Examples with IntersectionType org.eclipse.ceylon.model.typechecker.model.IntersectionType used on opensource projects

Example 6 with IntersectionType

use of org.eclipse.ceylon.model.typechecker.model.IntersectionType in project ceylon by eclipse.

the class TypeParserTests method testIntersection.

@Test
public void testIntersection() {
    Type type = new TypeParser(MockLoader.instance).decodeType("a&b&c", null, mockDefaultModule, mockPkgUnit);
    Assert.assertNotNull(type);
    TypeDeclaration declaration = type.getDeclaration();
    Assert.assertNotNull(declaration);
    Assert.assertTrue(declaration instanceof IntersectionType);
    IntersectionType intersection = (IntersectionType) declaration;
    List<Type> types = intersection.getSatisfiedTypes();
    Assert.assertEquals(3, types.size());
    Assert.assertEquals("a", types.get(0).getDeclaration().getName());
    Assert.assertTrue(types.get(0).getDeclaration() instanceof Class);
    Assert.assertEquals("b", types.get(1).getDeclaration().getName());
    Assert.assertTrue(types.get(1).getDeclaration() instanceof Class);
    Assert.assertEquals("c", types.get(2).getDeclaration().getName());
    Assert.assertTrue(types.get(2).getDeclaration() instanceof Class);
}

Example 7 with IntersectionType

use of org.eclipse.ceylon.model.typechecker.model.IntersectionType in project ceylon by eclipse.

the class TypeParserTests method testOptionalAbbrev.

@Test
public void testOptionalAbbrev() {
    Type type = new TypeParser(MockLoader.instance).decodeType("a?", null, mockDefaultModule, mockPkgUnit);
    Assert.assertNotNull(type);
    TypeDeclaration declaration = type.getDeclaration();
    Assert.assertNotNull(declaration);
    Assert.assertTrue(declaration instanceof UnionType);
    Assert.assertEquals("ceylon.language::Null|a", printType(type));
    Assert.assertNull(type.getQualifyingType());
    type = new TypeParser(MockLoader.instance).decodeType("pkg::u&pkg::v?", null, mockDefaultModule, mockPkgUnit);
    Assert.assertNotNull(type);
    declaration = type.getDeclaration();
    Assert.assertNotNull(declaration);
    Assert.assertTrue(declaration instanceof IntersectionType);
    Assert.assertEquals("pkg::u&<ceylon.language::Null|pkg::v>", printType(type));
    Assert.assertNull(type.getQualifyingType());
    type = new TypeParser(MockLoader.instance).decodeType("pkg::u|pkg::v[]?", null, mockDefaultModule, mockPkgUnit);
    Assert.assertNotNull(type);
    declaration = type.getDeclaration();
    Assert.assertNotNull(declaration);
    Assert.assertTrue(declaration instanceof UnionType);
    Assert.assertEquals("pkg::u|ceylon.language::Null|ceylon.language::Sequential<pkg::v>", printType(type));
    Assert.assertNull(type.getQualifyingType());
}

Example 8 with IntersectionType

use of org.eclipse.ceylon.model.typechecker.model.IntersectionType in project ceylon by eclipse.

the class JsonPackage method getTypeFromJson.

/**
 * Looks up a type from model data, creating it if necessary. The returned type will have its
 * type parameters substituted if needed.
 */
private Type getTypeFromJson(Map<String, Object> m, Declaration container, List<TypeParameter> typeParams) {
    TypeDeclaration td = null;
    if (m.get(KEY_METATYPE) instanceof TypeDeclaration) {
        td = (TypeDeclaration) m.get(KEY_METATYPE);
        if (td instanceof ClassOrInterface && td.getUnit().getPackage() instanceof JsonPackage) {
            ((JsonPackage) td.getUnit().getPackage()).load(td.getName(), typeParams);
        }
    }
    final String tname = (String) m.get(KEY_NAME);
    if ("$U".equals(tname)) {
        m.put(KEY_METATYPE, unknown);
        return unknown.getType();
    }
    if (td == null && m.containsKey("comp")) {
        @SuppressWarnings("unchecked") final List<Map<String, Object>> tmaps = (List<Map<String, Object>>) m.get(KEY_TYPES);
        final ArrayList<Type> types = new ArrayList<>(tmaps.size());
        if ("u".equals(m.get("comp"))) {
            UnionType ut = new UnionType(u2);
            for (Map<String, Object> tmap : tmaps) {
                types.add(getTypeFromJson(tmap, container, typeParams));
            }
            ut.setCaseTypes(types);
            td = ut;
        } else if ("i".equals(m.get("comp"))) {
            IntersectionType it = new IntersectionType(u2);
            for (Map<String, Object> tmap : tmaps) {
                types.add(getTypeFromJson(tmap, container, typeParams));
            }
            it.setSatisfiedTypes(types);
            td = it;
        } else {
            throw new IllegalArgumentException("Invalid composite type '" + m.get("comp") + "'");
        }
    } else if (td == null) {
        final String pname = (String) m.get(KEY_PACKAGE);
        if (pname == null) {
            // It's a ref to a type parameter
            final List<TypeParameter> containerTypeParameters;
            if (container instanceof Constructor) {
                containerTypeParameters = ((Generic) container.getContainer()).getTypeParameters();
            } else if (container instanceof Generic) {
                containerTypeParameters = container.getTypeParameters();
            } else {
                containerTypeParameters = null;
            }
            if (containerTypeParameters != null) {
                for (TypeParameter typeParam : containerTypeParameters) {
                    if (typeParam.getName().equals(tname)) {
                        td = typeParam;
                    }
                }
            }
            if (td == null && typeParams != null) {
                for (TypeParameter typeParam : typeParams) {
                    if (typeParam.getName().equals(tname)) {
                        td = typeParam;
                    }
                }
            }
        } else {
            String mname = (String) m.get(KEY_MODULE);
            if ("$".equals(mname)) {
                mname = LANGUAGE_MODULE_NAME;
            }
            org.eclipse.ceylon.model.typechecker.model.Package rp;
            if ("$".equals(pname) || LANGUAGE_MODULE_NAME.equals(pname)) {
                // Language module package
                rp = isLanguagePackage() ? this : getModule().getLanguageModule().getDirectPackage(LANGUAGE_MODULE_NAME);
            } else if (mname == null) {
                // local type
                if (".".equals(pname)) {
                    rp = this;
                    if (container instanceof TypeDeclaration && tname.equals(container.getName())) {
                        td = (TypeDeclaration) container;
                    }
                } else {
                    rp = getModule().getDirectPackage(pname);
                }
            } else {
                rp = getModule().getPackage(pname);
            }
            if (rp == null) {
                throw new CompilerErrorException("Package not found: " + pname);
            }
            if (rp != this && rp instanceof JsonPackage && !((JsonPackage) rp).loaded) {
                ((JsonPackage) rp).loadIfNecessary();
            }
            final boolean nested = tname.indexOf('.') > 0;
            final String level1 = nested ? tname.substring(0, tname.indexOf('.')) : tname;
            if (rp != null && !nested) {
                Declaration d = rp.getDirectMember(tname, null, false);
                if (d instanceof TypeDeclaration) {
                    td = (TypeDeclaration) d;
                    if (td.isTuple()) {
                        if (m.containsKey(KEY_TYPES)) {
                            @SuppressWarnings("unchecked") List<Map<String, Object>> elemaps = (List<Map<String, Object>>) m.get(KEY_TYPES);
                            ArrayList<Type> elems = new ArrayList<>(elemaps.size());
                            for (Map<String, Object> elem : elemaps) {
                                elems.add(getTypeFromJson(elem, container, typeParams));
                            }
                            Type tail = elems.get(elems.size() - 1);
                            if ((tail.isSequence() || tail.isSequential()) && !tail.isTuple() && !tail.isEmpty()) {
                                elems.remove(elems.size() - 1);
                            } else {
                                tail = null;
                            }
                            return u2.getTupleType(elems, tail, -1);
                        } else if (m.containsKey("count")) {
                            @SuppressWarnings("unchecked") Map<String, Object> elem = (Map<String, Object>) m.get(KEY_TYPE);
                            Type[] elems = new Type[(int) m.remove("count")];
                            Arrays.fill(elems, getTypeFromJson(elem, container, typeParams));
                            return u2.getTupleType(Arrays.asList(elems), null, -1);
                        }
                    }
                } else if (d instanceof FunctionOrValue) {
                    td = ((FunctionOrValue) d).getTypeDeclaration();
                }
            }
            if (td == null && rp instanceof JsonPackage) {
                if (nested) {
                    td = ((JsonPackage) rp).loadNestedType(tname, typeParams);
                } else {
                    td = (TypeDeclaration) ((JsonPackage) rp).load(tname, typeParams);
                }
            }
            // Then look in the top-level declarations
            if (nested && td == null) {
                for (Declaration d : rp.getMembers()) {
                    if (d instanceof TypeDeclaration && level1.equals(d.getName())) {
                        td = (TypeDeclaration) d;
                    }
                }
                final String[] path = tname.split("\\.");
                for (int i = 1; i < path.length; i++) {
                    td = (TypeDeclaration) td.getDirectMember(path[i], null, false);
                }
            }
        }
    }
    // From 1.2.3 we stored type arguments in maps
    final Type newType = loadTypeArguments(m, td, container, typeParams);
    if (newType != null) {
        return newType;
    }
    // This is the old pre 1.2.3 stuff
    @SuppressWarnings("unchecked") final List<Map<String, Object>> modelParms = (List<Map<String, Object>>) m.get(KEY_TYPE_PARAMS);
    if (td != null && modelParms != null) {
        // Substitute type parameters
        final HashMap<TypeParameter, Type> concretes = new HashMap<>();
        HashMap<TypeParameter, SiteVariance> variances = null;
        if (td.getTypeParameters().size() < modelParms.size()) {
            if (td.getUnit().getPackage() == this) {
                parseTypeParameters(modelParms, td, null);
            }
        }
        final Iterator<TypeParameter> viter = td.getTypeParameters().iterator();
        for (Map<String, Object> ptparm : modelParms) {
            TypeParameter _cparm = viter.next();
            if (ptparm.containsKey(KEY_PACKAGE) || ptparm.containsKey(KEY_TYPES)) {
                // Substitute for proper type
                final Type _pt = getTypeFromJson(ptparm, container, typeParams);
                concretes.put(_cparm, _pt);
            } else if (ptparm.containsKey(KEY_NAME) && typeParams != null) {
                // Look for type parameter with same name
                for (TypeParameter typeParam : typeParams) {
                    if (typeParam.getName().equals(ptparm.get(KEY_NAME))) {
                        concretes.put(_cparm, typeParam.getType());
                    }
                }
            }
            Integer usv = (Integer) ptparm.get(KEY_US_VARIANCE);
            if (usv != null) {
                if (variances == null) {
                    variances = new HashMap<>();
                }
                variances.put(_cparm, SiteVariance.values()[usv]);
            }
        }
        if (!concretes.isEmpty()) {
            return td.getType().substitute(concretes, variances);
        }
    }
    if (td == null) {
        try {
            throw new IllegalArgumentException(String.format("Couldn't find type %s::%s for %s in %s<%s> (FROM pkg %s)", m.get(KEY_PACKAGE), m.get(KEY_NAME), m.get(KEY_MODULE), m, typeParams, getNameAsString()));
        } catch (IllegalArgumentException ex) {
            ex.printStackTrace();
        }
    }
    return td.getType();
}

Example 9 with IntersectionType

use of org.eclipse.ceylon.model.typechecker.model.IntersectionType in project ceylon by eclipse.

the class ReferenceCounter method visit.

@Override
public void visit(Tree.SimpleType that) {
    super.visit(that);
    TypeDeclaration t = that.getDeclarationModel();
    if (t != null && !(t instanceof UnionType) && !(t instanceof IntersectionType)) {
        referenced(t);
    }
}

Example 10 with IntersectionType

use of org.eclipse.ceylon.model.typechecker.model.IntersectionType in project ceylon by eclipse.

the class GenerateJsVisitor method visit.

@Override
public void visit(final Tree.Return that) {
    if (that.getExpression() == null) {
        final Declaration contDecl = ModelUtil.getContainingDeclarationOfScope(that.getScope());
        if (contDecl instanceof Class) {
            out("return ", names.self((Class) contDecl), ";");
        } else {
            out("return;");
        }
        endLine();
        return;
    }
    out("return ");
    final Type returnType = that.getExpression().getTypeModel();
    if (isInDynamicBlock() && ModelUtil.isTypeUnknown(returnType)) {
        Declaration cont = ModelUtil.getContainingDeclarationOfScope(that.getScope());
        Type dectype = ((Declaration) cont).getReference().getType();
        if (dectype != null && dectype.isTypeParameter() && !dectype.getSatisfiedTypes().isEmpty()) {
            // Check for dynamic interfaces
            List<Type> dyntypes = null;
            for (Type tp : dectype.getSatisfiedTypes()) {
                if (tp.getDeclaration() != null && tp.getDeclaration().isDynamic()) {
                    if (dyntypes == null) {
                        dyntypes = new ArrayList<>(dectype.getSatisfiedTypes().size());
                    }
                    dyntypes.add(tp);
                }
            }
            if (dyntypes != null) {
                if (dyntypes.size() == 1) {
                    dectype = dyntypes.get(0);
                } else {
                    IntersectionType itype = new IntersectionType(that.getUnit());
                    itype.setSatisfiedTypes(dyntypes);
                    dectype = itype.getType();
                }
            }
        }
        if (!ModelUtil.isTypeUnknown(dectype)) {
            TypeUtils.generateDynamicCheck(that.getExpression(), dectype, this, false, returnType.getTypeArguments());
            endLine(true);
            return;
        }
    }
    if (isNaturalLiteral(that.getExpression().getTerm())) {
        out(";");
    } else {
        super.visit(that);
    }
}