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MergeTest

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This commit is contained in:
Fayez Abu Alia 2018-08-06 13:25:41 +02:00
parent 0443f1e528
commit 52c445435d
5 changed files with 107 additions and 4 deletions
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42
src/de/dhbwstuttgart/bytecode/signature/Signature.java
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@ -20,6 +20,7 @@ import de.dhbwstuttgart.syntaxtree.type.GenericRefType;
import de.dhbwstuttgart.syntaxtree.type.RefType;
import de.dhbwstuttgart.syntaxtree.type.RefTypeOrTPHOrWildcardOrGeneric;
import de.dhbwstuttgart.syntaxtree.type.TypePlaceholder;
import de.dhbwstuttgart.syntaxtree.type.WildcardType;
import de.dhbwstuttgart.typeinference.result.GenericInsertPair;
import de.dhbwstuttgart.typeinference.result.ResolvedType;
import de.dhbwstuttgart.typeinference.result.ResultSet;
@ -104,10 +105,13 @@ public class Signature {
Iterator<? extends GenericTypeVar> itr = method.getGenerics().iterator();
// visits all formal type parameter and visits their bounds <T:...;B:...;...>
while(itr.hasNext()) {
System.out.println("HAS GENERICS!!");
GenericTypeVar g = itr.next();
getBoundsOfTypeVar(g,genericsAndBoundsMethod);
}
//TODO: paramtrisierte Typen mit Generics, Type Variablen müssen definiert werden.
// Wenn die RückgabeType eine TPH ist, wird als generic behandelt
// z.B: Type = TPH K => wird eine Formal Type Parameter K$ erzeugt und Bound = Object
if(!isConstructor) {
@ -131,7 +135,9 @@ public class Signature {
if(hasTPHs(ref)) {
createSignatureForParameterizedType(ref);
}
System.out.println("HAS WC = " + hasWC(ref));
if(hasWC(ref))
createSigForParamTypeWithWC(ref);
}
}
}
@ -170,6 +176,10 @@ public class Signature {
RefType ref = (RefType) methodParamsAndTypes.get(paramName);
if(hasTPHs(ref))
createSignatureForParameterizedType(ref);
System.out.println("HAS WC = " + hasWC(ref));
if(hasWC(ref))
createSigForParamTypeWithWC(ref);
}
for(GenericInsertPair p:methodPairs) {
@ -218,6 +228,34 @@ public class Signature {
// sw.visitEnd();
}
private void createSigForParamTypeWithWC(RefType ref) {
for(RefTypeOrTPHOrWildcardOrGeneric p : ref.getParaList()) {
if(p instanceof WildcardType) {
if(((WildcardType) p).getInnerType() instanceof GenericRefType) {
String name = new TypeToSignature().visit((GenericRefType)((WildcardType) p).getInnerType());
if(!genericsAndBoundsMethod.containsKey(name) && !genericsAndBounds.containsKey(name)) {
sw.visitFormalTypeParameter(name);
sw.visitClassBound().visitClassType(Type.getInternalName(Object.class));
sw.visitClassBound().visitEnd();
genericsAndBoundsMethod.put(name, Type.getInternalName(Object.class));
}
}
}
}
}
private boolean hasWC(RefType ref) {
for(RefTypeOrTPHOrWildcardOrGeneric p : ref.getParaList()) {
System.out.println("HAS WCs: " + p.acceptTV(new TypeToString()));
System.out.println("HAS WCs: " + p.getClass());
if(p.acceptTV(new TypeToString()).contains("WC"))
return true;
}
return false;
}
private void createSignatureForParameterizedType(RefType ref) {
ArrayList<GenericInsertPair> allPairs = getAllPairs(ref);
allPairs.addAll(methodPairs);
@ -347,7 +385,7 @@ public class Signature {
private boolean hasTPHs(RefType ref) {
for(RefTypeOrTPHOrWildcardOrGeneric p : ref.getParaList()) {
System.out.println(p.acceptTV(new TypeToString()));
System.out.println("HAS TPHs: " + p.acceptTV(new TypeToString()));
if(p.acceptTV(new TypeToString()).contains("WC")){
continue;
}

4
src/de/dhbwstuttgart/bytecode/signature/TypeToSignature.java
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@ -48,7 +48,7 @@ public class TypeToSignature implements TypeVisitor<String> {
@Override
public String visit(SuperWildcardType superWildcardType) {
// throw new NotImplementedException();
return "-" + superWildcardType.getInnerType().acceptTV(new TypeToSignature());
return "+" + superWildcardType.getInnerType().acceptTV(new TypeToSignature());
}
@Override
@ -60,7 +60,7 @@ public class TypeToSignature implements TypeVisitor<String> {
@Override
public String visit(ExtendsWildcardType extendsWildcardType) {
// throw new NotImplementedException();
return "+" + extendsWildcardType.getInnerType().acceptTV(new TypeToSignature());
return "-" + extendsWildcardType.getInnerType().acceptTV(new TypeToSignature());
}
@Override

43
test/bytecode/MergeTest.java Normal file
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@ -0,0 +1,43 @@
package bytecode;
import static org.junit.Assert.*;
import java.io.File;
import java.net.URL;
import java.net.URLClassLoader;
import org.junit.BeforeClass;
import org.junit.Test;
import de.dhbwstuttgart.core.JavaTXCompiler;
public class MergeTest {
private static String path;
private static File fileToTest;
private static JavaTXCompiler compiler;
private static ClassLoader loader;
private static Class<?> classToTest;
private static String pathToClassFile;
private static Object instanceOfClass;
// @BeforeClass
// public static void setUpBeforeClass() throws Exception {
// path = System.getProperty("user.dir")+"/test/bytecode/javFiles/Merge.jav";
// fileToTest = new File(path);
// compiler = new JavaTXCompiler(fileToTest);
// compiler.generateBytecode(System.getProperty("user.dir")+"/testBytecode/generatedBC/");
// pathToClassFile = System.getProperty("user.dir")+"/testBytecode/generatedBC/";
// loader = new URLClassLoader(new URL[] {new URL("file://"+pathToClassFile)});
// classToTest = loader.loadClass("Merge");
// instanceOfClass = classToTest.getDeclaredConstructor().newInstance();
// }
@Test
public void generateBC() throws Exception{
path = System.getProperty("user.dir")+"/test/bytecode/javFiles/Merge.jav";
fileToTest = new File(path);
compiler = new JavaTXCompiler(fileToTest);
compiler.generateBytecode(System.getProperty("user.dir")+"/testBytecode/generatedBC/");
}
}

17
test/bytecode/javFiles/Merge.jav Normal file
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@ -0,0 +1,17 @@
import java.util.List;
import java.lang.Integer;
import java.util.Collection;
class Merge {
merge(a, b) {
a.addAll(b);
return a;
}
sort(in){
var firstHalf = in.subList(1,2);
var secondHalf = in.subList(1,2);
return merge(sort(firstHalf), sort(secondHalf));
}
}

5
test/bytecode/javFiles/PTGen.jav Normal file
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@ -0,0 +1,5 @@
public class PTGen {
m(List<E> list) {
return list;
}
}