNode( 0 ) );
+ //}
+
+ } catch (Exception e) {
+ System.out.println("Error with method:"+md.getSymbol());
+ e.printStackTrace();
+ throw new Error();
+ } catch (Error e) {
+ System.out.println("Error with method:"+md.getSymbol());
+ e.printStackTrace();
+ throw new Error();
}
+ }
- private void parseClassBody(ClassDescriptor cn, ParseNode pn) {
- ParseNode decls=pn.getChild("class_body_declaration_list");
- if (decls!=null) {
- ParseNodeVector pnv=decls.getChildren();
- for(int i=0;i<pnv.size();i++) {
- ParseNode decl=pnv.elementAt(i);
- 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();
- }
- }
+ 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;
+ }
- private void parseClassMember(ClassDescriptor cn, ParseNode pn) {
- ParseNode fieldnode=pn.getChild("field");
+ 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();
+ }
- if (fieldnode!=null) {
- parseFieldDecl(cn,fieldnode.getChild("field_declaration"));
- return;
- }
- ParseNode methodnode=pn.getChild("method");
- if (methodnode!=null) {
- 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();
+ 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));
}
+ }
- 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.LONG);
- } else if(type_st.equals("char")) {
- return state.getTypeDescriptor(TypeDescriptor.CHAR);
- } else if(type_st.equals("float")) {
- return state.getTypeDescriptor(TypeDescriptor.FLOAT);
- } else if(type_st.equals("double")) {
- return state.getTypeDescriptor(TypeDescriptor.DOUBLE);
- } else if(type_st.equals("class")) {
- ParseNode nn=tn.getChild("class");
- 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();
- }
+ 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));
}
+ }
- 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.getChild("name")),id.getTerminal());
-
+ 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();
}
+ }
- 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);
+ 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;
+ }
- private void parseFieldDecl(ClassDescriptor cn,ParseNode pn) {
- ParseNode mn=pn.getChild("modifier");
- Modifiers m=parseModifiersList(mn);
+ 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));
+ }
+ return cc;
+ } else throw new Error();
+ }
- ParseNode tn=pn.getChild("type");
- TypeDescriptor t=parseTypeDescriptor(tn);
- ParseNode vn=pn.getChild("variables").getChild("variable_declarators_list");
- ParseNodeVector pnv=vn.getChildren();
- for(int i=0;i<pnv.size();i++) {
- ParseNode vardecl=pnv.elementAt(i);
+ public void parseParameterList(TaskDescriptor td, ParseNode pn) {
-
- 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();
+ 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");}
- ParseNode epn=vardecl.getChild("initializer");
-
- ExpressionNode en=null;
- if (epn!=null)
- en=parseExpression(epn.getFirstChild());
-
- cn.addField(new FieldDescriptor(m,arrayt,identifier, en));
- }
-
+ 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);
}
+ }
- private ExpressionNode parseExpression(ParseNode pn) {
- if (isNode(pn,"assignment"))
- return parseAssignmentExpression(pn);
- else if (isNode(pn,"logical_or")||isNode(pn,"logical_and")||
- isNode(pn,"bitwise_or")||isNode(pn,"bitwise_xor")||
- isNode(pn,"bitwise_and")||isNode(pn,"equal")||
- isNode(pn,"not_equal")||isNode(pn,"comp_lt")||
- isNode(pn,"comp_lte")||isNode(pn,"comp_gt")||
- isNode(pn,"comp_gte")||isNode(pn,"leftshift")||
- isNode(pn,"rightshift")||isNode(pn,"sub")||
- isNode(pn,"add")||isNode(pn,"mult")||
- isNode(pn,"div")||isNode(pn,"mod")) {
- ParseNodeVector pnv=pn.getChildren();
- ParseNode left=pnv.elementAt(0);
- ParseNode right=pnv.elementAt(1);
- Operation op=new Operation(pn.getLabel());
- return new OpNode(parseExpression(left),parseExpression(right),op);
- } else if (isNode(pn,"unaryplus")||
- isNode(pn,"unaryminus")||
- isNode(pn,"not")) {
- 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);
- CreateObjectNode con=new CreateObjectNode(td);
- for(int i=0;i<args.size();i++) {
- con.addArgument((ExpressionNode)args.get(i));
- }
- /* Could have flag set here */
- if (pn.getChild("flag_list")!=null) {
- FlagEffects fe=new FlagEffects(null);
- parseFlagEffect(fe, pn.getChild("flag_list"));
- con.addFlagEffects(fe);
- }
- return con;
- } else if (isNode(pn,"createarray")) {
- System.out.println(pn.PPrint(3,true));
- 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);
- 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,"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();
- }
+ 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;
+ }
- 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;
+ public ClassDescriptor parseTypeDecl(ParseNode pn) {
+ ClassDescriptor cn=new ClassDescriptor(pn.getChild("name").getTerminal(), false);
+ 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);
}
+ // check inherited interfaces
+ if (!isEmpty(pn.getChild("superIF").getTerminal())) {
+ /* parse inherited interface name */
+ ParseNode snlist=pn.getChild("superIF").getChild("interface_type_list");
+ ParseNodeVector pnv=snlist.getChildren();
+ for(int i=0; i<pnv.size(); i++) {
+ ParseNode decl=pnv.elementAt(i);
+ if (isNode(decl,"type")) {
+ NameDescriptor nd=parseName(decl.getChild("class").getChild("name"));
+ cn.addSuperInterface(nd.toString());
+ }
+ }
+ }
+ cn.setModifiers(parseModifiersList(pn.getChild("modifiers")));
+ parseClassBody(cn, pn.getChild("classbody"));
+
+ boolean hasConstructor = false;
+ for(Iterator method_it=cn.getMethods(); method_it.hasNext();) {
+ MethodDescriptor md=(MethodDescriptor)method_it.next();
+ hasConstructor |= md.isConstructor();
+ }
+ if((!hasConstructor) && (!cn.isEnum())) {
+ // add a default constructor for this class
+ MethodDescriptor md = new MethodDescriptor(new Modifiers(Modifiers.PUBLIC),
+ cn.getSymbol(), false);
+ BlockNode bn=new BlockNode();
+ state.addTreeCode(md,bn);
+ md.setDefaultConstructor();
+ cn.addMethod(md);
+ }
+ return cn;
+ }
- 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 void parseClassBody(ClassDescriptor cn, ParseNode pn) {
+ ParseNode decls=pn.getChild("class_body_declaration_list");
+ if (decls!=null) {
+ ParseNodeVector pnv=decls.getChildren();
+ for(int i=0; i<pnv.size(); i++) {
+ ParseNode decl=pnv.elementAt(i);
+ if (isNode(decl,"member")) {
+ parseClassMember(cn,decl);
+ } else if (isNode(decl,"constructor")) {
+ parseConstructorDecl(cn,decl.getChild("constructor_declaration"));
+ } else if (isNode(decl, "static_block")) {
+ parseStaticBlockDecl(cn, decl.getChild("static_block_declaration"));
+ } else if (isNode(decl,"block")) {
+ } else if (isNode(decl,"location_order_declaration")) {
+ parseLocationOrder(cn,decl.getChild("location_order_list"));
+ } else throw new Error();
+ }
+ }
+ }
+
+ private void parseLocationOrder(ClassDescriptor cd, ParseNode pn) {
+ ParseNodeVector pnv = pn.getChildren();
+ Lattice<String> locOrder =
+ new Lattice<String>("_top_","_bottom_");
+ Set<String> spinLocSet=new HashSet<String>();
+ for (int i = 0; i < pnv.size(); i++) {
+ ParseNode loc = pnv.elementAt(i);
+ if(isNode(loc,"location_property")){
+ String spinLoc=loc.getChildren().elementAt(0).getLabel();
+ spinLocSet.add(spinLoc);
+ }else{
+ String lowerLoc=loc.getChildren().elementAt(0).getLabel();
+ String higherLoc= loc.getChildren().elementAt(1).getLabel();
+ locOrder.put(higherLoc, lowerLoc);
+ if (locOrder.isIntroducingCycle(higherLoc)) {
+ throw new Error("Error: the order relation " + lowerLoc + " < " + higherLoc
+ + " introduces a cycle.");
+ }
+ }
+ }
+ if(spinLocSet.size()>0){
+ //checking if location is actually defined in the hierarchy
+ for (Iterator iterator = spinLocSet.iterator(); iterator.hasNext();) {
+ String locID = (String) iterator.next();
+ if(!locOrder.containsKey(locID)){
+ throw new Error("Error: The spinning location '"+
+ locID + "' is not defined in the hierarchy of the class '"+cd +"'.");
+ }
+ }
+ state.addLocationPropertySet(cd, spinLocSet);
+ }
+ state.addLocationOrder(cd, locOrder);
+ }
+
+ private void parseClassMember(ClassDescriptor cn, ParseNode pn) {
+ ParseNode fieldnode=pn.getChild("field");
+ if (fieldnode!=null) {
+ parseFieldDecl(cn,fieldnode.getChild("field_declaration"));
+ return;
+ }
+ ParseNode methodnode=pn.getChild("method");
+ if (methodnode!=null) {
+ parseMethodDecl(cn,methodnode.getChild("method_declaration"));
+ return;
+ }
+ ParseNode innerclassnode=pn.getChild("inner_class_declaration");
+ if (innerclassnode!=null) {
+ parseInnerClassDecl(cn,innerclassnode);
+ return;
+ }
+ ParseNode enumnode=pn.getChild("enum_declaration");
+ if (enumnode!=null) {
+ parseEnumDecl(cn,enumnode);
+ return;
+ }
+ ParseNode flagnode=pn.getChild("flag");
+ if (flagnode!=null) {
+ parseFlagDecl(cn, flagnode.getChild("flag_declaration"));
+ return;
+ }
+ // in case there are empty node
+ ParseNode emptynode=pn.getChild("empty");
+ if(emptynode != null) {
+ return;
}
+ throw new Error();
+ }
+
+ private ClassDescriptor parseInnerClassDecl(ClassDescriptor cn, ParseNode pn) {
+ ClassDescriptor icn=new ClassDescriptor(pn.getChild("name").getTerminal(), false);
+ icn.setAsInnerClass();
+ icn.setSurroundingClass(cn.getSymbol());
+ icn.setSurrounding(cn);
+ cn.addInnerClass(icn);
+ if (!isEmpty(pn.getChild("super").getTerminal())) {
+ /* parse superclass name */
+ ParseNode snn=pn.getChild("super").getChild("type").getChild("class").getChild("name");
+ NameDescriptor nd=parseName(snn);
+ icn.setSuper(nd.toString());
+ } else {
+ if (!(icn.getSymbol().equals(TypeUtil.ObjectClass)||
+ icn.getSymbol().equals(TypeUtil.TagClass)))
+ icn.setSuper(TypeUtil.ObjectClass);
+ }
+ // check inherited interfaces
+ if (!isEmpty(pn.getChild("superIF").getTerminal())) {
+ /* parse inherited interface name */
+ ParseNode snlist=pn.getChild("superIF").getChild("interface_type_list");
+ ParseNodeVector pnv=snlist.getChildren();
+ for(int i=0; i<pnv.size(); i++) {
+ ParseNode decl=pnv.elementAt(i);
+ if (isNode(decl,"type")) {
+ NameDescriptor nd=parseName(decl.getChild("class").getChild("name"));
+ icn.addSuperInterface(nd.toString());
+ }
+ }
+ }
+ icn.setModifiers(parseModifiersList(pn.getChild("modifiers")));
+ if(!icn.isStatic()) {
+ throw new Error("Error: inner class " + icn.getSymbol() + " in Class " +
+ cn.getSymbol() + " is not a nested class and is not supported yet!");
+ }
+ parseClassBody(icn, pn.getChild("classbody"));
+ return icn;
+ }
- private ExpressionNode parseAssignmentExpression(ParseNode pn) {
- 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 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.LONG);
+ } else if(type_st.equals("char")) {
+ return state.getTypeDescriptor(TypeDescriptor.CHAR);
+ } else if(type_st.equals("float")) {
+ return state.getTypeDescriptor(TypeDescriptor.FLOAT);
+ } else if(type_st.equals("double")) {
+ return state.getTypeDescriptor(TypeDescriptor.DOUBLE);
+ } else if(type_st.equals("class")) {
+ ParseNode nn=tn.getChild("class");
+ 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 {
+ System.out.println(pn.PPrint(2, true));
+ throw new Error();
}
+ }
+ 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.getChild("name")),id.getTerminal());
- 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 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);
+ if(cn.isInterface()) {
+ // TODO add version for normal Java later
+ // Can only be PUBLIC or STATIC or FINAL
+ if((m.isAbstract()) || (m.isAtomic()) || (m.isNative())
+ || (m.isSynchronized())) {
+ throw new Error("Error: field in Interface " + cn.getSymbol() + "can only be PUBLIC or STATIC or FINAL");
+ }
+ m.addModifier(Modifiers.PUBLIC);
+ m.addModifier(Modifiers.STATIC);
+ m.addModifier(Modifiers.FINAL);
}
- private void parseConstructorDecl(ClassDescriptor cn, ParseNode pn) {
- ParseNode mn=pn.getChild("modifiers");
- Modifiers m=parseModifiersList(mn);
- ParseNode cdecl=pn.getChild("constructor_declarator");
- String name=cdecl.getChild("name").getChild("identifier").getTerminal();
- MethodDescriptor md=new MethodDescriptor(m, name);
- ParseNode paramnode=cdecl.getChild("parameters");
- parseParameterList(md,paramnode);
- ParseNode bodyn0=pn.getChild("body");
- ParseNode bodyn=bodyn0.getChild("constructor_body");
- cn.addMethod(md);
- BlockNode bn=parseBlock(bodyn);
- state.addTreeCode(md,bn);
+ ParseNode tn=pn.getChild("type");
+ TypeDescriptor t=parseTypeDescriptor(tn);
+ assignAnnotationsToType(m,t);
+ 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);
+ 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());
+ en.setNumLine(epn.getFirstChild().getLine());
+ if(m.isStatic()) {
+ // for static field, the initializer should be considered as a
+ // static block
+ boolean isfirst = false;
+ MethodDescriptor md = (MethodDescriptor)cn.getMethodTable().getFromSameScope("staticblocks");
+ if(md == null) {
+ // the first static block for this class
+ Modifiers m_i=new Modifiers();
+ m_i.addModifier(Modifiers.STATIC);
+ md = new MethodDescriptor(m_i, "staticblocks", false);
+ md.setAsStaticBlock();
+ isfirst = true;
+ }
+ if(isfirst) {
+ cn.addMethod(md);
+ }
+ cn.incStaticBlocks();
+ BlockNode bn=new BlockNode();
+ NameNode nn=new NameNode(new NameDescriptor(identifier));
+ nn.setNumLine(en.getNumLine());
+ AssignmentNode an=new AssignmentNode(nn,en,new AssignOperation(1));
+ an.setNumLine(pn.getLine());
+ bn.addBlockStatement(new BlockExpressionNode(an));
+ if(isfirst) {
+ state.addTreeCode(md,bn);
+ } else {
+ BlockNode obn = state.getMethodBody(md);
+ for(int ii = 0; ii < bn.size(); ii++) {
+ BlockStatementNode bsn = bn.get(ii);
+ obn.addBlockStatement(bsn);
+ }
+ state.addTreeCode(md, obn);
+ bn = null;
+ }
+ en = null;
+ }
+ }
+
+ cn.addField(new FieldDescriptor(m, arrayt, identifier, en, isglobal));
}
+ }
+
+ private void assignAnnotationsToType(Modifiers modifiers, TypeDescriptor type){
+ Vector<AnnotationDescriptor> annotations=modifiers.getAnnotations();
+ for(int i=0; i<annotations.size(); i++) {
+ // it only supports a marker annotation
+ AnnotationDescriptor an=annotations.elementAt(i);
+ type.addAnnotationMarker(an);
+ }
+ }
+
+ int innerCount=0;
+
+ private ExpressionNode parseExpression(ParseNode pn) {
+ if (isNode(pn,"assignment"))
+ return parseAssignmentExpression(pn);
+ else if (isNode(pn,"logical_or")||isNode(pn,"logical_and")||
+ isNode(pn,"bitwise_or")||isNode(pn,"bitwise_xor")||
+ isNode(pn,"bitwise_and")||isNode(pn,"equal")||
+ isNode(pn,"not_equal")||isNode(pn,"comp_lt")||
+ 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();
+ ParseNode left=pnv.elementAt(0);
+ ParseNode right=pnv.elementAt(1);
+ Operation op=new Operation(pn.getLabel());
+ OpNode on=new OpNode(parseExpression(left),parseExpression(right),op);
+ on.setNumLine(pn.getLine());
+ return on;
+ } else if (isNode(pn,"unaryplus")||
+ isNode(pn,"unaryminus")||
+ isNode(pn,"not")||
+ isNode(pn,"comp")) {
+ ParseNode left=pn.getFirstChild();
+ Operation op=new Operation(pn.getLabel());
+ OpNode on=new OpNode(parseExpression(left),op);
+ on.setNumLine(pn.getLine());
+ return on;
+ } else if (isNode(pn,"postinc")||
+ isNode(pn,"postdec")) {
+ ParseNode left=pn.getFirstChild();
+ AssignOperation op=new AssignOperation(pn.getLabel());
+ AssignmentNode an=new AssignmentNode(parseExpression(left),null,op);
+ an.setNumLine(pn.getLine());
+ return an;
+
+ } 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);
+ AssignmentNode an=new AssignmentNode(parseExpression(left),
+ new LiteralNode("integer",new Integer(1)),op);
+ an.setNumLine(pn.getLine());
+ return an;
+ } else if (isNode(pn,"literal")) {
+ String literaltype=pn.getTerminal();
+ ParseNode literalnode=pn.getChild(literaltype);
+ Object literal_obj=literalnode.getLiteral();
+ LiteralNode ln=new LiteralNode(literaltype, literal_obj);
+ ln.setNumLine(pn.getLine());
+ return ln;
+ } else if (isNode(pn,"createobject")) {
+ TypeDescriptor td=parseTypeDescriptor(pn);
+
+ Vector args=parseArgumentList(pn);
+ boolean isglobal=pn.getChild("global")!=null||
+ pn.getChild("scratch")!=null;
+ String disjointId=null;
+ if( pn.getChild("disjoint") != null) {
+ disjointId = pn.getChild("disjoint").getTerminal();
+ }
+ CreateObjectNode con=new CreateObjectNode(td, isglobal, disjointId);
+ con.setNumLine(pn.getLine());
+ 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);
+ }
- public BlockNode parseBlock(ParseNode pn) {
- if (pn==null||isEmpty(pn.getTerminal()))
- return new BlockNode();
- ParseNode bsn=pn.getChild("block_statement_list");
- return parseBlockHelper(bsn);
+ return con;
+ } else if (isNode(pn,"createobjectcls")) {
+ //TODO::: FIX BUG!!! static fields in caller context need to become parameters
+ TypeDescriptor td=parseTypeDescriptor(pn);
+ innerCount++;
+ ClassDescriptor cnnew=new ClassDescriptor(td.getSymbol()+"$"+innerCount, false);
+ cnnew.setSuper(td.getSymbol());
+ parseClassBody(cnnew, pn.getChild("decl").getChild("classbody"));
+ Vector args=parseArgumentList(pn);
+
+ CreateObjectNode con=new CreateObjectNode(td, false, null);
+ con.setNumLine(pn.getLine());
+ for(int i=0; i<args.size(); i++) {
+ con.addArgument((ExpressionNode)args.get(i));
+ }
+
+ return con;
+ } else if (isNode(pn,"createarray")) {
+ //System.out.println(pn.PPrint(3,true));
+ boolean isglobal=pn.getChild("global")!=null||
+ pn.getChild("scratch")!=null;
+ String disjointId=null;
+ if( pn.getChild("disjoint") != null) {
+ disjointId = pn.getChild("disjoint").getTerminal();
+ }
+ 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, disjointId);
+ con.setNumLine(pn.getLine());
+ for(int i=0; i<args.size(); i++) {
+ con.addArgument((ExpressionNode)args.get(i));
+ }
+ return con;
+ } if (isNode(pn,"createarray2")) {
+ TypeDescriptor td=parseTypeDescriptor(pn);
+ int num=0;
+ if (pn.getChild("dims_opt").getLiteral()!=null)
+ num=((Integer)pn.getChild("dims_opt").getLiteral()).intValue();
+ for(int i=0; i<num; i++)
+ td=td.makeArray(state);
+ CreateObjectNode con=new CreateObjectNode(td, false, null);
+ con.setNumLine(pn.getLine());
+ ParseNode ipn = pn.getChild("initializer");
+ Vector initializers=parseVariableInitializerList(ipn);
+ ArrayInitializerNode ain = new ArrayInitializerNode(initializers);
+ ain.setNumLine(pn.getLine());
+ con.addArrayInitializer(ain);
+ return con;
+ } else if (isNode(pn,"name")) {
+ NameDescriptor nd=parseName(pn);
+ NameNode nn=new NameNode(nd);
+ nn.setNumLine(pn.getLine());
+ return nn;
+ } else if (isNode(pn,"this")) {
+ NameDescriptor nd=new NameDescriptor("this");
+ NameNode nn=new NameNode(nd);
+ nn.setNumLine(pn.getLine());
+ return nn;
+ } else if (isNode(pn,"isavailable")) {
+ NameDescriptor nd=new NameDescriptor(pn.getTerminal());
+ NameNode nn=new NameNode(nd);
+ nn.setNumLine(pn.getLine());
+ return new OpNode(nn,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);
+ min.setNumLine(pn.getLine());
+ 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);
+ min.setNumLine(pn.getLine());
+ 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();
+
+ FieldAccessNode fan=new FieldAccessNode(en,fieldname);
+ fan.setNumLine(pn.getLine());
+ return fan;
+ } else if (isNode(pn,"arrayaccess")) {
+ ExpressionNode en=parseExpression(pn.getChild("base").getFirstChild());
+ ExpressionNode index=parseExpression(pn.getChild("index").getFirstChild());
+ ArrayAccessNode aan=new ArrayAccessNode(en,index);
+ aan.setNumLine(pn.getLine());
+ return aan;
+ } else if (isNode(pn,"cast1")) {
+ try {
+ CastNode cn=new CastNode(parseTypeDescriptor(pn.getChild("type")),parseExpression(pn.getChild("exp").getFirstChild()));
+ cn.setNumLine(pn.getLine());
+ return cn;
+ } catch (Exception e) {
+ System.out.println(pn.PPrint(1,true));
+ e.printStackTrace();
+ throw new Error();
+ }
+ } else if (isNode(pn,"cast2")) {
+ CastNode cn=new CastNode(parseExpression(pn.getChild("type").getFirstChild()),parseExpression(pn.getChild("exp").getFirstChild()));
+ cn.setNumLine(pn.getLine());
+ return cn;
+ } else if (isNode(pn, "getoffset")) {
+ TypeDescriptor td=parseTypeDescriptor(pn);
+ String fieldname = pn.getChild("field").getTerminal();
+ //System.out.println("Checking the values of: "+ " td.toString()= " + td.toString()+ " fieldname= " + fieldname);
+ return new OffsetNode(td, fieldname);
+ } else if (isNode(pn, "tert")) {
+
+ TertiaryNode tn=new TertiaryNode(parseExpression(pn.getChild("cond").getFirstChild()),
+ parseExpression(pn.getChild("trueexpr").getFirstChild()),
+ parseExpression(pn.getChild("falseexpr").getFirstChild()) );
+ tn.setNumLine(pn.getLine());
+
+ return tn;
+ } else if (isNode(pn, "instanceof")) {
+ ExpressionNode exp=parseExpression(pn.getChild("exp").getFirstChild());
+ TypeDescriptor t=parseTypeDescriptor(pn);
+ InstanceOfNode ion=new InstanceOfNode(exp,t);
+ ion.setNumLine(pn.getLine());
+ return ion;
+ } else if (isNode(pn, "array_initializer")) {
+ Vector initializers=parseVariableInitializerList(pn);
+ return new ArrayInitializerNode(initializers);
+ } else if (isNode(pn, "class_type")) {
+ TypeDescriptor td=parseTypeDescriptor(pn);
+ ClassTypeNode ctn=new ClassTypeNode(td);
+ ctn.setNumLine(pn.getLine());
+ return ctn;
+ } else if (isNode(pn, "empty")) {
+ return null;
+ } else {
+ System.out.println("---------------------");
+ System.out.println(pn.PPrint(3,true));
+ throw new Error();
}
-
- 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;
+ }
+
+ 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;
+ }
- 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;
+ 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;
+ }
- public Vector parseBlockStatement(ParseNode pn) {
- Vector blockstatements=new Vector();
- 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);
+ 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};
+ }
-
- 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");
-
+ private Vector parseVariableInitializerList(ParseNode pn) {
+ Vector varInitList=new Vector();
+ ParseNode vin=pn.getChild("var_init_list");
+ if (vin==null) /* No argument list */
+ return varInitList;
+ ParseNodeVector vinv=vin.getChildren();
+ for(int i=0; i<vinv.size(); i++) {
+ varInitList.add(parseExpression(vinv.elementAt(i)));
+ }
+ return varInitList;
+ }
- 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,"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;
+ private ExpressionNode parseAssignmentExpression(ParseNode pn) {
+ 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);
+ an.setNumLine(pn.getLine());
+ return an;
+ }
+
+
+ private void parseMethodDecl(ClassDescriptor cn, ParseNode pn) {
+ ParseNode headern=pn.getChild("method_header");
+ ParseNode bodyn=pn.getChild("body");
+ MethodDescriptor md=parseMethodHeader(headern);
+ try {
+ BlockNode bn=parseBlock(bodyn);
+ bn.setNumLine(pn.getLine()); // assume that method header is located at the beginning of method body
+ cn.addMethod(md);
+ state.addTreeCode(md,bn);
+
+ // this is a hack for investigating new language features
+ // at the AST level, someday should evolve into a nice compiler
+ // option *wink*
+ //if( cn.getSymbol().equals( ***put a class in here like: "Test" ) &&
+ // md.getSymbol().equals( ***put your method in here like: "main" )
+ //) {
+ // bn.setStyle( BlockNode.NORMAL );
+ // System.out.println( bn.printNode( 0 ) );
+ //}
+
+ } catch (Exception e) {
+ System.out.println("Error with method:"+md.getSymbol());
+ e.printStackTrace();
+ throw new Error();
+ } catch (Error e) {
+ System.out.println("Error with method:"+md.getSymbol());
+ e.printStackTrace();
+ throw new Error();
}
+ }
- public MethodDescriptor parseMethodHeader(ParseNode pn) {
- ParseNode mn=pn.getChild("modifiers");
- Modifiers m=parseModifiersList(mn);
-
- ParseNode tn=pn.getChild("returntype");
- 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);
- 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");
- if (modlist!=null) {
- ParseNodeVector pnv=modlist.getChildren();
- for(int i=0;i<pnv.size();i++) {
- ParseNode modn=pnv.elementAt(i);
- if (isNode(modn,"public"))
- m.addModifier(Modifiers.PUBLIC);
- if (isNode(modn,"protected"))
- m.addModifier(Modifiers.PROTECTED);
- if (isNode(modn,"private"))
- m.addModifier(Modifiers.PRIVATE);
- if (isNode(modn,"static"))
- m.addModifier(Modifiers.STATIC);
- if (isNode(modn,"final"))
- m.addModifier(Modifiers.FINAL);
- if (isNode(modn,"native"))
- m.addModifier(Modifiers.NATIVE);
- }
- }
- return m;
+ 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);
+ min.setNumLine(sin.getLine());
+ for(int i=0; i<args.size(); i++) {
+ min.addArgument((ExpressionNode)args.get(i));
+ }
+ BlockExpressionNode ben=new BlockExpressionNode(min);
+ bn.addFirstBlockStatement(ben);
+
+ } else if (bodyn!=null&&bodyn.getChild("explconstrinv")!=null) {
+ ParseNode eci=bodyn.getChild("explconstrinv");
+ NameDescriptor nd=new NameDescriptor(cn.getSymbol());
+ Vector args=parseArgumentList(eci);
+ MethodInvokeNode min=new MethodInvokeNode(nd);
+ min.setNumLine(eci.getLine());
+ for(int i=0; i<args.size(); i++) {
+ min.addArgument((ExpressionNode)args.get(i));
+ }
+ BlockExpressionNode ben=new BlockExpressionNode(min);
+ ben.setNumLine(eci.getLine());
+ bn.addFirstBlockStatement(ben);
+ }
+ state.addTreeCode(md,bn);
+ }
+
+ private void parseStaticBlockDecl(ClassDescriptor cn, ParseNode pn) {
+ // Each class maintains one MethodDecscriptor which combines all its
+ // static blocks in their declaration order
+ boolean isfirst = false;
+ MethodDescriptor md = (MethodDescriptor)cn.getMethodTable().getFromSameScope("staticblocks");
+ if(md == null) {
+ // the first static block for this class
+ Modifiers m_i=new Modifiers();
+ m_i.addModifier(Modifiers.STATIC);
+ md = new MethodDescriptor(m_i, "staticblocks", false);
+ md.setAsStaticBlock();
+ isfirst = true;
+ }
+ ParseNode bodyn=pn.getChild("body");
+ if(isfirst) {
+ cn.addMethod(md);
+ }
+ cn.incStaticBlocks();
+ BlockNode bn=null;
+ if (bodyn!=null&&bodyn.getChild("block_statement_list")!=null)
+ bn=parseBlock(bodyn);
+ else
+ bn=new BlockNode();
+ if(isfirst) {
+ state.addTreeCode(md,bn);
+ } else {
+ BlockNode obn = state.getMethodBody(md);
+ for(int i = 0; i < bn.size(); i++) {
+ BlockStatementNode bsn = bn.get(i);
+ obn.addBlockStatement(bsn);
+ }
+ state.addTreeCode(md, obn);
+ bn = null;
}
+ }
- private boolean isNode(ParseNode pn, String label) {
- if (pn.getLabel().equals(label))
- return true;
- else return false;
+ public BlockNode parseBlock(ParseNode pn) {
+ this.m_taskexitnum = 0;
+ 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;
+ }
- private static boolean isEmpty(ParseNode pn) {
- if (pn.getLabel().equals("empty"))
- return true;
- else
- return false;
+ 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;
+ }
- private static boolean isEmpty(String s) {
- if (s.equals("empty"))
- return true;
- else
- return false;
+ public Vector parseSESEBlock(Vector parentbs, ParseNode pn) {
+ ParseNodeVector pnv=pn.getChildren();
+ Vector bv=new Vector();
+ for(int i=0; i<pnv.size(); i++) {
+ bv.addAll(parseBlockStatement(pnv.elementAt(i)));
}
+ return bv;
+ }
+
+ 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();
+
+ TagDeclarationNode tdn=new TagDeclarationNode(name, type);
+ tdn.setNumLine(pn.getLine());
+
+ blockstatements.add(tdn);
+ } else if (isNode(pn,"local_variable_declaration")) {
+
+ ParseNode mn=pn.getChild("modifiers");
+ TypeDescriptor t=parseTypeDescriptor(pn);
+ if(mn!=null){
+ Modifiers m=parseModifiersList(mn);
+ assignAnnotationsToType(m, t);
+ }
+ ParseNode vn=pn.getChild("variable_declarators_list");
+ ParseNodeVector pnv=vn.getChildren();
+ for(int i=0; i<pnv.size(); i++) {
+ ParseNode vardecl=pnv.elementAt(i);
- /** Throw an exception if something is unexpected */
- private void check(ParseNode pn, String label) {
- if (pn == null) {
- throw new Error(pn+ "IE: Expected '" + label + "', got null");
+
+ 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());
+
+ DeclarationNode dn=new DeclarationNode(new VarDescriptor(arrayt, identifier),en);
+ dn.setNumLine(tmp.getLine());
+
+ blockstatements.add(dn);
+ }
+ } else if (isNode(pn,"nop")) {
+ /* Do Nothing */
+ } else if (isNode(pn,"expression")) {
+ BlockExpressionNode ben=new BlockExpressionNode(parseExpression(pn.getFirstChild()));
+ ben.setNumLine(pn.getLine());
+ blockstatements.add(ben);
+ } else if (isNode(pn,"ifstatement")) {
+ IfStatementNode isn=new IfStatementNode(parseExpression(pn.getChild("condition").getFirstChild()),
+ parseSingleBlock(pn.getChild("statement").getFirstChild()),
+ pn.getChild("else_statement")!=null ? parseSingleBlock(pn.getChild("else_statement").getFirstChild()) : null);
+ isn.setNumLine(pn.getLine());
+
+ blockstatements.add(isn);
+ } else if (isNode(pn,"switch_statement")) {
+ // TODO add version for normal Java later
+ SwitchStatementNode ssn=new SwitchStatementNode(parseExpression(pn.getChild("condition").getFirstChild()),
+ parseSingleBlock(pn.getChild("statement").getFirstChild()));
+ ssn.setNumLine(pn.getLine());
+ blockstatements.add(ssn);
+ } else if (isNode(pn,"switch_block_list")) {
+ // TODO add version for normal Java later
+ ParseNodeVector pnv=pn.getChildren();
+ for(int i=0; i<pnv.size(); i++) {
+ ParseNode sblockdecl=pnv.elementAt(i);
+
+ if(isNode(sblockdecl, "switch_block")) {
+ ParseNode lpn=sblockdecl.getChild("switch_labels").getChild("switch_label_list");
+ ParseNodeVector labelv=lpn.getChildren();
+ Vector<SwitchLabelNode> slv = new Vector<SwitchLabelNode>();
+ for(int j=0; j<labelv.size(); j++) {
+ ParseNode labeldecl=labelv.elementAt(j);
+ if(isNode(labeldecl, "switch_label")) {
+ SwitchLabelNode sln=new SwitchLabelNode(parseExpression(labeldecl.getChild("constant_expression").getFirstChild()), false);
+ sln.setNumLine(labeldecl.getLine());
+ slv.addElement(sln);
+ } else if(isNode(labeldecl, "default_switch_label")) {
+ SwitchLabelNode sln=new SwitchLabelNode(null, true);
+ sln.setNumLine(labeldecl.getLine());
+ slv.addElement(sln);
+ }
+ }
+
+ SwitchBlockNode sbn=new SwitchBlockNode(slv,
+ parseSingleBlock(sblockdecl.getChild("switch_statements").getFirstChild()));
+ sbn.setNumLine(sblockdecl.getLine());
+
+ blockstatements.add(sbn);
+
}
- if (! pn.getLabel().equals(label)) {
- throw new Error(pn+ "IE: Expected '" + label + "', got '"+pn.getLabel()+"'");
+ }
+ } else if (isNode(pn, "trycatchstatement")) {
+ // TODO add version for normal Java later
+ // Do not fully support exceptions now. Only make sure that if there are no
+ // exceptions thrown, the execution is right
+ ParseNode tpn = pn.getChild("tryblock").getFirstChild();
+ BlockNode bn=parseBlockHelper(tpn);
+ blockstatements.add(new SubBlockNode(bn));
+
+ ParseNode fbk = pn.getChild("finallyblock");
+ if(fbk != null) {
+ ParseNode fpn = fbk.getFirstChild();
+ BlockNode fbn=parseBlockHelper(fpn);
+ blockstatements.add(new SubBlockNode(fbn));
+ }
+ } else if (isNode(pn, "throwstatement")) {
+ // TODO Simply return here
+ //blockstatements.add(new ReturnNode());
+ } 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"));
+ TaskExitNode ten=new TaskExitNode(vfe, ccs, this.m_taskexitnum++);
+ ten.setNumLine(pn.getLine());
+ blockstatements.add(ten);
+ } else if (isNode(pn,"atomic")) {
+ BlockNode bn=parseBlockHelper(pn);
+ AtomicNode an=new AtomicNode(bn);
+ an.setNumLine(pn.getLine());
+ blockstatements.add(an);
+ } else if (isNode(pn,"synchronized")) {
+ BlockNode bn=parseBlockHelper(pn.getChild("block"));
+ ExpressionNode en=parseExpression(pn.getChild("expr").getFirstChild());
+ SynchronizedNode sn=new SynchronizedNode(en, bn);
+ sn.setNumLine(pn.getLine());
+ blockstatements.add(sn);
+ } else if (isNode(pn,"return")) {
+ if (isEmpty(pn.getTerminal()))
+ blockstatements.add(new ReturnNode());
+ else {
+ ExpressionNode en=parseExpression(pn.getFirstChild());
+ ReturnNode rn=new ReturnNode(en);
+ rn.setNumLine(pn.getLine());
+ blockstatements.add(rn);
+ }
+ } 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());
+ if(condition == null) {
+ // no condition clause, make a 'true' expression as the condition
+ condition = (ExpressionNode)new LiteralNode("boolean", new Boolean(true));
+ }
+ LoopNode ln=new LoopNode(init,condition,update,body);
+ ln.setNumLine(pn.getLine());
+ blockstatements.add(ln);
+ } else if (isNode(pn,"whilestatement")) {
+ ExpressionNode condition=parseExpression(pn.getChild("condition").getFirstChild());
+ BlockNode body=parseSingleBlock(pn.getChild("statement").getFirstChild());
+ if(condition == null) {
+ // no condition clause, make a 'true' expression as the condition
+ condition = (ExpressionNode)new LiteralNode("boolean", new Boolean(true));
+ }
+ 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());
+ if(condition == null) {
+ // no condition clause, make a 'true' expression as the condition
+ condition = (ExpressionNode)new LiteralNode("boolean", new Boolean(true));
+ }
+ blockstatements.add(new LoopNode(condition,body,LoopNode.DOWHILELOOP));
+ } else if (isNode(pn,"sese")) {
+ ParseNode pnID=pn.getChild("identifier");
+ String stID=null;
+ if( pnID != null ) { stID=pnID.getFirstChild().getTerminal(); }
+ SESENode start=new SESENode(stID);
+ start.setNumLine(pn.getLine());
+ SESENode end =new SESENode(stID);
+ start.setEnd( end );
+ end.setStart( start );
+ blockstatements.add(start);
+ blockstatements.addAll(parseSESEBlock(blockstatements,pn.getChild("body").getFirstChild()));
+ blockstatements.add(end);
+ } else if (isNode(pn,"continue")) {
+ ContinueBreakNode cbn=new ContinueBreakNode(false);
+ cbn.setNumLine(pn.getLine());
+ blockstatements.add(cbn);
+ } else if (isNode(pn,"break")) {
+ ContinueBreakNode cbn=new ContinueBreakNode(true);
+ cbn.setNumLine(pn.getLine());
+ blockstatements.add(cbn);
+
+ } else if (isNode(pn,"genreach")) {
+ String graphName = pn.getChild("graphName").getTerminal();
+ blockstatements.add( new GenReachNode( graphName ) );
+
+ } 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("modifiers");
+ Modifiers m=parseModifiersList(mn);
+
+ ParseNode tn=pn.getChild("returntype");
+ 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);
+ if(isNode(paramn, "annotation_parameter")){
+ ParseNode bodynode=paramn.getChild("annotation_body");
+ parseParameterAnnotation(bodynode,type);
+ }
+
+ }
+ }
+ }
+
+ public Modifiers parseModifiersList(ParseNode pn) {
+ Modifiers m=new Modifiers();
+ ParseNode modlist=pn.getChild("modifier_list");
+ if (modlist!=null) {
+ ParseNodeVector pnv=modlist.getChildren();
+ for(int i=0; i<pnv.size(); i++) {
+ ParseNode modn=pnv.elementAt(i);
+ if (isNode(modn,"public"))
+ m.addModifier(Modifiers.PUBLIC);
+ else if (isNode(modn,"protected"))
+ m.addModifier(Modifiers.PROTECTED);
+ else if (isNode(modn,"private"))
+ m.addModifier(Modifiers.PRIVATE);
+ else if (isNode(modn,"static"))
+ m.addModifier(Modifiers.STATIC);
+ else if (isNode(modn,"final"))
+ m.addModifier(Modifiers.FINAL);
+ 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 if (isNode(modn,"abstract"))
+ m.addModifier(Modifiers.ABSTRACT);
+ else if (isNode(modn,"volatile"))
+ m.addModifier(Modifiers.VOLATILE);
+ else if (isNode(modn,"transient"))
+ m.addModifier(Modifiers.TRANSIENT);
+ else if(isNode(modn,"annotation_list"))
+ parseAnnotationList(modn,m);
+ else{
+ throw new Error("Unrecognized Modifier:"+modn.getLabel());}
+ }
+ }
+ return m;
+ }
+
+ private void parseAnnotationList(ParseNode pn, Modifiers m) {
+ ParseNodeVector pnv = pn.getChildren();
+ for (int i = 0; i < pnv.size(); i++) {
+ ParseNode body_list = pnv.elementAt(i);
+ if (isNode(body_list, "annotation_body")) {
+ ParseNode body_node = body_list.getFirstChild();
+ if (isNode(body_node, "marker_annotation")) {
+ m.addAnnotation(new AnnotationDescriptor(body_node.getChild("name").getTerminal()));
+ } else if (isNode(body_node, "single_annotation")) {
+ m.addAnnotation(new AnnotationDescriptor(body_node.getChild("name").getTerminal(),
+ body_node.getChild("element_value").getTerminal()));
+ } else if (isNode(body_node, "normal_annotation")) {
+ throw new Error("Annotation with multiple data members is not supported yet.");
}
+ }
+ }
+ }
+
+ private void parseParameterAnnotation(ParseNode body_list,TypeDescriptor type){
+ ParseNode body_node = body_list.getFirstChild();
+ if (isNode(body_node, "marker_annotation")) {
+ type.addAnnotationMarker(new AnnotationDescriptor(body_node.getChild("name").getTerminal()));
+ } else if (isNode(body_node, "single_annotation")) {
+ type.addAnnotationMarker(new AnnotationDescriptor(body_node.getChild("name").getTerminal(),
+ body_node.getChild("element_value").getTerminal()));
+ } else if (isNode(body_node, "normal_annotation")) {
+ throw new Error("Annotation with multiple data members is not supported yet.");
+ }
+ }
+
+ private boolean isNode(ParseNode pn, String label) {
+ if (pn.getLabel().equals(label))
+ return true;
+ else return false;
+ }
+
+ private static boolean isEmpty(ParseNode pn) {
+ if (pn.getLabel().equals("empty"))
+ return true;
+ else
+ return false;
+ }
+
+ private static boolean isEmpty(String s) {
+ if (s.equals("empty"))
+ return true;
+ else
+ return false;
+ }
+
+ /** Throw an exception if something is unexpected */
+ private void check(ParseNode pn, String label) {
+ if (pn == null) {
+ throw new Error(pn+ "IE: Expected '" + label + "', got null");
+ }
+ if (!pn.getLabel().equals(label)) {
+ throw new Error(pn+ "IE: Expected '" + label + "', got '"+pn.getLabel()+"'");
}
+ }
}
projects / IRC.git / blobdiff