CalcExpression ParsePower()
{
var x = ParseUnary();
while (_token.Type == Tktype.POWER)
{
var t = _token;
GetToken();
var a = ParseUnary();
x = new CalcBinaryExpression(t, x, a);
}
return(x);
}
CalcExpression ParseAddSub()
{
var x = ParseMulDiv();
while (_token.Type == Tktype.ADDSUB)
{
var t = _token;
GetToken();
var exprArg = ParseMulDiv();
x = new CalcBinaryExpression(t, x, exprArg);
}
return(x);
}
CalcExpression ParseMulDiv()
{
var x = ParsePower();
while (_token.Type == Tktype.MULDIV)
{
var t = _token;
GetToken();
var a = ParsePower();
x = new CalcBinaryExpression(t, x, a);
}
return(x);
}
CalcExpression ParseCompare()
{
var x = ParseAddSub();
while (_token.Type == Tktype.COMPARE)
{
var t = _token;
GetToken();
var exprArg = ParseAddSub();
x = new CalcBinaryExpression(t, x, exprArg);
}
return(x);
}
