FunVoidN einführen
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@ -38,6 +38,7 @@ import de.dhbwstuttgart.syntaxtree.type.Type;
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import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
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import de.dhbwstuttgart.typeinference.ByteCodeResult;
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import de.dhbwstuttgart.typeinference.FunNInterface;
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import de.dhbwstuttgart.typeinference.FunVoidNInterface;
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import de.dhbwstuttgart.typeinference.Pair;
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import de.dhbwstuttgart.typeinference.ResultSet;
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import de.dhbwstuttgart.typeinference.TypeinferenceResultSet;
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@ -550,6 +551,10 @@ public class MyCompiler implements MyCompilerAPI
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FunNInterface funN = new FunNInterface(i);
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ret.add(funN.getPublicFieldAssumptions());
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}
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for(int i = 0; i<6; i++){
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FunVoidNInterface funN = new FunVoidNInterface(i);
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ret.add(funN.getPublicFieldAssumptions());
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}
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return ret;
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@ -31,6 +31,7 @@ import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
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import de.dhbwstuttgart.syntaxtree.type.WildcardType;
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import de.dhbwstuttgart.typeinference.ConstraintsSet;
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import de.dhbwstuttgart.typeinference.FunN;
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import de.dhbwstuttgart.typeinference.FunVoidN;
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import de.dhbwstuttgart.typeinference.JavaCodeResult;
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import de.dhbwstuttgart.typeinference.OderConstraint;
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import de.dhbwstuttgart.typeinference.ResultSet;
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@ -175,17 +176,21 @@ public class LambdaExpression extends Expr{
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//retType bleibt unverändert
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}
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}else{
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retType = new ExtendsWildcardType((ObjectType) retType);
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//Die LambdaExpression kann zu diesem Zeit schon feststellen, ob der Return-Type Void ist (Kein Return-Statement):
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if(!typeIsVoid(retType)){ //Nur, wenn es nicht void ist, kann der ExtendsWildcardType gebildet werden.
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retType = new ExtendsWildcardType((ObjectType) retType);
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}
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}
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//Die LambdaExpression kann zu diesem Zeit schon feststellen, ob der Return-Type Void ist (Kein Return-Statement):
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if(retType.getName().equals(new JavaClassName("Void"))){
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System.out.println("Void rettype");
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if(typeIsVoid(retType)){//In diesem Fall, muss der Typ des LambdaAusdrucks FunVoid sein
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ret.add(new SingleConstraint(new FunVoidN(modifiedParamTypes).TYPE(assumptions, this),this.getType().TYPE(assumptions, this)));
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}else{
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ret.add(new SingleConstraint(new FunN(retType, modifiedParamTypes).TYPE(assumptions, this),this.getType().TYPE(assumptions, this)));
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}
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ret.add(new SingleConstraint(new FunN(retType, modifiedParamTypes).TYPE(assumptions, this),this.getType().TYPE(assumptions, this)));
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return ret;
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}
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private boolean typeIsVoid(Type type){
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return type.getName().equals(new JavaClassName("void"));
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}
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@Override
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public ConstraintsSet TYPEStmt(TypeAssumptions ass){
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throw new TypeinferenceException("Eine LambdaExpression darf nicht als Statement verwendet werden.", this);
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@ -44,6 +44,16 @@ public class FunN extends RefType {
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this.name = new JavaClassName("Fun"+T.size());//getName();
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}
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/**
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* Spezieller Konstruktor um eine FunN ohne Returntype zu generieren
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*/
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protected FunN(Menge<Type> T){
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super("",null,0);
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if(T==null)throw new NullPointerException();
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setT(T);
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this.name = new JavaClassName("Fun"+T.size());//getName();
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}
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/**
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* Erstellt eine FunN:
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* FunN<R, T1, ..., TparameterCount>
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@ -22,7 +22,6 @@ public class FunNInterface extends Class{
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//TODO: Diese Klasse sollte eigentlich von Interface erben
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//TODO: getType muss einen Typ mit der ParameterListe zurückliefern.
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//private Menge<GenericTypeVar> gtvparalist;
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/**
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64
src/de/dhbwstuttgart/typeinference/FunVoidN.java
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src/de/dhbwstuttgart/typeinference/FunVoidN.java
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@ -0,0 +1,64 @@
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package de.dhbwstuttgart.typeinference;
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import java.util.Iterator;
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import de.dhbwstuttgart.typeinference.Menge;
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import de.dhbwstuttgart.parser.JavaClassName;
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import de.dhbwstuttgart.syntaxtree.Method;
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import de.dhbwstuttgart.syntaxtree.ParameterList;
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import de.dhbwstuttgart.syntaxtree.type.GenericTypeVar;
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import de.dhbwstuttgart.syntaxtree.type.RefType;
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import de.dhbwstuttgart.syntaxtree.type.Type;
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import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
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import de.dhbwstuttgart.typeinference.assumptions.MethodAssumption;
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import de.dhbwstuttgart.typeinference.assumptions.TypeAssumptions;
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/**
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* @see Spezifikation "Complete Typeinference in Java 8" von Martin Plümicke
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* "interface FunN<R,T1, T2, ... ,TN> { R apply(T1 arg1, T2 arg2, ... , TN argN); }"
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* @author A10023 - Andreas Stadelmeier
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*
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* Bemerkung:
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* FunN ist ein RefType. Der RefType ist nicht mit einem FunNInterface verbunden.
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*
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*/
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public class FunVoidN extends FunN {
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private Type R;
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private Menge<Type> T;
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/**
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* @author Andreas Stadelmeier, a10023
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* Benötigt für den Typinferenzalgorithmus für Java 8
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* Generiert einen RefType auf eine FunVoidN<T1,...,TN> - Klasse.
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* @param T
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* @return
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*/
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public FunVoidN(Menge<Type> T) {
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super(T);
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this.name = new JavaClassName("FunVoid"+T.size());
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}
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/**
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* Erstellt eine FunVoidN:
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* FunN<T1, ..., TparameterCount>
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* T1 - TparameterCount werden mit TypePlaceholdern besetzt.
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* @param parameterCount
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*/
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public FunVoidN(int parameterCount) {
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super(parameterCount);
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this.name = new JavaClassName("FunVoid"+T.size());
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}
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/**
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* Muss nach jeder Ãnderung von T oder R aufgerufen werden.
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* Dabei werden bestimmte, von RefType geerbte, Parameter angepasst. Dies ist wichtig für den Typinferenzalgorithmus.
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*/
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private void calculateNewParalist(){
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Menge<Type> t = new Menge<Type>();
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if(T!=null)t.addAll(T);
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this.set_ParaList(t);
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}
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}
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64
src/de/dhbwstuttgart/typeinference/FunVoidNInterface.java
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64
src/de/dhbwstuttgart/typeinference/FunVoidNInterface.java
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package de.dhbwstuttgart.typeinference;
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import de.dhbwstuttgart.typeinference.Menge;
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import de.dhbwstuttgart.parser.JavaClassName;
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import de.dhbwstuttgart.syntaxtree.Class;
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import de.dhbwstuttgart.syntaxtree.modifier.Modifiers;
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import de.dhbwstuttgart.syntaxtree.type.GenericTypeVar;
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import de.dhbwstuttgart.syntaxtree.type.RefType;
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import de.dhbwstuttgart.syntaxtree.type.Type;
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import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
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import de.dhbwstuttgart.typeinference.assumptions.ClassAssumption;
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import de.dhbwstuttgart.typeinference.assumptions.MethodAssumption;
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import de.dhbwstuttgart.typeinference.assumptions.TypeAssumptions;
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/**
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* Stellt das Interface FunVoidN dar.
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* @author janulrich
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*
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*/
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public class FunVoidNInterface extends Class{
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//TODO: Diese Klasse sollte eigentlich von Interface erben
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//TODO: getType muss einen Typ mit der ParameterListe zurückliefern.
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//private Menge<GenericTypeVar> gtvparalist;
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/**
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* Ein FunN-Interface enthält nur eine Methode (namens apply). Ist also ein Funktionales Interface.
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* @param N - Die Anzahl der Parameter der apply-Methode. Beispiel N = 1 ergibt <code>R apply(T1 par1);</code>
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*/
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public FunVoidNInterface(int N) {
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super("FunVoid"+N, null, new Modifiers(), FunVoidNInterface.makeParaList(N));
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}
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private static Menge<String> makeParaList(int n) {
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Menge<String> ret = new Menge<>();
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for(int i = 1; i<=n;i++){
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ret.add("T"+i);
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}
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return ret;
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}
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/**
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* @return Im Falle von einem FunN-Interface ist dies die apply-Methode
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*/
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@Override
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public TypeAssumptions getPublicFieldAssumptions() {
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//return super.getPublicFieldAssumptions();
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TypeAssumptions ret = new TypeAssumptions();
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ret.addAssumption(new MethodAssumption(this.getApplyFunction(), this));
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ret.addClassAssumption(new ClassAssumption(this));
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for(GenericTypeVar gtv : this.getGenericParameter())ret.addGenericVarAssumption(gtv);
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return ret;
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}
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/**
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* Erstellt die nach Definition des Typinferenzalgorithmus von Martin Plümicke, in jedem FunN-Interface enthaltene apply-Methode
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* @return
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*/
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private FunVoidNMethod getApplyFunction(){
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return new FunVoidNMethod(this.get_ParaList(),this);
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}
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}
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63
src/de/dhbwstuttgart/typeinference/FunVoidNMethod.java
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63
src/de/dhbwstuttgart/typeinference/FunVoidNMethod.java
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@ -0,0 +1,63 @@
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package de.dhbwstuttgart.typeinference;
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import de.dhbwstuttgart.typeinference.Menge;
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import de.dhbwstuttgart.syntaxtree.type.Void;
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import de.dhbwstuttgart.syntaxtree.FormalParameter;
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import de.dhbwstuttgart.syntaxtree.Class;
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import de.dhbwstuttgart.syntaxtree.Method;
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import de.dhbwstuttgart.syntaxtree.ParameterList;
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import de.dhbwstuttgart.syntaxtree.misc.DeclId;
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import de.dhbwstuttgart.syntaxtree.type.Type;
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import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
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import de.dhbwstuttgart.typeinference.typedeployment.TypeInsertPoint;
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public class FunVoidNMethod extends Method{
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/**
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*
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* @param N - Anzahl der Parameter (Beispiel: Fun2<R, T1, T2>)
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*/
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public FunVoidNMethod(Menge<? extends Type> paralist, Class parent){
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super(0); //Hat keinen Offset, da nur theoretisch gedachte Methode
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int N = paralist.size();
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this.setType(new Void(this, -1));
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this.set_DeclId(new DeclId("apply"));
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ParameterList pl = new ParameterList();
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Menge<FormalParameter> fpList = new Menge<FormalParameter>();
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for(int i = 0;i<N;i++){ //Alle Elemente in der übergebenen paralist durchgehen.
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DeclId paramName = new DeclId("T"+i);
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FormalParameter parameter = new FormalParameter(paramName);
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parameter.setType(paralist.get(i));
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fpList.add(parameter);
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}
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pl.formalparameter = fpList;
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this.parameterlist = pl;
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this.parserPostProcessing(parent);
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}
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/*
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public FunNMethod(int N){
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super(0); //Hat keinen Offset, da nur theoretisch gedachte Methode
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this.setType(TypePlaceholder.fresh(this));
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this.set_DeclId(new DeclId("apply"));
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ParameterList pl = new ParameterList();
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Menge<FormalParameter> fpList = new Menge<FormalParameter>();
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for(int i = 1;i<=N;i++){ //Alle verbleibenden Elemente in der übergebenen paralist durchgehen.
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DeclId paramName = new DeclId("T"+i);
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FormalParameter parameter = new FormalParameter(paramName);
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parameter.setType(TypePlaceholder.fresh(parameter));
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//parameter.set_DeclId(paramName);
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fpList.add(parameter);
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}
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pl.formalparameter = fpList;
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this.parameterlist = pl;
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this.parserPostProcessing(new Class("Fun"+N, 0));
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}
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*/
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@Override
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public TypeInsertPoint createTypeInsertPoint(TypePlaceholder tph,
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ResultSet resultSet) {
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return null;
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}
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}
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@ -696,7 +696,7 @@ public class Unify
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}
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SetView<Menge<Menge<Pair>>> difference = Sets.difference(cartProduktSets, temp);
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log.debug("Ausgelöschte Constraints: "+difference.toString());
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//cartProduktSets = temp;
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cartProduktSets = temp;
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/*
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Unifier filterUnify = (pairs)->{
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String pairsString = pairs.toString();
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5
test/plugindevelopment/TypeInsertTests/FunVoid.jav
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5
test/plugindevelopment/TypeInsertTests/FunVoid.jav
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class FunTest{
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funVoid = ()->{};
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}
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19
test/plugindevelopment/TypeInsertTests/FunVoid.java
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19
test/plugindevelopment/TypeInsertTests/FunVoid.java
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package plugindevelopment.TypeInsertTests;
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import java.util.ArrayList;
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import java.util.List;
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import de.dhbwstuttgart.typeinference.Menge;
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import org.junit.Test;
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public class FunVoid {
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private static final String TEST_FILE = "FunVoid.jav";
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@Test
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public void run(){
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Menge<String> mustContain = new Menge<String>();
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//mustContain.add("TestIfStmt var");
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MultipleTypesInsertTester.testSingleInsert(this.TEST_FILE, mustContain);
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ArrayList l = new ArrayList();
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}
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}
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@ -106,5 +106,11 @@ public class MultipleTypesInsertTester extends TypeInsertTester{
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for(String containString : mustContain){
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TestCase.assertTrue("\""+containString+"\" muss in den inferierten Lösungen vorkommen",gesamterSrc.contains(containString));
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}
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try {
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Files.write(Logger.getWholeLog().getBytes(),new File(rootDirectory+sourceFileToInfere+".log"));
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} catch (IOException e) {
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e.printStackTrace();
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TestCase.fail();
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}
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}
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}
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