Java ClassNode.isScript方法代码示例

import org.codehaus.groovy.ast.ClassNode; //导入方法依赖的package包/类
@Override
public void visit(ASTNode[] nodes, SourceUnit source) {
	for (ASTNode node : nodes) {
		if (node instanceof ModuleNode) {
			ModuleNode module = (ModuleNode) node;
			for (ClassNode classNode : new ArrayList<ClassNode>(
					module.getClasses())) {
				if (classNode.isScript()) {
					classNode.visitContents(new ClassVisitor(source, classNode));
				}
			}
		}
	}
}
 

import org.codehaus.groovy.ast.ClassNode; //导入方法依赖的package包/类
private void changeBaseScriptType(final SourceUnit source, final AnnotatedNode parent, final ClassNode cNode, final ClassNode baseScriptType, final AnnotationNode node) {
    if (!cNode.isScriptBody()) {
        addError("Annotation " + MY_TYPE_NAME + " can only be used within a Script.", parent);
        return;
    }

    if (!baseScriptType.isScript()) {
        addError("Declared type " + baseScriptType + " does not extend groovy.lang.Script class!", parent);
        return;
    }

    List<AnnotationNode> annotations = parent.getAnnotations(COMMAND_TYPE);
    cNode.addAnnotations(annotations);
    cNode.setSuperClass(baseScriptType);


    // Method in base script that will contain the script body code.
    MethodNode runScriptMethod = ClassHelper.findSAM(baseScriptType);

    // If they want to use a name other than than "run", then make the change.
    if (isCustomScriptBodyMethod(runScriptMethod)) {
        MethodNode defaultMethod = cNode.getDeclaredMethod("run", Parameter.EMPTY_ARRAY);
        // GROOVY-6706: Sometimes an NPE is thrown here.
        // The reason is that our transform is getting called more than once sometimes.
        if (defaultMethod != null) {
            cNode.removeMethod(defaultMethod);
            MethodNode methodNode = new MethodNode(runScriptMethod.getName(), runScriptMethod.getModifiers() & ~ACC_ABSTRACT
                    , runScriptMethod.getReturnType(), runScriptMethod.getParameters(), runScriptMethod.getExceptions()
                    , defaultMethod.getCode());
            // The AST node metadata has the flag that indicates that this method is a script body.
            // It may also be carrying data for other AST transforms.
            methodNode.copyNodeMetaData(defaultMethod);
            cNode.addMethod(methodNode);
        }
    }

    // If the new script base class does not have a contextual constructor (g.l.Binding), then we won't either.
    // We have to do things this way (and rely on just default constructors) because the logic that generates
    // the constructors for our script class have already run.
    if (cNode.getSuperClass().getDeclaredConstructor(CONTEXT_CTOR_PARAMETERS) == null) {
        ConstructorNode orphanedConstructor = cNode.getDeclaredConstructor(CONTEXT_CTOR_PARAMETERS);
        cNode.removeConstructor(orphanedConstructor);
    }
}
 

import org.codehaus.groovy.ast.ClassNode; //导入方法依赖的package包/类
public void visit(ASTNode[] nodes, SourceUnit source) {
        sourceUnit = source;
        if (nodes.length != 2 || !(nodes[0] instanceof AnnotationNode) || !(nodes[1] instanceof AnnotatedNode)) {
            throw new GroovyBugError("Internal error: expecting [AnnotationNode, AnnotatedNode] but got: " + Arrays.asList(nodes));
        }

        AnnotatedNode parent = (AnnotatedNode) nodes[1];
        AnnotationNode node = (AnnotationNode) nodes[0];
        if (!MY_TYPE.equals(node.getClassNode())) return;
        final ClassNode declaringClass = parent.getDeclaringClass();
        
        
        if (parent instanceof DeclarationExpression) {
            DeclarationExpression de = (DeclarationExpression) parent;
            ClassNode cNode = de.getDeclaringClass();
            if (!cNode.isScript()) {
                addError("Annotation " + MY_TYPE_NAME + " can only be used within a Script.", parent);
                return;
            }
            candidate = de;
            // GROOVY-4548: temp fix to stop CCE until proper support is added
            if (de.isMultipleAssignmentDeclaration()) {
                addError("Annotation " + MY_TYPE_NAME + " not supported with multiple assignment notation.", parent);
                return;
            }
            VariableExpression ve = de.getVariableExpression();
            variableName = ve.getName();
            // set owner null here, it will be updated by addField
            final int modifiers = ve.getModifiers() | Modifier.VOLATILE | Modifier.PUBLIC;
            fieldNode = new FieldNode(variableName, modifiers, ve.getType(), null, de.getRightExpression());
            fieldNode.setSourcePosition(de);
            fieldNode.addAnnotation(node);
            fieldNode.setInitialValueExpression(new FieldExpression(fieldNode));
            cNode.addField(fieldNode);

            // GROOVY-4833 : annotations that are not Groovy transforms should be transferred to the generated field
            // GROOVY-6112 : also copy acceptable Groovy transforms
            final List<AnnotationNode> annotations = de.getAnnotations();
            for (AnnotationNode annotation : annotations) {
                // GROOVY-6337 HACK: in case newly created field is @Lazy
                if (annotation.getClassNode().equals(LAZY_TYPE)) {
                	PrivateAccessor.invokeStatic(LazyASTTransformation.class, "visitField", annotation, fieldNode);
//                    LazyASTTransformation.visitField(annotation, fieldNode);
                }
//                if(annotation.getClassNode().equals(MY_TYPE)) {
//                	final Map<String, Expression> members = annotation.getMembers();
//                	final Expression expr = members.remove("value");
//                	if(expr!=null) {
//                		final String exprValue = expr.getText();
//                		System.err.println("EXPR:" + exprValue);
//                	}
//                }
                
                final ClassNode annotationClassNode = annotation.getClassNode();
                if (notTransform(annotationClassNode) || acceptableTransform(annotation)) {
                    fieldNode.addAnnotation(annotation);
                }
            }

            super.visitClass(cNode);
            // GROOVY-5207 So that Closures can see newly added fields
            // (not super efficient for a very large class with many @Fields but we chose simplicity
            // and understandability of this solution over more complex but efficient alternatives)
            VariableScopeVisitor scopeVisitor = new VariableScopeVisitor(source);
            scopeVisitor.visitClass(cNode);
        }
    }