Examples with Function com.redhat.ceylon.model.typechecker.model.Function used on opensource projects

Example 6 with Function

use of com.redhat.ceylon.model.typechecker.model.Function in project ceylon-compiler by ceylon.

the class AnnotationModelVisitor method defaultedParameter.

public void defaultedParameter(Tree.SpecifierOrInitializerExpression d) {
    if (annotationConstructor != null) {
        AnnotationConstructorParameter annotationConstructorParameter = instantiation.getConstructorParameters().get(instantiation.getConstructorParameters().size() - 1);
        Declaration t = d.getUnit().getTrueValueDeclaration();
        Declaration f = d.getUnit().getFalseValueDeclaration();
        Term term = d.getExpression().getTerm();
        if (term instanceof Tree.InvocationExpression) {
            Tree.Primary primary = ((Tree.InvocationExpression) term).getPrimary();
            if (primary instanceof Tree.BaseMemberOrTypeExpression && (isAnnotationConstructor(((Tree.BaseMemberOrTypeExpression) primary).getDeclaration()) || isAnnotationClass(((Tree.BaseMemberOrTypeExpression) primary).getDeclaration()))) {
                final AnnotationInvocation prevInstantiation = this.instantiation;
                this.instantiation = new AnnotationInvocation();
                if (isAnnotationConstructor(((Tree.BaseMemberOrTypeExpression) primary).getDeclaration())) {
                    Function constructor = (Function) ((Tree.BaseMemberOrTypeExpression) primary).getDeclaration();
                    instantiation.setConstructorDeclaration(constructor);
                    instantiation.getConstructorParameters().addAll(((AnnotationInvocation) constructor.getAnnotationConstructor()).getConstructorParameters());
                }
                checkingDefaults = true;
                super.visit(d);
                annotationConstructorParameter.setDefaultArgument(this.term);
                this.term = null;
                checkingDefaults = false;
                this.instantiation = prevInstantiation;
            } else {
                errorDefaultedParameter(d);
            }
        } else if (term instanceof Tree.Literal || (term instanceof Tree.NegativeOp && ((Tree.NegativeOp) term).getTerm() instanceof Tree.Literal) || (term instanceof Tree.BaseMemberExpression && (((Tree.BaseMemberExpression) term).getDeclaration().equals(t) || ((Tree.BaseMemberExpression) term).getDeclaration().equals(f) || ((Tree.BaseMemberExpression) term).getDeclaration().isParameter() || Decl.isAnonCaseOfEnumeratedType((Tree.BaseMemberExpression) term)))) {
            checkingDefaults = true;
            super.visit(d);
            annotationConstructorParameter.setDefaultArgument(this.term);
            this.term = null;
            checkingDefaults = false;
        } else if (term instanceof Tree.Tuple || term instanceof Tree.SequenceEnumeration) {
            // TODO Tuples and SequenceEnumerations of the above cases should also be allowed
            checkingDefaults = true;
            super.visit(d);
            annotationConstructorParameter.setDefaultArgument(this.term);
            this.term = null;
            checkingDefaults = false;
        } else {
            errorDefaultedParameter(d);
        }
    }
}

Example 7 with Function

use of com.redhat.ceylon.model.typechecker.model.Function in project ceylon-compiler by ceylon.

the class AbstractTransformer method makeTypeParameter.

JCTypeParameter makeTypeParameter(TypeParameter declarationModel, java.util.List<Type> satisfiedTypesForBounds) {
    TypeParameter typeParameterForBounds = declarationModel;
    if (satisfiedTypesForBounds == null) {
        satisfiedTypesForBounds = declarationModel.getSatisfiedTypes();
    }
    // special case for method refinenement where Java doesn't let us refine the parameter bounds
    if (declarationModel.getContainer() instanceof Function) {
        Function method = (Function) declarationModel.getContainer();
        Function refinedMethod = (Function) method.getRefinedDeclaration();
        if (!Decl.equal(method, refinedMethod)) {
            // find the param index
            int index = method.getTypeParameters().indexOf(declarationModel);
            if (index == -1) {
                log.error("Failed to find type parameter index: " + declarationModel.getName());
            } else if (refinedMethod.getTypeParameters().size() > index) {
                // ignore smaller index than size since the typechecker would have found the error
                TypeParameter refinedTP = refinedMethod.getTypeParameters().get(index);
                if (!haveSameBounds(declarationModel, refinedTP)) {
                    // find the right instantiation of that type parameter
                    TypeDeclaration methodContainer = (TypeDeclaration) method.getContainer();
                    TypeDeclaration refinedMethodContainer = (TypeDeclaration) refinedMethod.getContainer();
                    // find the supertype that gave us that method and its type arguments
                    Type supertype = methodContainer.getType().getSupertype(refinedMethodContainer);
                    satisfiedTypesForBounds = new ArrayList<Type>(refinedTP.getSatisfiedTypes().size());
                    for (Type satisfiedType : refinedTP.getSatisfiedTypes()) {
                        // substitute the refined type parameter bounds with the right type arguments
                        satisfiedTypesForBounds.add(satisfiedType.substitute(supertype));
                    }
                    typeParameterForBounds = refinedTP;
                }
            }
        }
    }
    return makeTypeParameter(declarationModel.getName(), satisfiedTypesForBounds, typeParameterForBounds.isCovariant(), typeParameterForBounds.isContravariant());
}

Example 8 with Function

use of com.redhat.ceylon.model.typechecker.model.Function in project ceylon-compiler by ceylon.

the class ExpressionTransformer method appendDeclarationLiteralForAnnotation.

/**
     * Appends into the given builder a String representation of the given 
     * declaration, suitable for parsing my the DeclarationParser.
     */
private static void appendDeclarationLiteralForAnnotation(Declaration decl, StringBuilder sb) {
    Scope container = decl.getContainer();
    while (true) {
        if (container instanceof Declaration) {
            appendDeclarationLiteralForAnnotation((Declaration) container, sb);
            sb.append(".");
            break;
        } else if (container instanceof Package) {
            appendDeclarationLiteralForAnnotation((Package) container, sb);
            sb.append(":");
            break;
        }
        container = container.getContainer();
    }
    if (decl instanceof Class) {
        sb.append("C").append(decl.getName());
    } else if (decl instanceof Interface) {
        sb.append("I").append(decl.getName());
    } else if (decl instanceof TypeAlias) {
        sb.append("A").append(decl.getName());
    } else if (decl instanceof Value) {
        sb.append("V").append(decl.getName());
    } else if (decl instanceof Function) {
        sb.append("F").append(decl.getName());
    } else if (decl instanceof TypeParameter) {
        sb.append("P").append(decl.getName());
    } else if (decl instanceof Constructor) {
        sb.append("c").append(decl.getName());
    } else {
        throw BugException.unhandledDeclarationCase(decl);
    }
}

Example 9 with Function

use of com.redhat.ceylon.model.typechecker.model.Function in project ceylon-compiler by ceylon.

the class ExpressionTransformer method transformMemberExpression.

private JCExpression transformMemberExpression(Tree.StaticMemberOrTypeExpression expr, JCExpression primaryExpr, TermTransformer transformer) {
    JCExpression result = null;
    // do not throw, an error will already have been reported
    Declaration decl = expr.getDeclaration();
    if (decl == null) {
        return makeErroneous(expr, "compiler bug: expression with no declaration");
    }
    // creating a tmp variable (in which case we have a substitution for it)
    while (decl instanceof TypedDeclaration) {
        TypedDeclaration typedDecl = (TypedDeclaration) decl;
        if (!naming.isSubstituted(decl) && typedDecl.getOriginalDeclaration() != null) {
            decl = ((TypedDeclaration) decl).getOriginalDeclaration();
        } else {
            break;
        }
    }
    // (the header might look like a field while the implementation is a getter)
    if (decl.isNativeHeader()) {
        Declaration d = ModelUtil.getNativeDeclaration(decl, Backend.Java);
        if (d != null) {
            decl = d;
        }
    }
    // Explanation: primaryExpr and qualExpr both specify what is to come before the selector
    // but the important difference is that primaryExpr is used for those situations where
    // the result comes from the actual Ceylon code while qualExpr is used for those situations
    // where we need to refer to synthetic objects (like wrapper classes for toplevel methods)
    JCExpression qualExpr = null;
    String selector = null;
    // true for Java interop using fields, and for super constructor parameters, which must use
    // parameters rather than getter methods
    boolean mustUseField = false;
    // true for default parameter methods
    boolean mustUseParameter = false;
    if (decl instanceof Functional && (!(decl instanceof Class) || ((Class) decl).getParameterList() != null) && (!(decl instanceof Function) || !decl.isParameter() || functionalParameterRequiresCallable((Function) decl, expr)) && isFunctionalResult(expr.getTypeModel())) {
        result = transformFunctional(expr, (Functional) decl);
    } else if (Decl.isGetter(decl)) {
        // invoke the getter
        if (decl.isToplevel()) {
            primaryExpr = null;
            qualExpr = naming.makeName((Value) decl, Naming.NA_FQ | Naming.NA_WRAPPER | Naming.NA_MEMBER);
            selector = null;
        } else if (Decl.withinClassOrInterface(decl) && !Decl.isLocalToInitializer(decl)) {
            selector = naming.selector((Value) decl);
        } else {
            // method local attr
            if (!isRecursiveReference(expr)) {
                primaryExpr = naming.makeQualifiedName(primaryExpr, (Value) decl, Naming.NA_Q_LOCAL_INSTANCE);
            }
            selector = naming.selector((Value) decl);
        }
    } else if (Decl.isValueOrSharedOrCapturedParam(decl)) {
        if (decl.isToplevel()) {
            // ERASURE
            if (isNullValue(decl)) {
                result = makeNull();
            } else if (isBooleanTrue(decl)) {
                result = makeBoolean(true);
            } else if (isBooleanFalse(decl)) {
                result = makeBoolean(false);
            } else {
                // it's a toplevel attribute
                primaryExpr = naming.makeName((TypedDeclaration) decl, Naming.NA_FQ | Naming.NA_WRAPPER);
                selector = naming.selector((TypedDeclaration) decl);
            }
        } else if (Decl.isClassAttribute(decl) || Decl.isClassParameter(decl)) {
            mustUseField = Decl.isJavaField(decl) || (isWithinSuperInvocation() && primaryExpr == null && withinSuperInvocation == decl.getContainer());
            mustUseParameter = (primaryExpr == null && isWithinDefaultParameterExpression(decl.getContainer()));
            if (mustUseField || mustUseParameter) {
                if (decl instanceof FieldValue) {
                    selector = ((FieldValue) decl).getRealName();
                } else if (isWithinSuperInvocation() && ((Value) decl).isVariable() && ((Value) decl).isCaptured()) {
                    selector = Naming.getAliasedParameterName(((Value) decl).getInitializerParameter());
                } else {
                    selector = decl.getName();
                }
            } else {
                // invoke the getter, using the Java interop form of Util.getGetterName because this is the only case
                // (Value inside a Class) where we might refer to JavaBean properties
                selector = naming.selector((TypedDeclaration) decl);
            }
        } else if (decl.isCaptured() || decl.isShared()) {
            TypedDeclaration typedDecl = ((TypedDeclaration) decl);
            TypeDeclaration typeDecl = typedDecl.getType().getDeclaration();
            mustUseField = Decl.isBoxedVariable((TypedDeclaration) decl);
            if (Decl.isLocalNotInitializer(typeDecl) && typeDecl.isAnonymous() && // we need the box if it's a captured object
            !typedDecl.isSelfCaptured()) {
            // accessing a local 'object' declaration, so don't need a getter 
            } else if (decl.isCaptured() && !((TypedDeclaration) decl).isVariable() && // captured objects are never variable but need the box
            !typedDecl.isSelfCaptured()) {
            // accessing a local that is not getter wrapped
            } else {
                primaryExpr = naming.makeQualifiedName(primaryExpr, (TypedDeclaration) decl, Naming.NA_Q_LOCAL_INSTANCE);
                selector = naming.selector((TypedDeclaration) decl);
            }
        }
    } else if (Decl.isMethodOrSharedOrCapturedParam(decl)) {
        mustUseParameter = (primaryExpr == null && decl.isParameter() && isWithinDefaultParameterExpression(decl.getContainer()));
        if (!decl.isParameter() && (Decl.isLocalNotInitializer(decl) || (Decl.isLocalToInitializer(decl) && ((Function) decl).isDeferred()))) {
            primaryExpr = null;
            int flags = Naming.NA_MEMBER;
            if (!isRecursiveReference(expr)) {
                // Only want to quote the method name 
                // e.g. enum.$enum()
                flags |= Naming.NA_WRAPPER_UNQUOTED;
            } else if (!isReferenceInSameScope(expr)) {
                // always qualify it with this
                flags |= Naming.NA_WRAPPER | Naming.NA_WRAPPER_WITH_THIS;
            }
            qualExpr = naming.makeName((Function) decl, flags);
            selector = null;
        } else if (decl.isToplevel()) {
            primaryExpr = null;
            qualExpr = naming.makeName((Function) decl, Naming.NA_FQ | Naming.NA_WRAPPER | Naming.NA_MEMBER);
            selector = null;
        } else if (!isWithinInvocation()) {
            selector = null;
        } else {
            // not toplevel, not within method, must be a class member
            selector = naming.selector((Function) decl);
        }
    }
    boolean isCtor = decl instanceof Function && ((Function) decl).getTypeDeclaration() instanceof Constructor;
    if (result == null) {
        boolean useGetter = !(decl instanceof Function || isCtor) && !mustUseField && !mustUseParameter;
        if (qualExpr == null && selector == null && !(isCtor)) {
            useGetter = Decl.isClassAttribute(decl) && CodegenUtil.isErasedAttribute(decl.getName());
            if (useGetter) {
                selector = naming.selector((TypedDeclaration) decl);
            } else {
                selector = naming.substitute(decl);
            }
        }
        if (qualExpr == null) {
            qualExpr = primaryExpr;
        }
        // cases
        if (!mustUseParameter) {
            qualExpr = addQualifierForObjectMembersOfInterface(expr, decl, qualExpr);
            qualExpr = addInterfaceImplAccessorIfRequired(qualExpr, expr, decl);
            qualExpr = addThisOrObjectQualifierIfRequired(qualExpr, expr, decl);
            if (qualExpr == null && needDollarThis(expr)) {
                qualExpr = makeQualifiedDollarThis((Tree.BaseMemberExpression) expr);
            }
        }
        if (qualExpr == null && (decl.isStaticallyImportable() || (decl instanceof Value && Decl.isEnumeratedConstructor((Value) decl))) && // and not classes
        decl.getContainer() instanceof TypeDeclaration) {
            qualExpr = naming.makeTypeDeclarationExpression(null, (TypeDeclaration) decl.getContainer(), DeclNameFlag.QUALIFIED);
        }
        if (Decl.isPrivateAccessRequiringUpcast(expr)) {
            qualExpr = makePrivateAccessUpcast(expr, qualExpr);
        }
        if (transformer != null) {
            if (decl instanceof TypedDeclaration && ((TypedDeclaration) decl).getType().isTypeConstructor()) {
                // This is a bit of a hack, but we're "invoking a type constructor" 
                // so recurse to get the applied expression. 
                qualExpr = transformMemberExpression(expr, qualExpr, null);
                selector = null;
            }
            result = transformer.transform(qualExpr, selector);
        } else {
            Tree.Primary qmePrimary = null;
            if (expr instanceof Tree.QualifiedMemberOrTypeExpression) {
                qmePrimary = ((Tree.QualifiedMemberOrTypeExpression) expr).getPrimary();
            }
            boolean safeMemberJavaArray = expr instanceof Tree.QualifiedMemberExpression && ((Tree.QualifiedMemberExpression) expr).getMemberOperator() instanceof Tree.SafeMemberOp && isJavaArray(qmePrimary.getTypeModel());
            if ((safeMemberJavaArray || Decl.isValueTypeDecl(qmePrimary)) && // Safe operators always work on boxed things, so don't use value types
            (safeMemberJavaArray || (expr instanceof Tree.QualifiedMemberOrTypeExpression == false) || ((Tree.QualifiedMemberOrTypeExpression) expr).getMemberOperator() instanceof Tree.MemberOp) && // We never want to use value types on boxed things, unless they are java arrays
            (CodegenUtil.isUnBoxed(qmePrimary) || isJavaArray(qmePrimary.getTypeModel())) && // Java arrays length property does not go via value types
            (!isJavaArray(qmePrimary.getTypeModel()) || (!"length".equals(selector) && !"hashCode".equals(selector)))) {
                JCExpression primTypeExpr = makeJavaType(qmePrimary.getTypeModel(), JT_NO_PRIMITIVES | JT_VALUE_TYPE);
                result = makeQualIdent(primTypeExpr, selector);
                result = make().Apply(List.<JCTree.JCExpression>nil(), result, List.<JCTree.JCExpression>of(qualExpr));
            } else if (expr instanceof Tree.QualifiedMemberOrTypeExpression && isThrowableMessage((Tree.QualifiedMemberOrTypeExpression) expr)) {
                result = utilInvocation().throwableMessage(qualExpr);
            } else if (expr instanceof Tree.QualifiedMemberOrTypeExpression && isThrowableSuppressed((Tree.QualifiedMemberOrTypeExpression) expr)) {
                result = utilInvocation().suppressedExceptions(qualExpr);
            } else {
                result = makeQualIdent(qualExpr, selector);
                if (useGetter) {
                    result = make().Apply(List.<JCTree.JCExpression>nil(), result, List.<JCTree.JCExpression>nil());
                }
            }
        }
    }
    if (transformer == null && decl instanceof TypedDeclaration && ((TypedDeclaration) decl).getType().isTypeConstructor() && !expr.getTypeArguments().getTypeModels().isEmpty()) {
        // applying a type constructor
        ListBuffer<JCExpression> tds = ListBuffer.lb();
        for (Type t : expr.getTypeArguments().getTypeModels()) {
            tds.add(makeReifiedTypeArgument(t));
        }
        result = make().Apply(null, makeQualIdent(result, Naming.Unfix.apply.toString()), List.<JCExpression>of(make().NewArray(make().Type(syms().ceylonTypeDescriptorType), List.<JCExpression>nil(), tds.toList())));
    }
    return result;
}

Example 10 with Function

use of com.redhat.ceylon.model.typechecker.model.Function in project ceylon-compiler by ceylon.

the class ExpressionTransformer method transformJavaStaticOrInterfaceMember.

private JCExpression transformJavaStaticOrInterfaceMember(Tree.QualifiedMemberOrTypeExpression qmte, Type staticType) {
    Declaration decl = qmte.getDeclaration();
    if (decl instanceof FieldValue) {
        Value member = (Value) decl;
        return naming.makeName(member, Naming.NA_FQ | Naming.NA_WRAPPER_UNQUOTED);
    } else if (decl instanceof Value) {
        Value member = (Value) decl;
        CallBuilder callBuilder = CallBuilder.instance(this);
        Type qualifyingType = ((TypeDeclaration) member.getContainer()).getType();
        callBuilder.invoke(naming.makeQualifiedName(makeJavaType(qualifyingType, JT_RAW | JT_NO_PRIMITIVES), member, Naming.NA_GETTER | Naming.NA_MEMBER));
        return utilInvocation().checkNull(callBuilder.build());
    } else if (decl instanceof Function) {
        Function method = (Function) decl;
        final ParameterList parameterList = method.getFirstParameterList();
        Type qualifyingType = qmte.getPrimary().getTypeModel();
        Tree.TypeArguments typeArguments = qmte.getTypeArguments();
        Reference producedReference = method.appliedReference(qualifyingType, typeArguments.getTypeModels());
        return utilInvocation().checkNull(makeJavaStaticInvocation(gen(), method, producedReference, parameterList));
    } else if (decl instanceof Class) {
        Class class_ = (Class) decl;
        if (class_.isStaticallyImportable()) {
            return naming.makeTypeDeclarationExpression(null, class_, Naming.DeclNameFlag.QUALIFIED);
        } else {
            final ParameterList parameterList = class_.getFirstParameterList();
            Reference producedReference = qmte.getTarget();
            return utilInvocation().checkNull(makeJavaStaticInvocation(gen(), class_, producedReference, parameterList));
        }
    } else if (decl instanceof Interface) {
        return naming.makeTypeDeclarationExpression(null, (Interface) decl, Naming.DeclNameFlag.QUALIFIED);
    } else {
        return makeErroneous(qmte, "compiler bug: unsupported static");
    }
}