JavaPatternMatching/src/de/dhbwstuttgart/syntaxtree/statement/LocalVarDecl.java

// ino.module.LocalVarDecl.8638.package 
package de.dhbwstuttgart.syntaxtree.statement;
// ino.end
// ino.module.LocalVarDecl.8638.import 
import java.util.Enumeration;
import java.util.Hashtable;
import java.util.Vector;

import mycompiler.mybytecode.ClassFile;
import mycompiler.mybytecode.CodeAttribute;
import mycompiler.myexception.JVMCodeException;
import mycompiler.myexception.SCExcept;
import mycompiler.myexception.SCStatementException;
import mycompiler.mytypereconstruction.CSupportData;
import mycompiler.mytypereconstruction.CTriple;
import mycompiler.mytypereconstruction.replacementlistener.CReplaceTypeEvent;
import mycompiler.mytypereconstruction.replacementlistener.ITypeReplacementListener;
import mycompiler.mytypereconstruction.set.CSubstitutionSet;
import mycompiler.mytypereconstruction.set.CTripleSet;
import mycompiler.mytypereconstruction.set.CTypeAssumptionSet;
import mycompiler.mytypereconstruction.typeassumption.CLocalVarTypeAssumption;
import mycompiler.mytypereconstruction.typeassumption.CTypeAssumption;

import org.apache.log4j.Logger;
// ino.end




















import de.dhbwstuttgart.core.MyCompiler;
import de.dhbwstuttgart.core.SyntaxTreeNode;
import de.dhbwstuttgart.syntaxtree.Class;
import de.dhbwstuttgart.syntaxtree.ClassHelper;
import de.dhbwstuttgart.syntaxtree.misc.DeclId;
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.FreshTypeVariable;
import de.dhbwstuttgart.typeinference.JavaCodeResult;
import de.dhbwstuttgart.typeinference.ResultSet;
import de.dhbwstuttgart.typeinference.SingleConstraint;
import de.dhbwstuttgart.typeinference.TypeInsertable;
import de.dhbwstuttgart.typeinference.assumptions.LocalVarAssumption;
import de.dhbwstuttgart.typeinference.assumptions.TypeAssumptions;
import de.dhbwstuttgart.typeinference.exceptions.TypeinferenceException;
import de.dhbwstuttgart.typeinference.typedeployment.TypeInsertPoint;




// ino.class.LocalVarDecl.25540.declaration 
public class LocalVarDecl extends Statement implements TypeInsertable
// ino.end
// ino.class.LocalVarDecl.25540.body
{
    // ino.method.LocalVarDecl.25545.definition 
    public LocalVarDecl(int offset,int variableLength)
    // ino.end
    // ino.method.LocalVarDecl.25545.body 
    {
        super(offset,variableLength);
    }
    // ino.end
    
    // ino.attribute.declid.25548.declaration 
    private Vector<DeclId> declid = new Vector<DeclId>();
    // ino.end
    // ino.attribute.paralist.25554.declaration 
    private Vector paralist = null;
    // ino.end
    // ino.attribute.parahash.25557.declaration 
    private Hashtable<String,Type> parahash = null;
    // ino.end
    // ino.attribute.inferencelog.25560.declaration 
    protected static Logger inferencelog = Logger.getLogger("inference");
    // ino.end
    // ino.attribute.parserlog.25563.declaration 
    protected static Logger parserlog = Logger.getLogger("parser");
    // ino.end
    // ino.attribute.block.25566.declaration 
    public Block block;
    // ino.end
    
    // ino.method.set_DeclId.25575.definition 
    public void set_DeclId(DeclId did)
    // ino.end
    // ino.method.set_DeclId.25575.body 
    {
        this.declid.addElement(did);
    }
    // ino.end

    // ino.method.get_Name.25578.definition 
    public String get_Name()
    // ino.end
    // ino.method.get_Name.25578.body 
    {
    DeclId hilf;
    hilf=declid.elementAt(0);
    return hilf.get_Name();
    }
    // ino.end
    // ino.method.set_ParaList.25581.definition 
    public void set_ParaList(Vector pl)
    // ino.end
    // ino.method.set_ParaList.25581.body 
    {
    this.paralist = pl;
    }
    // ino.end
    
    // ino.method.is_declared.25587.definition 
    public void is_declared(Type t, Vector<Class> classlist)
    throws SCStatementException
    // ino.end
    // ino.method.is_declared.25587.body 
    {
    boolean flag=false;
    for(Enumeration<Class> e = classlist.elements();e.hasMoreElements();){
        flag = false;   
        Class c = e.nextElement();
        
    //      System.out.println("is_init:  vergleiche "+t.get_Type_()+" mit "+c.get_classname());
        if(c.getName().equals(t.getName())){
    //      System.out.println("Klasse "+t.get_Type()+" im Vector classlist gefunden.");
        flag = true;
        break;
        }
    }
    
    if ( t instanceof RefType  )
    {
        if(((RefType)t).get_ParaList()!=null)
        {
            if( ((RefType)t).get_ParaList().size()>0)
            {
                for(Enumeration e1 = ((RefType)t).get_ParaList().elements();e1.hasMoreElements();)
                {
                try
                {
                    is_declared((Type)e1.nextElement(),classlist);
                }
                catch(SCStatementException ex)
                {
                    throw ex;
                }
                }
            }
        }
    }
    
    if(!flag)
    {
        SCStatementException ex = new SCStatementException();
        SCExcept e = new SCExcept();
        e.set_error("unbekannte Klasse "+t.getName()+".");
        e.set_function("complete_parahashtable() --> is_declared()");
        e.set_statement(t.getName());
        ex.addException(e);
        throw ex;
    }
    }
    // ino.end
    
    // ino.method.check_anz.25590.definition 
    public void check_anz(Type type, Vector paralist, Vector<Class> classlist)
    throws SCStatementException
    // ino.end
    // ino.method.check_anz.25590.body 
    {
    boolean flag = false;
    for(Enumeration<Class> e2 = classlist.elements();e2.hasMoreElements();){
        Class c = e2.nextElement();
    //      System.out.println("vergleiche "+type.get_Type_()+" mit "+c.getName());
        if(c.getName().equals(type.getName())){
    //      System.out.println("if(c.getName().equals(type.get_Type())){");
        if(c.get_ParaList().size()>0 && paralist!=null){
            
            parserlog.debug("Type "+type.getName()+" in classlist gefunden!");
            parserlog.debug("Anzahl der localvar.paralist:"+ paralist.size()+" class.paralist: (soll) "+c.get_ParaList().size());
            if(paralist.size()==c.get_ParaList().size()){   
            
            for(Enumeration e3=paralist.elements();e3.hasMoreElements();){
                Type t = (Type)e3.nextElement();
                parserlog.debug("Type "+t.getName()+" wird gerade untersucht");
                
                try
                {
                    if ( t instanceof RefType  )
                    {
                        check_anz(t, ((RefType)t).get_ParaList(),classlist);
                    }
                }
                catch(SCStatementException ex)
                {
                    throw ex;
                }
            }
            flag = true;
            parserlog.debug("flag gesetzt");
            break;
            }
            else{
            SCStatementException ex = new SCStatementException();
                SCExcept e = new SCExcept();
            e.set_error("Klasse "+c.getName()+" ist falsch parametrisiert!");
            e.set_function("complete_parahashtable() --> check_anz()");
            e.set_statement(type.getName());
            ex.addException(e);
            throw ex;
            }
        }
        else if(c.get_ParaList().size()==0 && paralist!=null){
            SCStatementException ex = new SCStatementException();
            SCExcept e = new SCExcept();
            e.set_error("Klasse "+c.getName()+" ist nicht parametrisierbar!");
            e.set_function("complete_parahashtable() --> check_anz()");
            e.set_statement(type.getName());
            ex.addException(e);
            throw ex;
        }
        else if(paralist==null && c.get_ParaList().size()>0){
            parserlog.debug(paralist);
            parserlog.debug(c.getName()+"  "+c.get_ParaList().size());
            SCStatementException ex = new SCStatementException();
            SCExcept e = new SCExcept();
            e.set_error("Klasse "+c.getName()+" <20>berhaupt garnicht parametrisiert!");
            e.set_function("complete_parahashtable() --> check_anz()");
            e.set_statement(type.getName());
            ex.addException(e);
            throw ex;
            
        }
        else{
            flag = true;
            parserlog.debug(type.getName()+" nicht parametrisierbar");
            break;
        }
        }
    }
        if(!flag)
    {
        SCStatementException ex = new SCStatementException();
            SCExcept e = new SCExcept();
        if ( type instanceof RefType )
        {
            e.set_error("Type " + type.getName()+ " falsche Parameter-Anzahl " + ((RefType)type).get_ParaList().size());
        }
        e.set_function("complete_parahashtable() --> check_anz()");
        e.set_statement(type.getName());
        ex.addException(e);
        throw ex;
    }
    
    }
    // ino.end
    
    



    // ino.method.codegen.25593.definition 
    public void codegen(ClassFile classfile, CodeAttribute code, Vector paralist)
    throws JVMCodeException
    // ino.end
    // ino.method.codegen.25593.body 
    {
    if(declid != null)
        for(int i = 0; i < declid.size(); i++) 
        declid.elementAt(i).codegen_LocalVarDecl(classfile, code, this.getType(), paralist); 
    }
    // ino.end
    // ino.method.getDeclidVector.25596.definition 
    public Vector<DeclId> getDeclidVector()
    // ino.end
    // ino.method.getDeclidVector.25596.body 
    {
        return declid;
    }
    // ino.end
    // ino.method.setDeclidVector.25599.definition 
    public void setDeclidVector(Vector<DeclId> declid)
    // ino.end
    // ino.method.setDeclidVector.25599.body 
    {
        this.declid = declid;
    }
    // ino.end

    // ino.method.getLineNumber.25602.defdescription type=javadoc
    /**
     * <br/>Author: J<EFBFBD>rg B<EFBFBD>uerle
     * @return
     */
    // ino.end
    // ino.method.getLineNumber.25602.definition 
    public int getLineNumber()
    // ino.end
    // ino.method.getLineNumber.25602.body 
    {
        if(declid.size()<=0)
            return MyCompiler.NO_LINENUMBER;
        else{
            return declid.elementAt(0).getLineNumber();
        }
    }
    // ino.end
    
    // ino.method.getOffset.25605.defdescription type=javadoc
    /**
     * <br/>Author: Thomas Hornberger
     * @return
     */
    // ino.end
    // ino.method.getOffset.25605.definition 
    public int getOffset()
    // ino.end
    // ino.method.getOffset.25605.body 
    {
        if(declid.size()<=0)
            return MyCompiler.NO_LINENUMBER;
        else{
            return declid.elementAt(0).getOffset();
        }
    }
    // ino.end


    // ino.method.replaceType.25608.defdescription type=javadoc
    /**
     * <br>Author: J<EFBFBD>rg B<EFBFBD>uerle
     * @param e
     */
    // ino.end
    // ino.method.replaceType.25608.definition 
    public void replaceType(CReplaceTypeEvent e)
    // ino.end
    // ino.method.replaceType.25608.body 
    {
    	if(e.getOldType().equals(this.getType())){
    		inferencelog.debug("Ersetze Typ in LocalVarDecl \""+this.get_Name()+"\"\n");
            if(getType() instanceof TypePlaceholder){
                ((TypePlaceholder)getType()).removeReplacementListener(this);
            }
            this.setType(e.getNewType());
    	}
        if(e.getOldType().equals(this.getType())){
        	inferencelog.debug("Ersetze Typ in LocalVarDecl \""+this.get_Name()+"\"\n");
            if(this.getType() instanceof TypePlaceholder){
                ((TypePlaceholder)this.getType()).removeReplacementListener(this);
            }
            this.setType(e.getNewType());
        }
    }
    // ino.end

    // ino.method.getTypeLineNumber.25611.defdescription type=javadoc
    /**
     * <br>Author: J<EFBFBD>rg B<EFBFBD>uerle
     * @return
     */
    // ino.end
    // ino.method.getTypeLineNumber.25611.definition 
    public int getTypeLineNumber()
    // ino.end
    // ino.method.getTypeLineNumber.25611.body 
    {
        return this.getLineNumber();
    }
    // ino.end
    
    // ino.method.TRStatement.25614.defdescription type=javadoc
    /**
     * Implementierung des Algorithmus 5.24 von Martin Pl<EFBFBD>micke
     * <br>Author: J<EFBFBD>rg B<EFBFBD>uerle
     * @param sigma
     * @param V
     * @param supportData
     * @return
     */
    // ino.end
    // ino.method.TRStatement.25614.definition 
    public CTripleSet TRStatement(CSubstitutionSet sigma, CTypeAssumptionSet V, CSupportData supportData)
    // ino.end
    // ino.method.TRStatement.25614.body 
    {
        CTripleSet resultSet = new CTripleSet();
        V = V.shallowCopy();
        CTypeAssumptionSet localSet = new CTypeAssumptionSet();
        CLocalVarTypeAssumption varAssum = new CLocalVarTypeAssumption(supportData.getCurrentClass(), supportData.getCurrentMethod(), supportData.getCurrentMethodParaCount(), supportData.getCurrentMethodOverloadedID(), supportData.getCurrentBlockId(), this.get_Name() ,this.getType(), this.getLineNumber(),this.getOffset(),new Vector<Integer>());
        Class.isFirstLocalVarDecl=true;
        
        if(this.block != null)
        	this.block.addOffsetsToAssumption(varAssum,this.get_Name(),false);//hinzugef<65>gt hoth: 07.04.2006 
        
        localSet.addElement(varAssum);
        V.unite(localSet);
        resultSet.addElement(new CTriple(sigma, new Void(getOffset()), V));
        return resultSet;
    }
    // ino.end
    
    // ino.method.toString.25617.defdescription type=javadoc
    /**
     * <br/>Author: Martin Pl<EFBFBD>micke
     * @return
     */
    // ino.end
    // ino.method.toString.25617.definition 
    public String toString()
    // ino.end
    // ino.method.toString.25617.body 
    {
    	if(this.getType() == null)return "no type " + declid.toString(); 
        return  this.getType().toString() + " " + declid.toString();
    }
    // ino.end
    // ino.method.wandleRefTypeAttributes2GenericAttributes.25620.definition 
    public void wandleRefTypeAttributes2GenericAttributes(Vector<Type> paralist, Vector<GenericTypeVar> genericMethodParameters)
    // ino.end
    // ino.method.wandleRefTypeAttributes2GenericAttributes.25620.body 
    {
    
        Type fpType=getType();
        // Nur wenn es sich um ein RefType-Field handelt
        Type pendantPara = null;
        if(fpType instanceof RefType)
        	pendantPara = ((RefType)fpType).findGenericType(paralist, new Vector<GenericTypeVar>());
        //GenericTypeVar pendantPara=ClassHelper.findGenericType(fpType,paralist,genericMethodParameters);
        if(pendantPara!=null){  //Wenn generisch, dann modifizieren
            setType(pendantPara);
        }                       
    
        
    }
    // ino.end
    
    public boolean addOffsetsToStatement(CTypeAssumption localAssumption, String NameVariable, boolean isMemberVariable)
    {
    	isMemberVariable=true;//hoth 02.05.06
        if(isMemberVariable)//Wenn Objektvariable 
        {
            if(this.get_Name().equals(NameVariable))
            {
                if(Class.isFirstLocalVarDecl==false)
                {return false;}//Wenn jetzt lokale Variable kommt, dann springe raus
                else
                {Class.isFirstLocalVarDecl=false;}
            }
        }
        return true;
    }

    /**
     * @author Andreas Stadelmeier, a10023
     * Der Typ der Variablendeklaration wird den Assumptions angef<EFBFBD>gt.
     * Bei einer Deklaration ohne Typangabe wird ein TypePlaceholder den Assumptions hinzugef<EFBFBD>gt.
     */
	@Override
	public ConstraintsSet TYPEStmt(TypeAssumptions assumptions) {
		ConstraintsSet ret = new ConstraintsSet();
		if((this.getType() instanceof RefType)){
			Type replaceType = null;
			replaceType = assumptions.getTypeFor((RefType)this.getType(), this);
			if(replaceType == null)
				throw new TypeinferenceException("Der Typ "+this.getType().getName()+" ist nicht korrekt",this);
			this.setType(replaceType);
		}
		assumptions.addAssumption(new LocalVarAssumption(this, this.getType())); //Bevor der Typ auf Void gesetzt wird.
		ret.add(new SingleConstraint(this.getType(), this.getType()));
		//assumptions.remove(null); // falls Variable mit diesem Namen bereits vorhanden.
		this.setReturnType(new Void(0)); //Return typ einer Variablendeklaration ist Void
		return ret;
	}

	@Override
	public void parserPostProcessing(SyntaxTreeNode parent) {
		super.parserPostProcessing(parent);
		if(this.getType()==null || this.getType() instanceof TypePlaceholder)this.setType(TypePlaceholder.fresh(this));
	}

	@Override
	public String getTypeInformation(){
		String ret = "VarDeclaration ";
		if(this.getType()!=null)ret+= this.getType().toString()+" ";
		ret+=this.get_Name();
		return ret;
	}

	@Override
	public JavaCodeResult printJavaCode(ResultSet resultSet) {
		JavaCodeResult ret = new JavaCodeResult();
		if(this.getType()!=null)ret.attach(getType().printJavaCode(resultSet)).attach(" ");
		ret.attach(this.get_Name()+";");
		return ret;}

	@Override
	public void setOffset(int offset) {
		this.offset = offset;
	}

	@Override
	public String getIdentifier() {
		return this.get_Name();
	}
	
	@Override
	public Vector<SyntaxTreeNode> getChildren() {
		Vector<SyntaxTreeNode> ret = new Vector<SyntaxTreeNode>();
		return ret;
	}

	@Override
	public TypeInsertPoint createTypeInsertPoint(TypePlaceholder tph,
			ResultSet resultSet) {
		return new TypeInsertPoint(this, this, resultSet.getTypeEqualTo(tph),resultSet);
	}
}
// ino.end