com.google.code.jconts.instrument.util.Frames.java Source code

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Here is the source code for com.google.code.jconts.instrument.util.Frames.java

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/**
 * Copyright (C) 2011 Ivan Dubrov
 *
 * 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 com.google.code.jconts.instrument.util;

import org.objectweb.asm.Opcodes;
import org.objectweb.asm.Type;

public final class Frames {

    public static Object toFrameType(Type type) {
        switch (type.getSort()) {
        case Type.BOOLEAN:
        case Type.CHAR:
        case Type.BYTE:
        case Type.SHORT:
        case Type.INT:
            return Opcodes.INTEGER;
        case Type.FLOAT:
            return Opcodes.FLOAT;
        case Type.LONG:
            return Opcodes.LONG;
        case Type.DOUBLE:
            return Opcodes.DOUBLE;
        case Type.ARRAY:
            return type.getDescriptor();
        // case Type.OBJECT:
        default:
            return type.getInternalName();
        }
    }

    public static Type fromFrameType(final Object type) {
        if (type instanceof String) {
            return Type.getObjectType((String) type);
        } else if (type == Opcodes.INTEGER) {
            return Type.INT_TYPE;
        } else if (type == Opcodes.FLOAT) {
            return Type.FLOAT_TYPE;
        } else if (type == Opcodes.LONG) {
            return Type.LONG_TYPE;
        } else if (type == Opcodes.DOUBLE) {
            return Type.DOUBLE_TYPE;
        }
        throw new IllegalArgumentException("Unexpected local type: " + type);
    }

    private Frames() {
        // No instances.
    }
}