org.spockframework.buildsupport.SpecClassFileVisitor.java Source code

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Here is the source code for org.spockframework.buildsupport.SpecClassFileVisitor.java

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/**
 * Copyright 2009 the original author or authors.
 *
 * Licensed 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.spockframework.buildsupport;

import org.objectweb.asm.*;

class SpecClassFileVisitor extends ClassVisitor {
    private final AnnotationVisitor annVisitor = new EmptyAnnotationVisitor();

    private boolean hasSpecMetadataAnnotation = false;
    private boolean isAbstract;

    SpecClassFileVisitor() {
        super(Opcodes.ASM4);
    }

    public boolean isSpec() {
        return hasSpecMetadataAnnotation;
    }

    public boolean isRunnableSpec() {
        return isSpec() && !isAbstract;
    }

    public AnnotationVisitor visitAnnotation(String desc, boolean visible) {
        if ("Lorg/spockframework/runtime/model/SpecMetadata;".equals(desc))
            hasSpecMetadataAnnotation = true;
        return annVisitor;
    }

    public void visit(int version, int access, String name, String signature, String superName,
            String[] interfaces) {
        isAbstract = (access & Opcodes.ACC_ABSTRACT) != 0;
    }

    public void visitSource(String s, String s1) {
    }

    public void visitOuterClass(String s, String s1, String s2) {
    }

    public void visitAttribute(Attribute attribute) {
    }

    public void visitInnerClass(String s, String s1, String s2, int i) {
    }

    public FieldVisitor visitField(int i, String s, String s1, String s2, Object o) {
        return null; // allowed as per contract
    }

    public MethodVisitor visitMethod(int i, String s, String s1, String s2, String[] strings) {
        return null; // allowed as per contract
    }

    public void visitEnd() {
    }
}