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

Example 21 with Value

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

the class DeclarationVisitor method visit.

@Override
public void visit(Tree.AttributeSetterDefinition that) {
    Setter s = new Setter();
    s.setImplemented(that.getBlock() != null);
    that.setDeclarationModel(s);
    visitDeclaration(that, s);
    Scope o = enterScope(s);
    Parameter p = new Parameter();
    p.setHidden(true);
    Value v = new Value();
    v.setInitializerParameter(p);
    p.setModel(v);
    v.setName(s.getName());
    p.setName(s.getName());
    p.setDeclaration(s);
    visitElement(that, v);
    unit.addDeclaration(v);
    Scope sc = getContainer(that);
    sc.addMember(v);
    s.setParameter(p);
    super.visit(that);
    exitScope(o);
    if (that.getSpecifierExpression() == null && that.getBlock() == null && !isNativeHeader(s) && !isNativeHeader(s.getGetter())) {
        that.addError("setter declaration must have a body or => specifier");
    }
}

Example 22 with Value

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

the class ClassTransformer method makeGetterOrSetter.

private AttributeDefinitionBuilder makeGetterOrSetter(Tree.AttributeDeclaration decl, boolean forCompanion, AttributeDefinitionBuilder builder, boolean isGetter) {
    at(decl);
    Value declarationModel = decl.getDeclarationModel();
    boolean withinInterface = declarationModel.isInterfaceMember();
    boolean isStatic = declarationModel.isStatic();
    Tree.SpecifierOrInitializerExpression specOrInit = decl.getSpecifierOrInitializerExpression();
    boolean lazy = specOrInit instanceof Tree.LazySpecifierExpression;
    if (forCompanion || lazy || withinInterface && isStatic) {
        if (specOrInit != null) {
            HasErrorException error = errors().getFirstExpressionErrorAndMarkBrokenness(specOrInit.getExpression());
            if (error != null) {
                builder.getterBlock(make().Block(0, List.<JCStatement>of(makeThrowUnresolvedCompilationError(error))));
            } else {
                TypedReference typedRef = getTypedReference(declarationModel);
                TypedReference nonWideningTypedRef = nonWideningTypeDecl(typedRef);
                Type nonWideningType = nonWideningType(typedRef, nonWideningTypedRef);
                int flags = 0;
                if (declarationModel.hasUncheckedNullType())
                    flags |= ExpressionTransformer.EXPR_TARGET_ACCEPTS_NULL;
                if (CodegenUtil.downcastForSmall(specOrInit.getExpression(), declarationModel))
                    flags |= ExpressionTransformer.EXPR_UNSAFE_PRIMITIVE_TYPECAST_OK;
                JCExpression expr = expressionGen().transformExpression(specOrInit.getExpression(), CodegenUtil.getBoxingStrategy(declarationModel), nonWideningType, flags);
                expr = convertToIntIfHashAttribute(declarationModel, expr);
                builder.getterBlock(make().Block(0, List.<JCStatement>of(make().Return(expr))));
            }
        } else {
            JCExpression accessor = naming.makeQualifiedName(naming.makeQuotedThis(), declarationModel, Naming.NA_MEMBER | (isGetter ? Naming.NA_GETTER : Naming.NA_SETTER));
            if (isGetter) {
                builder.getterBlock(make().Block(0, List.<JCStatement>of(make().Return(make().Apply(null, accessor, List.<JCExpression>nil())))));
            } else {
                List<JCExpression> args = List.<JCExpression>of(naming.makeName(declarationModel, Naming.NA_MEMBER | Naming.NA_IDENT));
                builder.setterBlock(make().Block(0, List.<JCStatement>of(make().Exec(make().Apply(null, accessor, args)))));
            }
        }
    }
    if (forCompanion)
        builder.notActual();
    return builder.modifiers(modifierTransformation().getterSetter(declarationModel, forCompanion)).isFormal(declarationModel.isFormal() || withinInterface && !forCompanion && !isStatic).isJavaNative(declarationModel.isJavaNative());
}

Example 23 with Value

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

the class ClassTransformer method transform.

public void transform(Tree.AttributeDeclaration decl, ClassDefinitionBuilder classBuilder) {
    final Value model = decl.getDeclarationModel();
    boolean withinInterface = model.isInterfaceMember();
    Tree.SpecifierOrInitializerExpression initializer = decl.getSpecifierOrInitializerExpression();
    final boolean lazy = initializer instanceof Tree.LazySpecifierExpression;
    String attrName = decl.getIdentifier().getText();
    boolean memoized = Decl.isMemoized(decl);
    boolean isStatic = model.isStatic();
    // Only a non-formal or a concrete-non-lazy attribute has a corresponding field
    // and if a captured class parameter exists with the same name we skip this part as well
    Parameter parameter = CodegenUtil.findParamForDecl(decl);
    boolean useField = !lazy && Strategy.useField(model);
    boolean createField = !lazy && !model.isFormal() && Strategy.createField(parameter, model) && !model.isJavaNative();
    boolean createCompanionField = !lazy && withinInterface && initializer != null;
    JCThrow err = null;
    JCExpression memoizedInitialValue = null;
    if (createCompanionField || createField) {
        TypedReference typedRef = getTypedReference(model);
        TypedReference nonWideningTypedRef = nonWideningTypeDecl(typedRef);
        Type nonWideningType = nonWideningType(typedRef, nonWideningTypedRef);
        if (Decl.isIndirect(decl)) {
            attrName = Naming.getAttrClassName(model, 0);
            nonWideningType = getGetterInterfaceType(model);
        }
        JCExpression initialValue = null;
        BoxingStrategy boxingStrategy = null;
        if (initializer != null) {
            Tree.Expression expression = initializer.getExpression();
            HasErrorException error = errors().getFirstExpressionErrorAndMarkBrokenness(expression.getTerm());
            int flags = CodegenUtil.downcastForSmall(expression, model) ? ExpressionTransformer.EXPR_UNSAFE_PRIMITIVE_TYPECAST_OK : 0;
            flags |= model.hasUncheckedNullType() ? ExpressionTransformer.EXPR_TARGET_ACCEPTS_NULL : 0;
            if (error != null) {
                initialValue = null;
                err = makeThrowUnresolvedCompilationError(error.getErrorMessage().getMessage());
            } else {
                boxingStrategy = useJavaBox(model, nonWideningType) && javaBoxExpression(expression.getTypeModel(), nonWideningType) ? BoxingStrategy.JAVA : CodegenUtil.getBoxingStrategy(model);
                initialValue = expressionGen().transformExpression(expression, boxingStrategy, isStatic && nonWideningType.isTypeParameter() ? typeFact().getAnythingType() : nonWideningType, flags);
            }
        }
        if (memoized) {
            memoizedInitialValue = initialValue;
            initialValue = makeDefaultExprForType(nonWideningType);
        }
        int flags = 0;
        if (!CodegenUtil.isUnBoxed(nonWideningTypedRef.getDeclaration())) {
            flags |= JT_NO_PRIMITIVES;
        }
        long modifiers = useField ? modifierTransformation().field(decl) : modifierTransformation().localVar(decl);
        // does it in those cases)
        if (parameter == null || parameter.isHidden()) {
            JCExpression type;
            if (isStatic && nonWideningType.isTypeParameter()) {
                type = make().Type(syms().objectType);
            } else {
                type = makeJavaType(nonWideningType, flags);
            }
            if (createCompanionField) {
                classBuilder.getCompanionBuilder((TypeDeclaration) model.getContainer()).field(modifiers, attrName, type, initialValue, !useField);
            } else {
                List<JCAnnotation> annos = makeAtIgnore().prependList(expressionGen().transformAnnotations(OutputElement.FIELD, decl));
                if (classBuilder.hasDelegatingConstructors()) {
                    annos = annos.prependList(makeAtNoInitCheck());
                }
                // fields should be ignored, they are accessed by the getters
                if (err == null) {
                    // TODO This should really be using AttributeDefinitionBuilder somehow
                    if (useField) {
                        AttributeDefinitionBuilder adb = AttributeDefinitionBuilder.field(this, null, attrName, model, Decl.isIndirect(decl)).fieldAnnotations(annos).fieldNullability(makeNullabilityAnnotations(model)).initialValue(initialValue, boxingStrategy).fieldVisibilityModifiers(modifiers).modifiers(modifiers);
                        classBuilder.defs(adb.buildFields());
                        List<JCStatement> buildInit = adb.buildInit(false);
                        if (!buildInit.isEmpty()) {
                            if (isStatic) {
                                classBuilder.defs(make().Block(STATIC, buildInit));
                            } else {
                                classBuilder.getInitBuilder().init(buildInit);
                            }
                        }
                    } else if (!memoized) {
                        classBuilder.field(modifiers, attrName, type, initialValue, !useField, annos);
                        if (!isEe(model) && model.isLate() && CodegenUtil.needsLateInitField(model, typeFact())) {
                            classBuilder.field(PRIVATE | Flags.VOLATILE | Flags.TRANSIENT, Naming.getInitializationFieldName(attrName), make().Type(syms().booleanType), make().Literal(false), false, makeAtIgnore());
                        }
                    }
                }
            }
        }
        // A shared attribute might be initialized in a for statement, so
        // we might need a def-assignment subst for it
        JCStatement outerSubs = statementGen().openOuterSubstitutionIfNeeded(model, model.getType(), 0);
        if (outerSubs != null) {
            classBuilder.getInitBuilder().init(outerSubs);
        }
    }
    if (useField || withinInterface || lazy) {
        boolean generateInClassOrInterface = !withinInterface || model.isShared() || isStatic;
        boolean generateInCompanionClass = withinInterface && lazy && !isStatic;
        if (generateInClassOrInterface) {
            // Generate getter in main class or interface (when shared)
            at(decl.getType());
            AttributeDefinitionBuilder getter = makeGetter(decl, false, memoizedInitialValue);
            if (err != null) {
                getter.getterBlock(make().Block(0, List.<JCStatement>of(err)));
            }
            classBuilder.attribute(getter);
        }
        if (generateInCompanionClass) {
            Interface container = (Interface) model.getContainer();
            // Generate getter in companion class
            classBuilder.getCompanionBuilder(container).attribute(makeGetter(decl, true, null));
        }
        if (Decl.isVariable(model) || model.isLate()) {
            if (generateInClassOrInterface) {
                // Generate setter in main class or interface (when shared)
                classBuilder.attribute(makeSetter(decl, false, memoizedInitialValue));
            }
            if (generateInCompanionClass) {
                Interface container = (Interface) model.getContainer();
                // Generate setter in companion class
                classBuilder.getCompanionBuilder(container).attribute(makeSetter(decl, true, null));
            }
        }
    }
}

Example 24 with Value

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

the class ClassTransformer method refineValue.

private Value refineValue(Value formalAttribute, TypedReference producedValue, Scope container, Unit unit) {
    Value refined = new Value();
    refined.setActual(true);
    refined.setContainer(container);
    refined.setName(formalAttribute.getName());
    refined.setRefinedDeclaration(formalAttribute.getRefinedDeclaration());
    refined.setScope(container);
    refined.setVariable(formalAttribute.isVariable());
    refined.setShared(formalAttribute.isShared());
    refined.setTransient(formalAttribute.isTransient());
    // TODO
    refined.setType(producedValue.getType());
    refined.setTypeErased(formalAttribute.getTypeErased());
    refined.setUnboxed(formalAttribute.getUnboxed());
    refined.setUntrustedType(formalAttribute.getUntrustedType());
    refined.setUnit(unit);
    return refined;
}

Example 25 with Value

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

the class ClassTransformer method refineMethod.

/*private Class refineClass(
            Scope container,
            Reference pr,
            ClassOrInterface classModel, 
            Class formalClass,
            Unit unit) {
        Class refined = new Class();
        refined.setActual(true);
        refined.setShared(formalClass.isShared());
        refined.setContainer(container);
        refined.setExtendedType(formalClass.getType());
        refined.setDeprecated(formalClass.isDeprecated());
        refined.setName(formalClass.getName());
        refined.setRefinedDeclaration(formalClass.getRefinedDeclaration());
        refined.setScope(container);
        //refined.setType(pr.getType());
        refined.setUnit(unit);
        for (ParameterList formalPl : formalClass.getParameterLists()) {
            ParameterList refinedPl = new ParameterList();
            for (Parameter formalP : formalPl.getParameters()){
                Parameter refinedP = new Parameter();
                refinedP.setAtLeastOne(formalP.isAtLeastOne());
                refinedP.setDeclaration(refined);
                refinedP.setDefaulted(formalP.isDefaulted());
                refinedP.setDeclaredAnything(formalP.isDeclaredAnything());
                refinedP.setHidden(formalP.isHidden());
                refinedP.setSequenced(formalP.isSequenced());
                refinedP.setName(formalP.getName());
                final TypedReference typedParameter = pr.getTypedParameter(formalP);
                FunctionOrValue paramModel;
                if (formalP.getModel() instanceof Value) {
                    Value paramValueModel = refineValue((Value)formalP.getModel(), typedParameter, refined, classModel.getUnit());
                    paramValueModel.setInitializerParameter(refinedP);
                    paramModel = paramValueModel;
                } else {
                    Function paramFunctionModel = refineMethod(refined, typedParameter, classModel, (Function)formalP.getModel(), unit);
                    paramFunctionModel.setInitializerParameter(refinedP);
                    paramModel = paramFunctionModel; 
                }
                refinedP.setModel(paramModel);
                refinedPl.getParameters().add(refinedP);
            }
            refined.addParameterList(refinedPl);
        }
        return refined;
    }*/
private Function refineMethod(Scope container, TypedReference pr, ClassOrInterface classModel, Function formalMethod, Unit unit) {
    Function refined = new Function();
    refined.setActual(true);
    refined.setShared(formalMethod.isShared());
    refined.setContainer(container);
    // in case there are subclasses
    refined.setDefault(true);
    refined.setDeferred(false);
    refined.setDeprecated(formalMethod.isDeprecated());
    refined.setName(formalMethod.getName());
    refined.setRefinedDeclaration(formalMethod.getRefinedDeclaration());
    refined.setScope(container);
    refined.setType(pr.getType());
    refined.setUnit(unit);
    refined.setUnboxed(formalMethod.getUnboxed());
    refined.setUntrustedType(formalMethod.getUntrustedType());
    refined.setTypeErased(formalMethod.getTypeErased());
    ArrayList<TypeParameter> refinedTp = new ArrayList<TypeParameter>();
    ;
    for (TypeParameter formalTp : formalMethod.getTypeParameters()) {
        refinedTp.add(formalTp);
    }
    refined.setTypeParameters(refinedTp);
    for (ParameterList formalPl : formalMethod.getParameterLists()) {
        ParameterList refinedPl = new ParameterList();
        for (Parameter formalP : formalPl.getParameters()) {
            Parameter refinedP = new Parameter();
            refinedP.setAtLeastOne(formalP.isAtLeastOne());
            refinedP.setDeclaration(refined);
            refinedP.setDefaulted(formalP.isDefaulted());
            refinedP.setDeclaredAnything(formalP.isDeclaredAnything());
            refinedP.setHidden(formalP.isHidden());
            refinedP.setSequenced(formalP.isSequenced());
            refinedP.setName(formalP.getName());
            final TypedReference typedParameter = pr.getTypedParameter(formalP);
            FunctionOrValue paramModel;
            if (formalP.getModel() instanceof Value) {
                Value paramValueModel = refineValue((Value) formalP.getModel(), typedParameter, refined, classModel.getUnit());
                paramValueModel.setInitializerParameter(refinedP);
                paramModel = paramValueModel;
            } else {
                Function paramFunctionModel = refineMethod(refined, typedParameter, classModel, (Function) formalP.getModel(), unit);
                paramFunctionModel.setInitializerParameter(refinedP);
                paramModel = paramFunctionModel;
            }
            refinedP.setModel(paramModel);
            refinedPl.getParameters().add(refinedP);
        }
        refined.addParameterList(refinedPl);
    }
    return refined;
}