public override Exp Analy( )
{
LiteralKind = LiteralToken.Kind;
LiteralValue = LiteralToken.GetText();
if (LiteralKind == TokenKind.LiteralInt)
{
RetType = ZTypeManager.ZINT;// .GetByZType( typeof(整数));// intType;
}
else if (LiteralKind == TokenKind.LiteralFloat)
{
RetType = ZTypeManager.ZFLOAT;//.GetByZType(typeof(浮点数));//floatType;
}
else if (LiteralKind == TokenKind.LiteralString)
{
RetType = ZTypeManager.ZSTRING;//.GetByZType(typeof(文本));//stringType;
}
else if (LiteralKind == TokenKind.True || LiteralKind == TokenKind.False)
{
RetType = ZTypeManager.ZBOOL;//.GetByZType(typeof(判断符));//boolType;
}
else if (LiteralKind == TokenKind.NULL)
{
RetType = null; //ZTypeCache.CreateZRealType(typeof(整数));// null;
}
else
{
ErrorE(this.Postion, LiteralToken.ToCode() + "不是正确的值");
//return null;
}
return(this);
}
public override Exp Analy(AnalyExpContext context)
{
base.Analy(context);
LiteralKind = LiteralToken.Kind;
LiteralValue = LiteralToken.GetText();
if (LiteralKind == TokenKind.LiteralInt)
{
RetType = intType;
}
else if (LiteralKind == TokenKind.LiteralFloat)
{
RetType = floatType;
}
else if (LiteralKind == TokenKind.LiteralString)
{
RetType = stringType;
}
else if (LiteralKind == TokenKind.True || LiteralKind == TokenKind.False)
{
RetType = boolType;
}
else if (LiteralKind == TokenKind.NULL)
{
RetType = null;
}
else
{
error(LiteralToken.ToCode() + "不是正确的值");
return(null);
}
return(this);
}
public override Exp Analy( )
{
if (this.IsAnalyed)
{
return(this);
}
RetType = AnalyLiteralZType();
if (RetType == null)
{
Errorf(this.Position, LiteralToken.ToCode() + "不是正确的值");
}
IsAnalyed = true;
return(this);
}
public override string ToString()
{
return(LiteralToken.ToCode());
}