Java NumberEntry类代码示例

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本文整理汇总了Java中com.sun.java.util.jar.pack.ConstantPool.NumberEntry类的典型用法代码示例。如果您正苦于以下问题：Java NumberEntry类的具体用法？Java NumberEntry怎么用？Java NumberEntry使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。

NumberEntry类属于com.sun.java.util.jar.pack.ConstantPool包，在下文中一共展示了NumberEntry类的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的Java代码示例。

示例1: writeConstantPool

import com.sun.java.util.jar.pack.ConstantPool.NumberEntry; //导入依赖的package包/类
void writeConstantPool() throws IOException {
    Entry[] cpMap = cls.cpMap;
    writeShort(cpMap.length);
    for (int i = 0; i < cpMap.length; i++) {
        Entry e = cpMap[i];
        assert((e == null) == (i == 0 || cpMap[i-1] != null && cpMap[i-1].isDoubleWord()));
        if (e == null)  continue;
        byte tag = e.getTag();
        if (verbose > 2)  Utils.log.fine("   CP["+i+"] = "+e);
        out.write(tag);
        switch (tag) {
            case CONSTANT_Signature:
                throw new AssertionError("CP should have Signatures remapped to Utf8");
            case CONSTANT_Utf8:
                out.writeUTF(e.stringValue());
                break;
            case CONSTANT_Integer:
                out.writeInt(((NumberEntry)e).numberValue().intValue());
                break;
            case CONSTANT_Float:
                float fval = ((NumberEntry)e).numberValue().floatValue();
                out.writeInt(Float.floatToRawIntBits(fval));
                break;
            case CONSTANT_Long:
                out.writeLong(((NumberEntry)e).numberValue().longValue());
                break;
            case CONSTANT_Double:
                double dval = ((NumberEntry)e).numberValue().doubleValue();
                out.writeLong(Double.doubleToRawLongBits(dval));
                break;
            case CONSTANT_Class:
            case CONSTANT_String:
            case CONSTANT_MethodType:
                writeRef(e.getRef(0));
                break;
            case CONSTANT_MethodHandle:
                MethodHandleEntry mhe = (MethodHandleEntry) e;
                out.writeByte(mhe.refKind);
                writeRef(mhe.getRef(0));
                break;
            case CONSTANT_Fieldref:
            case CONSTANT_Methodref:
            case CONSTANT_InterfaceMethodref:
            case CONSTANT_NameandType:
                writeRef(e.getRef(0));
                writeRef(e.getRef(1));
                break;
            case CONSTANT_InvokeDynamic:
                writeRef(e.getRef(0), bsmIndex);
                writeRef(e.getRef(1));
                break;
            case CONSTANT_BootstrapMethod:
                throw new AssertionError("CP should have BootstrapMethods moved to side-table");
            default:
                throw new IOException("Bad constant pool tag "+tag);
        }
    }
}

开发者ID:SunburstApps，项目名称:OpenJSharp，代码行数:59，代码来源:ClassWriter.java

示例2: writeConstantPool

import com.sun.java.util.jar.pack.ConstantPool.NumberEntry; //导入依赖的package包/类
void writeConstantPool() throws IOException {
    Entry[] cpMap = cls.cpMap;
    writeShort(cpMap.length);
    for (int i = 0; i < cpMap.length; i++) {
        Entry e = cpMap[i];
        assert((e == null) == (i == 0 || cpMap[i-1] != null && cpMap[i-1].isDoubleWord()));
        if (e == null)  continue;
        byte tag = e.getTag();
        if (verbose > 2)  Utils.log.fine("   CP["+i+"] = "+e);
        out.write(tag);
        switch (tag) {
            case CONSTANT_Signature:
                assert(false);  // should not reach here
                break;
            case CONSTANT_Utf8:
                out.writeUTF(e.stringValue());
                break;
            case CONSTANT_Integer:
                out.writeInt(((NumberEntry)e).numberValue().intValue());
                break;
            case CONSTANT_Float:
                float fval = ((NumberEntry)e).numberValue().floatValue();
                out.writeInt(Float.floatToRawIntBits(fval));
                break;
            case CONSTANT_Long:
                out.writeLong(((NumberEntry)e).numberValue().longValue());
                break;
            case CONSTANT_Double:
                double dval = ((NumberEntry)e).numberValue().doubleValue();
                out.writeLong(Double.doubleToRawLongBits(dval));
                break;
            case CONSTANT_Class:
            case CONSTANT_String:
                writeRef(e.getRef(0));
                break;
            case CONSTANT_Fieldref:
            case CONSTANT_Methodref:
            case CONSTANT_InterfaceMethodref:
            case CONSTANT_NameandType:
                writeRef(e.getRef(0));
                writeRef(e.getRef(1));
                break;
            default:
                throw new IOException("Bad constant pool tag "+tag);
        }
    }
}

开发者ID:openjdk，项目名称:jdk7-jdk，代码行数:48，代码来源:ClassWriter.java

注：本文中的com.sun.java.util.jar.pack.ConstantPool.NumberEntry类示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。