Examples with AnnotationNode org.codehaus.groovy.ast.AnnotationNode used on opensource projects

Example 66 with AnnotationNode

use of org.codehaus.groovy.ast.AnnotationNode in project groovy by apache.

the class LogASTTransformation method visit.

public void visit(ASTNode[] nodes, final SourceUnit source) {
    init(nodes, source);
    AnnotatedNode targetClass = (AnnotatedNode) nodes[1];
    AnnotationNode logAnnotation = (AnnotationNode) nodes[0];
    final GroovyClassLoader classLoader = compilationUnit != null ? compilationUnit.getTransformLoader() : source.getClassLoader();
    final LoggingStrategy loggingStrategy = createLoggingStrategy(logAnnotation, classLoader);
    if (loggingStrategy == null)
        return;
    final String logFieldName = lookupLogFieldName(logAnnotation);
    final String categoryName = lookupCategoryName(logAnnotation);
    if (!(targetClass instanceof ClassNode))
        throw new GroovyBugError("Class annotation " + logAnnotation.getClassNode().getName() + " annotated no Class, this must not happen.");
    final ClassNode classNode = (ClassNode) targetClass;
    ClassCodeExpressionTransformer transformer = new ClassCodeExpressionTransformer() {

        private FieldNode logNode;

        @Override
        protected SourceUnit getSourceUnit() {
            return source;
        }

        public Expression transform(Expression exp) {
            if (exp == null)
                return null;
            if (exp instanceof MethodCallExpression) {
                return transformMethodCallExpression(exp);
            }
            if (exp instanceof ClosureExpression) {
                return transformClosureExpression((ClosureExpression) exp);
            }
            return super.transform(exp);
        }

        @Override
        public void visitClass(ClassNode node) {
            FieldNode logField = node.getField(logFieldName);
            if (logField != null && logField.getOwner().equals(node)) {
                addError("Class annotated with Log annotation cannot have log field declared", logField);
            } else if (logField != null && !Modifier.isPrivate(logField.getModifiers())) {
                addError("Class annotated with Log annotation cannot have log field declared because the field exists in the parent class: " + logField.getOwner().getName(), logField);
            } else {
                logNode = loggingStrategy.addLoggerFieldToClass(node, logFieldName, categoryName);
            }
            super.visitClass(node);
        }

        private Expression transformClosureExpression(ClosureExpression exp) {
            if (exp.getCode() instanceof BlockStatement) {
                BlockStatement code = (BlockStatement) exp.getCode();
                super.visitBlockStatement(code);
            }
            return exp;
        }

        private Expression transformMethodCallExpression(Expression exp) {
            Expression modifiedCall = addGuard((MethodCallExpression) exp);
            return modifiedCall == null ? super.transform(exp) : modifiedCall;
        }

        private Expression addGuard(MethodCallExpression mce) {
            // only add guard to methods of the form: logVar.logMethod(params)
            if (!(mce.getObjectExpression() instanceof VariableExpression)) {
                return null;
            }
            VariableExpression variableExpression = (VariableExpression) mce.getObjectExpression();
            if (!variableExpression.getName().equals(logFieldName) || !(variableExpression.getAccessedVariable() instanceof DynamicVariable)) {
                return null;
            }
            String methodName = mce.getMethodAsString();
            if (methodName == null)
                return null;
            if (!loggingStrategy.isLoggingMethod(methodName))
                return null;
            // since there is no saving
            if (usesSimpleMethodArgumentsOnly(mce))
                return null;
            variableExpression.setAccessedVariable(logNode);
            return loggingStrategy.wrapLoggingMethodCall(variableExpression, methodName, mce);
        }

        private boolean usesSimpleMethodArgumentsOnly(MethodCallExpression mce) {
            Expression arguments = mce.getArguments();
            if (arguments instanceof TupleExpression) {
                TupleExpression tuple = (TupleExpression) arguments;
                for (Expression exp : tuple.getExpressions()) {
                    if (!isSimpleExpression(exp))
                        return false;
                }
                return true;
            }
            return !isSimpleExpression(arguments);
        }

        private boolean isSimpleExpression(Expression exp) {
            if (exp instanceof ConstantExpression)
                return true;
            if (exp instanceof VariableExpression)
                return true;
            return false;
        }
    };
    transformer.visitClass(classNode);
    // GROOVY-6373: references to 'log' field are normally already FieldNodes by now, so revisit scoping
    new VariableScopeVisitor(sourceUnit, true).visitClass(classNode);
}

Example 67 with AnnotationNode

use of org.codehaus.groovy.ast.AnnotationNode in project groovy by apache.

the class MapConstructorASTTransformation method visit.

//    private static final ClassNode CHECK_METHOD_TYPE = make(ImmutableASTTransformation.class);
public void visit(ASTNode[] nodes, SourceUnit source) {
    init(nodes, source);
    AnnotatedNode parent = (AnnotatedNode) nodes[1];
    AnnotationNode anno = (AnnotationNode) nodes[0];
    if (!MY_TYPE.equals(anno.getClassNode()))
        return;
    if (parent instanceof ClassNode) {
        ClassNode cNode = (ClassNode) parent;
        if (!checkNotInterface(cNode, MY_TYPE_NAME))
            return;
        boolean includeFields = memberHasValue(anno, "includeFields", true);
        boolean includeProperties = !memberHasValue(anno, "includeProperties", false);
        boolean includeSuperProperties = memberHasValue(anno, "includeSuperProperties", true);
        boolean useSetters = memberHasValue(anno, "useSetters", true);
        List<String> excludes = getMemberStringList(anno, "excludes");
        List<String> includes = getMemberStringList(anno, "includes");
        boolean allNames = memberHasValue(anno, "allNames", true);
        if (!checkIncludeExcludeUndefinedAware(anno, excludes, includes, MY_TYPE_NAME))
            return;
        if (!checkPropertyList(cNode, includes, "includes", anno, MY_TYPE_NAME, includeFields, includeSuperProperties, false))
            return;
        if (!checkPropertyList(cNode, excludes, "excludes", anno, MY_TYPE_NAME, includeFields, includeSuperProperties, false))
            return;
        // if @Immutable is found, let it pick up options and do work so we'll skip
        if (hasAnnotation(cNode, ImmutableASTTransformation.MY_TYPE))
            return;
        Expression pre = anno.getMember("pre");
        if (pre != null && !(pre instanceof ClosureExpression)) {
            addError("Expected closure value for annotation parameter 'pre'. Found " + pre, cNode);
            return;
        }
        Expression post = anno.getMember("post");
        if (post != null && !(post instanceof ClosureExpression)) {
            addError("Expected closure value for annotation parameter 'post'. Found " + post, cNode);
            return;
        }
        createConstructor(cNode, includeFields, includeProperties, includeSuperProperties, useSetters, excludes, includes, (ClosureExpression) pre, (ClosureExpression) post, source, allNames);
        if (pre != null) {
            anno.setMember("pre", new ClosureExpression(new Parameter[0], new EmptyStatement()));
        }
        if (post != null) {
            anno.setMember("post", new ClosureExpression(new Parameter[0], new EmptyStatement()));
        }
    }
}

Example 68 with AnnotationNode

use of org.codehaus.groovy.ast.AnnotationNode in project groovy by apache.

the class MemoizedASTTransformation method visit.

public void visit(ASTNode[] nodes, final SourceUnit source) {
    init(nodes, source);
    AnnotationNode annotationNode = (AnnotationNode) nodes[0];
    AnnotatedNode annotatedNode = (AnnotatedNode) nodes[1];
    if (MY_TYPE.equals(annotationNode.getClassNode()) && annotatedNode instanceof MethodNode) {
        MethodNode methodNode = (MethodNode) annotatedNode;
        if (methodNode.isAbstract()) {
            addError("Annotation " + MY_TYPE_NAME + " cannot be used for abstract methods.", methodNode);
            return;
        }
        if (methodNode.isVoidMethod()) {
            addError("Annotation " + MY_TYPE_NAME + " cannot be used for void methods.", methodNode);
            return;
        }
        ClassNode ownerClassNode = methodNode.getDeclaringClass();
        MethodNode delegatingMethod = buildDelegatingMethod(methodNode, ownerClassNode);
        ownerClassNode.addMethod(delegatingMethod);
        int modifiers = FieldNode.ACC_PRIVATE | FieldNode.ACC_FINAL;
        if (methodNode.isStatic()) {
            modifiers = modifiers | FieldNode.ACC_STATIC;
        }
        int protectedCacheSize = getMemberIntValue(annotationNode, PROTECTED_CACHE_SIZE_NAME);
        int maxCacheSize = getMemberIntValue(annotationNode, MAX_CACHE_SIZE_NAME);
        MethodCallExpression memoizeClosureCallExpression = buildMemoizeClosureCallExpression(delegatingMethod, protectedCacheSize, maxCacheSize);
        String memoizedClosureFieldName = buildUniqueName(ownerClassNode, CLOSURE_LABEL, methodNode);
        FieldNode memoizedClosureField = new FieldNode(memoizedClosureFieldName, modifiers, newClass(ClassHelper.CLOSURE_TYPE), null, memoizeClosureCallExpression);
        ownerClassNode.addField(memoizedClosureField);
        BlockStatement newCode = new BlockStatement();
        MethodCallExpression closureCallExpression = callX(fieldX(memoizedClosureField), CLOSURE_CALL_METHOD_NAME, args(methodNode.getParameters()));
        closureCallExpression.setImplicitThis(false);
        newCode.addStatement(returnS(closureCallExpression));
        methodNode.setCode(newCode);
        VariableScopeVisitor visitor = new VariableScopeVisitor(source);
        visitor.visitClass(ownerClassNode);
    }
}

Example 69 with AnnotationNode

use of org.codehaus.groovy.ast.AnnotationNode in project groovy by apache.

the class SourceURIASTTransformation method visit.

public void visit(ASTNode[] nodes, SourceUnit source) {
    init(nodes, source);
    AnnotatedNode parent = (AnnotatedNode) nodes[1];
    AnnotationNode node = (AnnotationNode) nodes[0];
    if (!MY_TYPE.equals(node.getClassNode()))
        return;
    if (parent instanceof DeclarationExpression) {
        setScriptURIOnDeclaration((DeclarationExpression) parent, node);
    } else if (parent instanceof FieldNode) {
        setScriptURIOnField((FieldNode) parent, node);
    } else {
        addError("Expected to find the annotation " + MY_TYPE_NAME + " on an declaration statement.", parent);
    }
}

Example 70 with AnnotationNode

use of org.codehaus.groovy.ast.AnnotationNode in project groovy by apache.

the class StaticTypesTransformation method visit.

//    @Override
public void visit(ASTNode[] nodes, SourceUnit source) {
    AnnotationNode annotationInformation = (AnnotationNode) nodes[0];
    Map<String, Expression> members = annotationInformation.getMembers();
    Expression extensions = members.get("extensions");
    AnnotatedNode node = (AnnotatedNode) nodes[1];
    StaticTypeCheckingVisitor visitor = null;
    if (node instanceof ClassNode) {
        ClassNode classNode = (ClassNode) node;
        visitor = newVisitor(source, classNode);
        visitor.setCompilationUnit(compilationUnit);
        addTypeCheckingExtensions(visitor, extensions);
        visitor.initialize();
        visitor.visitClass(classNode);
    } else if (node instanceof MethodNode) {
        MethodNode methodNode = (MethodNode) node;
        visitor = newVisitor(source, methodNode.getDeclaringClass());
        visitor.setCompilationUnit(compilationUnit);
        addTypeCheckingExtensions(visitor, extensions);
        visitor.setMethodsToBeVisited(Collections.singleton(methodNode));
        visitor.initialize();
        visitor.visitMethod(methodNode);
    } else {
        source.addError(new SyntaxException(STATIC_ERROR_PREFIX + "Unimplemented node type", node.getLineNumber(), node.getColumnNumber(), node.getLastLineNumber(), node.getLastColumnNumber()));
    }
    if (visitor != null) {
        visitor.performSecondPass();
    }
}