JavaPatternMatching/src/mycompiler/mystatement/Return.java

// ino.module.Return.8651.package 
package mycompiler.mystatement;
// ino.end
// ino.module.Return.8651.import 
import java.util.Hashtable;
import java.util.Vector;
import mycompiler.mybytecode.ClassFile;
import mycompiler.mybytecode.CodeAttribute;
import mycompiler.mybytecode.JVMCode;
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.mytypereconstruction.CSupportData;
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.TypeAssumptions;




// ino.class.Return.26150.declaration 
public class Return extends Statement
// ino.end
// ino.class.Return.26150.body
{
    // ino.method.Return.26154.definition 
    public Return(int offset,int variableLength)
    // ino.end
    // ino.method.Return.26154.body 
    {
        super(offset,variableLength);
    }
    // ino.end
    // ino.attribute.retexpr.26157.declaration 
    public Expr retexpr;
    // ino.end
    // ino.attribute.parserlog.26160.declaration 
    protected static Logger parserlog = Logger.getLogger("parser");
    // ino.end
    
    
    
    // ino.method.sc_check.26163.definition 
    void sc_check(Vector<Class> classname, Hashtable ch, Hashtable<String, String> bh, boolean ext, Hashtable parach, Hashtable<String, Hashtable> parabh)
    throws SCStatementException
    // ino.end
    // ino.method.sc_check.26163.body 
    {
    if(ext)
        parserlog.debug("                    ---Return---");
    SCStatementException excep=null;
    if(ext)
        parserlog.debug("Semantik-Check pr<70>ft Return-Anweisung");
    try
        {
        retexpr.sc_check(classname,ch,bh,ext, parach, parabh);
        }
    catch (SCStatementException ex)
        {
        excep=ex;
        }
    String gefordert;
    String ist;
    ist=get_Type();
    gefordert=(String)bh.get("###_Method_Ret_Type");
    parserlog.debug(ist+gefordert);
    if(!ist.equals(gefordert))
        {
        if(ext)
            parserlog.error("FEHLER: R<>ckgabewert hat anderen Typ als von Methode gefordert sc_check-->Return");
        SCExcept exc=new SCExcept();
        exc.set_error("R<EFBFBD>ckgabewert hat anderen Typ als von Methode gefordert!");
        exc.set_statement("Return");
        if(excep==null)
            excep = new SCStatementException();
        excep.addException(exc);
        }
    if(excep!=null)
        throw excep;
    }
    // ino.end

    // ino.method.set_ReturnExpr.26166.definition 
    public Return set_ReturnExpr(Expr ret)
    // ino.end
    // ino.method.set_ReturnExpr.26166.body 
    {
        this.retexpr=ret;
        return this;
    }
    // ino.end

    // ino.method.get_Type.26169.definition 
    public String get_Type()
    // ino.end
    // ino.method.get_Type.26169.body 
    {
    return retexpr.getTypeName();
    }
    // ino.end

    // ino.method.codegen.26172.definition 
    public void codegen(ClassFile classfile, CodeAttribute code, Vector paralist)
    throws JVMCodeException
    // ino.end
    // ino.method.codegen.26172.body 
    { 
    retexpr.codegen(classfile, code, paralist);
    code.add_code(JVMCode.nreturn(retexpr.getTypeName()));
    }
    // ino.end

    // ino.method.TRStatement.26175.defdescription type=javadoc
    /**
     * Implementierung des Algorithmus 5.22 von Martin Pl<EFBFBD>micke
     * <br>Author: J<EFBFBD>rg B<EFBFBD>uerle
     * @param sigma
     * @param V
     * @param supportData
     * @return
     * @throws CTypeReconstructionException
     */
    // ino.end
    // ino.method.TRStatement.26175.definition 
    public CTripleSet TRStatement(CSubstitutionSet sigma, CTypeAssumptionSet V, CSupportData supportData)
    throws CTypeReconstructionException
    // ino.end
    // ino.method.TRStatement.26175.body 
    {
        return retexpr.TRExp(sigma, V, supportData);
    }
    // ino.end
    
    // ino.method.toString.26178.definition 
    public String toString()
    // ino.end
    // ino.method.toString.26178.body 
    {
    return type + " Return " + retexpr.toString();
    }
    // ino.end
    // ino.method.wandleRefTypeAttributes2GenericAttributes.26181.definition 
    public void wandleRefTypeAttributes2GenericAttributes(Vector<Type> paralist, Vector<GenericTypeVar> genericMethodParameters)
    // ino.end
    // ino.method.wandleRefTypeAttributes2GenericAttributes.26181.body 
    {
    }
    // ino.end
    
    public boolean addOffsetsToStatement(CTypeAssumption localAssumption, String NameVariable, boolean isMemberVariable)
    {
    	retexpr.addOffsetsToExpression(localAssumption,NameVariable,isMemberVariable);
    	return true;
    }

	@Override
	public ConstraintsSet TYPEStmt(TypeAssumptions assumptions) {
		ConstraintsSet ret = new ConstraintsSet();
		ret.add(this.retexpr.TYPEExpr(assumptions));
		//this.setTypeVariable(TypePlaceholder.fresh("Return Type"));
		this.setTypeVariable(TypePlaceholder.fresh(this));
		ret.add(new SingleConstraint(retexpr.getTypeVariable(), this.getTypeVariable()));
		return ret;
	}

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

	public int getTypeLineNumber() {
		return 0;
	}

	@Override
	public String getTypeInformation(){
		String ret = this.getTypeVariable()+" :: (Return "+this.retexpr.getTypeInformation()+")";
		return ret;
	}

	@Override
	public JavaCodeResult printJavaCode(ResultSet resultSet) {
		JavaCodeResult ret = new JavaCodeResult("return ");
		ret.attach(this.retexpr.printJavaCode(resultSet));
		return ret.attach(";");
	}
	
}
// ino.end