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

Example 1 with ParameterList

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

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

the class CallableBuilder method javaStaticMethodReference.

public static CallableBuilder javaStaticMethodReference(CeylonTransformer gen, Node node, Type typeModel, final Functional methodOrClass, Reference producedReference, Type expectedType) {
    final ParameterList parameterList = methodOrClass.getFirstParameterList();
    CallableBuilder inner = new CallableBuilder(gen, node, typeModel, parameterList);
    ArrayList<Type> pt = new ArrayList<>();
    for (Parameter p : methodOrClass.getFirstParameterList().getParameters()) {
        pt.add(((Tree.MemberOrTypeExpression) node).getTarget().getTypedParameter(p).getType());
    }
    inner.parameterTypes = pt;
    inner.defaultValueCall = inner.new MemberReferenceDefaultValueCall(methodOrClass);
    JCExpression innerInvocation = gen.expressionGen().makeJavaStaticInvocation(gen, methodOrClass, producedReference, parameterList);
    // Need to worry about boxing for Function and FunctionalParameter
    if (methodOrClass instanceof TypedDeclaration) {
        innerInvocation = gen.expressionGen().applyErasureAndBoxing(innerInvocation, methodOrClass.getType(), !CodegenUtil.isUnBoxed((TypedDeclaration) methodOrClass), BoxingStrategy.BOXED, methodOrClass.getType());
    } else if (Strategy.isInstantiatorUntyped((Class) methodOrClass)) {
        // $new method declared to return Object, so needs typecast
        innerInvocation = gen.make().TypeCast(gen.makeJavaType(((Class) methodOrClass).getType()), innerInvocation);
    }
    List<JCStatement> innerBody = List.<JCStatement>of(gen.make().Return(innerInvocation));
    inner.useDefaultTransformation(innerBody);
    if (expectedType != null)
        inner.checkForFunctionalInterface(expectedType);
    return inner;
}

Example 3 with ParameterList

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

the class ClassOrPackageDoc method getParametersAssertions.

private Map<Parameter, Map<Tree.Assertion, List<Tree.Condition>>> getParametersAssertions(final Declaration decl) {
    final Map<Parameter, Map<Tree.Assertion, List<Tree.Condition>>> parametersAssertions = new LinkedHashMap<Parameter, Map<Tree.Assertion, List<Tree.Condition>>>();
    if (((Functional) decl).getParameterLists().isEmpty()) {
        return parametersAssertions;
    }
    Node node = tool.getNode(decl);
    PhasedUnit pu = tool.getUnit(decl);
    if (node == null || pu == null) {
        return parametersAssertions;
    }
    Tree.Body body = null;
    if (node instanceof Tree.MethodDefinition) {
        body = ((Tree.MethodDefinition) node).getBlock();
    } else if (node instanceof Tree.ClassDefinition) {
        body = ((Tree.ClassDefinition) node).getClassBody();
    }
    if (body == null) {
        return parametersAssertions;
    }
    final Map<String, Parameter> parametersNames = new HashMap<String, Parameter>();
    for (ParameterList parameterList : ((Functional) decl).getParameterLists()) {
        for (Parameter parameter : parameterList.getParameters()) {
            parametersNames.put(parameter.getName(), parameter);
        }
    }
    body.visitChildren(new Visitor() {

        private boolean stop = false;

        private Tree.Assertion assertion = null;

        private Set<Parameter> referencedParameters = new HashSet<Parameter>();

        @Override
        public void visit(Tree.Assertion that) {
            assertion = that;
            super.visit(that);
            assertion = null;
        }

        @Override
        public void visit(Tree.Condition that) {
            referencedParameters.clear();
            super.visit(that);
            if (assertion != null && !referencedParameters.isEmpty()) {
                for (Parameter referencedParameter : referencedParameters) {
                    Map<Tree.Assertion, List<Tree.Condition>> parameterAssertions = parametersAssertions.get(referencedParameter);
                    if (parameterAssertions == null) {
                        parameterAssertions = new LinkedHashMap<Tree.Assertion, List<Tree.Condition>>();
                        parametersAssertions.put(referencedParameter, parameterAssertions);
                    }
                    List<Tree.Condition> parameterConditions = parameterAssertions.get(assertion);
                    if (parameterConditions == null) {
                        parameterConditions = new ArrayList<Tree.Condition>();
                        parameterAssertions.put(assertion, parameterConditions);
                    }
                    parameterConditions.add(that);
                }
            }
        }

        @Override
        public void visit(Tree.BaseMemberExpression that) {
            if (assertion != null) {
                Declaration d = that.getDeclaration();
                Scope realScope = org.eclipse.ceylon.model.typechecker.model.ModelUtil.getRealScope(d.getScope());
                if (parametersNames.containsKey(d.getName()) && realScope == decl) {
                    referencedParameters.add(parametersNames.get(d.getName()));
                }
            }
            super.visit(that);
        }

        @Override
        public void visit(Tree.Statement that) {
            if (assertion == null) {
                stop = true;
            }
            super.visit(that);
        }

        @Override
        public void visitAny(Node that) {
            if (!stop) {
                super.visitAny(that);
            }
        }
    });
    return parametersAssertions;
}

Example 4 with ParameterList

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

the class ExpressionVisitor method inferParameterTypesDirectly.

/**
 * Infer parameter types of anonymous function arguments
 * in a direct invocation with named arguments.
 *
 * Also sets references from arguments back to parameters
 * by side effect.
 */
private void inferParameterTypesDirectly(Tree.NamedArgumentList nal, Tree.MemberOrTypeExpression mte, Declaration dec) {
    Reference reference = getInvokedProducedReference(dec, mte);
    Functional fun = (Functional) dec;
    List<ParameterList> pls = fun.getParameterLists();
    if (!pls.isEmpty()) {
        Set<Parameter> foundParameters = new HashSet<Parameter>();
        ParameterList pl = pls.get(0);
        List<Tree.NamedArgument> args = nal.getNamedArguments();
        for (int i = 0; i < args.size(); i++) {
            Tree.NamedArgument arg = args.get(i);
            Parameter param = getMatchingParameter(pl, arg, foundParameters);
            if (param != null) {
                foundParameters.add(param);
                arg.setParameter(param);
                if (arg instanceof Tree.SpecifiedArgument) {
                    Tree.SpecifiedArgument sa = (Tree.SpecifiedArgument) arg;
                    Tree.SpecifierExpression se = sa.getSpecifierExpression();
                    if (se != null) {
                        setupTargetParameters(reference, param, se.getExpression());
                        inferParameterTypes(reference, param, se.getExpression(), false, true);
                    }
                }
            }
        }
        Tree.SequencedArgument sa = nal.getSequencedArgument();
        if (sa != null) {
            Parameter param = getUnspecifiedParameter(reference, pl, foundParameters);
            if (param != null) {
                sa.setParameter(param);
                for (Tree.PositionalArgument pa : sa.getPositionalArguments()) {
                    if (pa instanceof Tree.ListedArgument) {
                        Tree.ListedArgument la = (Tree.ListedArgument) pa;
                        la.setParameter(param);
                        setupTargetParameters(reference, param, la.getExpression());
                        inferParameterTypes(reference, param, la.getExpression(), true, true);
                    }
                }
            }
        }
    }
}

Example 5 with ParameterList

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

the class ExpressionVisitor method createAnonymousFunctionParameters.

/**
 * Iterate over the arguments of an invocation
 * looking for anonymous functions with missing
 * parameter lists, and create the parameter
 * lists from the type of the parameters to
 * which the arguments are assigned.
 */
private void createAnonymousFunctionParameters(Tree.InvocationExpression that) {
    Tree.Primary primary = that.getPrimary();
    Tree.PositionalArgumentList argList = that.getPositionalArgumentList();
    if (argList != null && primary instanceof Tree.MemberOrTypeExpression) {
        Tree.MemberOrTypeExpression mte = (Tree.MemberOrTypeExpression) primary;
        List<Tree.PositionalArgument> args = argList.getPositionalArguments();
        Declaration dec = mte.getDeclaration();
        if (dec instanceof Functional) {
            Functional fun = (Functional) dec;
            ParameterList paramList = fun.getFirstParameterList();
            if (paramList != null) {
                List<Parameter> params = paramList.getParameters();
                for (int i = 0, asz = args.size(), psz = params.size(); i < asz && i < psz; i++) {
                    Tree.PositionalArgument arg = args.get(i);
                    Parameter param = params.get(i);
                    if (arg instanceof Tree.ListedArgument && param != null) {
                        Tree.ListedArgument larg = (Tree.ListedArgument) arg;
                        List<Parameter> fpl = inferrableParameters(param);
                        Tree.Expression ex = larg.getExpression();
                        if (ex != null && fpl != null) {
                            Tree.Term term = ex.getTerm();
                            if (term instanceof Tree.FunctionArgument) {
                                Tree.FunctionArgument anon = (Tree.FunctionArgument) term;
                                createAnonymousFunctionParameters(fpl, term, anon);
                            }
                        }
                    }
                }
            }
        }
    }
}