Examples with XFeatureCall org.eclipse.xtext.xbase.XFeatureCall used on opensource projects

Example 51 with XFeatureCall

use of org.eclipse.xtext.xbase.XFeatureCall in project xtext-xtend by eclipse.

the class ExtractMethodRefactoring method checkInitialConditions.

@Override
public RefactoringStatus checkInitialConditions(final IProgressMonitor pm) throws CoreException, OperationCanceledException {
    StatusWrapper status = statusProvider.get();
    IResolvedTypes resolvedTypes = typeResolver.resolveTypes(firstExpression, new CancelIndicator() {

        @Override
        public boolean isCanceled() {
            return pm.isCanceled();
        }
    });
    try {
        Set<String> calledExternalFeatureNames = newHashSet();
        returnType = calculateReturnType(resolvedTypes);
        if (returnType != null && !equal("void", returnType.getIdentifier()))
            returnExpression = lastExpression;
        boolean isReturnAllowed = isEndOfOriginalMethod();
        for (EObject element : EcoreUtil2.eAllContents(originalMethod.getExpression())) {
            if (pm.isCanceled()) {
                throw new OperationCanceledException();
            }
            boolean isLocalExpression = EcoreUtil.isAncestor(expressions, element);
            if (element instanceof XFeatureCall) {
                XFeatureCall featureCall = (XFeatureCall) element;
                JvmIdentifiableElement feature = featureCall.getFeature();
                LightweightTypeReference featureType = resolvedTypes.getActualType(featureCall);
                boolean isLocalFeature = EcoreUtil.isAncestor(expressions, feature);
                if (!isLocalFeature && isLocalExpression) {
                    // call-out
                    if (feature instanceof JvmFormalParameter || feature instanceof XVariableDeclaration) {
                        if (!calledExternalFeatureNames.contains(feature.getSimpleName())) {
                            calledExternalFeatureNames.add(feature.getSimpleName());
                            ParameterInfo parameterInfo = new ParameterInfo(featureType.getIdentifier(), feature.getSimpleName(), parameterInfos.size());
                            parameterInfos.add(parameterInfo);
                            parameter2type.put(parameterInfo, featureType);
                        }
                        externalFeatureCalls.put(feature.getSimpleName(), featureCall);
                    }
                } else if (isLocalFeature && !isLocalExpression) {
                    // call-in
                    if (returnExpression != null) {
                        status.add(RefactoringStatus.FATAL, "Ambiguous return value: Multiple local variables are accessed in subsequent code.");
                        break;
                    }
                    returnExpression = featureCall;
                    returnType = featureType;
                }
            } else if (isLocalExpression) {
                if (element instanceof XReturnExpression && !isReturnAllowed) {
                    status.add(RefactoringStatus.FATAL, "Extracting method would break control flow due to return statements.");
                    break;
                } else if (element instanceof JvmTypeReference) {
                    JvmType type = ((JvmTypeReference) element).getType();
                    if (type instanceof JvmTypeParameter) {
                        JvmOperation operation = associations.getDirectlyInferredOperation(originalMethod);
                        if (operation != null) {
                            List<JvmTypeParameter> typeParameters = operation.getTypeParameters();
                            if (typeParameters.contains(type))
                                neededTypeParameters.add((JvmTypeParameter) type);
                        }
                    }
                } else if (element instanceof JvmFormalParameter)
                    localFeatureNames.add(((JvmFormalParameter) element).getName());
                else if (element instanceof XVariableDeclaration)
                    localFeatureNames.add(((XVariableDeclaration) element).getIdentifier());
            }
        }
    } catch (OperationCanceledException e) {
        throw e;
    } catch (Exception exc) {
        handleException(exc, status);
    }
    return status.getRefactoringStatus();
}

Example 52 with XFeatureCall

use of org.eclipse.xtext.xbase.XFeatureCall in project xtext-xtend by eclipse.

the class XtendHoverSignatureProviderTest method test381185.

@Test
public void test381185() {
    try {
        StringConcatenation _builder = new StringConcatenation();
        _builder.append("package testPackage");
        _builder.newLine();
        _builder.append("class Foo{");
        _builder.newLine();
        _builder.append("\t");
        _builder.append("Bar b");
        _builder.newLine();
        _builder.append("\t");
        _builder.append("def bar(){ ");
        _builder.newLine();
        _builder.append("\t\t");
        _builder.append("b.foo");
        _builder.newLine();
        _builder.append("\t");
        _builder.append("}");
        _builder.newLine();
        _builder.append("}");
        _builder.newLine();
        _builder.append("class Bar {");
        _builder.newLine();
        _builder.append("\t");
        _builder.append("Foo f");
        _builder.newLine();
        _builder.append("\t");
        _builder.append("def foo() {");
        _builder.newLine();
        _builder.append("\t\t");
        _builder.append("f.bar");
        _builder.newLine();
        _builder.append("\t");
        _builder.append("}");
        _builder.newLine();
        _builder.append("}");
        _builder.newLine();
        _builder.newLine();
        final XtendFile xtendFile = this.parseHelper.parse(_builder, this.getResourceSet());
        final XtendClass clazz = IterableExtensions.<XtendClass>head(Iterables.<XtendClass>filter(xtendFile.getXtendTypes(), XtendClass.class));
        final XtendClass clazz2 = IterableExtensions.<XtendClass>head(IterableExtensions.<XtendClass>drop(Iterables.<XtendClass>filter(xtendFile.getXtendTypes(), XtendClass.class), 1));
        XtendMember _get = clazz.getMembers().get(1);
        final XtendFunction function1 = ((XtendFunction) _get);
        XtendMember _get_1 = clazz2.getMembers().get(1);
        final XtendFunction function2 = ((XtendFunction) _get_1);
        XExpression _expression = function1.getExpression();
        final XBlockExpression expression1 = ((XBlockExpression) _expression);
        XExpression _expression_1 = function2.getExpression();
        final XBlockExpression expression2 = ((XBlockExpression) _expression_1);
        XExpression _get_2 = expression1.getExpressions().get(0);
        final XMemberFeatureCall call1 = ((XMemberFeatureCall) _get_2);
        XExpression _get_3 = expression2.getExpressions().get(0);
        final XMemberFeatureCall call2 = ((XMemberFeatureCall) _get_3);
        Assert.assertEquals("Object Bar.foo()", this.signatureProvider.getSignature(call1.getFeature()));
        Assert.assertEquals("Object Foo.bar()", this.signatureProvider.getSignature(call2.getFeature()));
        XExpression _memberCallTarget = call1.getMemberCallTarget();
        Assert.assertEquals("Bar Foo.b", this.signatureProvider.getSignature(((XFeatureCall) _memberCallTarget).getFeature()));
        XExpression _memberCallTarget_1 = call2.getMemberCallTarget();
        Assert.assertEquals("Foo Bar.f", this.signatureProvider.getSignature(((XFeatureCall) _memberCallTarget_1).getFeature()));
    } catch (Throwable _e) {
        throw Exceptions.sneakyThrow(_e);
    }
}

Example 53 with XFeatureCall

use of org.eclipse.xtext.xbase.XFeatureCall in project xtext-xtend by eclipse.

the class XtendHoverSignatureProviderTest method testSignatureDelegateConstructorCall_02.

@Ignore
@Test
public void testSignatureDelegateConstructorCall_02() {
    try {
        StringConcatenation _builder = new StringConcatenation();
        _builder.append("package testPackage");
        _builder.newLine();
        _builder.append("class Foo<S extends CharSequence> {");
        _builder.newLine();
        _builder.append("\t");
        _builder.append("new(int i) {");
        _builder.newLine();
        _builder.append("\t\t");
        _builder.append("this(StringBuilder)");
        _builder.newLine();
        _builder.append("\t");
        _builder.append("}");
        _builder.newLine();
        _builder.append("\t");
        _builder.append("new<X>(Class<X> c) {}");
        _builder.newLine();
        _builder.append("}");
        _builder.newLine();
        final XtendFile xtendFile = this.parseHelper.parse(_builder, this.getResourceSet());
        final XtendClass clazz = IterableExtensions.<XtendClass>head(Iterables.<XtendClass>filter(xtendFile.getXtendTypes(), XtendClass.class));
        XtendMember _get = clazz.getMembers().get(0);
        final XtendConstructor xtendConstructor = ((XtendConstructor) _get);
        XExpression _expression = xtendConstructor.getExpression();
        XExpression _get_1 = ((XBlockExpression) _expression).getExpressions().get(0);
        final XFeatureCall featureCall = ((XFeatureCall) _get_1);
        final String signature = this.signatureProvider.getSignature(featureCall);
        Assert.assertEquals("Foo<S>()", signature);
    } catch (Throwable _e) {
        throw Exceptions.sneakyThrow(_e);
    }
}

Example 54 with XFeatureCall

use of org.eclipse.xtext.xbase.XFeatureCall in project xtext-xtend by eclipse.

the class XtendHoverSignatureProviderTest method testSignatureDelegateConstructorCall_01.

@Ignore
@Test
public void testSignatureDelegateConstructorCall_01() {
    try {
        StringConcatenation _builder = new StringConcatenation();
        _builder.append("package testPackage");
        _builder.newLine();
        _builder.append("class Foo<S extends CharSequence> {");
        _builder.newLine();
        _builder.append("\t");
        _builder.append("new(int i) {");
        _builder.newLine();
        _builder.append("\t\t");
        _builder.append("this()");
        _builder.newLine();
        _builder.append("\t");
        _builder.append("}");
        _builder.newLine();
        _builder.append("\t");
        _builder.append("new() {}");
        _builder.newLine();
        _builder.append("}");
        _builder.newLine();
        final XtendFile xtendFile = this.parseHelper.parse(_builder, this.getResourceSet());
        final XtendClass clazz = IterableExtensions.<XtendClass>head(Iterables.<XtendClass>filter(xtendFile.getXtendTypes(), XtendClass.class));
        XtendMember _get = clazz.getMembers().get(0);
        final XtendConstructor xtendConstructor = ((XtendConstructor) _get);
        XExpression _expression = xtendConstructor.getExpression();
        XExpression _get_1 = ((XBlockExpression) _expression).getExpressions().get(0);
        final XFeatureCall featureCall = ((XFeatureCall) _get_1);
        final String signature = this.signatureProvider.getSignature(featureCall);
        Assert.assertEquals("Foo<S>()", signature);
    } catch (Throwable _e) {
        throw Exceptions.sneakyThrow(_e);
    }
}

Example 55 with XFeatureCall

use of org.eclipse.xtext.xbase.XFeatureCall in project xtext-xtend by eclipse.

the class LinkingTest method testStaticImports_12.

@Test
public void testStaticImports_12() throws Exception {
    String fileAsText = "import static extension com.google.common.collect.Iterables.*\n" + "import static java.util.Collections.*\n" + "class Clazz { def void method() { find(singletonList(''), [e|e.length!=0])} }";
    XtendFile file = file(fileAsText, true);
    XtendFunction function = (XtendFunction) ((XtendClass) file.getXtendTypes().get(0)).getMembers().get(0);
    XFeatureCall featureCall = (XFeatureCall) ((XBlockExpression) function.getExpression()).getExpressions().get(0);
    String identifier = featureCall.getFeature().getIdentifier();
    assertEquals("com.google.common.collect.Iterables.find(java.lang.Iterable,com.google.common.base.Predicate)", identifier);
}