Examples with ClassNode kalang.ast.ClassNode used on opensource projects

Example 6 with ClassNode

use of kalang.ast.ClassNode in project kalang by kasonyang.

the class ClassNodeMetaBuilder method build.

public void build(ClassNode cn, boolean inScriptMode) {
    this.thisClazz = cn;
    astBuilder.thisClazz = cn;
    ParserRuleContext ctx = classNodeBuilder.getClassNodeDefContext(cn);
    if (ctx != null)
        visit(ctx);
    for (ClassNode c : cn.classes) {
        build(c, false);
    }
}

Example 7 with ClassNode

use of kalang.ast.ClassNode in project kalang by kasonyang.

the class ClassNodeMetaBuilder method visitClassDef.

@Override
public Object visitClassDef(KalangParser.ClassDefContext ctx) {
    thisClazz.annotations.addAll(astBuilder.getAnnotations(ctx.annotation()));
    thisClazz.modifier = astBuilder.parseModifier(ctx.varModifier());
    List<Token> gnrTypes = ctx.genericTypes;
    if (gnrTypes != null && !gnrTypes.isEmpty()) {
        for (Token g : gnrTypes) {
            // TODO suport generic type bounds in syntax
            GenericType gt = new GenericType(g.getText(), Types.getRootType(), null, NullableKind.NONNULL);
            thisClazz.declareGenericType(gt);
        }
    }
    ObjectType superType = null;
    if (ctx.parentClass != null) {
        ObjectType parentClass = astBuilder.parseClassType(ctx.parentClass);
        if (parentClass != null) {
            superType = parentClass;
        }
    } else {
        superType = Types.getRootType();
    }
    if (Modifier.isInterface(thisClazz.modifier)) {
        // TODO update syntax to support:interface extends T1,T2...
        thisClazz.addInterface(superType);
    } else {
        thisClazz.setSuperType(superType);
    }
    if (ctx.interfaces != null && ctx.interfaces.size() > 0) {
        for (KalangParser.ClassTypeContext itf : ctx.interfaces) {
            ObjectType itfClz = astBuilder.parseClassType(itf);
            if (itfClz != null) {
                thisClazz.addInterface(itfClz);
            }
        }
    }
    if (this.isDeclaringNonStaticInnerClass()) {
        ClassNode parentClass = thisClazz.enclosingClass;
        if (parentClass == null) {
            throw Exceptions.unexceptedValue(parentClass);
        }
        thisClazz.createField(Types.getClassType(parentClass), "this$0", Modifier.PRIVATE | ModifierConstant.SYNTHETIC);
    }
    visit(ctx.classBody());
    if (!ModifierUtil.isInterface(thisClazz.modifier) && !AstUtil.containsConstructor(thisClazz) && !AstUtil.createEmptyConstructor(thisClazz)) {
        this.diagnosisReporter.report(Diagnosis.Kind.ERROR, "failed to create constructor with no parameters", ctx);
    }
    MethodNode[] methods = thisClazz.getDeclaredMethodNodes();
    for (int i = 0; i < methods.length; i++) {
        MethodNode node = methods[i];
        BlockStmt body = node.getBody();
        if (body != null) {
            if (AstUtil.isConstructor(node)) {
                // constructor
                if (this.isDeclaringNonStaticInnerClass()) {
                    ClassNode enclosingClass = thisClazz.enclosingClass;
                    if (enclosingClass == null) {
                        throw Exceptions.unexceptedValue(enclosingClass);
                    }
                    ParameterNode outerInstanceParam = node.createParameter(0, Types.getClassType(enclosingClass), "this$0");
                    ExprNode parentFieldExpr = astBuilder.getObjectFieldExpr(new ThisExpr(Types.getClassType(thisClazz)), "this$0", ParserRuleContext.EMPTY);
                    if (parentFieldExpr == null) {
                        throw Exceptions.unexceptedValue(parentFieldExpr);
                    }
                    body.statements.add(1, new ExprStmt(new AssignExpr((AssignableExpr) parentFieldExpr, new ParameterExpr(outerInstanceParam))));
                }
            }
        }
    }
    for (FieldNode fieldNode : thisClazz.getFields()) {
        int mdf = fieldNode.modifier;
        if (!AstUtil.hasGetter(thisClazz, fieldNode)) {
            AstUtil.createGetter(thisClazz, fieldNode, mdf);
        }
        if (!AstUtil.hasSetter(thisClazz, fieldNode)) {
            AstUtil.createSetter(thisClazz, fieldNode, mdf);
        }
        fieldNode.modifier = ModifierUtil.setPrivate(mdf);
    }
    return null;
}

Example 8 with ClassNode

use of kalang.ast.ClassNode in project kalang by kasonyang.

the class AstUtil method createArrayAst.

public static ClassNode createArrayAst(String component) {
    ClassNode clazz = new ClassNode();
    clazz.name = component + "[]";
    clazz.setSuperType(Types.getRootType());
    return clazz;
}

Example 9 with ClassNode

use of kalang.ast.ClassNode in project kalang by kasonyang.

the class ClassTypeTest method test.

@Test
public void test() throws AstNotFoundException {
    AstLoader astLoader = new AstLoader();
    ClassNode listClass = astLoader.loadAst("java.util.List");
    ClassNode arrayListClass = astLoader.loadAst("java.util.ArrayList");
    Type[] paramTypes = new Type[] { Types.getRootType() };
    ObjectType listType = Types.getClassType(listClass, paramTypes);
    ArrayType listArrayType = Types.getArrayType(listType);
    ObjectType arrayListType = Types.getClassType(arrayListClass, paramTypes);
    ArrayType arrayListArrayType = Types.getArrayType(arrayListType);
    assertTrue(arrayListType.isSubTypeOf(listType));
    assertTrue(listArrayType.isAssignableFrom(arrayListArrayType));
    String mdDescriptors = Arrays.toString(listType.getMethodDescriptors(listClass, false, true));
    assertEquals("[public abstract boolean contains(java.lang.Object arg0), public abstract boolean addAll(int arg0,java.util.Collection<? extends java.lang.Object> arg1), public void sort(java.util.Comparator<? super java.lang.Object> arg0), public abstract java.util.ListIterator<java.lang.Object> listIterator(int arg0), public abstract java.util.ListIterator<java.lang.Object> listIterator(), public abstract boolean retainAll(java.util.Collection<? extends java.lang.Object> arg0), public abstract java.lang.Object[] toArray(), public abstract java.lang.Object remove(int arg0), public abstract boolean addAll(java.util.Collection<? extends java.lang.Object> arg0), public boolean removeIf(java.util.function.Predicate<? super java.lang.Object> arg0), public abstract int hashCode(), public abstract boolean removeAll(java.util.Collection<? extends java.lang.Object> arg0), public java.util.stream.Stream<java.lang.Object> parallelStream(), public abstract int lastIndexOf(java.lang.Object arg0), public void replaceAll(java.util.function.UnaryOperator<java.lang.Object> arg0), public abstract void clear(), public abstract boolean containsAll(java.util.Collection<? extends java.lang.Object> arg0), public abstract int indexOf(java.lang.Object arg0), public abstract boolean add(java.lang.Object arg0), public abstract boolean isEmpty(), public abstract java.util.List<java.lang.Object> subList(int arg0,int arg1), public abstract java.lang.Object get(int arg0), public abstract java.lang.Object set(int arg0,java.lang.Object arg1), public abstract void add(int arg0,java.lang.Object arg1), public abstract java.util.Iterator<java.lang.Object> iterator(), public java.util.Spliterator<java.lang.Object> spliterator(), public void forEach(java.util.function.Consumer<? super java.lang.Object> arg0), public abstract java.lang.Object[] toArray(java.lang.Object[] arg0), public abstract boolean remove(java.lang.Object arg0), public abstract boolean equals(java.lang.Object arg0), public java.util.stream.Stream<java.lang.Object> stream(), public abstract int size()]", mdDescriptors);
// assertTrue(listType.isSubTypeOf(Types.getRootType()));
}

Example 10 with ClassNode

use of kalang.ast.ClassNode in project kalang by kasonyang.

the class InheritanceUtil method isSubclassOf.

public static boolean isSubclassOf(ClassNode childClass, ClassNode parentClass) {
    ObjectType[] interfaces = childClass.getInterfaces();
    ObjectType superType = childClass.getSuperType();
    List<ObjectType> list = new ArrayList(interfaces.length + 1);
    list.addAll(Arrays.asList(interfaces));
    if (superType != null) {
        list.add(superType);
    }
    for (ObjectType it : list) {
        ClassNode clz = it.getClassNode();
        if (clz.equals(parentClass)) {
            return true;
        }
        if (isSubclassOf(clz, parentClass)) {
            return true;
        }
    }
    return false;
}