forked from JavaTX/JavaCompilerCore
Functional Interfaces und Funn&&-Typen integriert.
modified: resources/bytecode/javFiles/LambdaRunnable.jav modified: src/main/java/de/dhbwstuttgart/parser/SyntaxTreeGenerator/FCGenerator.java modified: src/main/java/de/dhbwstuttgart/typeinference/unify/RuleSet.java modified: src/main/java/de/dhbwstuttgart/typeinference/unify/TypeUnifyTask.java modified: src/main/java/de/dhbwstuttgart/typeinference/unify/interfaces/IFiniteClosure.java modified: src/main/java/de/dhbwstuttgart/typeinference/unify/interfaces/IRuleSet.java modified: src/main/java/de/dhbwstuttgart/typeinference/unify/model/FiniteClosure.java modified: src/test/java/TestComplete.java
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pl@gohorb.ba-horb.de
parent
5d0d7a6d94
commit
c00722823a
@ -7,7 +7,7 @@ public class LamRunnable{
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public LamRunnable(){
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Runnable lam = () -> {System.out.println("lambda");};
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Runnable lam = () -> {var a;};
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lam.run();
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}
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}
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@ -2,8 +2,11 @@ package de.dhbwstuttgart.parser.SyntaxTreeGenerator;
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import de.dhbwstuttgart.exceptions.DebugException;
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import de.dhbwstuttgart.parser.NullToken;
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import de.dhbwstuttgart.parser.scope.JavaClassName;
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import de.dhbwstuttgart.syntaxtree.ClassOrInterface;
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import de.dhbwstuttgart.syntaxtree.GenericTypeVar;
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import de.dhbwstuttgart.syntaxtree.Method;
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import de.dhbwstuttgart.syntaxtree.Pattern;
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import de.dhbwstuttgart.syntaxtree.factory.ASTFactory;
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import de.dhbwstuttgart.syntaxtree.factory.UnifyTypeFactory;
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import de.dhbwstuttgart.syntaxtree.type.*;
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@ -32,12 +35,29 @@ public class FCGenerator {
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HashMap<String, RefTypeOrTPHOrWildcardOrGeneric> gtvs = new HashMap<>();
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for(ClassOrInterface cly : availableClasses){
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pairs.addAll(getSuperTypes(cly, availableClasses, gtvs, classLoader));
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//For all Functional Interfaces FI: FunN$$<... args auf dem Functional Interface ...> <. FI is added to FC
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if (isFunctionalInterface(cly)) {
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pairs.add(genImplFunType(cly));
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}
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}
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return pairs;
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}
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private static Boolean isFunctionalInterface(ClassOrInterface cly) {
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return (cly.isInterface() && cly.getMethods().size() == 1);
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}
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private static Pair genImplFunType(ClassOrInterface cly) {
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Method m = cly.getMethods().get(0);
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List<RefTypeOrTPHOrWildcardOrGeneric> tl =
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(m.getParameterList().getFormalparalist().stream().map(p -> p.getType()).collect(Collectors.toList()));
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tl.add(m.getReturnType());
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return new Pair(new RefType(new JavaClassName("Fun" + (tl.size()-1) + "$$"), tl, new NullToken()),
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new RefType(cly.getClassName(), new NullToken()));
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// new FunN(lambdaParams),
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}
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@ -880,16 +880,45 @@ public class RuleSet implements IRuleSet{
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@Override
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public Optional<Set<UnifyPair>> greaterFunN(UnifyPair pair) {
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public Optional<Set<UnifyPair>> greaterFunN(UnifyPair pair, IFiniteClosure fc) {
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if(pair.getPairOp() != PairOperator.SMALLERDOT)
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return Optional.empty();
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UnifyType lhsType = pair.getLhsType();
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UnifyType rhsType = pair.getRhsType();
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if(!(lhsType instanceof FunNType) || !(rhsType instanceof PlaceholderType))
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if(!(lhsType instanceof FunNType))
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return Optional.empty();
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//FunN$$<...> <. FunctinalInterface wird umgewandelt in FunN$$<...> <. FunN$$<... args aus FuntionalInterface ...>
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if (rhsType instanceof ReferenceType) {
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UnifyType typeD = pair.getRhsType();
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Optional<UnifyType> opt = fc.getRightHandedNoParameterType(typeD.getName());
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if(!opt.isPresent())
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return Optional.empty();
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// Should be eual as typeD
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UnifyType typeFunFc = opt.get();
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if(!(typeFunFc instanceof FunNType))
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return Optional.empty();
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UnifyType newRhsType = opt.get();
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Set<UnifyPair> result = new HashSet<>();
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result.add(new UnifyPair(lhsType, newRhsType, PairOperator.SMALLERDOT, pair.getSubstitution(), pair.getBasePair()));
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return Optional.of(result);
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}
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else {
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if(!(rhsType instanceof PlaceholderType))
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return Optional.empty();
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}
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FunNType funNLhsType = (FunNType) lhsType;
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Set<UnifyPair> result = new HashSet<UnifyPair>();
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@ -1808,7 +1808,7 @@ public class TypeUnifyTask extends RecursiveTask<Set<Set<UnifyPair>>> {
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// FunN Rules
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optSet = optSet.isPresent() ? optSet : rules.reduceFunN(pair);
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optSet = optSet.isPresent() ? optSet : rules.greaterFunN(pair);
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optSet = optSet.isPresent() ? optSet : rules.greaterFunN(pair, fc);
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optSet = optSet.isPresent() ? optSet : rules.smallerFunN(pair);
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// One of the rules has been applied
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@ -60,6 +60,7 @@ public interface IFiniteClosure {
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public Set<UnifyType> smArg(FunNType type, Set<UnifyType> fBounded);
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public Optional<UnifyType> getLeftHandedType(String typeName);
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public Optional<UnifyType> getRightHandedNoParameterType(String typeName);
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public Set<UnifyType> getAncestors(UnifyType t);
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public Set<UnifyType> getChildren(UnifyType t);
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public Set<UnifyType> getAllTypesByName(String typeName);
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@ -60,7 +60,7 @@ public interface IRuleSet {
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* FunN Rules
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*/
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public Optional<Set<UnifyPair>> reduceFunN(UnifyPair pair);
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public Optional<Set<UnifyPair>> greaterFunN(UnifyPair pair);
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public Optional<Set<UnifyPair>> greaterFunN(UnifyPair pair, IFiniteClosure fc);
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public Optional<Set<UnifyPair>> smallerFunN(UnifyPair pair);
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/**
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@ -100,4 +100,5 @@ public interface IRuleSet {
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* @return An optional of the modified set, if there were any substitutions. An empty optional if there were no substitutions.
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*/
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public Optional<Set<UnifyPair>> subst(Set<UnifyPair> pairs);
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}
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@ -608,6 +608,18 @@ implements IFiniteClosure {
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return Optional.empty();
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}
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@Override
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public Optional<UnifyType> getRightHandedNoParameterType(String typeName) {
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if(!strInheritanceGraph.containsKey(typeName))
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return Optional.empty();
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for(UnifyPair pair : pairs)
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if(pair.getRhsType().getName().equals(typeName) && pair.getRhsType().typeParams.size() == 0)
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return Optional.of(pair.getLhsType());
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return Optional.empty();
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}
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@Override
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public Set<UnifyType> getAncestors(UnifyType t) {
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if(!inheritanceGraph.containsKey(t))
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@ -736,4 +736,13 @@ public class TestComplete {
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var m = clazz.getDeclaredMethod("m", Integer.class);
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assertEquals(m.invoke(instance, 10), 60);
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}
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@Test
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public void testLambdaRunnable() throws Exception {
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var classFiles = generateClassFiles(new ByteArrayClassLoader(), "LambdaRunnable.jav");
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var clazz = classFiles.get("LambdaRunnable");
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var instance = clazz.getDeclaredConstructor().newInstance();
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//var m = clazz.getDeclaredMethod("m", Integer.class);
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//assertEquals(m.invoke(instance, 10), 60);
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}
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}
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