| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.codehaus.groovy.transform; |
| |
| import org.codehaus.groovy.ast.ASTNode; |
| import org.codehaus.groovy.control.SourceUnit; |
| |
| /** |
| * This class is instantiated and invoked when an AST transformation is |
| * activated. For Global AST Transformations, this interface is called once per SourceUnit, which is usually a |
| * Groovy source file. For Local AST Transformations, this interface is invoked once every time the Local annotation |
| * marker is encountered. |
| * <p> |
| * You must annotate this class with {@link GroovyASTTransformation} so that Groovy knows which |
| * {@link org.codehaus.groovy.control.CompilePhase} to run in. |
| * |
| * @see GroovyASTTransformation |
| */ |
| public interface ASTTransformation { |
| |
| /** |
| * The method is invoked when an AST Transformation is active. For local transformations, it is invoked once |
| * each time the local annotation is encountered. For global transformations, it is invoked once for every source |
| * unit, which is typically a source file. |
| * |
| * @param nodes The ASTnodes when the call was triggered. Element 0 is the AnnotationNode that triggered this |
| * annotation to be activated. Element 1 is the AnnotatedNode decorated, such as a MethodNode or ClassNode. For |
| * global transformations it is usually safe to ignore this parameter. |
| * @param source The source unit being compiled. The source unit may contain several classes. For global transformations, |
| * information about the AST can be retrieved from this object. |
| */ |
| void visit(ASTNode nodes[], SourceUnit source); |
| } |