Beginn der Implementierung von Bytecode für Lambda Expression

This commit is contained in:
JanUlrich 2015-08-26 14:48:51 +02:00
parent 8d1b2c6b82
commit 2d8adb5c69
12 changed files with 58 additions and 27 deletions

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@ -1,12 +1,13 @@
<?xml version="1.0" encoding="UTF-8"?> <?xml version="1.0" encoding="UTF-8"?>
<classpath> <classpath>
<classpathentry kind="src" path="src"/> <classpathentry kind="src" path="src"/>
<classpathentry excluding=".classpath|.cvsignore|.externalToolBuilders/|.project|.settings/|Papers/|bin/|doc/|examples/|lib/|notizen/|src/|test/|tools/" including="log4j.xml" kind="src" path=""/> <classpathentry kind="src" path="BCEL"/>
<classpathentry excluding=".classpath|.cvsignore|.externalToolBuilders/|.project|.settings/|Papers/|bin/|doc/|examples/|lib/|notizen/|src/|test/|tools/|BCEL/" including="log4j.xml" kind="src" path=""/>
<classpathentry kind="src" path="test"/> <classpathentry kind="src" path="test"/>
<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/> <classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
<classpathentry kind="lib" path="lib/junit-4.0.jar" sourcepath="/home/janulrich/.m2/repository/junit/junit/4.0/junit-4.0-sources.jar"/> <classpathentry kind="lib" path="lib/junit-4.0.jar" sourcepath="/home/janulrich/.m2/repository/junit/junit/4.0/junit-4.0-sources.jar"/>
<classpathentry kind="lib" path="lib/cloning.jar"/> <classpathentry kind="lib" path="lib/cloning.jar"/>
<classpathentry kind="lib" path="lib/guava-10.0.1.jar"/> <classpathentry kind="lib" path="lib/guava-10.0.1.jar"/>
<classpathentry kind="lib" path="lib/bcel-6.0-SNAPSHOT.jar"/> <classpathentry kind="lib" path="lib/bcel-6.0-SNAPSHOT.jar" sourcepath="/home/janulrich/Downloads/bcel-5.2-src.zip"/>
<classpathentry kind="output" path="bin"/> <classpathentry kind="output" path="bin"/>
</classpath> </classpath>

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@ -1227,10 +1227,10 @@ public class Class extends GTVDeclarationContext implements AClassOrInterface, I
//Alle Methoden auf Konstruktoren durchsuchen und diese umwandeln: //Alle Methoden auf Konstruktoren durchsuchen und diese umwandeln:
Menge<Field> tempFields = new Menge<Field>(); Menge<Field> tempFields = new Menge<Field>();
for(Field f : this.getFields()){ for(Field f : this.getFields()){
if(f instanceof Method && !(f instanceof Constructor)){ 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; Method method = (Method)f;
if(method.get_Method_Name().equals(this.getName().toString()) ){ if(method.get_Method_Name().equals(this.getName().toString()) ){
tempFields.add(new Constructor(method)); tempFields.add(new Constructor(method, this));
}else{ }else{
tempFields.add(f); tempFields.add(f);
} }

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@ -38,11 +38,12 @@ public class Constructor extends Method {
* Parser kann nicht zwischen einem Konstruktor und einer Methode unterscheiden. * Parser kann nicht zwischen einem Konstruktor und einer Methode unterscheiden.
* Diese Klasse beherbegt den als Methode geparsten Konstruktor und wandelt sein verhalten zu dem eines Konstruktors ab. * Diese Klasse beherbegt den als Methode geparsten Konstruktor und wandelt sein verhalten zu dem eines Konstruktors ab.
*/ */
public Constructor(Method methode){ public Constructor(Method methode, Class parent){
super(methode.get_Method_Name(), methode.getType(), methode.getParameterList(),methode.get_Block(), methode.getGenericDeclarationList(), methode.getOffset()); super(methode.get_Method_Name(), methode.getType(), methode.getParameterList(),methode.get_Block(), methode.getGenericDeclarationList(), methode.getOffset());
//Sicherstellen, dass das erste Statement in der Methode ein SuperCall ist: //Sicherstellen, dass das erste Statement in der Methode ein SuperCall ist:
if(this.get_Block().get_Statement().size() <1 || ! (this.get_Block().get_Statement().firstElement() instanceof SuperCall)){ if(this.get_Block().get_Statement().size() <1 || ! (this.get_Block().get_Statement().firstElement() instanceof SuperCall)){
this.get_Block().statements.add(0, new SuperCall(this.get_Block())); this.get_Block().statements.add(0, new SuperCall(this.get_Block()));
this.parserPostProcessing(parent);
} }
} }
@Override @Override
@ -121,6 +122,8 @@ public class Constructor extends Method {
return this.getType().getName(); return this.getType().getName();
} }
} }
/* /*

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@ -1779,7 +1779,7 @@ public class SourceFile
@Override @Override
public void parserPostProcessing(SyntaxTreeNode parent) { public void parserPostProcessing(SyntaxTreeNode parent) {
if(parent!=null)throw new DebugException("Eine SourceFile hat kein Elternelement im Syntaxbaum"); if(parent!=null)throw new DebugException("Eine SourceFile hat kein Elternelement im Syntaxbaum");
super.parserPostProcessing(parent); super.parserPostProcessing(this);
//for(SyntaxTreeNode node : this.getChildren())node.parserPostProcessing(this); //for(SyntaxTreeNode node : this.getChildren())node.parserPostProcessing(this);
} }

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@ -30,12 +30,14 @@ public abstract class SyntaxTreeNode implements IItemWithOffset{
* *
*/ */
public void parserPostProcessing(SyntaxTreeNode parent) { public void parserPostProcessing(SyntaxTreeNode parent) {
if(parent == null)throw new NullPointerException();
this.parent = parent; this.parent = parent;
for(SyntaxTreeNode node : this.getChildren()) for(SyntaxTreeNode node : this.getChildren())
if(node!=null)node.parserPostProcessing(this); if(node!=null)node.parserPostProcessing(this);
} }
public SyntaxTreeNode getParent() { public SyntaxTreeNode getParent() {
//if(this.parent == null)throw new NullPointerException();
return this.parent; return this.parent;
} }
@ -123,10 +125,10 @@ public abstract class SyntaxTreeNode implements IItemWithOffset{
} }
public GTVDeclarationContext getGTVDeclarationContext(){ public GTVDeclarationContext getGTVDeclarationContext(){
if(this.getParent()==null)return null; if(this.getParent()==null)
throw new NullPointerException();//throw new DebugException("getGTVDeclarationContext auf unzulässiger Klasse aufgerufen");
return this.getParent().getGTVDeclarationContext(); return this.getParent().getGTVDeclarationContext();
} }
} }

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@ -1,5 +1,6 @@
package de.dhbwstuttgart.syntaxtree.misc; package de.dhbwstuttgart.syntaxtree.misc;
import de.dhbwstuttgart.syntaxtree.SyntaxTreeNode;
import de.dhbwstuttgart.syntaxtree.statement.ArgumentList; import de.dhbwstuttgart.syntaxtree.statement.ArgumentList;
import de.dhbwstuttgart.syntaxtree.statement.MethodCall; import de.dhbwstuttgart.syntaxtree.statement.MethodCall;
import de.dhbwstuttgart.syntaxtree.statement.Receiver; import de.dhbwstuttgart.syntaxtree.statement.Receiver;
@ -16,10 +17,10 @@ import de.dhbwstuttgart.typeinference.exceptions.TypeinferenceException;
public class ConstructorCall extends MethodCall public class ConstructorCall extends MethodCall
{ {
public ConstructorCall(Receiver receiver, String methodName, ArgumentList argumentList, int offset){ public ConstructorCall(Receiver receiver, String methodName, ArgumentList argumentList, int offset){
super(offset, 0); super(receiver, methodName, argumentList,offset);
this.set_Receiver(receiver); //this.set_Receiver(receiver);
this.set_Name(methodName); //this.set_Name(methodName);
this.set_ArgumentList(argumentList); //this.set_ArgumentList(argumentList);
} }
/* /*
@ -38,4 +39,10 @@ public class ConstructorCall extends MethodCall
ret.add(constraintsFromMethodAssumption(cAss, assumptions)); ret.add(constraintsFromMethodAssumption(cAss, assumptions));
return ret; return ret;
} }
@Override
public void parserPostProcessing(SyntaxTreeNode parent) {
super.parserPostProcessing(parent);
}
} }

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@ -2,6 +2,7 @@ package de.dhbwstuttgart.syntaxtree.statement;
import java.util.Hashtable; import java.util.Hashtable;
import org.apache.bcel.classfile.BootstrapMethod;
import org.apache.bcel.classfile.ConstantPool; import org.apache.bcel.classfile.ConstantPool;
import org.apache.bcel.generic.BIPUSH; import org.apache.bcel.generic.BIPUSH;
import org.apache.bcel.generic.ClassGen; import org.apache.bcel.generic.ClassGen;
@ -217,20 +218,25 @@ public class LambdaExpression extends Expr{
public InstructionList genByteCode(ClassGen cg) { public InstructionList genByteCode(ClassGen cg) {
ConstantPoolGen cp = cg.getConstantPool(); ConstantPoolGen cp = cg.getConstantPool();
InstructionList il = new InstructionList(); InstructionList il = new InstructionList();
/* /*
* Bytecode: * Invokedynamic 186 (0xBA)
* 0: invokedynamic #2, 0 //#2 führt zu einem InvokeDynamic im KP - wildes Referenzieren * - Auf dem Operanten Stack liegen die Argumente
* 5: astore_1 //Speichert wahrscheinlich den String meiner TestEXPR *
* 6: return * InvokeDynamik_Info Structure auf den der Indexzeiger zeigen muss: https://docs.oracle.com/javase/specs/jvms/se8/html/jvms-4.html#jvms-4.4.10
*
* Ablauf:
* 1. Methode erstellen, mit dem Inhalt der Lambda-Expression //Dabei wird das This-Stat
* 2. Invokedynamic-Call erzeugen
*
*/ */
new BootstrapMethod();
//---Variante 1 mit opcode---- //---Variante 1 mit opcode----
short opcode = 186;//opcode - was genau ist das? short opcode = 186;
il.append(new INVOKEDYNAMIC(opcode, 0));//Invokedynamic lässt sich bei mir weder automatisch noch manuell importieren int index = 0; //indexbyte 1 und 2 müssen ein Zeiger auf ein call site specifier im Konstantenpool sein (InvokeDynamic_Info).
il.append(new INVOKEDYNAMIC(opcode, index));
//---Variante 2 mit Konstantenpool-Referenz---
//int cpSize = cp.getSize()-1;//Vermutlich ist die benötigte Referenz das aktuellste Element?
//il.append(new INVOKEDYNAMIC((short) cpSize, 0));
return il; return il;
} }

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@ -299,11 +299,13 @@ public class MethodCall extends Expr
return ret; return ret;
} }
/*
@Override @Override
public void parserPostProcessing(SyntaxTreeNode parent) { public void parserPostProcessing(SyntaxTreeNode parent) {
super.parserPostProcessing(parent); super.parserPostProcessing(parent);
} }
*/
@Override @Override
public InstructionList genByteCode(ClassGen _cg) { public InstructionList genByteCode(ClassGen _cg) {
// TODO Auto-generated method stub // TODO Auto-generated method stub

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@ -65,7 +65,10 @@ public class SuperCall extends ThisCall
((Constructor)p).get_Block().statements.firstElement().equals(this)){ ((Constructor)p).get_Block().statements.firstElement().equals(this)){
//Constraints generieren: //Constraints generieren:
if(this.arglist == null)this.arglist = new ArgumentList();
MethodCall constructorCall = new ConstructorCall(new Receiver(new This(this)), className, arglist, this.getOffset()); MethodCall constructorCall = new ConstructorCall(new Receiver(new This(this)), className, arglist, this.getOffset());
constructorCall.parserPostProcessing(this);
ret.add(constructorCall.TYPEStmt(assumptions)); ret.add(constructorCall.TYPEStmt(assumptions));
return ret; return ret;
}else{ }else{

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@ -5,6 +5,11 @@ package de.dhbwstuttgart.syntaxtree.statement;
import java.util.Hashtable; import java.util.Hashtable;
import org.apache.bcel.generic.ClassGen; import org.apache.bcel.generic.ClassGen;
import org.apache.bcel.generic.InstructionFactory;
import org.apache.bcel.generic.InstructionHandle;
import org.apache.bcel.generic.InstructionList;
import org.apache.bcel.generic.MethodGen;
import org.apache.bcel.generic.ObjectType;
import de.dhbwstuttgart.typeinference.Menge; import de.dhbwstuttgart.typeinference.Menge;
import de.dhbwstuttgart.logger.Logger; import de.dhbwstuttgart.logger.Logger;
@ -143,9 +148,11 @@ public class This extends Expr
} }
@Override @Override
public void genByteCode(ClassGen _cg) { public InstructionList genByteCode(ClassGen _cg) {
// TODO Auto-generated method stub InstructionList il = new InstructionList();
InstructionHandle ih_0 = il.append(InstructionFactory.createLoad(org.apache.bcel.generic.Type.OBJECT, 0));
InstructionHandle ih_1 = il.append(InstructionFactory.createReturn(org.apache.bcel.generic.Type.OBJECT));
return il;
} }
} }

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@ -1,4 +1,3 @@
class Matrix2{ class Matrix2{
<EN, T2, EM extends EN, R extends EM, DF extends T2> Fun1<Fun1<EN, Fun2<R, Matrix2, T2>>, DF> op = (m)->(f)->{return f.apply(this,m);}; <EN, T2, EM extends EN, R extends EM, DF extends T2> Fun1<Fun1<EN, Fun2<R, Matrix2, T2>>, DF> op = (m)->(f)->{return f.apply(this,m);};
} }

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@ -1,6 +1,7 @@
package plugindevelopment.TypeInsertTests; package plugindevelopment.TypeInsertTests.LargeSourceCodeTests;
import de.dhbwstuttgart.typeinference.Menge; import de.dhbwstuttgart.typeinference.Menge;
import plugindevelopment.TypeInsertTests.MultipleTypesInsertTester;
import org.junit.Test; import org.junit.Test;