org.evosuite.runtime.instrumentation.CreateClassResetMethodAdapter.java Source code

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Here is the source code for org.evosuite.runtime.instrumentation.CreateClassResetMethodAdapter.java

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/**
 * Copyright (C) 2010-2016 Gordon Fraser, Andrea Arcuri and EvoSuite
 * contributors
 *
 * This file is part of EvoSuite.
 *
 * EvoSuite is free software: you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published
 * by the Free Software Foundation, either version 3.0 of the License, or
 * (at your option) any later version.
 *
 * EvoSuite is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with EvoSuite. If not, see <http://www.gnu.org/licenses/>.
 */
package org.evosuite.runtime.instrumentation;

import java.util.List;

import org.evosuite.runtime.instrumentation.CreateClassResetClassAdapter.StaticField;
import org.objectweb.asm.MethodVisitor;
import org.objectweb.asm.Opcodes;
import org.objectweb.asm.Type;

public class CreateClassResetMethodAdapter extends MethodVisitor {

    private final List<StaticField> staticFields;

    private final String className;

    private final List<String> finalFields;

    public CreateClassResetMethodAdapter(MethodVisitor mv, String className, List<StaticField> staticFields,
            List<String> finalFields) {
        super(Opcodes.ASM5, mv);
        this.className = className;
        this.staticFields = staticFields;
        this.finalFields = finalFields;
    }

    @Override
    public void visitCode() {
        super.visitCode();
        for (StaticField staticField : staticFields) {

            if (!finalFields.contains(staticField.name) && !staticField.name.startsWith("__cobertura")
                    && !staticField.name.startsWith("$jacoco") && !staticField.name.startsWith("$VRc") // Old Emma
            ) {

                if (staticField.value != null) {
                    mv.visitLdcInsn(staticField.value);
                } else {
                    Type type = Type.getType(staticField.desc);
                    switch (type.getSort()) {
                    case Type.BOOLEAN:
                    case Type.BYTE:
                    case Type.CHAR:
                    case Type.SHORT:
                    case Type.INT:
                        mv.visitInsn(Opcodes.ICONST_0);
                        break;
                    case Type.FLOAT:
                        mv.visitInsn(Opcodes.FCONST_0);
                        break;
                    case Type.LONG:
                        mv.visitInsn(Opcodes.LCONST_0);
                        break;
                    case Type.DOUBLE:
                        mv.visitInsn(Opcodes.DCONST_0);
                        break;
                    case Type.ARRAY:
                    case Type.OBJECT:
                        mv.visitInsn(Opcodes.ACONST_NULL);
                        break;
                    }
                }
                mv.visitFieldInsn(Opcodes.PUTSTATIC, className, staticField.name, staticField.desc);
            }
        }

    }

}