public static ConstantPoolInfo Read(ClassReader classReader)
{
ushort tag = classReader.ReadU1();
ConstantPoolInfo constantPoolInfo = null;
switch (tag)
{
case 7:
constantPoolInfo = new ConstantClass(); break;
case 9:
constantPoolInfo = new ConstantFieldRef(); break;
case 10:
constantPoolInfo = new ConstantMethodRef(); break;
case 11:
constantPoolInfo = new ConstantInterfaceMethodRef(); break;
case 8:
constantPoolInfo = new ConstantString(); break;
case 3:
constantPoolInfo = new ConstantInteger(); break;
case 4:
constantPoolInfo = new ConstantFloat(); break;
case 5:
constantPoolInfo = new ConstantLong(); break;
case 6:
constantPoolInfo = new ConstantDouble(); break;
case 12:
constantPoolInfo = new ConstantNameAndType(); break;
case 1:
constantPoolInfo = new ConstantUtf8(); break;
case 15:
constantPoolInfo = new ConstantMethodHandle(); break;
case 16:
constantPoolInfo = new ConstantMethodType(); break;
case 18:
constantPoolInfo = new ConstantInvokeDynamic(); break;
default:
throw new Exception("ClassFileError:constantPoolInfo incorrect");
}
constantPoolInfo.Tag = tag;
constantPoolInfo.ReadConstantPoolInfo(classReader);
return(constantPoolInfo);
}
public ConstantPool(ClassReader classReader, ushort length)
{
this.constantPoolInfos = new ConstantPoolInfo[length];
this.Length = length;
//i=0位置无效
for (int i = 1; i < this.Length; i++)
{
ConstantPoolInfo temp = ConstantPoolInfoReader.Read(classReader);
constantPoolInfos[i] = temp;
//long/double类型使得下一个位置无效，需跳过
if (temp.Tag == 5 || temp.Tag == 6)
{
i++;
}
}
}
private static void DebugConstantName(ConstantPool constantPool)
{
if (!Switchs.DebugParse)
{
return;
}
Console.Out.WriteLine(); //另起一行
for (int i = 1; i < constantPool.Length; i++)
{
ConstantPoolInfo info = constantPool.ConstantPoolInfo[i];
if (info.Tag == 1)
{
string name = Encoding.UTF8.GetString(((ConstantUtf8)info).Bytes);
Console.Out.WriteLine(string.Format("序号:{0},名称:{1}", i, name));
}
}
}
