private SpelNode EatProductExpression()
{
var expr = EatPowerIncDecExpression();
while (PeekToken(TokenKind.STAR, TokenKind.DIV, TokenKind.MOD))
{
var t = TakeToken(); // consume STAR/DIV/MOD
var rhExpr = EatPowerIncDecExpression();
CheckOperands(t, expr, rhExpr);
if (t.Kind == TokenKind.STAR)
{
expr = new OpMultiply(t.StartPos, t.EndPos, expr, rhExpr);
}
else if (t.Kind == TokenKind.DIV)
{
expr = new OpDivide(t.StartPos, t.EndPos, expr, rhExpr);
}
else
{
if (t.Kind != TokenKind.MOD)
{
throw new InvalidOperationException("Mod token expected");
}
expr = new OpModulus(t.StartPos, t.EndPos, expr, rhExpr);
}
}
return(expr);
}
public GetOperation()
{
operationIndex["1"] = new OpSum();
operationIndex["2"] = new OpSubtraction();
operationIndex["3"] = new OpMultiply();
operationIndex["4"] = new OpDivide();
operationIndex["5"] = new OpSquare();
operationIndex["6"] = new OpSquareRoot();
}
public static void Rule(BinaryOp400 lhs, OpMultiply op)
{
lhs.CodeFunctor = new CodeFunctor(op.Text, 2, true);
}
public static void Rule(BinaryOp400 lhs, OpMultiply op)
{
lhs.CodeFunctor = new CodeFunctor(op.Text, 2, true);
}