GTV2TPH eingeführt. Beim Anfügen eines SingleConstraints werden GenericTypeVars nun durch Typeplaceholder ausgetauscht.

bin/mycompiler/myparser/JavaParser.jay

@@ -323,7 +323,7 @@ compilationunit  :  typedeclarations
 					{
 						$$=$1;
 					}
-/*					|importdeclarations typedeclarations 
+					|importdeclarations typedeclarations 
 					{
 						$2.addImports($1);					
 						$$=$2;
@@ -346,7 +346,7 @@ compilationunit  :  typedeclarations
 						this.testPair.add(new Pair($1,$2));
 						$$=$3;
 					}
-					*/
+					
 packagedeclaration	: PACKAGE name ';' ;
 					{
 						// SCJU: Package

src/mycompiler/SourceFile.java

@@ -5,6 +5,7 @@ package mycompiler;
 // ino.module.SourceFile.8722.import 
 import java.util.Collection;
 import java.util.Enumeration;
+import java.util.HashMap;
 import java.util.Hashtable;
 import java.util.Iterator;
 import java.util.Vector;
@@ -690,6 +691,27 @@ public class SourceFile
             	}
             }
             
+            //Alle Generischen Typvariablen in TPH umwandeln:
+            HashMap<GenericTypeVar,TypePlaceholder> gtv2tph = new HashMap<GenericTypeVar,TypePlaceholder>();
+            for(Pair pair : constraints){
+        		if(pair.TA1 instanceof GenericTypeVar){
+        			TypePlaceholder tph = gtv2tph.get(pair.TA1);
+        			if(tph == null){
+        				tph = TypePlaceholder.fresh();
+        				gtv2tph.put((GenericTypeVar)pair.TA1, tph);
+        			}
+        			pair.TA1 = tph;
+        		}
+        		if(pair.TA2 instanceof GenericTypeVar){
+        			TypePlaceholder tph = gtv2tph.get(pair.TA2);
+        			if(tph == null){
+        				tph = TypePlaceholder.fresh();
+        				gtv2tph.put((GenericTypeVar)pair.TA2, tph);
+        			}
+        			pair.TA2 = tph;
+        		}
+            }
+            
             //Erst die Unifizierung erstellen:
             Vector<Pair> constraintsClone = (Vector<Pair>)constraints.clone();
             Vector<Vector<Pair>> unifyResult = Unify.unify(constraintsClone, finiteClosure);

src/mycompiler/myclass/Class.java

@@ -1250,6 +1250,10 @@ public class Class extends SyntaxTreeNode implements AClassOrInterface
      * @return
      */
 	public RefType getType() {
+		Vector<Type> parameter = new Vector<Type>();
+		for(Type param : this.get_ParaList()){
+			parameter.add(((GenericTypeVar)param).getTypePlaceHolder());//(TypePlaceholder.fresh()); //Hier ist kein ReplacementListener notwendig. Der Typ soll nie eingesetzt werden. Der TPH wird nur gebraucht, damit das Unifizieren funktioniert.
+		}
 		return new RefType(this.getName(), this.get_ParaList(), 0);
 	}
 

src/mycompiler/myclass/Method.java

@@ -705,7 +705,9 @@ public class Method extends Field implements IItemWithOffset, TypeInsertable
 	public boolean equals(Object obj){
 		if(!(obj instanceof Method))return false;
 		Method equals = (Method) obj;
-		if(!this.returntype.equals(equals.returntype))return false;
+		if((this.returntype!=null && equals.returntype==null))return false;
+		if((this.returntype==null && equals.returntype!=null))return false;
+		if(this.returntype!=null && equals.returntype!=null)if(!this.returntype.equals(equals.returntype))return false;
 		if(!this.parameterlist.equals(equals.parameterlist))return false;
 		return super.equals(obj);
 	}

src/mycompiler/myparser/JavaParser.jay

@@ -323,7 +323,7 @@ compilationunit  :  typedeclarations
 					{
 						$$=$1;
 					}
-/*					|importdeclarations typedeclarations 
+					|importdeclarations typedeclarations 
 					{
 						$2.addImports($1);					
 						$$=$2;
@@ -346,7 +346,7 @@ compilationunit  :  typedeclarations
 						this.testPair.add(new Pair($1,$2));
 						$$=$3;
 					}
-					*/
+					
 packagedeclaration	: PACKAGE name ';' ;
 					{
 						// SCJU: Package

src/mycompiler/mystatement/InstVar.java

@@ -36,10 +36,16 @@ import org.apache.log4j.Logger;
 
 
 
+
+
+
 import typinferenz.ConstraintsSet;
 import typinferenz.FreshTypeVariable;
 import typinferenz.JavaCodeResult;
+import typinferenz.OderConstraint;
 import typinferenz.ResultSet;
+import typinferenz.UndConstraint;
+import typinferenz.assumptions.FieldAssumption;
 import typinferenz.assumptions.TypeAssumptions;
 
 
@@ -103,18 +109,24 @@ public class InstVar extends Expr
         super(offset,variableLength);
         Iterator namen = ui.get_Name().iterator();
         LocalOrFieldVar innerLOFV = new LocalOrFieldVar((String)namen.next(),getOffset());
-        innerLOFV.setType(TypePlaceholder.fresh(this));
+        //innerLOFV.setType(TypePlaceholder.fresh(this));
         InstVar INSTVA = new InstVar(innerLOFV, (String)namen.next(),offset);
-        INSTVA.setType(TypePlaceholder.fresh(this));
+        //INSTVA.setType(TypePlaceholder.fresh(this));
         while(namen.hasNext()) {
         INSTVA = new InstVar(INSTVA, (String)namen.next(),offset);
-        INSTVA.setType(TypePlaceholder.fresh(this));
+        //INSTVA.setType(TypePlaceholder.fresh(this));
         }
     expr = INSTVA.expr;
     usedid = INSTVA.usedid;
     }
     // ino.end
 
+    @Override
+	public void parserPostProcessing(SyntaxTreeNode parent) {
+		super.parserPostProcessing(parent);
+		if(this.getType()==null)this.set_Type(TypePlaceholder.fresh(this));
+	}
+
 	// ino.method.sc_check.25417.definition 
     public void sc_check(Vector<Class> classname, Hashtable ch, Hashtable<String, String> bh, boolean ext, Hashtable parach, Hashtable<String, Hashtable> parabh)
     // ino.end
@@ -152,7 +164,7 @@ public class InstVar extends Expr
     // ino.end
     // ino.method.get_Name.25420.body 
     {
-    return null;
+    return this.usedid.get_Name_1Element();
     }
     // ino.end
 
@@ -267,14 +279,27 @@ public class InstVar extends Expr
 	@Override
 	public ConstraintsSet TYPEExpr(TypeAssumptions assumptions) {
 		ConstraintsSet ret = new ConstraintsSet();
+		if(this.expr == null){
+			this.expr = new This(0, 0);
+		}
 		ret.add(expr.TYPEExpr(assumptions));
 		this.setType(TypePlaceholder.fresh(this));
-		return null;
+		OderConstraint oderConstraint = new OderConstraint();
+		for(FieldAssumption fa : assumptions.getFieldVars(this.get_Name())){
+			UndConstraint undConstraint = new UndConstraint();
+			undConstraint.addConstraint(fa.getAssumedType(),this.getType());
+			undConstraint.addConstraint(this.expr.getType(),fa.getParentClass().getType());
+			oderConstraint.addConstraint(undConstraint);
+		}
+		ret.add(oderConstraint);
+		return ret;
 	}
 
 	@Override
 	public JavaCodeResult printJavaCode(ResultSet resultSet) {
-		return new JavaCodeResult().attach(this.expr.printJavaCode(resultSet)).attach("."+this.usedid.get_Name_1Element());
+		JavaCodeResult ret = new JavaCodeResult();
+		if(this.expr != null)ret.attach(this.expr.printJavaCode(resultSet)).attach(".");
+		return ret.attach(this.usedid.get_Name_1Element());
 	}
 
 	@Override

src/mycompiler/mytype/GenericTypeVar.java

@@ -33,6 +33,7 @@ public class GenericTypeVar extends Type
     // ino.method.GenericTypeVar.26509.defdescription type=line
     // private Hashtable<String, Vector<GenericTypeVar>> m_TypeErasureList;
     // ino.end
+	private TypePlaceholder tph;
     
 	/**
 	 * 
@@ -134,6 +135,11 @@ public class GenericTypeVar extends Type
 		return new JavaCodeResult(this.name);
 	}
 
+	public TypePlaceholder getTypePlaceHolder() {
+		if(this.tph == null)this.tph = TypePlaceholder.fresh();
+		return this.tph;
+	}
+
 }
 // ino.end
 

src/mycompiler/mytype/RefType.java

@@ -87,7 +87,7 @@ public class RefType extends Type implements IMatchable
     {
         super(offset);
         this.setName(fullyQualifiedName);
-        if(parameter != null && parameter.size()>0)this.parameter = parameter;
+        if(parameter != null && parameter.size()>0)this.set_ParaList(parameter);
     }
     // ino.end
 
@@ -99,7 +99,7 @@ public class RefType extends Type implements IMatchable
         super(offset);
         // otth: Copy-Konstruktor
         this.setName(R.getTypeName());
-        this.parameter = R.get_ParaList();
+        this.set_ParaList(R.get_ParaList());
     }
     // ino.end
 
@@ -196,6 +196,19 @@ public class RefType extends Type implements IMatchable
     }
     // ino.end
     
+    /**
+     * Wandelt die Parameter des RefTypes in TPHs um, sofern es sich um Generische Variablen handelt.
+     * @return
+     */
+    public void GTV2TPH(){
+    	Vector<Type> paralist = new Vector<Type>();
+    	if(this.get_ParaList()!=null)for(Type t : this.get_ParaList()){
+    		if(t instanceof GenericTypeVar)paralist.add(((GenericTypeVar)t).getTypePlaceHolder());
+    		else paralist.add(t);
+    	}
+    	this.set_ParaList(paralist);
+    }
+    
     // ino.method.setName.26655.definition 
     public void setName( String name )
     // ino.end
@@ -241,12 +254,23 @@ public class RefType extends Type implements IMatchable
     }
     // ino.end
 
+    /**
+     * Fügt eine Parameterliste an und tauscht zuvor alle GenerictTypeVars durch TPH aus.
+     * In einem RefType dürfen keine GTVs enthalten sein.
+     * @param v
+     */
     // ino.method.set_ParaList.26661.definition 
     public void set_ParaList(Vector<Type> v)
     // ino.end
     // ino.method.set_ParaList.26661.body 
     {
-    this.parameter = v;
+    	/*
+    	Vector<Type> paralist = new Vector<Type>();
+    	if(v!=null)for(Type t : v){
+    		if(t instanceof GenericTypeVar)paralist.add(((GenericTypeVar)t).getTypePlaceHolder());
+    		else paralist.add(t);
+    	}*/
+    	this.parameter = v;//paralist;
     	parserlog.debug("T->Type.java->set_ParaList->parameter: " + parameter);
     	parserlog.debug("T->Type.java->get_Type: " + getName());
     }

src/typinferenz/FunNInterface.java

@@ -24,8 +24,10 @@ public class FunNInterface extends Class{
 		super("Fun"+N);
 		Vector<Type> paralist = new Vector<Type>();
 		paralist.add(new GenericTypeVar("R",0));
+		//paralist.add(TypePlaceholder.fresh());
 		for(int i = 1; i<=N;i++){
 			paralist.add(new GenericTypeVar("T"+i,0));
+			//paralist.add(TypePlaceholder.fresh());
 		}
 		this.set_ParaList(paralist);
 	}

src/typinferenz/SingleConstraint.java

@@ -3,6 +3,7 @@ package typinferenz;
 import java.util.Vector;
 
 import typinferenz.exceptions.TypinferenzException;
+import mycompiler.mytype.GenericTypeVar;
 import mycompiler.mytype.Pair;
 import mycompiler.mytype.RefType;
 import mycompiler.mytype.Type;
@@ -48,9 +49,19 @@ public class SingleConstraint extends UndConstraint{
 		Type p2 = toAdd.TA2;
 		if(p1==null || p2 == null)throw new NullPointerException();
 
+		
+		//Hier werden die GTVs zu TPH gewandelt.
+		if(p1 instanceof RefType)((RefType)p1).GTV2TPH();
+		if(p2 instanceof RefType)((RefType)p2).GTV2TPH();
+		
+		if((p1 instanceof GenericTypeVar))
+			p1 = ((GenericTypeVar)p1).getTypePlaceHolder();
+		if((p2 instanceof GenericTypeVar))
+			p2 = ((GenericTypeVar)p2).getTypePlaceHolder();
+		
 		// BaseTypes werden in RefTypes umgewandelt. Constraints dürfen nur RefTypes oder TypePlaceholder enthalten, da sonst der Unify-Algorithmus nicht funktioniert.
-		if(!(p1 instanceof RefType) && !(p1 instanceof TypePlaceholder))p1 = new RefType(p1);
+		if(!(p1 instanceof RefType) && !(p1 instanceof TypePlaceholder) && !(p1 instanceof GenericTypeVar))p1 = new RefType(p1);
-		if(!(p2 instanceof RefType) && !(p2 instanceof TypePlaceholder))p2 = new RefType(p2);
+		if(!(p2 instanceof RefType) && !(p2 instanceof TypePlaceholder) && !(p2 instanceof GenericTypeVar))p2 = new RefType(p2);
 		
 		//if(!(TypePlaceholder.class.isInstance(p1)) || !(RefType.class.isInstance(p1)) || !(TypePlaceholder.class.isInstance(p2)) || !(RefType.class.isInstance(p2)))
 		//{//Wenn die beiden übergebenen Typen weder RefTypes noch TypePlaceholder sind:

src/typinferenz/assumptions/MethodAssumption.java

@@ -31,7 +31,8 @@ public class MethodAssumption extends FieldAssumption {
 	 * @return
 	 */
 	public Type getParameterType(int i) {
-		return this.method.getParameterList().getParameterAt(i).getType();
+		Type ret = this.method.getParameterList().getParameterAt(i).getType();
+		return ret;
 	}
 
 	public Type getParentClassType() {

src/typinferenz/assumptions/TypeAssumptions.java

@@ -93,15 +93,19 @@ public class TypeAssumptions {
 	 * @param withName
 	 * @return
 	 */
-	@Deprecated
+	public Vector<FieldAssumption> getFieldVars(String withName){
-	public Vector<FieldAssumption> getFieldVars2(String withName){
+		Vector<FieldAssumption> ret = new Vector<FieldAssumption>();
-		//TODO: Implementieren
+		for(FieldAssumption fa : this.fieldAssumptions){
-		return new Vector<FieldAssumption>();
+			if(fa.getIdentifier().equals(withName))ret.add(fa);
 		}
-	@Deprecated
+		return ret;
-	public Type getTypeOfFieldVar2(String withName, Class inClass){
+	}
-		//TODO: Implementieren
+	
-		return null;
+	public Type getTypeOfFieldVar(String withName, Class inClass){
+		for(FieldAssumption fa : this.getFieldVars(withName)){
+			if(fa.getParentClass().equals(inClass))return fa.getAssumedType();
+		}
+		throw new TypinferenzException("Das Feld "+withName+" ist in der Klasse "+inClass.getName()+" nicht vorhanden.");
 	}
 	
 	/**

test/parser/GeneralParserTest.java

@@ -29,6 +29,7 @@ public class GeneralParserTest{
 	public void run(){
 		Vector<String> filenames = new Vector<String>();
 		filenames.add("FieldInitializationTest.jav");
+		filenames.add("ImportTest.jav");
 		MyCompilerAPI compiler = MyCompiler.getAPI();
 		try{
 			for(String filename : filenames)

test/parser/ImportTest.jav

@@ -0,0 +1,4 @@
+import java.util.*;
+
+class ImportTest{
+}

test/plugindevelopment/TypeInsertTests/GenericTypeVarTest.jav

@@ -0,0 +1,11 @@
+class GTVTest<GTV1>{
+GTVTest2<String> var;
+
+methode(){
+	return var.var2;
+}
+}
+
+class GTVTest2<GTV2>{
+	GTV2 var2;
+}

test/plugindevelopment/TypeInsertTests/GenericTypeVarTest.java

@@ -0,0 +1,18 @@
+package plugindevelopment.TypeInsertTests;
+
+import java.util.Vector;
+
+import org.junit.Test;
+
+public class GenericTypeVarTest {
+
+	private static final String TEST_FILE = "GenericTypeVarTest.jav";
+	
+	@Test
+	public void run(){
+		Vector<String> mustContain = new Vector<String>();
+		mustContain.add("String methode");
+		MultipleTypesInsertTester.test(this.TEST_FILE, mustContain);
+	}
+	
+}

test/plugindevelopment/TypeInsertTests/LambdaTest1.java

@@ -11,7 +11,7 @@ public class LambdaTest1 {
 	@Test
 	public void run(){
 		Vector<String> mustContain = new Vector<String>();
-		mustContain.add("Fun0<Fun1<String, Fun2<LambdaTest, String>>> op");
+		mustContain.add("Fun0<Fun1<String, Fun2<G, LambdaTest, String>>> op");
 		MultipleTypesInsertTester.test(this.TEST_FILE, mustContain);
 	}