JavaPatternMatching/src/mycompiler/mystatement/CastExpr.java

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2013-10-18 11:33:46 +00:00
// ino.module.CastExpr.8627.package
package mycompiler.mystatement;
// ino.end
// ino.module.CastExpr.8627.import
import java.util.Hashtable;
import java.util.Iterator;
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.mytypereconstruction.CSupportData;
import mycompiler.mytypereconstruction.CTriple;
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 typinferenz.ConstraintsSet;
import typinferenz.JavaCodeResult;
import typinferenz.ResultSet;
import typinferenz.TypeAssumptions;
// ino.class.CastExpr.25126.declaration
public class CastExpr extends UnaryExpr
// ino.end
// ino.class.CastExpr.25126.body
{
// ino.method.CastExpr.25130.definition
public CastExpr(int offset,int variableLength)
// ino.end
// ino.method.CastExpr.25130.body
{
super(offset,variableLength);
}
// ino.end
// ino.attribute.type.25133.declaration
private Type type;
// ino.end
// ino.attribute.expr.25136.declaration
public Expr expr;
// ino.end
// ino.attribute.parserlog.25139.declaration
protected static Logger parserlog = Logger.getLogger("parser");
// ino.end
// ino.method.sc_check.25142.definition
public 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.25142.body
{
if(ext)
parserlog.debug(" ---CastExpr---");
SCStatementException except=null;
if(ext)
parserlog.debug("CastExpr.sc_check() berechnet Typ von expr und ceckt kompatibilitaet");
try
{
expr.sc_check(classname, ch, bh, ext, parach, parabh);
}
catch(SCStatementException ex)
{
except=ex;
}
if(this.type.getName() != expr.getTypeName())
{
if(ext)
parserlog.error("Typinkompatibilitaet - moeglicher Datenverlust --> CastExpr.sc_check() ");
SCExcept neu=new SCExcept();
neu.set_error("Typfehler");
neu.set_statement("ArrayAccess");
if(except==null)
except=new SCStatementException();
except.addException(neu);
}
if(except!=null)
throw except;
}
// ino.end
// ino.method.get_Name.25145.definition
public String get_Name()
// ino.end
// ino.method.get_Name.25145.body
{
return null;
}
// ino.end
// ino.method.set_Type.25148.definition
public void set_Type(Type ty)
// ino.end
// ino.method.set_Type.25148.body
{
this.type = ty;
}
// ino.end
// ino.method.set_Expr.25151.definition
public void set_Expr(Expr ex)
// ino.end
// ino.method.set_Expr.25151.body
{
this.expr = ex;
}
// ino.end
// ino.method.codegen.25154.definition
public void codegen(ClassFile classfile, CodeAttribute code, Vector paralist)
throws JVMCodeException
// ino.end
// ino.method.codegen.25154.body
{
int itype = JVMCode.get_nType(type.getName());
int iexpr = JVMCode.get_nType(expr.getTypeName());
if(itype != iexpr)
{
if((itype == 4) || (iexpr == 4))
{
throw new JVMCodeException("JVMCodeException: CastExpr: void codegen(ClassFile classfile, Code_attribute code)");
}
else
{
expr.set_Type(type);
code.add_code(JVMCode.n2n(expr.getTypeName(), type.getName()));
}
}
else if(itype == 4) expr.set_Type(type);
}
// ino.end
// ino.method.TRExp.25157.defdescription type=javadoc
/**
* Implementierung des Algorithmus 5.43 von Martin Pl<EFBFBD>micke
* <br>Author: J<EFBFBD>rg B<EFBFBD>uerle
* @param sigma
* @param V
* @param supportData
* @return
*/
// ino.end
// ino.method.TRExp.25157.definition
public CTripleSet TRExp(CSubstitutionSet sigma, CTypeAssumptionSet V, CSupportData supportData)
// ino.end
// ino.method.TRExp.25157.body
{
CTripleSet returnSet = new CTripleSet();
// --------------------------
// TRExpr f<>r Expr rufen:
// --------------------------
CTripleSet exprSet = expr.TRExp(sigma, V, supportData);
// --------------------------
// ReturnType der Triple <20>ndern:
// --------------------------
Iterator<CTriple> exprIt = exprSet.deepCopy().getIterator();
while(exprIt.hasNext()){
CTriple exprTriple = exprIt.next();
exprTriple.setResultType(this.type);
returnSet.addElement(exprTriple);
}
return returnSet;
}
// ino.end
// ino.method.TRStatement.25160.definition
public CTripleSet TRStatement(CSubstitutionSet sigma, CTypeAssumptionSet V, CSupportData supportData)
// ino.end
// ino.method.TRStatement.25160.body
{
throw CTypeReconstructionException.createNotImplementedException();
}
// ino.end
// ino.method.wandleRefTypeAttributes2GenericAttributes.25163.definition
public void wandleRefTypeAttributes2GenericAttributes(Vector<Type> paralist, Vector<GenericTypeVar> genericMethodParameters)
// ino.end
// ino.method.wandleRefTypeAttributes2GenericAttributes.25163.body
{
}
// ino.end
public void addOffsetsToExpression(CTypeAssumption localAssumption,String NameVariable,boolean isMemberVariable)
{
expr.addOffsetsToExpression(localAssumption,NameVariable,isMemberVariable);
}
@Override
public ConstraintsSet TYPEExpr(TypeAssumptions assumptions) {
// TODO Auto-generated method stub
return null;
}
@Override
public JavaCodeResult printJavaCode(ResultSet resultSet) {
return new JavaCodeResult("(("+this.usedid+")").attach(this.expr.printJavaCode(resultSet)).attach(")");
}
}
// ino.end