Examples with JvmType org.eclipse.xtext.common.types.JvmType used on opensource projects

Example 51 with JvmType

use of org.eclipse.xtext.common.types.JvmType in project xtext-xtend by eclipse.

the class XtendQuickfixProvider method addThrowsDeclaration.

@Fix(org.eclipse.xtext.xbase.validation.IssueCodes.UNHANDLED_EXCEPTION)
public void addThrowsDeclaration(final Issue issue, IssueResolutionAcceptor acceptor) {
    if (issue.getData() != null && issue.getData().length > 0)
        acceptor.accept(issue, "Add throws declaration", "Add throws declaration", "fix_indent.gif", new ISemanticModification() {

            @Override
            public void apply(EObject element, IModificationContext context) throws Exception {
                String[] issueData = issue.getData();
                XtendExecutable xtendExecutable = EcoreUtil2.getContainerOfType(element, XtendExecutable.class);
                XtextResource xtextResource = (XtextResource) xtendExecutable.eResource();
                List<JvmType> exceptions = getExceptions(issueData, xtextResource);
                if (exceptions.size() > 0) {
                    int insertPosition;
                    if (xtendExecutable.getExpression() == null) {
                        ICompositeNode functionNode = NodeModelUtils.findActualNodeFor(xtendExecutable);
                        if (functionNode == null)
                            throw new IllegalStateException("functionNode may not be null");
                        insertPosition = functionNode.getEndOffset();
                    } else {
                        ICompositeNode expressionNode = NodeModelUtils.findActualNodeFor(xtendExecutable.getExpression());
                        if (expressionNode == null)
                            throw new IllegalStateException("expressionNode may not be null");
                        insertPosition = expressionNode.getOffset();
                    }
                    ReplacingAppendable appendable = appendableFactory.create(context.getXtextDocument(), (XtextResource) xtendExecutable.eResource(), insertPosition, 0);
                    if (xtendExecutable.getExpression() == null)
                        appendable.append(" ");
                    EList<JvmTypeReference> thrownExceptions = xtendExecutable.getExceptions();
                    if (thrownExceptions.isEmpty())
                        appendable.append("throws ");
                    else
                        appendable.append(", ");
                    for (int i = 0; i < exceptions.size(); i++) {
                        appendable.append(exceptions.get(i));
                        if (i != exceptions.size() - 1) {
                            appendable.append(", ");
                        }
                    }
                    if (xtendExecutable.getExpression() != null)
                        appendable.append(" ");
                    appendable.commitChanges();
                }
            }
        });
}

Example 52 with JvmType

use of org.eclipse.xtext.common.types.JvmType in project xtext-xtend by eclipse.

the class XtendQuickfixProvider method surroundWithTryCatch.

@Fix(org.eclipse.xtext.xbase.validation.IssueCodes.UNHANDLED_EXCEPTION)
public void surroundWithTryCatch(final Issue issue, IssueResolutionAcceptor acceptor) {
    if (issue.getData() == null || issue.getData().length <= 1) {
        return;
    }
    IModificationContext modificationContext = getModificationContextFactory().createModificationContext(issue);
    IXtextDocument xtextDocument = modificationContext.getXtextDocument();
    if (xtextDocument == null) {
        return;
    }
    if (isJvmConstructorCall(xtextDocument, issue)) {
        return;
    }
    acceptor.accept(issue, "Surround with try/catch block", "Surround with try/catch block", "fix_indent.gif", new ISemanticModification() {

        @Override
        public void apply(EObject element, IModificationContext context) throws Exception {
            String[] issueData = issue.getData();
            URI childURI = URI.createURI(issueData[issueData.length - 1]);
            XtextResource xtextResource = (XtextResource) element.eResource();
            List<JvmType> exceptions = getExceptions(issueData, xtextResource);
            if (exceptions.size() > 0) {
                EObject childThrowingException = xtextResource.getResourceSet().getEObject(childURI, true);
                XExpression toBeSurrounded = findContainerExpressionInBlockExpression(childThrowingException);
                IXtextDocument xtextDocument = context.getXtextDocument();
                if (toBeSurrounded != null) {
                    ICompositeNode toBeSurroundedNode = NodeModelUtils.findActualNodeFor(toBeSurrounded);
                    if (toBeSurroundedNode == null)
                        throw new IllegalStateException("toBeSurroundedNode may not be null");
                    ITextRegion toBeSurroundedRegion = toBeSurroundedNode.getTextRegion();
                    ReplacingAppendable appendable = appendableFactory.create(context.getXtextDocument(), (XtextResource) childThrowingException.eResource(), toBeSurroundedRegion.getOffset(), toBeSurroundedRegion.getLength());
                    appendable.append("try {").increaseIndentation().newLine().append(xtextDocument.get(toBeSurroundedRegion.getOffset(), toBeSurroundedRegion.getLength())).decreaseIndentation().newLine();
                    for (JvmType exceptionType : exceptions) {
                        appendable.append("} catch (").append(exceptionType).append(" exc) {").increaseIndentation().newLine().append("throw new RuntimeException(\"auto-generated try/catch\", exc)").decreaseIndentation().newLine();
                    }
                    appendable.append("}");
                    appendable.commitChanges();
                }
            }
        }
    });
}

Example 53 with JvmType

use of org.eclipse.xtext.common.types.JvmType in project xtext-xtend by eclipse.

the class DispatchRenameSupport method addDispatcher.

protected boolean addDispatcher(JvmGenericType type, DispatchHelper.DispatchSignature signature, final IAcceptor<JvmOperation> acceptor, final Set<JvmGenericType> processedTypes, ResourceSet tempResourceSet) {
    if (processedTypes.contains(type))
        return false;
    processedTypes.add(type);
    boolean needProcessSubclasses = false;
    JvmOperation dispatcher = dispatchHelper.getDispatcherOperation(type, signature);
    if (dispatcher != null) {
        needProcessSubclasses = true;
        acceptor.accept(dispatcher);
    }
    for (JvmOperation dispatchCase : dispatchHelper.getLocalDispatchCases(type, signature)) {
        needProcessSubclasses = true;
        acceptor.accept(dispatchCase);
    }
    for (JvmTypeReference superTypeRef : type.getSuperTypes()) {
        JvmType superType = superTypeRef.getType();
        if (superType instanceof JvmGenericType)
            needProcessSubclasses |= addDispatcher((JvmGenericType) superType, signature, acceptor, processedTypes, tempResourceSet);
    }
    if (needProcessSubclasses) {
        for (JvmGenericType subType : getSubTypes(type, tempResourceSet)) needProcessSubclasses |= addDispatcher(subType, signature, acceptor, processedTypes, tempResourceSet);
    }
    return needProcessSubclasses;
}

Example 54 with JvmType

use of org.eclipse.xtext.common.types.JvmType 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 55 with JvmType

use of org.eclipse.xtext.common.types.JvmType in project xtext-xtend by eclipse.

the class XtendHoverSignatureProviderTest method testInterfaceReference.

@Test
public void testInterfaceReference() {
    try {
        StringConcatenation _builder = new StringConcatenation();
        _builder.append("package testPackage");
        _builder.newLine();
        _builder.append("class Bar implements Foo {");
        _builder.newLine();
        _builder.newLine();
        _builder.append("}");
        _builder.newLine();
        _builder.append("interface Foo { }");
        _builder.newLine();
        final XtendFile xtendFile = this.parseHelper.parse(_builder, this.getResourceSet());
        XtendTypeDeclaration _head = IterableExtensions.<XtendTypeDeclaration>head(xtendFile.getXtendTypes());
        final JvmType in = IterableExtensions.<JvmTypeReference>head(((XtendClass) _head).getImplements()).getType();
        Assert.assertEquals("Foo", this.signatureProvider.getSignature(in));
    } catch (Throwable _e) {
        throw Exceptions.sneakyThrow(_e);
    }
}