forked from JavaTX/JavaCompilerCore
1107 lines
40 KiB
Java
Executable File
1107 lines
40 KiB
Java
Executable File
// ino.module.Class.8553.package
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package de.dhbwstuttgart.syntaxtree;
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// ino.end
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// ino.module.Class.8553.import
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.Enumeration;
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import java.util.Hashtable;
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import java.util.Iterator;
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import java.util.LinkedList;
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import java.util.List;
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import javax.lang.model.element.Modifier;
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import org.apache.commons.bcel6.generic.ClassGen;
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import org.apache.commons.bcel6.generic.ConstantPoolGen;
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import org.apache.commons.bcel6.generic.InstructionFactory;
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import org.apache.commons.bcel6.generic.InstructionHandle;
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import org.apache.commons.bcel6.generic.InstructionList;
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import org.apache.commons.bcel6.generic.MethodGen;
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import de.dhbwstuttgart.logger.Logger;
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import de.dhbwstuttgart.logger.Section;
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import de.dhbwstuttgart.logger.SectionLogger;
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import de.dhbwstuttgart.bytecode.ClassGenerator;
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import de.dhbwstuttgart.bytecode.DHBWConstantPoolGen;
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import de.dhbwstuttgart.bytecode.DHBWInstructionFactory;
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import de.dhbwstuttgart.core.AClassOrInterface;
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import de.dhbwstuttgart.core.IItemWithOffset;
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import de.dhbwstuttgart.parser.JavaClassName;
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import de.dhbwstuttgart.syntaxtree.misc.DeclId;
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import de.dhbwstuttgart.syntaxtree.misc.UsedId;
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import de.dhbwstuttgart.syntaxtree.modifier.Modifiers;
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import de.dhbwstuttgart.syntaxtree.modifier.Static;
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import de.dhbwstuttgart.syntaxtree.statement.Block;
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import de.dhbwstuttgart.syntaxtree.statement.Expr;
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import de.dhbwstuttgart.syntaxtree.statement.Statement;
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import de.dhbwstuttgart.syntaxtree.statement.SuperCall;
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import de.dhbwstuttgart.syntaxtree.type.GenericTypeVar;
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import de.dhbwstuttgart.syntaxtree.type.RefType;
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import de.dhbwstuttgart.syntaxtree.type.SuperWildcardType;
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import de.dhbwstuttgart.syntaxtree.type.Type;
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import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
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import de.dhbwstuttgart.syntaxtree.type.WildcardType;
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import de.dhbwstuttgart.typeinference.*;
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import de.dhbwstuttgart.typeinference.assumptions.ClassAssumption;
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import de.dhbwstuttgart.typeinference.assumptions.TypeAssumptions;
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import de.dhbwstuttgart.typeinference.exceptions.DebugException;
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import de.dhbwstuttgart.typeinference.exceptions.NotImplementedException;
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import de.dhbwstuttgart.typeinference.exceptions.TypeinferenceException;
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import de.dhbwstuttgart.typeinference.typedeployment.TypeInsertPoint;
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import de.dhbwstuttgart.typeinference.unify.Unify;
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import org.apache.commons.bcel6.generic.*;
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import org.apache.commons.bcel6.classfile.*;
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import org.apache.commons.bcel6.*;
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import java.io.*;
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// ino.class.Class.23010.declaration
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public class Class extends GTVDeclarationContext implements AClassOrInterface, IItemWithOffset, Generic, GenericTypeInsertable
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// ino.end
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// ino.class.Class.23010.body
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{
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/**
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* Log4j - Loggerinstanzen
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*/
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protected static Logger inferencelog = Logger.getLogger("inference");
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protected static Logger codegenlog = Logger.getLogger("codegen");
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protected static Logger parserlog = Logger.getLogger("parser");
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protected UsedId pkgName;
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protected Modifiers modifiers;
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protected String name;
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/**
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*
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* @param resultSet - Fehlende Typen im Syntaxbaum werden nach diesem ResultSet aufgelöst
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* @return
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*/
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public ByteCodeResult genByteCode(TypeinferenceResults typeinferenceResults) {
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InstructionFactory _factory;
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DHBWConstantPoolGen _cp;
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ClassGenerator _cg;
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Menge<ByteCodeResult> results = new Menge<ByteCodeResult>();
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SectionLogger logger = Logger.getSectionLogger(this.getClass().getName(), Section.CODEGEN);
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logger.debug("Test");
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if(pkgName != null)throw new NotImplementedException();
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short constants = Constants.ACC_PUBLIC; //Per Definition ist jede Methode public
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_cg = new ClassGenerator(name, this.getSuperClass(), name + ".java", constants , new String[] { }, typeinferenceResults); //letzter Parameter sind implementierte Interfaces
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_cp = _cg.getConstantPool();
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_factory = new DHBWInstructionFactory(_cg, _cp);
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//Die Felder in Methoden Felder und Konstruktoren aufteilen:
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Menge<FieldDeclaration> fieldDeclarations = new Menge<>();
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Menge<Constructor> constructors = new Menge<>();
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Menge<Method> methods = new Menge<>();
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for(Field field : this.fielddecl){
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if(field instanceof Constructor)constructors.add((Constructor)field);
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if(field instanceof Method && ! (field instanceof Constructor))methods.add((Method)field);
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if(field instanceof FieldDeclaration)fieldDeclarations.add((FieldDeclaration)field);
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//field.genByteCode(_cg);
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}
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//Zuerst die Methoden und Felder abarbeiten:
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for(Method m : methods){
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m.genByteCode(_cg, this);
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}
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InstructionList fieldInitializations = new InstructionList();
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for(FieldDeclaration f : fieldDeclarations){
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fieldInitializations.append(f.genByteCode(_cg, typeinferenceResults.getTypeReconstructions().firstElement()));
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}
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//Die Konstruktoren müssen die Feld initialisierungswerte beinhalten:
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for(Constructor c : constructors){
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c.genByteCode(_cg, fieldInitializations);
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}
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return new ByteCodeResult(_cg);
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}
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private Menge<Type> superif = new Menge<Type>();
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public UsedId getPackageName()
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{
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return pkgName;
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}
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public void setPackageName(UsedId pkgName)
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{
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this.pkgName = pkgName;
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}
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public JavaClassName getName()
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{
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return new JavaClassName((this.pkgName!=null ? this.pkgName.toString() +"." : "") +this.name);
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}
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public void setName(String strName)
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{
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name = strName;
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}
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public void setModifiers(Modifiers mod)
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{
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this.modifiers = mod;
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}
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public Modifiers getModifiers()
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{
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return this.modifiers;
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}
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/**
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* Liefert die AccessFlags fuer den Bytecode zurueck.
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*/
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public short getAccessFlags()
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{
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short ret = 0;
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if (modifiers != null) {
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ret = modifiers.calculate_access_flags();
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}
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return ret;
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}
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public Menge<Type> getSuperInterfaces()
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{
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return superif;
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}
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@Override
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public void setSuperInterfaces(Menge<Type> superif)
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{
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this.superif = superif;
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}
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// ino.attribute.superclassid.23014.decldescription type=line
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// private Status status;
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// ino.end
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// ino.attribute.superclassid.23014.declaration
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public UsedId superclassid = (SourceFile.READ_OBJECT_SUPERCLASSES_FROM_JRE?UsedId.createFromQualifiedName("Object",-1):null);
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// ino.end
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// ino.attribute.class_block.23020.decldescription type=line
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// private Class java;
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// ino.end
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// ino.attribute.class_block.23020.declaration
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private Block class_block;
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// ino.end
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// ino.attribute.paralist.23023.declaration
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//private Menge<Type> paralist = new Menge<Type>(); // Parameterliste 'class xy<para1, para2,...>{}' wird gespeichert
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// ino.end
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// ino.attribute.parahash.23026.declaration
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private Hashtable<String,String> parahash = new Hashtable<String,String>(); // parametrisierten Attrib. werden mit den Paramet.aus paralist verk.
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// ino.end
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// ino.attribute.isFirstLocalVarDecl.23029.declaration
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public static boolean isFirstLocalVarDecl; //Hilfsvariable fuer Offsets, hoth
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// ino.end
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//private Menge<GenericTypeVar> genericClassParameters=new Menge<GenericTypeVar>();
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// ino.attribute.containedTypes.23032.decldescription type=line
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// PL 05-07-30 eingefuegt. Vektor aller Typdeklarationen, die in der Klasse
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// vorkommen. Wird in der Studienarbeit von Andreas Stadelmeier nur für Verifizierung der Tests eingesetzt.
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// ino.end
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// ino.attribute.containedTypes.23032.declaration
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private Menge<Type> containedTypes = new Menge<Type>();
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// ino.end
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// ino.attribute.usedIdsToCheck.23035.declaration
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private Menge<UsedId> usedIdsToCheck = new Menge<UsedId>();
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// ino.end
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private TypeAssumptions typeAssumptions = null;//muss mit null Initialisiert werden. Darf nur über getTypeAssumptions abgerufen werden.
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// ino.attribute.parserlog.23038.declaration
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//protected Logger parselog = Logger.getLogger("parser");
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// ino.end
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protected Logger typinferenzLog = Logger.getLogger(Class.class.getName());
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private SyntaxTreeNode parent;
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private Menge<Field> fielddecl = new Menge<Field>();
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private GenericDeclarationList genericClassParameters;
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private int offset;
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private RefType superClass;
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// ino.method.Class.23041.definition
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public Class(String name, int offset)
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// ino.end
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// ino.method.Class.23041.body
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{
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this.name = name;
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if(name.equals("java.lang.Object")){
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superclassid=null;
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}
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this.offset = offset;
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if(!name.equals("Object") && !name.equals("java.lang.Object"))//Alle Klassen auÃer Object erben von Object:
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this.superClass = new Class("java.lang.Object", -1).getType();
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}
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// ino.end
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/**
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* Erstellt eine Klasse, welche nur für die Assumptions verwendet wird.
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* Sie enthält keine unnötigen Informationen, wie Offset oder ClassBody.
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* @param name
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* @param superClass
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* @param modifiers
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* @param supertypeGenPara - Eine Liste von Namen, welche die Generischen Parameter der Klasse darstellen.
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*/
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public Class(String name, RefType superClass, Modifiers modifiers, Menge<String> supertypeGenPara) {
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this(name,superClass,modifiers,0);
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if(supertypeGenPara == null)return;
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Menge<GenericTypeVar> gtvs = new Menge<>();
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for(Object gname : supertypeGenPara){
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if(gname instanceof String){
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GenericTypeVar newGTV=new GenericTypeVar((String)gname,this,0);
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gtvs.add(newGTV);
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}else if(gname instanceof GenericTypeVar){
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gtvs.add((GenericTypeVar) gname);
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}else{
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GenericTypeVar newGTV=new GenericTypeVar(gname.toString(),this,0);
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gtvs.add(newGTV);
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throw new RuntimeException(gname.toString());
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}
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}
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this.setGenericParameter(new GenericDeclarationList(gtvs,0));
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}
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public Class(String name, RefType superClass, Modifiers mod, int offset){
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this(name,mod,offset);
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if(superClass == null)this.superClass = new Class("java.lang.Object",-1).getType();
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else this.superClass = superClass;
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}
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// ino.method.Class.23044.definition
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public Class(String name, Modifiers mod, int offset)
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// ino.end
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// ino.method.Class.23044.body
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{
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this(name, offset);
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this.modifiers = mod;
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}
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// ino.end
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public Class(String name, Modifiers mod, ClassBody cb, Menge<Type> ct, Menge<UsedId> usedIdsToCheck,
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UsedId superclass, Menge<UsedId> superif, Menge<Type> paralist, int offset){
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this(name, mod, cb, ct, usedIdToRefType(superclass),usedIdToRefType(superif),paralist,offset);
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}
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public Class(String name, ClassBody cb, Menge<Type> ct,
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UsedId superclass, Menge<Type> superif, Menge<Type> paralist, int offset) {
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this(name,null,cb,ct,usedIdToRefType(superclass),superif,paralist,offset);
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}
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public Class(String name2, Modifiers modifiers2, ClassBody classBody,
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Menge<Type> containedTypes2, UsedId usedId,
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Menge<Type> typeMenge, Menge<Type> paraMenge, int offset2) {
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this(name2, modifiers2, classBody, containedTypes2, usedIdToRefType(usedId),typeMenge, paraMenge, offset2);
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}
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public Class(String name2, Modifiers object, ClassBody classBody,
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Menge<Type> containedTypes2, Menge<Type> typeMenge,
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Menge<Type> paraMenge, int offset2) {
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this(name2, object, classBody, containedTypes2,(RefType)null, typeMenge, paraMenge, offset2);
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}
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private static Menge<Type> usedIdToRefType(Menge<UsedId> superif2) {
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Menge<Type> ret = new Menge<>();
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for(UsedId id : superif2)ret.add(usedIdToRefType(id));
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return ret;
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}
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private static RefType usedIdToRefType(UsedId superclass2) {
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RefType ret = new RefType(superclass2.getSimpleName(), null, superclass2.getOffset());
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ret.set_ParaList(superclass2.get_ParaList());
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return ret;
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}
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// ino.method.Class.23047.defdescription type=javadoc
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/**
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* Konstruktor, der die Angabe aller Parameter ermoeglicht.
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* Zur Uebersichtlichkeit in der Grammatik.
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*/
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// ino.end
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// ino.method.Class.23047.definition
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public Class(String name, Modifiers mod, ClassBody cb, Menge<Type> ct,
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RefType superclass, Menge<Type> Menge, Menge<? extends Type> paralist, int offset)
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// ino.end
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// ino.method.Class.23047.body
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{
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this(name,offset);
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this.modifiers = mod;
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if (cb != null) set_ClassBody(cb);
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if (ct != null) setContainedTypes(ct);
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if (superclass != null){
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this.superClass = superclass;
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}
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if (Menge != null) setSuperInterfaces(Menge);
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if (paralist != null && !paralist.isEmpty()){
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Type lastPara = paralist.lastElement();
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Integer lastItemOffset = lastPara.getOffset() + lastPara.get_Name().length();
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this.setGenericParameter(new GenericDeclarationList((Menge<GenericTypeVar>)paralist, lastItemOffset));
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/*
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//this.set_ParaList(paralist);
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Menge<GenericTypeVar> gtvList = new Menge<>();
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int lastItemOffset = 0;
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for(Type paraT : paralist){
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GenericTypeVar gtv = new GenericTypeVar(paraT.get_Name(),this, paraT.getOffset());
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gtvList.add(gtv);
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lastItemOffset = paraT.getOffset() + paraT.get_Name().length();
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}
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this.genericClassParameters = new GenericDeclarationList(gtvList, lastItemOffset);
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*/
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}
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if(usedIdsToCheck!=null) this.usedIdsToCheck=usedIdsToCheck;
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// HOTI 10.5.06
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// Object darf natuerlich nicht Object als Superklasse haben
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// Sonst gibt es eine endlosaufloesung
|
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if(name.equals("java.lang.Object")){
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superclassid=null;
|
||
}
|
||
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//parserlog.debug("Neue Klasse: " + name);
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}
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// ino.end
|
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public Menge<Field> getFields()
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{
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return fielddecl;
|
||
}
|
||
|
||
/**
|
||
* @author Andreas Stadelmeier, a10023
|
||
* Fügt der Klasse eine Feld hinzu.
|
||
* Prüft dabei, ob es sich um einen Constructor handelt und wandelt diesen direkt um.
|
||
* @param feld
|
||
*/
|
||
public void addField(Field i)
|
||
{
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||
|
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fielddecl.addElement(i);
|
||
}
|
||
|
||
// ino.method.getUsedIdsToCheck.23050.definition
|
||
public Menge<UsedId> getUsedIdsToCheck()
|
||
// ino.end
|
||
// ino.method.getUsedIdsToCheck.23050.body
|
||
{
|
||
return usedIdsToCheck;
|
||
}
|
||
// ino.end
|
||
// ino.method.setContainedTypes.23053.definition
|
||
public void setContainedTypes(Menge<Type> containedTypes)
|
||
// ino.end
|
||
// ino.method.setContainedTypes.23053.body
|
||
{
|
||
this.containedTypes = containedTypes;
|
||
}
|
||
// ino.end
|
||
|
||
// ino.method.getContainedTypes.23056.definition
|
||
public Menge<Type> getContainedTypes()
|
||
// ino.end
|
||
// ino.method.getContainedTypes.23056.body
|
||
{
|
||
return containedTypes;
|
||
}
|
||
// ino.end
|
||
|
||
/*
|
||
// ino.method.complete_paralist.23062.definition
|
||
public Menge<Type> complete_paralist(boolean ext)
|
||
// ino.end
|
||
// ino.method.complete_paralist.23062.body
|
||
{
|
||
|
||
//Diese Funktion vervollt�ndigt die Parameterliste f�r vererbte Klassen
|
||
Menge<Type> child = paralist;
|
||
|
||
paralist = (Menge<Type>)superclassid.get_ParaList();
|
||
|
||
for(Enumeration<Type> e = child.elements();e.hasMoreElements();){
|
||
paralist.addElement(e.nextElement());
|
||
}
|
||
|
||
return this.paralist;
|
||
}
|
||
// ino.end
|
||
*/
|
||
|
||
|
||
/**
|
||
* Generiert die ClassFile für diese Klasse.
|
||
* @param typeinferenceResult - Das ResultSet einer Typinferierung oder null, falls alle Typen eindeutig feststehen.
|
||
* @return
|
||
* @throws JVMCodeException
|
||
|
||
// ino.method.codegen.23071.definition
|
||
public ClassFile codegen(ResultSet typeinferenceResult)
|
||
throws JVMCodeException
|
||
// ino.end
|
||
// ino.method.codegen.23071.body
|
||
{
|
||
ClassFile classfile = new ClassFile();
|
||
String superClass;
|
||
|
||
// Handling der Superklasse
|
||
if(superclassid != null) {
|
||
superClass = superclassid.get_codegen_UsedId();
|
||
} else {
|
||
superClass = "java/lang/Object";
|
||
}
|
||
|
||
// Handling der Package
|
||
//String pkgName = "";
|
||
//if (sf.getPackageName() != null) {
|
||
// pkgName = sf.getPackageName().get_codegen_UsedId() + "/";
|
||
//}
|
||
|
||
//geändert von Andreas Stadelmeier: pkgName wird nicht mehr aus dem SourceFile ausgelesen:
|
||
String packageName = "";
|
||
if(pkgName != null) packageName = pkgName.get_Name_1Element();
|
||
classfile.add_class(getName(), superClass, getAccessFlags());
|
||
|
||
// Handling fuer Superinterfaces
|
||
classfile.addSuperInterfaces(getSuperInterfaces());
|
||
|
||
// Generics hinzufuegen - falls erforderlich
|
||
classfile.addGenerics(this.paralist,superclassid, this.getSuperInterfaces());
|
||
|
||
// Body der Classfile generieren
|
||
//if(body != null) {
|
||
this.codegen(classfile, this.paralist);
|
||
//}
|
||
|
||
// Ueberpruefung, ob Konstruktor generiert
|
||
// Falls nicht, default-Konstruktor erzeugen
|
||
if(!classfile.get_constructor_founded()) {
|
||
classfile.add_method("<init>", "()V", null, null, null, (short)0, this.paralist, false);
|
||
}
|
||
|
||
//classfile.codegen();
|
||
|
||
codegenlog.info("Compilierung erfolgreich abgeschlossen, "+ getName() + ".class erstellt.");
|
||
return classfile;
|
||
}
|
||
*/
|
||
|
||
public void set_UsedId (UsedId uid)
|
||
// ino.end
|
||
// ino.method.set_UsedId.23074.body
|
||
{
|
||
this.superclassid = uid;
|
||
}
|
||
// ino.end
|
||
|
||
/**
|
||
* Setzt den ClassBody dieser Klasse. Wird zum Parsen benötigt.
|
||
* Der ClassBody enthält sämtliche Felder dieser Klasse.
|
||
* Mit dem Aufruf dieser Methode werden alle Felder des ClassBody in diese Class übertragen.
|
||
* (Nur einmal während des Parsens aufrufen!)
|
||
*/
|
||
public void set_ClassBody(ClassBody body)
|
||
{
|
||
Menge<Field> tempFields=body.getFields();
|
||
for(Field f : this.getFields()){
|
||
|
||
if(f instanceof Method){ //Wenn es sich um eine Methode handelt ist eine zusätzliche Prüfung erfoderlich: (Ist es ein Konstruktor?)
|
||
Method m = (Method)f;
|
||
/*
|
||
* Ermitteln ob es sich bei der Methode um einen Konstruktor handelt:
|
||
* (Parser kann nicht zwischen Methode und Konstruktor unterscheiden.
|
||
* Denn für einen Konstruktor gelten besondere Regeln:
|
||
* -Typ des Blocks eines Konstruktor ist void (kein Return-Statement)
|
||
* -Rückgabetyp der Methode/Konstruktors ist der Typ der Klasse
|
||
* -Ein Konstruktor kann nicht aufgerufen werden (nur mit new)
|
||
*/
|
||
if(m.get_Method_Name().equals("<init>"))throw new TypeinferenceException("<init> ist kein gültiger Methodenname", m);
|
||
if((m.get_Method_Name().equals(this.getName()))) {
|
||
Constructor constructor = new Constructor(m, this);
|
||
tempFields.add(constructor); //Den Konstruktor anstatt der Methode anfügen
|
||
}else{
|
||
//Handelt es sich um keinen Konstruktor, dann die Methode unverändert den Feldern hinzufügen:
|
||
tempFields.add(m);
|
||
}
|
||
}else{
|
||
tempFields.add(f); //Ansonsten das Feld anfügen...
|
||
}
|
||
|
||
}
|
||
this.fielddecl = tempFields;
|
||
}
|
||
|
||
// ino.method.set_class_block.23080.definition
|
||
public void set_class_block(Block block)
|
||
// ino.end
|
||
// ino.method.set_class_block.23080.body
|
||
{
|
||
this.class_block = block;
|
||
}
|
||
// ino.end
|
||
|
||
|
||
|
||
// ino.method.get_Superclass_Name.23086.definition
|
||
public JavaClassName get_Superclass_Name()
|
||
// ino.end
|
||
// ino.method.get_Superclass_Name.23086.body
|
||
{
|
||
if(superclassid!=null)
|
||
return superclassid.getQualifiedName();
|
||
else
|
||
return null;
|
||
}
|
||
// ino.end
|
||
|
||
|
||
|
||
// ino.method.get_class_block.23092.definition
|
||
public Block get_class_block()
|
||
// ino.end
|
||
// ino.method.get_class_block.23092.body
|
||
{
|
||
return class_block;
|
||
}
|
||
// ino.end
|
||
|
||
// ino.method.does_Class_extend.23095.definition
|
||
public boolean does_Class_extend()
|
||
// ino.end
|
||
// ino.method.does_Class_extend.23095.body
|
||
{
|
||
if(superclassid==null)
|
||
return false;
|
||
else
|
||
return true;
|
||
}
|
||
// ino.end
|
||
|
||
/*
|
||
// ino.method.set_ParaList.23098.definition
|
||
public void set_ParaList(Menge<Type> para)
|
||
// ino.end
|
||
// ino.method.set_ParaList.23098.body
|
||
{
|
||
this.paralist = para;
|
||
}
|
||
// ino.end
|
||
*/
|
||
|
||
// ino.method.get_ParaList.23101.definition
|
||
public Menge<? extends Type> get_ParaList()
|
||
// ino.end
|
||
// ino.method.get_ParaList.23101.body
|
||
{
|
||
//if(this.paralist == null)return new Menge<Type>();
|
||
return this.getGenericParameter();
|
||
}
|
||
// ino.end
|
||
|
||
// ino.method.set_ParaHash.23104.definition
|
||
public void set_ParaHash(Hashtable<String,String> hash)
|
||
// ino.end
|
||
// ino.method.set_ParaHash.23104.body
|
||
{
|
||
this.parahash = hash;
|
||
}
|
||
// ino.end
|
||
|
||
// ino.method.get_ParaHash.23107.definition
|
||
public Hashtable<String,String> get_ParaHash()
|
||
// ino.end
|
||
// ino.method.get_ParaHash.23107.body
|
||
{
|
||
return this.parahash;
|
||
}
|
||
|
||
/////////////////////////////////////////////////////////////////////////
|
||
// TypeReconstructionAlgorithmus
|
||
/////////////////////////////////////////////////////////////////////////
|
||
// ino.method.TRProg.23110.defdescription type=javadoc
|
||
/**
|
||
* Ausgangspunkt f�r den Typrekonstruktionsalgorithmus. Hier werden zun�chst
|
||
* die Mengen von Typannahmen V_fields_methods und V_i erstellt, die als Eingabe
|
||
* f�r den Algorithmus dienen.<br/>
|
||
* (siehe Algorithmus 5.17 TRProg, Martin Pl�micke)
|
||
* <br/>Author: J�rg B�uerle
|
||
* @param supportData
|
||
* @param globalAssumptions
|
||
* @return Liste aller bisher berechneten, m�glichen Typkombinationen
|
||
* @throws CTypeReconstructionException
|
||
*/
|
||
// ino.end
|
||
// ino.method.TRProg.23110.definition
|
||
public ConstraintsSet typeReconstruction(TypeAssumptions globalAssumptions)
|
||
// ino.end
|
||
// ino.method.TRProg.23110.body
|
||
{
|
||
/*
|
||
|
||
*/
|
||
//////////////////////////////
|
||
// Und los geht's:
|
||
//////////////////////////////
|
||
inferencelog.info("Rufe TRStart()...", Section.TYPEINFERENCE);
|
||
|
||
//////////////////////////////
|
||
// Ab hier ...
|
||
// @author A10023 - Andreas Stadelmeier:
|
||
//////////////////////////////
|
||
//Erzeuge Assumptions:
|
||
TypeAssumptions assumptions = this.getPrivateFieldAssumptions();
|
||
//Globale Assumptions anfügen:
|
||
assumptions.add(globalAssumptions);
|
||
|
||
ConstraintsSet oderConstraints = new ConstraintsSet();
|
||
|
||
for(Type gparam : this.get_ParaList()){
|
||
if(gparam instanceof GenericTypeVar)assumptions.add(((GenericTypeVar)gparam).createAssumptions()); //Constraints für die Generischen Variablen erstellen und diese dem AssumptionsSet hinzufügen
|
||
}
|
||
for(Type gparam : this.get_ParaList()){
|
||
if(gparam instanceof GenericTypeVar)oderConstraints.add(((GenericTypeVar)gparam).TYPE(assumptions)); //Constraints für die Generischen Variablen erstellen und diese dem AssumptionsSet hinzufügen
|
||
}
|
||
|
||
typinferenzLog.debug("Erstellte Assumptions: "+assumptions, Section.TYPEINFERENCE);
|
||
/*
|
||
//Generiere Liste mit Expressions, welche zur Initialisierung von Feldern verwendet werden.
|
||
Menge<Expr> fieldInitializers = new Menge<Expr>();
|
||
for(FieldDeclaration field : body.getFieldInitializations()){
|
||
Assign fieldAssign = new Assign(0,0);
|
||
Expr expr1 = new LocalOrFieldVar(field.getName(), 0);
|
||
Expr expr2 = field.getWert();
|
||
fieldAssign.set_Expr(expr1, expr2);
|
||
fieldInitializers.add(fieldAssign);
|
||
}
|
||
*/
|
||
|
||
//ConstraintsSet oderConstraints = this.TYPE(this.getMethodList(), fieldInitializers, assumptions);
|
||
|
||
//Gibt es hier eine ClassCastException stimmt etwas grundsätzlich nicht!
|
||
this.superClass = (RefType)this.superClass.TYPE(assumptions, this);
|
||
|
||
for(Field f:this.getFields()){
|
||
oderConstraints.add(f.TYPE(assumptions));
|
||
}
|
||
typinferenzLog.debug("Erstellte Constraints: "+oderConstraints, Section.TYPEINFERENCE);
|
||
|
||
return oderConstraints;
|
||
}
|
||
|
||
/**
|
||
* Ermittelt alle privaten Felder und Methoden der Klasse und Erstellt eine Assumption für diese.
|
||
* Bemerkung: Momentan werden noch alle Felder dieser Klasse zurückgegeben.
|
||
* @return Die erstellten TypeAssumptions
|
||
*/
|
||
private TypeAssumptions getPrivateFieldAssumptions() {
|
||
if(this.typeAssumptions != null)return this.typeAssumptions; //Das sorgt dafür, dass die Assumptions nur einmalig generiert werden.
|
||
TypeAssumptions assumptions = new TypeAssumptions(this.getName());
|
||
//this.getMethodList(); //Diese Funktion muss zuerst ausgeführt werden.
|
||
//Assumption für this, also die aktuelle Klasse: (ist nicht mehr nötig, da jedes AssumptionSet einer Klasse (dem namen einer Klasse) zugewiesen ist.
|
||
//CLocalVarTypeAssumption thisAssumption = new CLocalVarTypeAssumption(this.name, name, 0, 0, name, "this", new RefType(name,0), 0, 0, null);
|
||
//assumptions.setThisV(thisAssumption);
|
||
|
||
for(Field field : this.getFields()){
|
||
if(!field.isPublic())assumptions.add(field.createTypeAssumptions(this));
|
||
}
|
||
|
||
//Eine Assumption für den Standardkonstruktor:
|
||
// (Ein Standardkonstruktor wird immer angefügt, da es momentan keine statischen Klassen gibt)
|
||
//auskommentiert, da der Standardkonstruktor beim Parser-Postprocessing angefügt wird.
|
||
//if(assumptions.getMethodAssumptions(this.getName(), "<init>").size()==0){ //Falls kein Konstruktor für diese Klasse definiert wurde:
|
||
// assumptions.addMethodAssumption(new RefType(this.getName(),0), "<init>", new RefType(this.getName(),0), new Menge<CParaTypeAssumption>());
|
||
//}
|
||
|
||
this.typeAssumptions = assumptions; //Diese müssen anschlieÃend nicht wieder generiert werden.
|
||
return assumptions;
|
||
}
|
||
|
||
// ino.method.toString.23125.defdescription type=javadoc
|
||
/**
|
||
* <br/>Author: Martin Pl�micke
|
||
* @return
|
||
*/
|
||
// ino.end
|
||
// ino.method.toString.23125.definition
|
||
public String toString()
|
||
// ino.end
|
||
// ino.method.toString.23125.body
|
||
{
|
||
//return superclassid.toString() + body.toString();
|
||
//geaendert PL 07-07-28
|
||
return name;
|
||
}
|
||
// ino.end
|
||
|
||
|
||
// ino.method.wandleRefTypeAttributes2GenericAttributes.23128.defdescription type=javadoc
|
||
/**
|
||
* Alle Methoden der Klassen überprüfen, ob sie als
|
||
* RefType deklarierte Attribute haben, die aber GenericTypeVars sind
|
||
* und ggf. ersetzen
|
||
*
|
||
* Bsp.:
|
||
* bei public E elementAt(i){...} wird E vorerst als RefType erkannt
|
||
*
|
||
*/
|
||
// ino.end
|
||
// ino.method.wandleRefTypeAttributes2GenericAttributes.23128.definition
|
||
public void wandleRefTypeAttributes2GenericAttributes()
|
||
// ino.end
|
||
// ino.method.wandleRefTypeAttributes2GenericAttributes.23128.body
|
||
{
|
||
for(Field f : this.getFields()){
|
||
//f.wandleRefTypeAttributes2GenericAttributes(paralist);
|
||
}
|
||
}
|
||
|
||
/**
|
||
* HOTI
|
||
* Liefert bei Klassen die fullyQualified angegeben wurden
|
||
* nur den schlussendlichen Bezeichner
|
||
* p.ex. de.dhbwstuttgart.typeinference.Menge => Menge
|
||
* @return
|
||
*/
|
||
// ino.end
|
||
// ino.method.getSimpleName.23140.definition
|
||
public String getSimpleName()
|
||
// ino.end
|
||
// ino.method.getSimpleName.23140.body
|
||
{
|
||
return UsedId.createFromQualifiedName(getName().toString(),-1).getSimpleName();
|
||
}
|
||
// ino.end
|
||
|
||
public String getTypeInformation(Menge<Method> methodList, Menge<Expr> fieldList){
|
||
String ret = this.name+": ";
|
||
for(Expr field : fieldList){
|
||
ret+=field.getTypeInformation()+"\n";
|
||
}
|
||
for(Method m : methodList){
|
||
ret+=m.getTypeInformation()+"\n";
|
||
}
|
||
return ret;
|
||
}
|
||
|
||
|
||
/**
|
||
* Generiert den JavaCode dieser Klasse im Falle für das übergebene resultSet.
|
||
* Dem ResultSet entsprechend werden in diesem Java-Code die TypePlaceholder durch die in ResultSet stehenden Typen ersetzt.
|
||
* @return Java-Sourcefile
|
||
*/
|
||
public String printJavaCode(TypeinferenceResultSet reconstructionResult){
|
||
JavaCodeResult ret = new JavaCodeResult("class ");
|
||
|
||
JavaCodeResult classBodyCode = new JavaCodeResult();
|
||
if(this.modifiers!=null)classBodyCode.attach(this.modifiers.printJavaCode(reconstructionResult.getUnifiedConstraints())).attach(" ");
|
||
|
||
classBodyCode.attach(this.name + " extends ").attach(superclassid.printJavaCode(reconstructionResult.getUnifiedConstraints())).attach("\n");
|
||
|
||
JavaCodeResult bodyString = new JavaCodeResult("{\n");
|
||
for(Field field : this.fielddecl)bodyString.attach( field.printJavaCode(reconstructionResult.getUnifiedConstraints()) ).attach( "\n" );
|
||
bodyString.attach("}\n");
|
||
|
||
classBodyCode.attach(bodyString);
|
||
|
||
//Zuerst die generischen Parameter für diese Klasse berechnen:
|
||
//this.createGenericTypeVars(classBodyCode.getUnresolvedTPH());
|
||
|
||
if(this.genericClassParameters != null && this.genericClassParameters.size()>0){
|
||
ret.attach("<");
|
||
|
||
Iterator<GenericTypeVar> it = this.genericClassParameters.iterator();
|
||
while(it.hasNext()){
|
||
GenericTypeVar tph = it.next();
|
||
ret.attach(tph.printJavaCode(reconstructionResult.getUnifiedConstraints()));
|
||
if(it.hasNext())ret.attach(", ");
|
||
}
|
||
ret.attach(">");
|
||
}
|
||
|
||
String stringReturn = ret.attach(classBodyCode).toString();
|
||
|
||
return stringReturn;
|
||
}
|
||
|
||
/**
|
||
* Errechnet die Generischen Parameter der Klasse für diese Klasse.
|
||
* Die berechneten Variablen werden anschlieÃend in die this.genericTypeVars eingesetzt. Dabei werden alte genericTypeVars überschrieben.
|
||
* @param tphs : Alle übriggebliebenen TypePLaceholder
|
||
|
||
private void createGenericTypeVars(Menge<TypePlaceholder> tphs){
|
||
this.genericClassParameters = new GenericDeclarationList(new Menge<GenericTypeVar>());
|
||
for(TypePlaceholder tph : tphs){
|
||
GenericTypeVar toAdd = new GenericTypeVar(tph,this.getOffset());
|
||
if(!this.genericClassParameters.contains(toAdd))this.genericClassParameters.add(toAdd);
|
||
}
|
||
}
|
||
*/
|
||
/**
|
||
* Errechnet die Generischen Parameter der Klasse für diese Klasse.
|
||
* Die berechneten Variablen werden anschlieÃend in die this.genericTypeVars eingesetzt. Dabei werden alte genericTypeVars überschrieben.
|
||
* @param reconstructionResult
|
||
|
||
public void createGenericTypeVars(TypeinferenceResultSet reconstructionResult){
|
||
this.genericClassParameters = new Menge<GenericTypeVar>();
|
||
for(Pair pair : reconstructionResult.getUnifiedConstraints()){
|
||
if(pair.TA2 instanceof TypePlaceholder && pair.TA1 instanceof TypePlaceholder){// if(pair.OperatorSmallerExtends() || pair.OperatorSmaller()){
|
||
Type ta1=reconstructionResult.getUnifiedConstraints().getTypeEqualTo(pair.TA1);
|
||
Type ta2=reconstructionResult.getUnifiedConstraints().getTypeEqualTo(pair.TA2);
|
||
this.genericClassParameters.add(new GenericTypeVar(new Pair(ta1,ta2),this.getOffset()));
|
||
}
|
||
}
|
||
|
||
for(Pair pair : reconstructionResult.getConstraints()){
|
||
if( ! reconstructionResult.getUnifiedConstraints().contains(pair.TA1)){
|
||
this.genericClassParameters.add(new GenericTypeVar(pair.TA1,this.getOffset()));
|
||
}
|
||
if( ! reconstructionResult.getUnifiedConstraints().contains(pair.TA2)){
|
||
this.genericClassParameters.add(new GenericTypeVar(pair.TA2, this.getOffset()));
|
||
}
|
||
}
|
||
}
|
||
*/
|
||
|
||
public int getOffset(){
|
||
return this.offset;
|
||
}
|
||
|
||
/**
|
||
* Erstellt einen RefType, welcher auf diese Klasse verweist
|
||
* Ersetzt alle Generischen Variablen in der Parameterliste mit TPH
|
||
* @return
|
||
*/
|
||
public RefType getType() {
|
||
/*
|
||
Menge<Type> parameter = new Menge<Type>();
|
||
for(Type param : this.get_ParaList()){
|
||
parameter.add(((GenericTypeVar)param).getTypePlaceHolder());//(TypePlaceholder.fresh()); //Hier ist kein ReplacementListener notwendig. Der Typ soll nie eingesetzt werden. Der TPH wird nur gebraucht, damit das Unifizieren funktioniert.
|
||
}
|
||
*/
|
||
return new RefType(this.getName().toString(), this.get_ParaList(),this, 0);
|
||
}
|
||
|
||
|
||
/**
|
||
* Ermittelt die Sichtbaren Felder und Methoden der Klasse.
|
||
* (Momentan sind im Projekt alle Felder und Methoden "package private", da der Parser keine Access-Modifier einlesen kann.
|
||
* @return
|
||
*/
|
||
public TypeAssumptions getPublicFieldAssumptions() {
|
||
TypeAssumptions ret = new TypeAssumptions();//this.getPrivateFieldAssumptions();
|
||
ret.addClassAssumption(new ClassAssumption(this));
|
||
for(Field f : this.getFields()){
|
||
if(f.isPublic())ret.add(f.createTypeAssumptions(this));
|
||
}
|
||
for(GenericTypeVar gtv : this.getGenericParameter()){
|
||
ret.add(gtv.createAssumptions());
|
||
}
|
||
return ret;
|
||
}
|
||
|
||
@Override
|
||
public void parserPostProcessing(SyntaxTreeNode parent) {
|
||
//Wenn keine Superklasse, dann erbt die Klasse zwangsweise von Object:
|
||
if(superclassid == null || superclassid.get_Name().size()<1){
|
||
int superclassidOffset = superclassid == null ? 0 : superclassid.getOffset();
|
||
superclassid = new UsedId("Object", superclassidOffset);
|
||
}
|
||
|
||
//Alle Methoden auf Konstruktoren durchsuchen und diese umwandeln:
|
||
Menge<Field> tempFields = new Menge<Field>();
|
||
for(Field f : this.getFields()){
|
||
if(f instanceof Method && !(f instanceof Constructor)){ //Der Check, ob f ein Konstruktor ist eigentlich obsolet, da der Parser keinen Konstruktor generiert
|
||
Method method = (Method)f;
|
||
if(method.get_Method_Name().equals(this.getName().toString()) ){
|
||
tempFields.add(new Constructor(method, this));
|
||
}else{
|
||
tempFields.add(f);
|
||
}
|
||
}else{
|
||
tempFields.add(f);
|
||
}
|
||
}
|
||
this.fielddecl = tempFields;
|
||
|
||
//Prüfen ob ein Konstruktor vorhanden ist:
|
||
boolean constructorVorhanden = false;
|
||
for(Field f : this.getFields()){
|
||
if(f instanceof Constructor){
|
||
constructorVorhanden = true;
|
||
break;
|
||
}
|
||
}
|
||
if(!constructorVorhanden){//Falls kein Konstruktor vorhanden ist, muss noch der Standardkonstruktor angefügt werden:
|
||
Block konstruktorBlock = new Block();
|
||
konstruktorBlock.statements.add(new SuperCall(konstruktorBlock));
|
||
Constructor standardKonstruktor = new Constructor(Method.createEmptyMethod(konstruktorBlock,this.getName().toString(), this), this);
|
||
//Constructor standardKonstruktor = new Constructor(Method.createEmptyMethod(this.getName().toString(), this));
|
||
|
||
this.addField(standardKonstruktor);
|
||
}
|
||
|
||
if(this.genericClassParameters == null)this.setGenericParameter(new GenericDeclarationList(new Menge<GenericTypeVar>(), 0));
|
||
/*//Nicht mehr notwendig, Generische Klassenparameter werden nun immer direkt in die genericClassParameters gespeichert.
|
||
for(Type t : this.get_ParaList()){
|
||
if(t instanceof GenericTypeVar)this.genericClassParameters.add((GenericTypeVar)t);
|
||
else this.genericClassParameters.add(new GenericTypeVar(t.get_Name(),this,-1));
|
||
}
|
||
*/
|
||
/*
|
||
for(Type t : this.get_ParaList()){
|
||
t.parserPostProcessing(this);
|
||
}
|
||
*/
|
||
/*
|
||
for(GenericTypeVar gtv : this.getGenericParameter()){
|
||
gtv.setParentClass(this);;
|
||
}
|
||
*/
|
||
//TODO: Umwandlung zu RefTypes funktioniert noch nicht richtig. (siehe LambdaTest2)
|
||
//Als RefType geparste Generische Variablen umwandeln:
|
||
this.wandleRefTypeAttributes2GenericAttributes();
|
||
|
||
//Erst am Schluss, nachdem Methoden zu Konstruktoren umgewandelt wurden:
|
||
super.parserPostProcessing(parent);
|
||
}
|
||
|
||
@Override
|
||
public SyntaxTreeNode getParent() {
|
||
return this;
|
||
}
|
||
|
||
@Override
|
||
public Menge<SyntaxTreeNode> getChildren() {
|
||
Menge<SyntaxTreeNode> ret = new Menge<SyntaxTreeNode>();
|
||
//for(Field f : this.getFields()){
|
||
// ret.add(f);
|
||
//}
|
||
ret.addAll(this.getFields());
|
||
ret.addAll(this.get_ParaList());
|
||
ret.addAll(this.getGenericParameter());
|
||
return ret;
|
||
}
|
||
|
||
@Override
|
||
public boolean equals(Object obj){
|
||
if(!(obj instanceof Class))return false;
|
||
Class cl = (Class) obj;
|
||
if(!(cl.getName().equals(this.getName())))return false;
|
||
|
||
return true;
|
||
}
|
||
|
||
@Override
|
||
public Menge<GenericTypeVar> getGenericParameter() {
|
||
if(this.genericClassParameters == null)return new Menge<GenericTypeVar>();
|
||
return this.genericClassParameters.getMenge();
|
||
}
|
||
|
||
@Override
|
||
public String getDescription(ClassGenerator cg, TypeinferenceResultSet rs){
|
||
return "class "+this.getName();
|
||
}
|
||
@Override
|
||
public int getVariableLength() {
|
||
// TODO Auto-generated method stub
|
||
return 0;
|
||
}
|
||
|
||
@Override
|
||
public void setGenericParameter(GenericDeclarationList params) {
|
||
this.genericClassParameters = params;
|
||
}
|
||
|
||
@Override
|
||
public String getGenericVarDeclarationString(String genericVarDeclaration) {
|
||
if(this.genericClassParameters != null){
|
||
return ", "+genericVarDeclaration;
|
||
}else{
|
||
return "<"+genericVarDeclaration+">";
|
||
}
|
||
}
|
||
|
||
@Override
|
||
public int getGenericVarDeclarationOffset(){
|
||
// Falls Generische Parameterliste vorhanden, hier Wert der Liste zurückgegebn
|
||
if(this.genericClassParameters != null){
|
||
return this.genericClassParameters.getEndOffset();
|
||
}else{
|
||
return this.offset;
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Die Super Klasse dieser Klasse.
|
||
* @return null für Klasse Object
|
||
*/
|
||
public RefType getSuperClass(){
|
||
return this.superClass;
|
||
}
|
||
@Override
|
||
public boolean isClass() {
|
||
return true;
|
||
}
|
||
|
||
public boolean isInterface(){
|
||
return false;
|
||
}
|
||
|
||
/*
|
||
private Collection<? extends ByteCodeResult> getGenericClasses() {
|
||
Collection<ByteCodeResult> results = new Menge<>();
|
||
|
||
for(Field field : this.fielddecl){
|
||
Type type = field.getType();
|
||
//Der Type des Feldes
|
||
if(type instanceof RefType){
|
||
RefType refType = (RefType) type;
|
||
|
||
if(!refType.getCombinedType(null).equals(refType.get_Name().replace(".", "%"))){
|
||
results.addAll(generateGenericClass(refType.getCombinedType(null), new Class("java/util/Vector",-1)));
|
||
}
|
||
}
|
||
|
||
if(field instanceof Method){
|
||
Method method = (Method) field;
|
||
ParameterList parameterList = method.getParameterList();
|
||
|
||
//Die Typen der Methodenparameter
|
||
for(FormalParameter parameter: parameterList){
|
||
Type parameterType = parameter.getType();
|
||
|
||
if(parameterType instanceof RefType){
|
||
RefType refType = (RefType) parameterType;
|
||
|
||
if(!refType.getCombinedType(null).equals(refType.get_Name().replace(".", "%"))){
|
||
results.addAll(generateGenericClass(refType.getCombinedType(null), new Class("java/util/Vector",-1)));
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
return results;
|
||
}
|
||
*/
|
||
|
||
/*
|
||
private Menge<ByteCodeResult> generateGenericClass(String name, Class superClass){
|
||
//TODO: bytecode -- Generics hinzuf<75>gen
|
||
//Type superClassType = superClass.getType();
|
||
|
||
//TODO: bytecode
|
||
//ClassGenerator genericClassGenerator = new ClassGenerator(name, superClassType, name + ".java", Constants.ACC_PUBLIC , new String[] { }, new TypeinferenceResultSet(null, null, null));
|
||
|
||
//TODO: bytecode -- Namen der neuen Klasse
|
||
Class generatedClass = new Class(name, 0);
|
||
|
||
//TODO: bytecode -- alle Konstruktoren generieren
|
||
Block konstruktorBlock = new Block();
|
||
konstruktorBlock.setType(new de.dhbwstuttgart.syntaxtree.type.Void(konstruktorBlock, 0));
|
||
konstruktorBlock.statements.add(new SuperCall(konstruktorBlock));
|
||
Constructor standardKonstruktor = new Constructor(Method.createEmptyMethod(konstruktorBlock, name, superClass), superClass);
|
||
standardKonstruktor.parserPostProcessing(generatedClass);
|
||
|
||
generatedClass.addField(standardKonstruktor);
|
||
|
||
return generatedClass.genByteCode(new TypeinferenceResultSet(generatedClass, new Menge<>(), new ResultSet()));
|
||
}
|
||
*/
|
||
}
|
||
// ino.end
|