Examples with FunctionReferenceNode org.ballerinalang.plugins.idea.psi.FunctionReferenceNode used on opensource projects

Example 1 with FunctionReferenceNode

use of org.ballerinalang.plugins.idea.psi.FunctionReferenceNode in project ballerina by ballerina-lang.

the class BallerinaPsiImplUtil method getStructDefinition.

/**
 * Finds a {@link StructDefinitionNode} which corresponds to the provided {@link VariableReferenceNode}.
 *
 * @param variableReferenceNode   an variable reference node in the assignment statement node
 * @param assignmentStatementNode an assignment statement node
 * @param structReferenceNode     an identifier which is a var variable in the assignment node
 * @return
 */
private static StructDefinitionNode getStructDefinition(@NotNull VariableReferenceNode variableReferenceNode, @NotNull AssignmentStatementNode assignmentStatementNode, @NotNull IdentifierPSINode structReferenceNode) {
    InvocationNode invocationNode = PsiTreeUtil.getChildOfType(variableReferenceNode, InvocationNode.class);
    if (invocationNode != null) {
        AnyIdentifierNameNode anyIdentifierNameNode = PsiTreeUtil.getChildOfType(invocationNode, AnyIdentifierNameNode.class);
        if (anyIdentifierNameNode != null) {
            IdentifierPSINode identifier = PsiTreeUtil.getChildOfType(anyIdentifierNameNode, IdentifierPSINode.class);
            if (identifier != null) {
                PsiReference reference = identifier.findReferenceAt(identifier.getTextLength());
                if (reference == null) {
                    return null;
                }
                PsiElement resolvedElement = reference.resolve();
                if (resolvedElement == null) {
                    return null;
                }
                // Check whether the resolved element's parent is a connector definition.
                PsiElement definitionNode = resolvedElement.getParent();
                if (!(definitionNode instanceof ActionDefinitionNode)) {
                    return null;
                }
                return getStructDefinition(assignmentStatementNode, structReferenceNode, definitionNode);
            }
        }
    }
    // Get the first child.
    PsiElement node = variableReferenceNode.getFirstChild();
    // If te first child is a VariableReferenceNode, it can be a function invocation.
    if (node instanceof VariableReferenceNode) {
        // Check whether the node is a function invocation.
        boolean isFunctionInvocation = isFunctionInvocation((VariableReferenceNode) node);
        if (isFunctionInvocation) {
            // If it is a function invocation, the first child node will contain the function name.
            PsiElement functionName = node.getFirstChild();
            // We need to resolve the function name to the corresponding function definition.
            PsiReference reference = functionName.findReferenceAt(functionName.getTextLength());
            if (reference == null) {
                return null;
            }
            PsiElement resolvedFunctionIdentifier = reference.resolve();
            if (resolvedFunctionIdentifier == null) {
                return null;
            }
            // Check whether the resolved element's parent is a function definition.
            PsiElement definitionNode = resolvedFunctionIdentifier.getParent();
            if (!(definitionNode instanceof FunctionDefinitionNode)) {
                return null;
            }
            return getStructDefinition(assignmentStatementNode, structReferenceNode, definitionNode);
        }
    } else if (node instanceof NameReferenceNode) {
        // If the node is a NameReferenceNode, that means RHS contains a variable.
        PsiReference reference = node.findReferenceAt(node.getTextLength());
        if (reference == null) {
            return null;
        }
        // We resolve that variable to the definition.
        PsiElement resolvedDefinition = reference.resolve();
        if (resolvedDefinition == null || !(resolvedDefinition instanceof IdentifierPSINode)) {
            return null;
        }
        // Then recursively call the findStructDefinition method to get the correct definition.
        return findStructDefinition((IdentifierPSINode) resolvedDefinition);
    } else if (node instanceof FunctionInvocationNode) {
        FunctionReferenceNode functionReferenceNode = PsiTreeUtil.getChildOfType(node, FunctionReferenceNode.class);
        if (functionReferenceNode == null) {
            return null;
        }
        PsiReference reference = functionReferenceNode.findReferenceAt(functionReferenceNode.getTextLength());
        if (reference == null) {
            return null;
        }
        PsiElement resolvedDefinition = reference.resolve();
        if (resolvedDefinition == null || !(resolvedDefinition instanceof IdentifierPSINode)) {
            return null;
        }
        PsiElement definitionNode = resolvedDefinition.getParent();
        if (!(definitionNode instanceof FunctionDefinitionNode)) {
            return null;
        }
        return getStructDefinition(assignmentStatementNode, structReferenceNode, definitionNode);
    }
    return null;
}

Example 2 with FunctionReferenceNode

use of org.ballerinalang.plugins.idea.psi.FunctionReferenceNode in project ballerina by ballerina-lang.

the class BallerinaParameterInfoHandler method findElement.

@Nullable
public static Object findElement(@NotNull PsiElement element, @Nullable PsiElement prevElement) {
    // This will allow us to identify the correct ExpressionListNode element.
    if (")".equals(element.getText())) {
        PsiElement parent = element.getParent();
        // invocations will not show proper parameters.
        if (parent != null && !(parent instanceof ActionInvocationNode)) {
            FunctionReferenceNode functionReferenceNode = PsiTreeUtil.getChildOfType(parent, FunctionReferenceNode.class);
            if (functionReferenceNode != null) {
                return functionReferenceNode;
            }
            ConnectorReferenceNode connectorReferenceNode = PsiTreeUtil.getChildOfType(parent, ConnectorReferenceNode.class);
            if (connectorReferenceNode != null) {
                return connectorReferenceNode;
            }
            if (parent instanceof StatementNode) {
                PsiElement firstChild = parent.getFirstChild();
                PsiElement prevVisibleLeaf = PsiTreeUtil.prevVisibleLeaf(firstChild);
                if (prevVisibleLeaf == null || !"(".equals(prevVisibleLeaf.getText())) {
                    if (firstChild instanceof PsiErrorElement) {
                        return PsiTreeUtil.findChildOfType(firstChild, IdentifierPSINode.class);
                    }
                    return prevVisibleLeaf;
                } else if ("(".equals(prevVisibleLeaf.getText())) {
                    return PsiTreeUtil.prevVisibleLeaf(prevVisibleLeaf);
                } else {
                    return prevVisibleLeaf.getParent().getFirstChild();
                }
            }
        }
        // contain "(".
        if (prevElement != null) {
            element = prevElement;
        }
    }
    PsiElement node = PsiTreeUtil.getParentOfType(element, ExpressionListNode.class);
    // ExpressionListNode can be null if there are no arguments provided.
    if (node != null) {
        return node;
    }
    // So we check return the FunctionInvocationNode in that case.
    node = PsiTreeUtil.getParentOfType(element, FunctionInvocationNode.class);
    if (node != null) {
        return node;
    }
    // If FunctionInvocationNode is null, we check return the ActionInvocationNode in that case.
    node = PsiTreeUtil.getParentOfType(element, ActionInvocationNode.class);
    if (node != null) {
        return node;
    }
    // If ActionInvocationNode is null, we check return the ConnectorInitNode in that case.
    node = PsiTreeUtil.getParentOfType(element, InvocationNode.class);
    if (node != null) {
        return node;
    }
    // any expression node parent.
    if (element != null && "(".equals(element.getText())) {
        node = PsiTreeUtil.getParentOfType(element, ExpressionNode.class);
    }
    if (node != null) {
        return node;
    }
    if (prevElement != null && prevElement.getText().matches("[{,]") || prevElement instanceof LeafPsiElement) {
        return resolve(prevElement);
    }
    return null;
}

Example 3 with FunctionReferenceNode

use of org.ballerinalang.plugins.idea.psi.FunctionReferenceNode in project ballerina by ballerina-lang.

the class BallerinaParserDefinition method createElement.

@NotNull
public PsiElement createElement(ASTNode node) {
    IElementType elementType = node.getElementType();
    if (elementType instanceof TokenIElementType) {
        return new ANTLRPsiNode(node);
    }
    if (!(elementType instanceof RuleIElementType)) {
        return new ANTLRPsiNode(node);
    }
    RuleIElementType ruleElType = (RuleIElementType) elementType;
    switch(ruleElType.getRuleIndex()) {
        case BallerinaParser.RULE_functionDefinition:
            return new FunctionDefinitionNode(node);
        case BallerinaParser.RULE_callableUnitBody:
            return new CallableUnitBodyNode(node);
        case BallerinaParser.RULE_nameReference:
            return new NameReferenceNode(node);
        case BallerinaParser.RULE_variableReference:
            return new VariableReferenceNode(node);
        case BallerinaParser.RULE_variableDefinitionStatement:
            return new VariableDefinitionNode(node);
        case BallerinaParser.RULE_parameter:
            return new ParameterNode(node);
        case BallerinaParser.RULE_resourceDefinition:
            return new ResourceDefinitionNode(node);
        case BallerinaParser.RULE_packageName:
            return new PackageNameNode(node);
        case BallerinaParser.RULE_fullyQualifiedPackageName:
            return new FullyQualifiedPackageNameNode(node);
        case BallerinaParser.RULE_expressionList:
            return new ExpressionListNode(node);
        case BallerinaParser.RULE_expression:
            return new ExpressionNode(node);
        case BallerinaParser.RULE_functionInvocation:
            return new FunctionInvocationNode(node);
        case BallerinaParser.RULE_compilationUnit:
            return new CompilationUnitNode(node);
        case BallerinaParser.RULE_packageDeclaration:
            return new PackageDeclarationNode(node);
        case BallerinaParser.RULE_annotationAttachment:
            return new AnnotationAttachmentNode(node);
        case BallerinaParser.RULE_serviceBody:
            return new ServiceBodyNode(node);
        case BallerinaParser.RULE_importDeclaration:
            return new ImportDeclarationNode(node);
        case BallerinaParser.RULE_statement:
            return new StatementNode(node);
        case BallerinaParser.RULE_typeName:
            return new TypeNameNode(node);
        case BallerinaParser.RULE_constantDefinition:
            return new ConstantDefinitionNode(node);
        case BallerinaParser.RULE_structDefinition:
            return new StructDefinitionNode(node);
        case BallerinaParser.RULE_simpleLiteral:
            return new SimpleLiteralNode(node);
        case BallerinaParser.RULE_packageAlias:
            return new AliasNode(node);
        case BallerinaParser.RULE_parameterList:
            return new ParameterListNode(node);
        case BallerinaParser.RULE_fieldDefinition:
            return new FieldDefinitionNode(node);
        case BallerinaParser.RULE_parameterTypeNameList:
            return new ParameterTypeNameList(node);
        case BallerinaParser.RULE_parameterTypeName:
            return new ConnectorInitNode(node);
        case BallerinaParser.RULE_serviceDefinition:
            return new ServiceDefinitionNode(node);
        case BallerinaParser.RULE_valueTypeName:
            return new ValueTypeNameNode(node);
        case BallerinaParser.RULE_annotationDefinition:
            return new AnnotationAttributeValueNode(node);
        case BallerinaParser.RULE_structBody:
            return new StructBodyNode(node);
        case BallerinaParser.RULE_returnParameter:
            return new ReturnParameterNode(node);
        case BallerinaParser.RULE_attachmentPoint:
            return new AttachmentPointNode(node);
        case BallerinaParser.RULE_definition:
            return new DefinitionNode(node);
        case BallerinaParser.RULE_ifElseStatement:
            return new IfElseStatementNode(node);
        case BallerinaParser.RULE_assignmentStatement:
            return new AssignmentStatementNode(node);
        case BallerinaParser.RULE_variableReferenceList:
            return new VariableReferenceListNode(node);
        case BallerinaParser.RULE_recordLiteral:
            return new RecordLiteralNode(node);
        case BallerinaParser.RULE_globalVariableDefinition:
            return new GlobalVariableDefinitionNode(node);
        case BallerinaParser.RULE_recordKeyValue:
            return new RecordKeyValueNode(node);
        case BallerinaParser.RULE_forkJoinStatement:
            return new ForkJoinStatementNode(node);
        case BallerinaParser.RULE_returnStatement:
            return new ReturnStatementNode(node);
        case BallerinaParser.RULE_throwStatement:
            return new ThrowStatementNode(node);
        case BallerinaParser.RULE_transformerDefinition:
            return new TransformerDefinitionNode(node);
        case BallerinaParser.RULE_workerReply:
            return new WorkerReplyNode(node);
        case BallerinaParser.RULE_triggerWorker:
            return new TriggerWorkerNode(node);
        case BallerinaParser.RULE_workerDeclaration:
            return new WorkerDeclarationNode(node);
        case BallerinaParser.RULE_workerBody:
            return new WorkerBodyNode(node);
        case BallerinaParser.RULE_joinConditions:
            return new JoinConditionNode(node);
        case BallerinaParser.RULE_field:
            return new FieldNode(node);
        case BallerinaParser.RULE_recordKey:
            return new RecordKeyNode(node);
        case BallerinaParser.RULE_recordValue:
            return new RecordValueNode(node);
        case BallerinaParser.RULE_functionReference:
            return new FunctionReferenceNode(node);
        case BallerinaParser.RULE_codeBlockBody:
            return new CodeBlockBodyNode(node);
        case BallerinaParser.RULE_nonEmptyCodeBlockBody:
            return new NonEmptyCodeBlockBodyNode(node);
        case BallerinaParser.RULE_tryCatchStatement:
            return new TryCatchStatementNode(node);
        case BallerinaParser.RULE_catchClause:
            return new CatchClauseNode(node);
        case BallerinaParser.RULE_codeBlockParameter:
            return new CodeBlockParameterNode(node);
        case BallerinaParser.RULE_foreachStatement:
            return new ForEachStatementNode(node);
        case BallerinaParser.RULE_joinClause:
            return new JoinClauseNode(node);
        case BallerinaParser.RULE_timeoutClause:
            return new TimeoutClauseNode(node);
        case BallerinaParser.RULE_xmlAttrib:
            return new XmlAttribNode(node);
        case BallerinaParser.RULE_namespaceDeclaration:
            return new NamespaceDeclarationNode(node);
        case BallerinaParser.RULE_stringTemplateLiteral:
            return new StringTemplateLiteralNode(node);
        case BallerinaParser.RULE_stringTemplateContent:
            return new StringTemplateContentNode(node);
        case BallerinaParser.RULE_typeConversion:
            return new TypeConversionNode(node);
        case BallerinaParser.RULE_xmlContent:
            return new XmlContentNode(node);
        case BallerinaParser.RULE_invocation:
            return new InvocationNode(node);
        case BallerinaParser.RULE_enumDefinition:
            return new EnumDefinitionNode(node);
        case BallerinaParser.RULE_enumField:
            return new EnumFieldNode(node);
        case BallerinaParser.RULE_builtInReferenceTypeName:
            return new BuiltInReferenceTypeNameNode(node);
        case BallerinaParser.RULE_referenceTypeName:
            return new ReferenceTypeNameNode(node);
        case BallerinaParser.RULE_functionTypeName:
            return new FunctionTypeNameNode(node);
        case BallerinaParser.RULE_lambdaFunction:
            return new LambdaFunctionNode(node);
        case BallerinaParser.RULE_endpointDeclaration:
            return new EndpointDeclarationNode(node);
        case BallerinaParser.RULE_anonStructTypeName:
            return new AnonStructTypeNameNode(node);
        case BallerinaParser.RULE_userDefineTypeName:
            return new UserDefinedTypeName(node);
        case BallerinaParser.RULE_anyIdentifierName:
            return new AnyIdentifierNameNode(node);
        case BallerinaParser.RULE_documentationAttachment:
            return new DocumentationAttachmentNode(node);
        case BallerinaParser.RULE_documentationTemplateInlineCode:
            return new DocumentationTemplateInlineCodeNode(node);
        case BallerinaParser.RULE_singleBackTickDocInlineCode:
            return new SingleBackTickDocInlineCodeNode(node);
        case BallerinaParser.RULE_doubleBackTickDocInlineCode:
            return new DoubleBackTickInlineCodeNode(node);
        case BallerinaParser.RULE_tripleBackTickDocInlineCode:
            return new TripleBackTickInlineCodeNode(node);
        case BallerinaParser.RULE_deprecatedAttachment:
            return new DeprecatedAttachmentNode(node);
        case BallerinaParser.RULE_deprecatedText:
            return new DeprecatedTextNode(node);
        case BallerinaParser.RULE_singleBackTickDeprecatedInlineCode:
            return new SingleBackTickDeprecatedInlineCodeNode(node);
        case BallerinaParser.RULE_doubleBackTickDeprecatedInlineCode:
            return new DoubleBackTickDeprecatedInlineCodeNode(node);
        case BallerinaParser.RULE_tripleBackTickDeprecatedInlineCode:
            return new TripleBackTickDeprecatedInlineCodeNode(node);
        case BallerinaParser.RULE_documentationTemplateAttributeDescription:
            return new DocumentationTemplateAttributeDescriptionNode(node);
        case BallerinaParser.RULE_formalParameterList:
            return new FormalParameterListNode(node);
        case BallerinaParser.RULE_integerLiteral:
            return new IntegerLiteralNode(node);
        case BallerinaParser.RULE_matchPatternClause:
            return new MatchPatternClauseNode(node);
        default:
            return new ANTLRPsiNode(node);
    }
}

Example 4 with FunctionReferenceNode

use of org.ballerinalang.plugins.idea.psi.FunctionReferenceNode in project ballerina by ballerina-lang.

the class BallerinaUnresolvedReferenceInspection method checkFile.

@Override
@Nullable
public ProblemDescriptor[] checkFile(@NotNull PsiFile file, @NotNull InspectionManager manager, boolean isOnTheFly) {
    // does not work in tests since CodeInsightTestCase copies file into temporary location
    if (ApplicationManager.getApplication().isUnitTestMode()) {
        return new ProblemDescriptor[0];
    }
    if (!(file instanceof BallerinaFile)) {
        return new ProblemDescriptor[0];
    }
    List<ProblemDescriptor> problemDescriptors = new LinkedList<>();
    Collection<PackageNameNode> packageNameNodes = PsiTreeUtil.findChildrenOfType(file, PackageNameNode.class);
    for (PackageNameNode packageNameNode : packageNameNodes) {
        ProgressManager.checkCanceled();
        if (packageNameNode == null) {
            continue;
        }
        AliasNode aliasNode = PsiTreeUtil.getParentOfType(packageNameNode, AliasNode.class);
        if (aliasNode != null) {
            continue;
        }
        PackageDeclarationNode packageDeclarationNode = PsiTreeUtil.getParentOfType(packageNameNode, PackageDeclarationNode.class);
        if (packageDeclarationNode != null) {
            continue;
        }
        XmlAttribNode xmlAttribNode = PsiTreeUtil.getParentOfType(packageNameNode, XmlAttribNode.class);
        if (xmlAttribNode != null) {
            continue;
        }
        LocalQuickFix[] availableFixes;
        ImportDeclarationNode importDeclarationNode = PsiTreeUtil.getParentOfType(packageNameNode, ImportDeclarationNode.class);
        if (importDeclarationNode != null) {
            availableFixes = new LocalQuickFix[0];
        } else {
            BallerinaImportPackageQuickFix quickFix = new BallerinaImportPackageQuickFix(packageNameNode);
            availableFixes = new LocalQuickFix[] { quickFix };
        }
        PsiElement nameIdentifier = packageNameNode.getNameIdentifier();
        if (nameIdentifier == null) {
            continue;
        }
        PsiReference reference = nameIdentifier.getReference();
        if (reference == null || reference.resolve() == null) {
            if (reference instanceof PackageNameReference) {
                ResolveResult[] resolveResults = ((PackageNameReference) reference).multiResolve(false);
                if (resolveResults.length > 0) {
                    continue;
                }
            }
            problemDescriptors.add(createProblemDescriptor(manager, packageNameNode, isOnTheFly, availableFixes));
        }
    }
    // Todo - Add new quick fixes.
    LocalQuickFix[] availableFixes = new LocalQuickFix[0];
    Collection<NameReferenceNode> nameReferenceNodes = PsiTreeUtil.findChildrenOfType(file, NameReferenceNode.class);
    problemDescriptors.addAll(getUnresolvedNameReferenceDescriptors(manager, isOnTheFly, availableFixes, nameReferenceNodes));
    Collection<AnnotationAttributeNode> annotationAttributeNodes = PsiTreeUtil.findChildrenOfType(file, AnnotationAttributeNode.class);
    problemDescriptors.addAll(getUnresolvedReferenceDescriptors(manager, isOnTheFly, availableFixes, annotationAttributeNodes));
    Collection<ConnectorReferenceNode> connectorReferenceNodes = PsiTreeUtil.findChildrenOfType(file, ConnectorReferenceNode.class);
    problemDescriptors.addAll(getUnresolvedReferenceDescriptors(manager, isOnTheFly, availableFixes, connectorReferenceNodes));
    Collection<ActionInvocationNode> actionInvocationNodes = PsiTreeUtil.findChildrenOfType(file, ActionInvocationNode.class);
    problemDescriptors.addAll(getUnresolvedReferenceDescriptors(manager, isOnTheFly, availableFixes, actionInvocationNodes));
    Collection<FunctionReferenceNode> functionReferenceNodes = PsiTreeUtil.findChildrenOfType(file, FunctionReferenceNode.class);
    problemDescriptors.addAll(getUnresolvedReferenceDescriptors(manager, isOnTheFly, availableFixes, functionReferenceNodes));
    return problemDescriptors.toArray(new ProblemDescriptor[problemDescriptors.size()]);
}

Example 5 with FunctionReferenceNode

use of org.ballerinalang.plugins.idea.psi.FunctionReferenceNode in project ballerina by ballerina-lang.

the class BallerinaPsiImplUtil method getTypeFromVariableReference.

@Nullable
private static PsiElement getTypeFromVariableReference(@NotNull AssignmentStatementNode assignmentStatementNode, @NotNull IdentifierPSINode identifier, PsiElement expressionNodeFirstChild) {
    int index = getVariableIndexFromVarAssignment(assignmentStatementNode, identifier);
    if (index < 0) {
        return null;
    }
    FunctionInvocationNode functionInvocationNode = PsiTreeUtil.getChildOfType(expressionNodeFirstChild, FunctionInvocationNode.class);
    if (functionInvocationNode == null) {
        return null;
    }
    FunctionReferenceNode functionReferenceNode = PsiTreeUtil.getChildOfType(functionInvocationNode, FunctionReferenceNode.class);
    if (functionReferenceNode == null) {
        return null;
    }
    PsiReference functionReference = functionReferenceNode.findReferenceAt(functionReferenceNode.getTextLength());
    if (functionReference == null) {
        return null;
    }
    PsiElement resolvedElement = functionReference.resolve();
    if (resolvedElement == null || !(resolvedElement.getParent() instanceof FunctionDefinitionNode)) {
        return null;
    }
    List<TypeNameNode> returnTypes = getReturnTypes(((FunctionDefinitionNode) resolvedElement.getParent()));
    // index is 0, size should be at least 1, etc.
    if (returnTypes.size() <= index) {
        return null;
    }
    TypeNameNode typeNameNode = returnTypes.get(index);
    PsiElement typeNode = getType(typeNameNode, true);
    if (typeNode == null) {
        return null;
    }
    return typeNode;
}