private Expr parseMulExpr()
{
Expr expr = parseParenExpr();
while (true)
{
int token = parseToken();
switch (token)
{
case '%':
expr = new ModExpr(expr, parseParenExpr());
break;
case '*':
expr = new MulExpr(expr, parseParenExpr());
break;
case '/':
expr = new DivExpr(expr, parseParenExpr());
break;
default:
_peekToken = token;
return(expr);
}
}
}
public void TestModExpr()
{
var expr = new ModExpr()
{
Operand = Operand.n, Value = 6
};
expr.Evaluate("99").Should().Be(3M);
}
/// <summary>
/// Validate a mod expression.
/// </summary>
/// <param name="mulex">
/// is the expression. </param>
/// <returns> null. </returns>
public virtual object visit(ModExpr mulex)
{
printBinExpr("MOD", mulex);
return(null);
}
/// <param name="ex">
/// is the mod expression. </param>
/// <returns> a new function. </returns>
public virtual object visit(ModExpr ex)
{
ex.left().accept(this);
ex.right().accept(this);
return(null);
}
/// <param name="mulex">
/// is the mod expression. </param>
/// <returns> a new function. </returns>
public virtual object visit(ModExpr mulex)
{
return(make_ArithOp(mulex, new QName("fs", "mod", OpFunctionLibrary.XPATH_OP_NS)));
}
