// ino.module.NewClass.8642.package 
package de.dhbwstuttgart.syntaxtree.statement;
// ino.end
// ino.module.NewClass.8642.import 
import java.util.Enumeration;
import java.util.Hashtable;
import java.util.Iterator;
import java.util.Vector;


import de.dhbwstuttgart.logger.Logger;
import de.dhbwstuttgart.bytecode.ClassFile;
import de.dhbwstuttgart.bytecode.CodeAttribute;
import de.dhbwstuttgart.bytecode.JVMCode;
import de.dhbwstuttgart.myexception.CTypeReconstructionException;
import de.dhbwstuttgart.myexception.JVMCodeException;
import de.dhbwstuttgart.myexception.SCExcept;
import de.dhbwstuttgart.myexception.SCStatementException;
import de.dhbwstuttgart.syntaxtree.Class;
import de.dhbwstuttgart.syntaxtree.SyntaxTreeNode;
import de.dhbwstuttgart.syntaxtree.misc.UsedId;
import de.dhbwstuttgart.syntaxtree.type.GenericTypeVar;
import de.dhbwstuttgart.syntaxtree.type.RefType;
import de.dhbwstuttgart.syntaxtree.type.Type;
import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
import de.dhbwstuttgart.syntaxtree.type.Void;
import de.dhbwstuttgart.typeinference.ConstraintsSet;
import de.dhbwstuttgart.typeinference.FunN;
import de.dhbwstuttgart.typeinference.JavaCodeResult;
import de.dhbwstuttgart.typeinference.ResultSet;
import de.dhbwstuttgart.typeinference.SingleConstraint;
import de.dhbwstuttgart.typeinference.UndConstraint;
import de.dhbwstuttgart.typeinference.assumptions.ConstructorAssumption;
import de.dhbwstuttgart.typeinference.assumptions.TypeAssumptions;
import de.dhbwstuttgart.typeinference.exceptions.TypeinferenceException;
import de.dhbwstuttgart.typeinference.unify.CSubstitutionSet;




// ino.class.NewClass.25830.declaration 
public class NewClass extends Expr
// ino.end
// ino.class.NewClass.25830.body
{
    // ino.method.NewClass.25834.definition 
    public NewClass(int offset,int variableLength)
    // ino.end
    // ino.method.NewClass.25834.body 
    {
        super(offset,variableLength);
    }
    // ino.end

    // ino.attribute.arglist.25837.declaration 
    private ArgumentList arglist;
    // ino.end
    // ino.attribute.parserlog.25840.declaration 
    protected static Logger parserlog = Logger.getLogger("parser");
    // ino.end
    
    
    // ino.method.getArgumentList.25843.definition 
    public ArgumentList getArgumentList()
    // ino.end
    // ino.method.getArgumentList.25843.body 
    {
       return this.arglist;
    }
    // ino.end

    // ino.method.get_Name.25846.definition 
    public String get_Name()
    // ino.end
    // ino.method.get_Name.25846.body 
    {
    return this.usedid.get_Name_1Element();
    }
    // ino.end

    // ino.method.set_UsedId.25849.definition 
    public void set_UsedId( UsedId t)
    // ino.end
    // ino.method.set_UsedId.25849.body 
    {
    this.usedid = t;
    }
    // ino.end
    
    // ino.method.set_ArgumentList.25855.definition 
    public void set_ArgumentList(ArgumentList al)
    // ino.end
    // ino.method.set_ArgumentList.25855.body 
    {
    this.arglist = al;
    }
    // ino.end

    // ino.method.codegen.25858.definition 
    public void codegen(ClassFile classfile, CodeAttribute code, Vector paralist)
    throws JVMCodeException
    // ino.end
// ino.method.codegen.25858.body 
{
        String class_name = this.get_UsedId().get_codegen_UsedId();
        String arg;

        // Argumentliste verarbeiten
        if (arglist != null) {
            arg = arglist.get_codegen_ArgumentList(paralist);
        } else {
            arg = "()";
        }
        code.add_code(JVMCode.new_);
        code.add_code_short(classfile.add_CONSTANT_Class_info(class_name));
        code.add_code(JVMCode.dup);

        // Vor invokespecial die Parameter auf den Stack legen
        if (arglist != null) {
            // Die einzelnen Argumente generieren
            for (int i=0; i< arglist.expr.size(); i++) {
                arglist.expr.elementAt(i).codegen(classfile, code, paralist);
            }
        }
        
        code.add_code(JVMCode.invokespecial);
        code.add_code_short(classfile.add_method_ref(class_name, "<init>", arg
                + "V"));
    }
// ino.end

    // ino.method.toString.25867.defdescription type=javadoc
     /**
      * <br/>Author: Martin Pl�micke
      * @return
      */
     // ino.end
    // ino.method.toString.25867.definition 
    public String toString()
    // ino.end
    // ino.method.toString.25867.body 
    {
    	String ret = "NEW ";
    	Type thisType = getType();
    	if(thisType != null)ret += thisType.toString();
    	else ret += this.get_Name();
        return ret;
    }
    // ino.end
    
    // ino.method.wandleRefTypeAttributes2GenericAttributes.25870.definition 
    public void wandleRefTypeAttributes2GenericAttributes(Vector<Type> paralist, Vector<GenericTypeVar> genericMethodParameters)
    // ino.end
    // ino.method.wandleRefTypeAttributes2GenericAttributes.25870.body 
    {
    }
    // ino.end
    
	@Override
	public ConstraintsSet TYPEExpr(TypeAssumptions assumptions) {
		//TODO: Das hier noch vervollständigen
		ConstraintsSet ret = new ConstraintsSet();
		UndConstraint callConstraints = new UndConstraint();
		//Die Auskommentierten Zeilen gehören zu MethodRefNew
		//Vector<Type> argumentTypeList = new Vector<Type>();
		//for(Expr expr : this.arglist.expr){
		//	argumentTypeList.add(expr.getTypeVariable());
		//}
		//FunN funN= new FunN(null,argumentTypeList);
		
		//Constraint newClassTypeConstraint = new Constraint(null,null);
		//ret.add(newClassTypeConstraint);
		int numArgs = 0;
		if(this.arglist != null)numArgs = this.arglist.size();
		ConstructorAssumption cA = assumptions.getConstructorAssumption(this.get_Name(), numArgs);
		if(cA == null)throw new TypeinferenceException("Der Konstruktor "+this.get_Name()+" mit "+numArgs+" Parametern ist nicht vorhanden.", this);
		
		for(int i=0; i<cA.getParaCount();i++){
			ret.add(this.arglist.expr.elementAt(i).TYPEExpr(assumptions));
			callConstraints.addConstraint( this.arglist.expr.elementAt(i).getType().TYPE(assumptions, this), cA.getParameterType(i).TYPE(assumptions, this));
		}
		//if(this.arglist != null && this.arglist.expr != null)for(Expr arg : this.arglist.expr){
		//	ret.add(arg.TYPEExpr(assumptions));	
		//}
		Type thisT = assumptions.checkType(new RefType(this.get_Name(),this,0), (SyntaxTreeNode)this);
		this.setType(thisT);
		
		
		/*
		//Ein new-Aufruf ist nichts anderes als ein MethodCall der Methode <init>
		MethodCall newAufruf = new MethodCall(0,0);
		this.setType(assumptions.getTypeFor(new RefType(this.get_Name(),0)));
		newAufruf.type = this.getType();
		newAufruf.set_Name("<init>");
		newAufruf.set_Receiver(null);
		ret.add(new Overloading(assumptions, newAufruf, this.getType()).generateConsstraints());
		*/
		return ret;
	}
	
	/**
	 * Spezifikation:
	 * 	TYPEStmt( Ass, stmt ) =
	 * 	let (stmt : rty, ConS) = TYPEExpr( Ass, stmt )
	 * 	in (stmt : Void, ConS)
	 */
	@Override
	public ConstraintsSet TYPEStmt(TypeAssumptions assumptions){
		ConstraintsSet ret = this.TYPEExpr(assumptions); //TypeExpr aufrufen
		this.setType(new Void(this,0)); //Typ des Statments auf Void setzen.
		return ret;
	}

	@Override
	public JavaCodeResult printJavaCode(ResultSet resultSet) {
		JavaCodeResult ret = new JavaCodeResult("new ");
		ret.attach(this.get_Name());
		ret.attach("(");
		if(this.arglist!=null && this.arglist.expr != null){
			Iterator<Expr> it = this.arglist.expr.iterator();	
			while(it.hasNext()){
			Expr arg = it.next();
			ret.attach(arg.printJavaCode(resultSet));
			if(it.hasNext())ret.attach(", ");
			}
			//ret = ret.substring(0, ret.length()-2);
		}
		ret.attach(")");

		return ret;
	}
	@Override
	public Vector<SyntaxTreeNode> getChildren() {
		Vector<SyntaxTreeNode> ret = new Vector<SyntaxTreeNode>();
		if(this.arglist!=null)for(Expr e : this.arglist.expr){
			ret.add(e);	
		}
		return ret;
	}
	
	
}
// ino.end