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Merge branch 'targetBytecode' of ssh://gohorb.ba-horb.de/bahome/projekt/git/JavaCompilerCore into targetBytecode

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pl@gohorb.ba-horb.de 2022-09-27 15:19:20 +02:00
commit 82f5146abb
3 changed files with 201 additions and 72 deletions
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50
src/main/java/de/dhbwstuttgart/target/generate/ASTToTargetAST.java
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@ -1,8 +1,6 @@
package de.dhbwstuttgart.target.generate;
import com.google.j2objc.annotations.LoopTranslation;
import de.dhbwstuttgart.bytecode.funN.FunNGenerator;
import de.dhbwstuttgart.core.JavaTXCompiler;
import de.dhbwstuttgart.parser.NullToken;
import de.dhbwstuttgart.syntaxtree.*;
import de.dhbwstuttgart.syntaxtree.factory.ASTFactory;
@ -89,6 +87,19 @@ public class ASTToTargetAST {
return containsLeft && containsRight;
}
static void addToPairs(Set<ResultPair<?, ?>> input, ResultPair<?, ?> pair) {
if (pair instanceof PairTPHsmallerTPH) {
input.removeIf(pair2 -> {
if (pair2 instanceof PairTPHequalRefTypeOrWildcardType) {
return pair2.getLeft().equals(pair.getLeft()) && pair2.getRight().equals(OBJECT);
}
return false;
});
}
input.add(pair);
}
// Family of generated Generics
Set<ResultPair<?, ?>> generics(ClassOrInterface owner, Method method) {
if (computedGenericsOfMethods.containsKey(method))
@ -133,7 +144,7 @@ public class ASTToTargetAST {
for (var typeVariable : new HashSet<>(typeVariables)) {
for (var pair : simplifiedConstraints) {
if (pair.left.equals(typeVariable) && typeVariables.contains(pair.right)) {
result.add(new PairTPHsmallerTPH(pair.left, equality.getOrDefault(pair.right, pair.right)));
addToPairs(result, new PairTPHsmallerTPH(pair.left, equality.getOrDefault(pair.right, pair.right)));
typeVariables.add(pair.right);
}
}
@ -199,7 +210,7 @@ public class ASTToTargetAST {
newPairs.add(newPair);
if (!containsRelation(result, newPair))
result.add(newPair);
addToPairs(result, newPair);
continue outer;
}
}
@ -216,7 +227,7 @@ public class ASTToTargetAST {
for (var typeVariable : new HashSet<>(typeVariables)) {
for (var pair : simplifiedConstraints) {
if (pair.left.equals(typeVariable) && typeVariablesOfFields.contains(pair.right)) {
result.add(new PairTPHsmallerTPH(pair.left, equality.getOrDefault(pair.right, pair.right)));
addToPairs(result, new PairTPHsmallerTPH(pair.left, equality.getOrDefault(pair.right, pair.right)));
typeVariables.add(pair.right);
}
}
@ -230,7 +241,7 @@ public class ASTToTargetAST {
continue outer;
}
if (!hasBound(typeVariable, genericsOfClass))
result.add(new PairTPHequalRefTypeOrWildcardType(typeVariable, OBJECT));
addToPairs(result, new PairTPHequalRefTypeOrWildcardType(typeVariable, OBJECT));
}
// All unbounded bounds
@ -241,7 +252,7 @@ public class ASTToTargetAST {
continue outer;
}
if (!hasBound(pair.right, genericsOfClass) && typeVariables.contains(pair.right))
result.add(new PairTPHequalRefTypeOrWildcardType(pair.right, OBJECT));
addToPairs(result, new PairTPHequalRefTypeOrWildcardType(pair.right, OBJECT));
}
eliminateCyclesAndInfima(result);
@ -309,7 +320,7 @@ public class ASTToTargetAST {
for (var pair2 : new HashSet<>(input)) {
if (pair2 instanceof PairTPHsmallerTPH ptph2 && ptph2.right.equals(ptph.left)) {
input.remove(pair2);
input.add(new PairTPHsmallerTPH(ptph2.left, ptph.right));
addToPairs(input, new PairTPHsmallerTPH(ptph2.left, ptph.right));
}
}
}
@ -351,9 +362,9 @@ public class ASTToTargetAST {
if (pair2.getRight().equals(pair.getLeft())) {
input.remove(pair2);
if (pair instanceof PairTPHsmallerTPH)
input.add(new PairTPHsmallerTPH((TypePlaceholder) pair2.getLeft(), (TypePlaceholder) pair.getRight()));
addToPairs(input, new PairTPHsmallerTPH((TypePlaceholder) pair2.getLeft(), (TypePlaceholder) pair.getRight()));
else
input.add(new PairTPHequalRefTypeOrWildcardType((TypePlaceholder) pair2.getLeft(), pair.getRight()));
addToPairs(input, new PairTPHequalRefTypeOrWildcardType((TypePlaceholder) pair2.getLeft(), pair.getRight()));
}
}
}
@ -365,7 +376,7 @@ public class ASTToTargetAST {
var cycles = findCycles(input);
for (var cycle : cycles) {
var newTph = TypePlaceholder.fresh(new NullToken());
input.add(new PairTPHequalRefTypeOrWildcardType(newTph, OBJECT));
addToPairs(input, new PairTPHequalRefTypeOrWildcardType(newTph, OBJECT));
cycle.add(cycle.get(0)); // Make it a complete cycle
for (var i = 0; i < cycle.size() - 1; i++) {
var left = cycle.get(i);
@ -390,7 +401,7 @@ public class ASTToTargetAST {
if (infima.size() > 1) {
foundInfima = true;
var newTph = TypePlaceholder.fresh(new NullToken());
input.add(new PairTPHsmallerTPH(left, newTph));
addToPairs(input, new PairTPHsmallerTPH(left, newTph));
input.removeAll(infima);
for (var infimum : infima) {
equality.put(infimum.right, newTph);
@ -398,14 +409,14 @@ public class ASTToTargetAST {
if (pair.getLeft().equals(infimum.right)) {
input.remove(pair);
if (pair instanceof PairTPHsmallerTPH stph) {
input.add(new PairTPHsmallerTPH(newTph, stph.right));
addToPairs(input, new PairTPHsmallerTPH(newTph, stph.right));
} else if (pair instanceof PairTPHequalRefTypeOrWildcardType rtph) {
input.add(new PairTPHequalRefTypeOrWildcardType(newTph, rtph.getRight()));
addToPairs(input, new PairTPHequalRefTypeOrWildcardType(newTph, rtph.getRight()));
}
} else if (pair.getRight().equals(infimum.right)) {
input.remove(pair);
if (pair instanceof PairTPHsmallerTPH stph) {
input.add(new PairTPHsmallerTPH(stph.left, newTph));
addToPairs(input, new PairTPHsmallerTPH(stph.left, newTph));
}
}
});
@ -413,15 +424,6 @@ public class ASTToTargetAST {
}
}
} while (foundInfima);
// Remove duplicate bounds
for (var pair : new HashSet<>(input)) {
if (pair instanceof PairTPHequalRefTypeOrWildcardType) {
if (input.stream().anyMatch(p -> p instanceof PairTPHsmallerTPH && p.getLeft().equals(pair.getLeft()))) {
input.remove(pair);
}
}
}
}
TargetType get(TypePlaceholder tph) {

120
src/test/java/targetast/TestComplete.java
View File

@ -4,7 +4,9 @@ import de.dhbwstuttgart.target.ByteArrayClassLoader;
import org.junit.Ignore;
import org.junit.Test;
import java.lang.reflect.Array;
import java.lang.reflect.Method;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.TypeVariable;
import java.util.Arrays;
import java.util.Vector;
@ -135,6 +137,7 @@ public class TestComplete {
public void infTest() throws Exception {
var classFiles = generateClassFiles("Inf.jav", new ByteArrayClassLoader());
var instance = classFiles.get("Inf").getDeclaredConstructor().newInstance();
// TODO check generics
}
@Test
@ -342,13 +345,53 @@ public class TestComplete {
@Test
public void tph2Test() throws Exception {
var classFiles = generateClassFiles("Tph2.jav", new ByteArrayClassLoader());
var instance = classFiles.get("Tph2").getDeclaredConstructor().newInstance();
var tph2 = classFiles.get("Tph2");
var instance = tph2.getDeclaredConstructor().newInstance();
assertEquals(1, tph2.getTypeParameters().length);
// public class Tph2<DZG>
var DZG = tph2.getTypeParameters()[0];
var id = tph2.getDeclaredField("id");
// public Fun1$$<DZG, DZG> id
var idParams = ((ParameterizedType) id.getGenericType()).getActualTypeArguments();
assertEquals(2, idParams.length);
assertEquals(DZG, idParams[0]);
assertEquals(DZG, idParams[1]);
var id3 = tph2.getDeclaredMethod("id3", Object.class);
// public <U extends DZG> DZG id3(U var1)
var paraTypes = id3.getGenericParameterTypes();
var typeParaTypes = id3.getTypeParameters();
var U = Arrays.stream(typeParaTypes).filter(t -> t.equals(paraTypes[0])).findFirst().get();
assertEquals(DZG, U.getBounds()[0]);
assertEquals(DZG, id3.getGenericReturnType());
}
@Test
public void tph3Test() throws Exception {
var classFiles = generateClassFiles("Tph3.jav", new ByteArrayClassLoader());
var instance = classFiles.get("Tph3").getDeclaredConstructor().newInstance();
var tph3 = classFiles.get("Tph3");
var instance = tph3.getDeclaredConstructor().newInstance();
var m1 = tph3.getDeclaredMethod("m1", Object.class, Object.class);
// public <DZC> void m1(DZC var1, DZC var2)
var paraTypes = m1.getGenericParameterTypes();
var typeParaTypes = m1.getTypeParameters();
var DZC = Arrays.stream(typeParaTypes).filter(t -> t.equals(paraTypes[0])).findFirst().get();
assertEquals(DZC, Arrays.stream(typeParaTypes).filter(t -> t.equals(paraTypes[1])).findFirst().get());
assertEquals(Object.class, DZC.getBounds()[0]);
var m2 = tph3.getDeclaredMethod("m2", Object.class);
// public <V> void m2(V var1)
var paraTypes2 = m2.getGenericParameterTypes();
var typeParaTypes2 = m2.getTypeParameters();
var V = Arrays.stream(typeParaTypes2).filter(t -> t.equals(paraTypes2[0])).findFirst().get();
assertEquals(Object.class, V.getBounds()[0]);
}
@Test
@ -356,6 +399,30 @@ public class TestComplete {
var classFiles = generateClassFiles("Tph4.jav", new ByteArrayClassLoader());
var tph4 = classFiles.get("Tph4");
var instance = tph4.getDeclaredConstructor().newInstance();
var m = tph4.getDeclaredMethod("m", Object.class, Object.class);
// public <O extends P, N, P extends M, M> M m(N var1, O var2)
var paraTypes = m.getGenericParameterTypes();
var typeParaTypes = m.getTypeParameters();
var N = Arrays.stream(typeParaTypes).filter(t -> t.equals(paraTypes[0])).findFirst().get();
assertEquals(Object.class, N.getBounds()[0]);
var O = Arrays.stream(typeParaTypes).filter(t -> t.equals(paraTypes[1])).findFirst().get();
var P = Arrays.stream(typeParaTypes).filter(t -> t.equals(O.getBounds()[0])).findFirst().get();
var M = Arrays.stream(typeParaTypes).filter(t -> t.equals(P.getBounds()[0])).findFirst().get();
assertEquals(Object.class, M.getBounds()[0]);
assertEquals(M, m.getGenericReturnType());
var m2 = tph4.getDeclaredMethod("m2", Object.class);
// public <X> X m2(X var1)
var paraTypes2 = m2.getGenericParameterTypes();
var typeParaTypes2 = m2.getTypeParameters();
var X = Arrays.stream(typeParaTypes2).filter(t -> t.equals(paraTypes2[0])).findFirst().get();
assertEquals(Object.class, X.getBounds()[0]);
assertEquals(X, m2.getGenericReturnType());
}
@Test
@ -364,6 +431,26 @@ public class TestComplete {
var tph5 = classFiles.get("Tph5");
var instance = tph5.getDeclaredConstructor().newInstance();
var m = tph5.getDeclaredMethod("m", Object.class, Object.class);
// public <N, O extends N> void m(N var1, O var2)
var paraTypes = m.getGenericParameterTypes();
var typeParaTypes = m.getTypeParameters();
var N = Arrays.stream(typeParaTypes).filter(t -> t.equals(paraTypes[0])).findFirst().get();
var O = Arrays.stream(typeParaTypes).filter(t -> t.equals(paraTypes[1])).findFirst().get();
assertEquals(O.getBounds()[0], N);
assertEquals(Object.class, N.getBounds()[0]);
var m2 = tph5.getDeclaredMethod("m2", Object.class);
// public <R> R m2(R var1)
var paraTypes2 = m2.getGenericParameterTypes();
var typeParaTypes2 = m2.getTypeParameters();
var R = Arrays.stream(typeParaTypes2).filter(t -> t.equals(paraTypes2[0])).findFirst().get();
assertEquals(Object.class, R.getBounds()[0]);
assertEquals(R, m2.getGenericReturnType());
}
@Test
@ -372,6 +459,29 @@ public class TestComplete {
var tph5 = classFiles.get("Tph6");
var instance = tph5.getDeclaredConstructor().newInstance();
var m = tph5.getDeclaredMethod("m", Object.class, Object.class);
// public <O extends P, N extends P, P> void m(N var1, O var2)
var paraTypes = m.getGenericParameterTypes();
var typeParaTypes = m.getTypeParameters();
var N = Arrays.stream(typeParaTypes).filter(t -> t.equals(paraTypes[0])).findFirst().get();
var O = Arrays.stream(typeParaTypes).filter(t -> t.equals(paraTypes[1])).findFirst().get();
var PT = N.getBounds()[0];
assertEquals(PT, O.getBounds()[0]);
var P = Arrays.stream(typeParaTypes).filter(t -> t.equals(PT)).findFirst().get();
assertEquals(Object.class, P.getBounds()[0]);
var m2 = tph5.getDeclaredMethod("m2", Object.class);
// public <W> W m2(W var1)
var paraTypes2 = m2.getGenericParameterTypes();
var typeParaTypes2 = m2.getTypeParameters();
var W = Arrays.stream(typeParaTypes2).filter(t -> t.equals(paraTypes2[0])).findFirst().get();
assertEquals(Object.class, W.getBounds()[0]);
assertEquals(W, m2.getGenericReturnType());
}
@ -464,4 +574,10 @@ public class TestComplete {
var classFiles = generateClassFiles("Y.jav", new ByteArrayClassLoader());
var instance = classFiles.get("Y").getDeclaredConstructor().newInstance();
}
@Test
public void boxTest() throws Exception {
var classFiles = generateClassFiles("Box.jav", new ByteArrayClassLoader());
var instance = classFiles.get("Box_Main").getDeclaredConstructor().newInstance();
}
}

11
src/test/resources/bytecode/javFiles/Box.jav Normal file
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@ -0,0 +1,11 @@
class Box<A> {
void m(A a) { }
}
class B { }
class Box_Main extends B {
m(b) {
b.m(new Box_Main());
b.m(new B());
}
}