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

Example 1 with Parameter

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

the class AbstractTransformer method getTypedSignature.

private java.util.List<Type> getTypedSignature(Type currentType, TypedDeclaration found) {
    // check that its signature is compatible
    java.util.List<ParameterList> parameterLists = ((Function) found).getParameterLists();
    if (parameterLists == null || parameterLists.isEmpty())
        return null;
    // only consider first param list
    java.util.List<Parameter> parameters = parameterLists.get(0).getParameters();
    if (parameters == null)
        return null;
    TypedReference typedMember = currentType.getTypedMember(found, Collections.<Type>emptyList());
    if (typedMember == null)
        return null;
    java.util.List<Type> typedSignature = new ArrayList<Type>(parameters.size());
    for (Parameter p : parameters) {
        Type parameterType = typedMember.getTypedParameter(p).getFullType();
        typedSignature.add(parameterType);
    }
    return typedSignature;
}

Example 2 with Parameter

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

the class BoxingDeclarationVisitor method setBoxingState.

private void setBoxingState(TypedDeclaration declaration, TypedDeclaration refinedDeclaration, Node that) {
    Type type = declaration.getType();
    if (type == null) {
        // an error must have already been reported
        return;
    }
    // fetch the real refined declaration if required
    if (Decl.equal(declaration, refinedDeclaration) && declaration instanceof FunctionOrValue && ((FunctionOrValue) declaration).isParameter() && declaration.getContainer() instanceof Class) {
        // maybe it is really inherited from a field?
        FunctionOrValue methodOrValueForParam = (FunctionOrValue) declaration;
        if (methodOrValueForParam != null) {
            // make sure we get the refined version of that member
            refinedDeclaration = (TypedDeclaration) methodOrValueForParam.getRefinedDeclaration();
        }
    }
    // inherit underlying type constraints
    if (!Decl.equal(refinedDeclaration, declaration)) {
        // simple case
        if (type.getUnderlyingType() == null && refinedDeclaration.getType() != null) {
            if (type.isCached()) {
                type = type.clone();
            }
            type.setUnderlyingType(refinedDeclaration.getType().getUnderlyingType());
            declaration.setType(type);
        }
        // special case for variadics
        if (Decl.isValueParameter(refinedDeclaration)) {
            Parameter parameter = ((FunctionOrValue) refinedDeclaration).getInitializerParameter();
            if (parameter.isSequenced()) {
                // inherit the underlying type of the iterated type
                Type refinedIteratedType = refinedDeclaration.getType().getTypeArgumentList().get(0);
                if (refinedIteratedType.getUnderlyingType() != null) {
                    Type ourIteratedType = type.getTypeArgumentList().get(0);
                    if (ourIteratedType.getUnderlyingType() == null) {
                        if (ourIteratedType.isCached()) {
                            ourIteratedType = ourIteratedType.clone();
                        }
                        ourIteratedType.setUnderlyingType(refinedIteratedType.getUnderlyingType());
                        type.getTypeArgumentList().set(0, ourIteratedType);
                        // make sure we remove those types from the cache otherwise UGLY things happen
                        TypeCache cache = type.getDeclaration().getUnit().getCache();
                        if (cache != null) {
                            cache.remove(ourIteratedType);
                            cache.remove(type);
                        }
                    }
                }
            }
        }
    }
    // abort if our boxing state has already been set
    if (declaration.getUnboxed() != null)
        return;
    // functional parameter return values are always boxed if we're not creating a method for them
    if (declaration instanceof Function && ((Function) declaration).isParameter() && !JvmBackendUtil.createMethod((Function) declaration)) {
        declaration.setUnboxed(false);
        return;
    }
    if (!Decl.equal(refinedDeclaration, declaration)) {
        // make sure refined declarations have already been set
        if (refinedDeclaration.getUnboxed() == null)
            setBoxingState(refinedDeclaration, refinedDeclaration, that);
        // inherit
        declaration.setUnboxed(refinedDeclaration.getUnboxed());
    } else if (declaration instanceof Function && Strategy.useBoxedVoid((Function) declaration) && !(refinedDeclaration.getTypeDeclaration() instanceof TypeParameter) && !CodegenUtil.isContainerFunctionalParameter(refinedDeclaration) && !(refinedDeclaration instanceof Functional && Decl.isMpl((Functional) refinedDeclaration))) {
        declaration.setUnboxed(false);
    } else if ((isCeylonBasicType(type) || Decl.isUnboxedVoid(declaration)) && !(refinedDeclaration.getTypeDeclaration() instanceof TypeParameter) && (refinedDeclaration.getContainer() instanceof Declaration == false || !CodegenUtil.isContainerFunctionalParameter(refinedDeclaration)) && !(refinedDeclaration instanceof Functional && Decl.isMpl((Functional) refinedDeclaration))) {
        boolean unbox = !forceBoxedLocals || !(declaration instanceof Value) || !Decl.isLocal(declaration) || Decl.isParameter(declaration) || Decl.isTransient(declaration);
        // until it's used later by user code
        if (declaration.getOriginalDeclaration() != null && declaration.hasUncheckedNullType())
            unbox = false;
        declaration.setUnboxed(unbox);
    } else if (Decl.isValueParameter(declaration) && CodegenUtil.isContainerFunctionalParameter(declaration) && JvmBackendUtil.createMethod((FunctionOrValue) declaration.getContainer())) {
        Function functionalParameter = (Function) declaration.getContainer();
        TypedDeclaration refinedFrom = (TypedDeclaration) CodegenUtil.getTopmostRefinedDeclaration(functionalParameter, optimisedMethodSpecifiersToMethods);
        if (Decl.equal(refinedFrom, functionalParameter)) {
            // not a method return type (where void would be considered unboxed).
            if (declaration.getUnit().getAnythingType().isExactly(declaration.getType()) || declaration.getUnit().isOptionalType(declaration.getType())) {
                declaration.setUnboxed(false);
            } else {
                declaration.setUnboxed(true);
            }
        } else {
            // make sure refined declarations have already been set
            if (refinedFrom.getUnboxed() == null)
                setBoxingState(refinedFrom, refinedFrom, that);
            // inherit
            declaration.setUnboxed(refinedFrom.getUnboxed());
        }
    } else {
        declaration.setUnboxed(false);
    }
    // Any "@boxed" or "@unboxed" compiler annotation overrides
    boxFromAnnotation(declaration, that);
}

Example 3 with Parameter

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

the class CallableBuilder method getParameterTypesFromParameterModels.

private java.util.List<Type> getParameterTypesFromParameterModels() {
    java.util.List<Type> parameterTypes = new ArrayList<Type>(numParams);
    // get them from our declaration
    for (Parameter p : paramLists.getParameters()) {
        Type pt;
        FunctionOrValue pm = p.getModel();
        if (pm instanceof Function && ((Function) pm).isParameter())
            pt = gen.getTypeForFunctionalParameter((Function) pm);
        else
            pt = p.getType();
        parameterTypes.add(pt);
    }
    return parameterTypes;
}

Example 4 with Parameter

use of org.eclipse.ceylon.model.typechecker.model.Parameter 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 Parameter

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

the class CallableBuilder method makeCallTypedMethod.

/**
 * Makes the {@code call$typed()} method, using the given body.
 */
private MethodDefinitionBuilder makeCallTypedMethod(List<JCStatement> body) {
    // make the method
    MethodDefinitionBuilder methodBuilder = MethodDefinitionBuilder.systemMethod(gen, Naming.getCallableTypedMethodName());
    methodBuilder.noAnnotations();
    methodBuilder.modifiers(Flags.PRIVATE);
    Type returnType = gen.getReturnTypeOfCallable(typeModel);
    methodBuilder.resultType(gen.makeJavaType(returnType, JT_NO_PRIMITIVES), null);
    // add all parameters
    int i = 0;
    for (Parameter param : paramLists.getParameters()) {
        ParameterDefinitionBuilder parameterBuilder = ParameterDefinitionBuilder.systemParameter(gen, Naming.getAliasedParameterName(param));
        JCExpression paramType = gen.makeJavaType(parameterTypes.get(i));
        parameterBuilder.modifiers(Flags.FINAL);
        parameterBuilder.type(new TransformedType(paramType));
        methodBuilder.parameter(parameterBuilder);
        i++;
    }
    // Return the call result, or null if a void method
    methodBuilder.body(body);
    return methodBuilder;
}