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

Example 1 with Interface

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

the class AbstractTransformer method makeNonEmptyTest.

JCExpression makeNonEmptyTest(JCExpression firstTimeExpr) {
    Interface sequence = typeFact().getSequenceDeclaration();
    JCExpression sequenceType = makeJavaType(sequence.getType(), JT_NO_PRIMITIVES | JT_RAW);
    return make().TypeTest(firstTimeExpr, sequenceType);
}

Example 2 with Interface

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

the class AbstractTransformer method makeParameterisedType.

public JCExpression makeParameterisedType(Type type, Type generalType, final int flags, JCExpression qualifyingExpression, java.util.List<Reference> qualifyingTypes, int firstQualifyingTypeWithTypeParameters, int index) {
    JCExpression baseType;
    TypeDeclaration tdecl = type.getDeclaration();
    ListBuffer<JCExpression> typeArgs = null;
    if (index >= firstQualifyingTypeWithTypeParameters) {
        int taFlags = flags;
        if (qualifyingTypes != null && index < qualifyingTypes.size() - 1) {
            // The qualifying types before the main one should
            // have type parameters with proper variance
            taFlags &= ~(JT_EXTENDS | JT_SATISFIES);
        }
        typeArgs = makeTypeArgs(type, taFlags);
    }
    if (isCeylonCallable(generalType) && (flags & JT_CLASS_NEW) != 0) {
        baseType = makeIdent(syms().ceylonAbstractCallableType);
    } else if (index == 0) {
        // qualified type is static
        if (tdecl instanceof Interface && qualifyingTypes != null && qualifyingTypes.size() > 1 && firstQualifyingTypeWithTypeParameters == 0 && (flags & JT_NON_QUALIFIED) == 0) {
            baseType = naming.makeCompanionClassName(tdecl);
        } else {
            baseType = naming.makeDeclarationName(tdecl, jtFlagsToDeclNameOpts(flags));
        }
    } else {
        baseType = naming.makeTypeDeclarationExpression(qualifyingExpression, tdecl, jtFlagsToDeclNameOpts(flags | JT_NON_QUALIFIED | (type.getDeclaration() instanceof Interface ? JT_COMPANION : 0)));
    }
    if (typeArgs != null && typeArgs.size() > 0) {
        qualifyingExpression = make().TypeApply(baseType, typeArgs.toList());
    } else {
        qualifyingExpression = baseType;
    }
    return qualifyingExpression;
}

Example 3 with Interface

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

the class BoxingVisitor method visit.

@Override
public void visit(QualifiedMemberExpression that) {
    super.visit(that);
    // handle errors gracefully
    if (that.getDeclaration() == null)
        return;
    if (that.getMemberOperator() instanceof Tree.SafeMemberOp) {
        TypedDeclaration decl = (TypedDeclaration) that.getDeclaration();
        if (CodegenUtil.isRaw(decl))
            CodegenUtil.markRaw(that);
        if (CodegenUtil.hasTypeErased(decl))
            CodegenUtil.markTypeErased(that);
        if (CodegenUtil.hasUntrustedType(decl) || hasTypeParameterWithConstraintsOutsideScope(decl.getType(), that.getScope()))
            CodegenUtil.markUntrustedType(that);
    // we must be boxed, since safe member op "?." returns an optional type
    // return;
    } else if (that.getMemberOperator() instanceof Tree.MemberOp && Decl.isValueTypeDecl(that.getPrimary()) && CodegenUtil.isUnBoxed(that.getPrimary())) {
        // it's unboxed if it's an unboxable type or it's declared void
        if (Decl.isValueTypeDecl((TypedDeclaration) that.getDeclaration()) || (that.getDeclaration() instanceof Function && ((Function) that.getDeclaration()).isDeclaredVoid()))
            CodegenUtil.markUnBoxed(that);
        if (CodegenUtil.isRaw((TypedDeclaration) that.getDeclaration()))
            CodegenUtil.markRaw(that);
        if (CodegenUtil.hasTypeErased((TypedDeclaration) that.getDeclaration()))
            CodegenUtil.markTypeErased(that);
    } else {
        propagateFromDeclaration(that, (TypedDeclaration) that.getDeclaration());
    }
    // be (ex: <String>), and in that case we will generate a proper Sequential<String> which is not raw at all
    if (that.getMemberOperator() instanceof Tree.SpreadOp) {
        // find the return element type
        Type elementType = that.getTarget().getType();
        CodegenUtil.markTypeErased(that, hasErasure(elementType));
    }
    if (ExpressionTransformer.isSuperOrSuperOf(that.getPrimary())) {
        // if the target is an interface whose type arguments have been turned to raw, make this expression
        // as erased
        Reference target = that.getTarget();
        if (target != null && target.getQualifyingType() != null && target.getQualifyingType().getDeclaration() instanceof Interface) {
            if (isRaw(target.getQualifyingType())) {
                CodegenUtil.markTypeErased(that);
            } else // See note in ClassTransformer.makeDelegateToCompanion for a similar test
            {
                TypeDeclaration declaration = target.getQualifyingType().getDeclaration();
                if (needsRawCastForMixinSuperCall(declaration, target.getType()))
                    CodegenUtil.markTypeErased(that);
            }
        }
    }
    Type primaryType;
    if (that.getPrimary() instanceof Tree.Package || that.getTarget() == null) {
        primaryType = that.getPrimary().getTypeModel();
    } else {
        primaryType = that.getTarget().getQualifyingType();
    }
    if (primaryType != null && (isRaw(primaryType) || willEraseToSequence(primaryType)) && that.getTarget() != null && that.getTarget().getDeclaration() instanceof TypedDeclaration && CodegenUtil.containsTypeParameter(((TypedDeclaration) that.getTarget().getDeclaration()).getType())) {
        CodegenUtil.markTypeErased(that);
    }
    if (isRaw(primaryType) && that.getTypeModel().getDeclaration().isParameterized()) {
        CodegenUtil.markRaw(that);
    }
}

Example 4 with Interface

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

the class CallableBuilder method methodReference.

/**
 * Constructs an {@code AbstractCallable} suitable for wrapping a
 * method reference. For example:
 * <pre>
 *   void someMethod() { ... }
 *   Anything() ref = someMethod;
 * </pre>
 */
public static JCExpression methodReference(CeylonTransformer gen, final Tree.StaticMemberOrTypeExpression forwardCallTo, ParameterList parameterList, Type expectedType, Type callableType, boolean useParameterTypesFromCallableModel) {
    ListBuffer<JCStatement> letStmts = new ListBuffer<JCStatement>();
    CallableBuilder cb = new CallableBuilder(gen, forwardCallTo, callableType, parameterList);
    cb.parameterTypes = useParameterTypesFromCallableModel ? cb.getParameterTypesFromCallableModel() : cb.getParameterTypesFromParameterModels();
    Naming.SyntheticName instanceFieldName;
    boolean instanceFieldIsBoxed = false;
    if (forwardCallTo instanceof Tree.QualifiedMemberOrTypeExpression && !ExpressionTransformer.isSuperOrSuperOf(((Tree.QualifiedMemberOrTypeExpression) forwardCallTo).getPrimary()) && !ExpressionTransformer.isPackageQualified((Tree.QualifiedMemberOrTypeExpression) forwardCallTo)) {
        if ((((Tree.QualifiedMemberOrTypeExpression) forwardCallTo).getMemberOperator() instanceof Tree.SpreadOp)) {
            instanceFieldIsBoxed = true;
            instanceFieldName = null;
        } else {
            Tree.QualifiedMemberOrTypeExpression qmte = (Tree.QualifiedMemberOrTypeExpression) forwardCallTo;
            boolean prevCallableInv = gen.expressionGen().withinSyntheticClassBody(true);
            try {
                instanceFieldName = gen.naming.synthetic(Unfix.$instance$);
                int varTypeFlags = Decl.isPrivateAccessRequiringCompanion(qmte) ? JT_COMPANION : 0;
                Type primaryType;
                if (Decl.isValueTypeDecl(qmte.getPrimary().getTypeModel())) {
                    primaryType = qmte.getPrimary().getTypeModel();
                } else {
                    primaryType = qmte.getTarget().getQualifyingType();
                }
                if (((Tree.QualifiedMemberOrTypeExpression) forwardCallTo).getMemberOperator() instanceof Tree.SafeMemberOp) {
                    primaryType = gen.typeFact().getOptionalType(primaryType);
                }
                JCExpression primaryExpr = gen.expressionGen().transformQualifiedMemberPrimary(qmte);
                Declaration dec = qmte.getDeclaration();
                if (Decl.isPrivateAccessRequiringCompanion(qmte)) {
                    primaryExpr = gen.naming.makeCompanionAccessorCall(primaryExpr, (Interface) dec.getContainer());
                }
                Type varType = dec.isShared() ? primaryType : Decl.getPrivateAccessType(qmte);
                if (qmte.getPrimary().getUnboxed() == false) {
                    varTypeFlags |= JT_NO_PRIMITIVES;
                    instanceFieldIsBoxed = true;
                }
                letStmts.add(gen.makeVar(Flags.FINAL, instanceFieldName, gen.makeJavaType(varType, varTypeFlags), primaryExpr));
                if (qmte.getPrimary() instanceof Tree.MemberOrTypeExpression && ((Tree.MemberOrTypeExpression) qmte.getPrimary()).getDeclaration() instanceof TypedDeclaration) {
                    cb.instanceSubstitution = gen.naming.addVariableSubst((TypedDeclaration) ((Tree.MemberOrTypeExpression) qmte.getPrimary()).getDeclaration(), instanceFieldName.getName());
                }
            } finally {
                gen.expressionGen().withinSyntheticClassBody(prevCallableInv);
            }
        }
    } else {
        instanceFieldName = null;
    }
    CallableTransformation tx;
    cb.defaultValueCall = new DefaultValueMethodTransformation() {

        @Override
        public JCExpression makeDefaultValueMethod(AbstractTransformer gen, Parameter defaultedParam, List<JCExpression> defaultMethodArgs) {
            JCExpression fn = null;
            if (forwardCallTo instanceof Tree.BaseMemberOrTypeExpression) {
                fn = gen.naming.makeDefaultedParamMethod(null, defaultedParam);
            } else if (forwardCallTo instanceof Tree.QualifiedMemberOrTypeExpression) {
                JCExpression qualifier = gen.expressionGen().transformTermForInvocation(((Tree.QualifiedMemberOrTypeExpression) forwardCallTo).getPrimary(), null);
                fn = gen.naming.makeDefaultedParamMethod(qualifier, defaultedParam);
            }
            return gen.make().Apply(null, fn, defaultMethodArgs);
        }
    };
    if (cb.isVariadic) {
        tx = cb.new VariadicCallableTransformation(cb.new CallMethodWithForwardedBody(instanceFieldName, instanceFieldIsBoxed, forwardCallTo, false, callableType));
    } else {
        tx = cb.new FixedArityCallableTransformation(cb.new CallMethodWithForwardedBody(instanceFieldName, instanceFieldIsBoxed, forwardCallTo, true, callableType), null);
    }
    cb.useTransformation(tx);
    cb.checkForFunctionalInterface(expectedType);
    return letStmts.isEmpty() ? cb.build() : gen.make().LetExpr(letStmts.toList(), cb.build());
}

Example 5 with Interface

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

the class CeylonDoc method getIcons.

protected final List<String> getIcons(Object obj) {
    List<String> icons = new ArrayList<String>();
    if (obj instanceof Declaration) {
        Declaration decl = (Declaration) obj;
        Annotation deprecated = Util.findAnnotation(decl, "deprecated");
        if (deprecated != null) {
            icons.add("icon-decoration-deprecated");
        }
        if (decl instanceof ClassOrInterface || decl instanceof Constructor) {
            if (decl instanceof Interface) {
                icons.add("icon-interface");
                if (Util.isEnumerated((ClassOrInterface) decl)) {
                    icons.add("icon-decoration-enumerated");
                }
            }
            if (decl instanceof Class) {
                Class klass = (Class) decl;
                if (klass.isAnonymous()) {
                    icons.add("icon-object");
                } else {
                    icons.add("icon-class");
                }
                if (klass.isAbstract()) {
                    icons.add("icon-decoration-abstract");
                }
                if (klass.isFinal() && !klass.isAnonymous() && !klass.isAnnotation()) {
                    icons.add("icon-decoration-final");
                }
                if (Util.isEnumerated(klass)) {
                    icons.add("icon-decoration-enumerated");
                }
            }
            if (decl instanceof Constructor) {
                icons.add("icon-class");
            }
            if (!decl.isShared()) {
                icons.add("icon-decoration-local");
            }
        }
        if (decl instanceof TypedDeclaration) {
            if (decl.isShared()) {
                icons.add("icon-shared-member");
            } else {
                icons.add("icon-local-member");
            }
            if (decl.isFormal()) {
                icons.add("icon-decoration-formal");
            }
            if (decl.isActual()) {
                Declaration refinedDeclaration = decl.getRefinedDeclaration();
                if (refinedDeclaration != null) {
                    if (refinedDeclaration.isFormal()) {
                        icons.add("icon-decoration-impl");
                    }
                    if (refinedDeclaration.isDefault()) {
                        icons.add("icon-decoration-over");
                    }
                }
            }
            if (((TypedDeclaration) decl).isVariable()) {
                icons.add("icon-decoration-variable");
            }
        }
        if (decl instanceof TypeAlias || decl instanceof NothingType) {
            icons.add("icon-type-alias");
        }
        if (decl.isAnnotation()) {
            icons.add("icon-decoration-annotation");
        }
    }
    if (obj instanceof Package) {
        Package pkg = (Package) obj;
        icons.add("icon-package");
        if (!pkg.isShared()) {
            icons.add("icon-decoration-local");
        }
    }
    if (obj instanceof ModuleImport) {
        ModuleImport moduleImport = (ModuleImport) obj;
        icons.add("icon-module");
        if (moduleImport.isExport()) {
            icons.add("icon-module-exported-decoration");
        }
        if (moduleImport.isOptional()) {
            icons.add("icon-module-optional-decoration");
        }
    }
    if (obj instanceof Module) {
        icons.add("icon-module");
    }
    return icons;
}