| /* |
| * 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 gls.annotations; |
| |
| import groovy.lang.GroovyClassLoader; |
| import groovy.lang.GroovyClassLoader.InnerLoader; |
| import groovy.test.GroovyTestCase; |
| import org.codehaus.groovy.ast.ClassNode; |
| import org.codehaus.groovy.control.CompilationFailedException; |
| import org.codehaus.groovy.control.CompilationUnit; |
| import org.codehaus.groovy.control.CompilerConfiguration; |
| import org.codehaus.groovy.control.SourceUnit; |
| import org.objectweb.asm.*; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| public abstract class AnnotationsTestBase extends GroovyTestCase { |
| MyLoader loader; |
| List<String> annotations; |
| String current = ""; |
| |
| private class MyLoader extends GroovyClassLoader { |
| MyLoader(ClassLoader classLoader) { |
| super(classLoader); |
| } |
| |
| protected ClassCollector createCollector(CompilationUnit unit, SourceUnit su) { |
| return new MyCollector(new InnerLoader(this), unit, su); |
| } |
| } |
| |
| private class MyCollector extends GroovyClassLoader.ClassCollector { |
| MyCollector(InnerLoader myLoader, CompilationUnit unit, SourceUnit su) { |
| super(myLoader, unit, su); |
| } |
| |
| protected Class createClass(byte[] code, ClassNode classNode) { |
| ClassReader cr = new ClassReader(code); |
| AnnotationsTester classVisitor = new AnnotationsTester(new org.objectweb.asm.tree.ClassNode()); |
| cr.accept(classVisitor, ClassWriter.COMPUTE_MAXS); |
| return super.createClass(code, classNode); |
| } |
| } |
| |
| private class FieldAnnotationScanner extends FieldVisitor { |
| private final String field; |
| |
| FieldAnnotationScanner(String field) { |
| super(CompilerConfiguration.ASM_API_VERSION); |
| this.field = field; |
| } |
| |
| @Override |
| public AnnotationVisitor visitAnnotation(String desc, boolean visible) { |
| annotations.add("visiting field " + field + ", found annotation: desc=" + desc + ", visible=" + visible); |
| return super.visitAnnotation(desc, visible); |
| } |
| } |
| |
| private class MethodAnnotationScanner extends MethodVisitor { |
| private final String method; |
| |
| MethodAnnotationScanner(String method) { |
| super(CompilerConfiguration.ASM_API_VERSION); |
| this.method = method; |
| } |
| |
| @Override |
| public AnnotationVisitor visitAnnotation(String desc, boolean visible) { |
| annotations.add("visiting method " + method + ", found annotation: desc=" + desc + ", visible=" + visible); |
| return super.visitAnnotation(desc, visible); |
| } |
| } |
| |
| private class AnnotationsTester extends ClassVisitor { |
| AnnotationsTester(ClassVisitor cv) { |
| super(CompilerConfiguration.ASM_API_VERSION, cv); |
| } |
| |
| public void visit(int version, int access, String name, String signature, String superName, String[] interfaces) { |
| current = name; |
| } |
| |
| public AnnotationVisitor visitAnnotation(String desc, boolean visible){ |
| annotations.add("visiting class " + current + " found annotation: desc=" + desc + ", visible=" + visible); |
| return super.visitAnnotation(desc,visible); |
| } |
| |
| public FieldVisitor visitField(int access, String name, String desc, String signature, Object value) { |
| return new FieldAnnotationScanner(current + "#" + name); |
| } |
| |
| public MethodVisitor visitMethod(int access, String name, String desc, String signature, String[] exceptions) { |
| return new MethodAnnotationScanner(current + "#" + name); |
| } |
| } |
| |
| public void setUp() { |
| loader = new MyLoader(this.getClass().getClassLoader()); |
| annotations = new ArrayList<>(); |
| } |
| |
| public void createClassInfo(String script) { |
| loader.parseClass(script); |
| } |
| |
| public List<String> getAnnotations() { |
| return annotations; |
| } |
| |
| protected void shouldNotCompile(String script) { |
| try { |
| loader.parseClass(script); |
| } catch (CompilationFailedException cfe) { |
| return; |
| } |
| throw new AssertionError("compilation of script '" + script + "' should have failed, but did not."); |
| } |
| } |