// ino.module.Block.8625.package 
package mycompiler.mystatement;
// ino.end
// ino.module.Block.8625.import 
import java.util.Enumeration;
import java.util.Hashtable;
import java.util.Iterator;
import java.util.Vector;

import mycompiler.mybytecode.ClassFile;
import mycompiler.mybytecode.CodeAttribute;
import mycompiler.myclass.Class;
import mycompiler.myexception.CTypeReconstructionException;
import mycompiler.myexception.JVMCodeException;
import mycompiler.myexception.SCExcept;
import mycompiler.myexception.SCStatementException;
import mycompiler.mytype.GenericTypeVar;
import mycompiler.mytype.Type;
import mycompiler.mytype.TypePlaceholder;
import mycompiler.mytype.Void;
import mycompiler.mytypereconstruction.CSupportData;
import mycompiler.mytypereconstruction.CTriple;
import mycompiler.mytypereconstruction.replacementlistener.CReplaceTypeEvent;
import mycompiler.mytypereconstruction.set.CSubstitutionSet;
import mycompiler.mytypereconstruction.set.CTripleSet;
import mycompiler.mytypereconstruction.set.CTypeAssumptionSet;
import mycompiler.mytypereconstruction.typeassumption.CTypeAssumption;

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.TypinferenzException;
import typinferenz.assumptions.TypeAssumptions;




// ino.class.Block.25037.declaration 
public class Block extends Statement
// ino.end
// ino.class.Block.25037.body
{
    
    // ino.method.Block.25041.definition 
    public Block()
    // ino.end
    // ino.method.Block.25041.body 
    {
        super(-1,-1);
    }
    // ino.end


    // ino.attribute.parserlog.25044.declaration 
    protected static Logger parserlog = Logger.getLogger("parser");
    // ino.end
    
    // ino.attribute.statements.25047.declaration 
    public Vector<Statement> statements = new Vector<Statement>();
    // ino.end
    // ino.attribute.HashTabelleKlasse.25050.declaration 
    private Hashtable HashTabelleKlasse;
    // ino.end
    // ino.attribute.HashTabelleBlock.25053.declaration 
    private Hashtable<String,String> HashTabelleBlock;
    // ino.end
    // ino.attribute.block_para.25056.declaration 
    private Hashtable<String,Hashtable> block_para;
    // ino.end

    //private String sc_meth_ret_type;
    // ino.attribute.inferencelog.25059.decldescription type=javadoc
    /**
     * Logger: log4j
     */
    // ino.end
    // ino.attribute.inferencelog.25059.declaration 
    protected static Logger inferencelog = Logger.getLogger("inference");
    // ino.end
    protected static Logger typinferenceLog = Logger.getLogger("Typeinference");
    
    
    
    // ino.method.get_Statement.25065.definition 
    public Vector<Statement> get_Statement()
    // ino.end
    // ino.method.get_Statement.25065.body 
    {
        return statements;
    }
    // ino.end
    
    
    
    // ino.method.set_Statement.25068.definition 
    public void set_Statement(Statement s)
    // ino.end
    // ino.method.set_Statement.25068.body 
    {
        statements.addElement(s);
    }
    // ino.end
    
    
    
    // ino.method.set_Statement_Vector.25071.definition 
    public void set_Statement_Vector(Vector<Statement> v)
    // ino.end
    // ino.method.set_Statement_Vector.25071.body 
    {
        statements = v;
    }
    // ino.end
    
    
    
    // ino.method.codegen.25074.definition 
    public void codegen(ClassFile classfile, CodeAttribute code, Vector paralist)
    throws JVMCodeException
    // ino.end
    // ino.method.codegen.25074.body 
    {
        for(int i = 0; i < statements.size(); i++)
        {
            statements.elementAt(i).codegen(classfile, code, paralist);
        }
    }
    // ino.end



    /////////////////////////////////////////////////////////////////////////
    // TypeReconstructionAlgorithmus
    /////////////////////////////////////////////////////////////////////////



    // ino.method.toString.25083.defdescription type=javadoc
    /**
     * <br/>Author: Martin Pl�micke
     * @return
     */
    // ino.end
    // ino.method.toString.25083.definition 
    public String toString()
    // ino.end
    // ino.method.toString.25083.body 
    {
        return this.type + " { " + statements.toString();
    }
    // ino.end


    // ino.method.wandleRefTypeAttributes2GenericAttributes.25086.defdescription type=javadoc
    /**
     * In allen lokalen Variablendeklarationen die "falschen" RefTypes ersetzen
     * @param paralist
     * @param genericMethodParameters
     */
    // ino.end
    // ino.method.wandleRefTypeAttributes2GenericAttributes.25086.definition 
    public void wandleRefTypeAttributes2GenericAttributes(Vector<Type> paralist, Vector<GenericTypeVar> genericMethodParameters)
    // ino.end
    // ino.method.wandleRefTypeAttributes2GenericAttributes.25086.body 
    {
        if(statements==null) 
            return;
        
        for(int i=0;i<statements.size();i++){
            statements.elementAt(i).wandleRefTypeAttributes2GenericAttributes(paralist,genericMethodParameters);            
        }
        
    }
    // ino.end
    
    public void addOffsetsToAssumption(CTypeAssumption localAssumption, String NameVariable,boolean isMemberVariable)
    {
    	for(Object vectorObjekt : this.statements) //durchlaufe alle Statements dieses Blocks
        {
          if(vectorObjekt instanceof Block) //Bei Block
           {
              Block b = (Block)vectorObjekt;
              b.addOffsetsToAssumption(localAssumption,NameVariable,isMemberVariable);//rekursiver Aufruf   
           }
          else 
          {   
              String Name_Superklasse = vectorObjekt.getClass().getSuperclass().getSimpleName();
              if(Name_Superklasse.equals("Statement"))  //Bei Statement
                {
                  Statement s = (Statement)vectorObjekt;
                  try{
                  if(s.addOffsetsToStatement(localAssumption,NameVariable,isMemberVariable)==false)
                  {break;}}
                  catch(NullPointerException NPE){}
                }
              else if(Name_Superklasse.equals("Expr") || Name_Superklasse.equals("BinaryExpr") || Name_Superklasse.equals("UnaryExpr"))  //Bei Expression
                {
                  Expr e = (Expr)vectorObjekt;
                  try{
                  e.addOffsetsToExpression(localAssumption,NameVariable,isMemberVariable);}
                  catch(NullPointerException NPE){}         
               }
          } 
        }
    }
    
    public boolean addOffsetsToStatement(CTypeAssumption localAssumption, String NameVariable, boolean isMemberVariable)
    {
    	addOffsetsToAssumption(localAssumption,NameVariable,isMemberVariable);
    	return true;
    }


    @Override
	public ConstraintsSet TYPEStmt(TypeAssumptions assumptions) {
		ConstraintsSet ret = new ConstraintsSet();
/*		this.setTypeVariable(TypePlaceholder.fresh(this)); */
		for(Statement stmt : statements){
			typinferenceLog.debug("Prozessing statement: "+stmt);
			ret.add(stmt.TYPEStmt(assumptions));
/*			if((stmt instanceof Return)){
				ret.add(new Constraint(stmt.getTypeVariable(), this.getTypeVariable()));//TODO: Dies nochmal prüfen.
			}
*/
		} 
		if(statements.size()>0){
			Statement stmt = statements.elementAt(statements.size()-1);
			typinferenceLog.debug("Prozessing statement: "+stmt);
			this.setTypeVariable(stmt.getTypeVariable());
			for(int i= statements.size()-2; i >= 0; i--) {
				stmt = statements.elementAt(i);
				typinferenceLog.debug("Prozessing statement: "+stmt);
				if (!(stmt.getTypeVariable() instanceof Void))
					if (this.getTypeVariable() instanceof Void) {
						//this.setTypeVariable(stmt.getTypeVariable());
						throw new TypinferenzException("Falscher Return Type");
					}
					else {
						TypePlaceholder tph = TypePlaceholder.fresh(this);
						ret.add(new SingleConstraint(this.getTypeVariable(), tph));
						ret.add(new SingleConstraint(stmt.getTypeVariable(), tph));
						this.setTypeVariable(tph);
					}
			}
			if (this.type instanceof TypePlaceholder) {
				((TypePlaceholder)this.type).addReplacementListener(this);
			}
		}else{
			this.setType(new Void(0));
		}
		return ret;
	}
    
    /*
	@Override
	public ConstraintsSet TYPEStmt(TypeAssumptions assumptions) {
		ConstraintsSet ret = new ConstraintsSet();
		if(this.getTypeVariable()==null)this.setTypeVariable(TypePlaceholder.fresh(this));
		for(Statement stmt : statements){
			typinferenceLog.debug("Prozessing statement: "+stmt);
			ret.add(stmt.TYPEStmt(assumptions));
			if((stmt instanceof Return)){
				ret.add(new Constraint(stmt.getTypeVariable(), this.getTypeVariable()));//TODO: Dies nochmal prüfen.
			}
		}
		return ret;
	}
     */


	public void replaceType(CReplaceTypeEvent e) {
		super.replaceType(e);
	}

	@Override
	public String getTypeInformation(){
		String ret = "\n";
		for(Statement s : this.get_Statement()){
			ret += s.getTypeInformation()+"\n";
		}
		return ret;
	}
	

	public int getTypeLineNumber() {
		throw new NotImplementedException();
	}



	public JavaCodeResult printJavaCode(ResultSet resultSet) {
		JavaCodeResult ret = new JavaCodeResult().attach("{\n");
		for(Statement stmt : this.get_Statement()){
			ret.attach(stmt.printJavaCode(resultSet));
			ret.attach((stmt instanceof ExprStmt ? ";" : "") + "\n");
		}
		return ret.attach("}");

	}
}
// ino.end