// ino.module.LocalOrFieldVar.8637.package package mycompiler.mystatement; // ino.end // ino.module.LocalOrFieldVar.8637.import import java.util.Enumeration; import java.util.Hashtable; import java.util.Vector; import mycompiler.mybytecode.ClassFile; import mycompiler.mybytecode.CodeAttribute; import mycompiler.mybytecode.JVMCode; import mycompiler.myclass.Class; import mycompiler.myclass.UsedId; import mycompiler.myexception.CTypeReconstructionException; import mycompiler.myexception.JVMCodeException; import mycompiler.myexception.SCExcept; import mycompiler.myexception.SCStatementException; import mycompiler.mytype.GenericTypeVar; import mycompiler.mytype.RefType; import mycompiler.mytype.Type; import mycompiler.mytype.TypePlaceholder; import mycompiler.mytypereconstruction.CSupportData; import mycompiler.mytypereconstruction.CTriple; import mycompiler.mytypereconstruction.set.CSubstitutionSet; import mycompiler.mytypereconstruction.set.CTripleSet; import mycompiler.mytypereconstruction.set.CTypeAssumptionSet; import mycompiler.mytypereconstruction.typeassumption.CTypeAssumption; import mycompiler.mytypereconstruction.typeassumptionkey.CInstVarKey; import mycompiler.mytypereconstruction.typeassumptionkey.CLocalVarKey; import org.apache.log4j.Logger; // ino.end import sun.reflect.generics.reflectiveObjects.NotImplementedException; import typinferenz.JavaCodeResult; import typinferenz.SingleConstraint; import typinferenz.ConstraintsSet; import typinferenz.FreshTypeVariable; import typinferenz.ResultSet; import typinferenz.TypeAssumptions; // ino.class.LocalOrFieldVar.25503.declaration public class LocalOrFieldVar extends Expr // ino.end // ino.class.LocalOrFieldVar.25503.body { // ino.attribute.parserlog.25507.declaration protected static Logger parserlog = Logger.getLogger("parser"); // ino.end // ino.method.LocalOrFieldVar.25510.definition public LocalOrFieldVar(int offset, int variableLength) // ino.end // ino.method.LocalOrFieldVar.25510.body { super(offset,variableLength); } // ino.end // ino.method.LocalOrFieldVar.25513.definition public LocalOrFieldVar(String n, int offset) // ino.end // ino.method.LocalOrFieldVar.25513.body { super(offset,n.length()); usedid = new UsedId(offset); usedid.set_Name(n); } // ino.end // ino.method.sc_check.25516.definition public void sc_check(Vector classname, Hashtable ch, Hashtable bh, boolean ext, Hashtable parach, Hashtable parabh) throws SCStatementException // ino.end // ino.method.sc_check.25516.body { Vector typen = new Vector(); SCStatementException except=null; Vector name = usedid.get_Name(); Class klasse = null; Class hilfe = null; String hilfstr; Hashtable parahilf=null; for(Enumeration el = name.elements(); el.hasMoreElements();) { String name1 = (String) el.nextElement(); if(klasse!=null) //hier geht's rein, wenn eine Instanzvariable gefunden wurde { if(!el.hasMoreElements()) //es folgen keine weiteren Strings mehr -> name1 muss der Variablen-Name sein. { this.setType(new Type(klasse.is_member(name1),getOffset())); if(klasse.get_ParaHash().containsKey(name1)) { /* Typ der Klasse ist parametrisierbar, nach Zuweisung schauen */ if(parahilf!=null){ this.setType((Type)parahilf.get(name1)); for(Enumeration e3=parahilf.keys();e3.hasMoreElements();) { // System.out.println("parahilf.typen "+ (String)e3.nextElement()); // System.out.print("+++++++++ "+type.get_Type()+" "); parserlog.debug(string_rec(parahilf)); // System.out.println(); } } } if(this.getType().getName()==null) { SCExcept exc = new SCExcept(); except = new SCStatementException(); exc.set_error("Variable "+name1+" nicht gefunden"); exc.set_statement("LocalOrFieldVar"); except.addException(exc); throw except; } else { typen.addElement(this.getType().getName()); } } else //es folgen Strings -> weitere Klassen m�ssen auf die Variable �berpr�ft werden { this.setType(new Type(klasse.is_member(name1),getOffset())); if( this.getType().getName() == null ) { SCExcept exc=new SCExcept(); except=new SCStatementException(); exc.set_error("Variable "+name1+" nicht gefunden"); exc.set_statement("LocalOrFieldVar"); except.addException(exc); throw except; } else{ typen.addElement(this.getType().getName()); } for(Enumeration el1 = classname.elements();el1.hasMoreElements();){ hilfe=el1.nextElement(); hilfstr=hilfe.getName(); if(this.getType().getName().equals(hilfstr)){ klasse = hilfe; } } } } else if(!el.hasMoreElements()) //es steht nur der Variablenname im Vector name, { //also MUSS die Variable in dieser Klasse deklariert sein if(bh.containsKey(name1)) { this.setType(new Type( (String)bh.get(name1),getOffset())); typen.addElement(this.getType().getName()); if(bh.containsKey(name1)) { // System.out.println("type enthalten in bh: "+name1+ " - " +type.get_Type()); } /************/ if(parabh.containsKey(name1)) { parahilf = (Hashtable) parabh.get(name1); parserlog.debug(string_rec(parahilf)); } } else if(ch.containsKey(name1)) { this.setType(new Type((String)ch.get(name1),getOffset())); typen.addElement(this.getType().getName()); if(ch.contains(this.getType().getName())) { // System.out.println("type enthalten in ch: " + name1 + " - " +type.get_Type()); } if(parach.containsKey(name1)) { parahilf = (Hashtable) parach.get(name1); // System.out.print("parahilf: "); string_rec(parahilf); System.out.println(); } } else { SCExcept exc=new SCExcept(); except=new SCStatementException(); exc.set_error("Variable "+name1+" nicht gefunden"); exc.set_statement("LocalOrFieldVar"); except.addException(exc); throw except; } } else //es folgen Strings im Vector, also handelt es sich um eine Instanzvar. { //wir m�ssen in Blockhash und Classhash nach der zugeh�rigen Klasse suchen. if(bh.containsKey(name1)) { this.setType(new Type((String)bh.get(name1),getOffset())); //Attribut "type" von Basisklasse Expr for(Enumeration el1 = classname.elements();el1.hasMoreElements();) { hilfe = el1.nextElement(); hilfstr = hilfe.getName(); if(this.getType().getName().equals(hilfstr)){ klasse = hilfe;} } typen.addElement(this.getType().getName()); if(bh.containsKey(name1)) parserlog.debug("type enthalten in bh: "+name1+ " - " + this.getType().getName() ); /***********************/ if(parabh.containsKey(name1)){ parahilf = (Hashtable) parabh.get(name1); // System.out.print("parahilf: "); string_rec(parahilf); System.out.println(); } } else if(ch.containsKey(name1)) { this.setType(new Type((String)ch.get(name1),getOffset())); //Attribut "type" von Basisklasse Expr for(Enumeration el1 = classname.elements();el1.hasMoreElements();) { hilfe = el1.nextElement(); hilfstr = hilfe.getName(); parserlog.debug(this.getType().getName()+" ********* "+hilfstr); if(this.getType().getName().equals(hilfstr)){ klasse = hilfe;} } typen.addElement(this.getType().getName()); if(ch.containsKey(name1)) { // System.out.println("type enthalten in ch: "+name1+ " - " +type.get_Type()); } /*****************/ if(parach.containsKey(name1)){ parahilf = (Hashtable) parach.get(name1); // System.out.print("parahilf: "); string_rec(parahilf); System.out.println(); } } else { SCExcept exc=new SCExcept(); except=new SCStatementException(); exc.set_error("Variable "+name1+" nicht gefunden"); exc.set_statement("LocalOrFieldVar"); except.addException(exc); throw except; } } } usedid.set_Typen(typen); parserlog.debug("SC -> Semantik-Check in LocalOrFieldVar erfolgreich!"); } // ino.end // ino.method.set_UsedId.25519.definition public void set_UsedId(UsedId u) // ino.end // ino.method.set_UsedId.25519.body { this.usedid=u; } // ino.end // ino.method.get_Name.25522.definition public String get_Name() // ino.end // ino.method.get_Name.25522.body { return usedid.get_Name_1Element(); } // ino.end // ino.method.codegen.25525.definition public void codegen(ClassFile classfile, CodeAttribute code, Vector paralist) throws JVMCodeException // ino.end // ino.method.codegen.25525.body { Vector name_vector = get_Name_Vector(); Vector type_vector = get_Type_Vector(); String local_name = null; String class_name = null; String type = null; for(int i=0; i < name_vector.size(); i++) { local_name = (String)name_vector.elementAt(i); try {// TEST SCJU. ArrayIndexoutofBounds umgehen! type = JVMCode.get_codegen_Type((String)type_vector.elementAt(i), paralist); } catch (Throwable e) {type = null; } int index = code.get_indexOf_Var(local_name); if(index != -1) { // LocalVar try { String local_type = code.get_TypeOf_Var(local_name).getName(); code.add_code(JVMCode.nload_n(local_type, index)); } catch(JVMCodeException e) { // out of nstore_n String local_type = code.get_TypeOf_Var(local_name).getName(); code.add_code(JVMCode.nload(local_type)); code.add_code_byte((byte)index); } } else { // FieldVar code.add_code(JVMCode.aload_0); code.add_code(JVMCode.getfield); code.add_code_short(classfile.add_field_ref(local_name, class_name, type)); } try { // TEST SCJU. ArrayIndexoutofBounds umgehen! class_name = (String)type_vector.elementAt(i); } catch (Throwable e) { } } // Falls noetig, Unboxing auf primitiven Typ! if (this.getTypeVariable() instanceof RefType) { RefType rt = (RefType) this.getTypeVariable(); if (! rt.getPrimitiveFlag()) return; if (rt.getName().equalsIgnoreCase("java.lang.Integer")) { // Int Unboxen code.add_code(JVMCode.invokevirtual); code.add_code_short(classfile.add_method_ref("java/lang/Integer", "intValue", "()I")); } } } // ino.end // ino.method.TRExp.25528.defdescription type=javadoc /** * Implementierung des Algorithmus 5.37 von Martin Pl�micke *
Author: J�rg B�uerle * @param sigma * @param V * @param supportData * @return */ // ino.end // ino.method.TRExp.25528.definition public CTripleSet TRExp(CSubstitutionSet sigma, CTypeAssumptionSet V, CSupportData supportData) // ino.end // ino.method.TRExp.25528.body { CTypeAssumption assum = null; // -------------------------- // Lokale Variable aufsteigend // in den Bl�cken suchen: // -------------------------- for(int depth=supportData.getCurrentBlockDepth(); assum==null && depth>0; depth--){ CLocalVarKey localKey = new CLocalVarKey( supportData.getCurrentClass(), supportData.getCurrentMethod(), supportData.getCurrentMethodParaCount(), supportData.getCurrentMethodOverloadedID(), supportData.getBlockId(depth), this.get_Name()); assum = V.getElement(localKey); } // -------------------------- // Falls keine gefunden, Feldvariable suchen: // -------------------------- if(assum==null){ CInstVarKey instKey = new CInstVarKey( supportData.getCurrentClass(), this.get_Name()); assum = V.getElement(instKey); } //-------------------------- // Falls nichts gefunden: // -------------------------- if(assum==null){ //-------------------------- // 15.04.2007 feda // Wenn nichts gefunden dann neuen Typ anlegen. Verdacht auf Klassenmethode mit static //-------------------------- CTripleSet retSet = new CTripleSet(); retSet.addElement(new CTriple(sigma, new RefType(this.get_Name(),this.getOffset()) , V)); CTripleSet retSet2 = super.registerType(retSet, supportData); return retSet2; }else{ //-------------------------- // Ergebnismenge bauen: // -------------------------- CTripleSet retSet = new CTripleSet(); retSet.addElement(new CTriple(sigma, assum.getAssumedType(), V)); CTripleSet retSet2 = super.registerType(retSet, supportData); return retSet2; } } // ino.end // ino.method.TRStatement.25531.definition public CTripleSet TRStatement(CSubstitutionSet sigma, CTypeAssumptionSet V, CSupportData supportData) // ino.end // ino.method.TRStatement.25531.body { throw CTypeReconstructionException.createNotImplementedException(); } // ino.end // ino.method.toString.25534.defdescription type=javadoc /** *
Author: Martin Pl�micke * @return */ // ino.end // ino.method.toString.25534.definition public String toString() // ino.end // ino.method.toString.25534.body { if(getTypeVariable()==null)return usedid.toString(); return usedid.toString() + ": " + getTypeVariable().toString(); } // ino.end // ino.method.wandleRefTypeAttributes2GenericAttributes.25537.definition public void wandleRefTypeAttributes2GenericAttributes(Vector paralist, Vector genericMethodParameters) // ino.end // ino.method.wandleRefTypeAttributes2GenericAttributes.25537.body { } // ino.end public void addOffsetsToExpression(CTypeAssumption localAssumption,String NameVariable,boolean isMemberVariable) { if(this.get_UsedId().get_Name_1Element().equals(NameVariable)) { //wenn Variable mit gleichem Namen gefunden->schreibe Offset localAssumption.addOffset(this.get_UsedId().getOffset()); } } @Override public ConstraintsSet TYPEExpr(TypeAssumptions assumptions) { ConstraintsSet ret = new ConstraintsSet(); //gibt es eine Assumption für den die LocalOrFieldVar-Variablen, dann folgendes ausführen: Type thisTypeAssumption = assumptions.getVarType(this.get_Name()); this.setTypeVariable(thisTypeAssumption); //ret.add(new Constraint(thisTypeAssumption, this.getTypeVariable())); return ret; } public String getTypeInformation(){ return this.getTypeVariable()+" "+this.get_Name(); } @Override public JavaCodeResult printJavaCode(ResultSet resultSet) { return new JavaCodeResult(this.get_Name()); } } // ino.end