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 void ExpressionFactoryInt_SuccessfullyCreates_ConstantIntegerExpression_Test()
{
//Arrange
var constantInt = new ConstantInteger <IContext>(1);
//Act
var sut = _expressions.Int(1);
//Assert
Assert.True(sut.Interpret(_context) == constantInt.Interpret(_context));
}
static void Main(string[] args)
{
var hello = new CString("My #%d program!\n");
var one = new ConstantInteger(1);
var printf = new FunctionCall(new Label("printf"));
printf.Arguments.Add(hello);
printf.Arguments.Add(one);
var main = new Function("main");
main.Code.Add(printf);
var callingConvention = new SysVAbiCallingConvention();
var ctx = new Context(callingConvention);
var asm = new Assembly();
main.Generate(asm, ctx);
Console.WriteLine(asm);
}
public override string ToString()
{
var sb = new StringBuilder();
switch (NodeType)
{
case NodeType.Instruction: sb.Append(Instruction.Name); break;
case NodeType.FixedIntegerConstant: sb.Append(ConstantInteger.ToString()); break;
case NodeType.FixedDoubleConstant: sb.Append(ConstantDouble.ToString()); break;
case NodeType.PhyiscalRegister: sb.Append(PhysicalRegister.ToString()); break;
case NodeType.VirtualRegister:
case NodeType.OperandVariable: sb.Append(Alias); break;
case NodeType.ConstantVariable: sb.Append("(Const "); sb.Append(Alias); sb.Append(")"); break;
case NodeType.TypeVariable: sb.Append('<'); sb.Append(Alias); sb.Append('>'); break;
case NodeType.Expression: sb.Append("["); sb.Append(ExpressionNode.ToString()); sb.Append("]"); break;
case NodeType.Any: sb.Append("_"); break;
default: break;
}
if (ParentNodes.Count != 0)
{
foreach (var node in ParentNodes)
{
sb.Append(" ");
sb.Append(node.ToString());
}
}
return(sb.ToString());
}
