Examples with VirtualApiTMethod org.eclipse.n4js.transpiler.utils.ScriptApiTracker.VirtualApiTMethod used on opensource projects

Example 1 with VirtualApiTMethod

use of org.eclipse.n4js.transpiler.utils.ScriptApiTracker.VirtualApiTMethod in project n4js by eclipse.

the class MissingApiMembersForTranspiler method create.

/**
 * Returns a tuple of collections used by transpiler to generate interface or class members.
 */
public static MissingApiMembersForTranspiler create(ContainerTypesHelper containerTypesHelper, ScriptApiTracker apiTracker, TClassifier type, ConcreteMembersOrderedForTranspiler cmoft, Script context) {
    MemberCollector collector = containerTypesHelper.fromContext(context);
    // IDE-1510 create missing API-methods here.
    MemberList<TMethod> missingApiMethods = new MemberList<>();
    if (type instanceof TClass) {
        List<TMethod> c = apiTracker.computeMissingApiMethods((TClass) type, context);
        missingApiMethods.addAll(c);
        List<VirtualApiTMethod> missingAPIfromInheritance = apiTracker.computeMethodDiff((TClass) type, collector, cmoft.ownedAndMixedInConcreteMembers, missingApiMethods);
        missingApiMethods.addAll(missingAPIfromInheritance);
    }
    if (type instanceof TInterface) {
        List<TMethod> c = apiTracker.computeMissingApiMethods((TInterface) type, context);
        missingApiMethods.addAll(c);
    }
    // IDE-1510 create missing API-fields here.
    List<AccessorTuple> missingApiAccessorTuples = new ArrayList<>();
    {
        List<AccessorTuple> computedMissingApiGetterSetter = apiTracker.computeMissingApiGetterSetter((TN4Classifier) type, cmoft.concreteAccessorTuples);
        List<AccessorTuple> computedMissingApiFields = apiTracker.computeMissingApiFields((TN4Classifier) type);
        // In case of field vs. getter the implementation should be free to choose the form.
        // So filter out all missing set/get pairs which are backed by a field (either concrete or inherited)
        List<AccessorTuple> filteredMissingApiGetterSetter = filterOutTuplesImplementedByField(computedMissingApiGetterSetter, cmoft.ownedAndMixedInConcreteMembers, cmoft.concreteInheritedMembers);
        // Some logic applies to missing fields which are backed by a getter/setter. The situation here is a
        // little bit more complex as the set/get must be processed as a pair and one could be missing or they stem
        // from different (super-)types.
        // *Beware* not side-effect free since we have to mix in virtual getter/setter into an existing but
        // incomplete accessor-pairs
        List<AccessorTuple> filteredMissingApiFields0 = filterMissingApiFieldsAndEnrichExistingTuples(computedMissingApiFields, cmoft.concreteAccessorTuples);
        List<AccessorTuple> filteredMissingApiFields = filterMissingApiFieldsImplementedBySuperGetSet(filteredMissingApiFields0, cmoft.concreteInheritedMembers);
        missingApiAccessorTuples.addAll(filteredMissingApiGetterSetter);
        missingApiAccessorTuples.addAll(filteredMissingApiFields);
    }
    MemberList<TField> fieldsOverridingAccessors = getFieldsOverridingAccessor(cmoft.ownedAndMixedInConcreteMembers, cmoft.concreteInheritedMembers);
    // compute the list of mixed in fields, which do not override any Accessor (handled separately)
    MemberList<TField> fieldsPurelyMixedInNotOverridingAccessor = new MemberList<>();
    fieldsPurelyMixedInNotOverridingAccessor.addAll(cmoft.ownedAndMixedInConcreteMembers.stream().filter(it -> it instanceof TField && // must stem from different type
    it.getContainingType() != type).map(it -> (TField) it).filter(// remove the ones overriding get/set
    it -> !fieldsOverridingAccessors.contains(it)).collect(Collectors.toList()));
    return new MissingApiMembersForTranspiler(missingApiMethods, missingApiAccessorTuples);
}