protected void TranslateBinaryOpChain(List <string> output, BinaryOpChain binaryOp)
{
// TODO: something about the parenthesis epidemic
switch (binaryOp.Op.Value)
{
case "+":
case "-":
case "*":
case "%":
case "<<":
case ">>":
case "<":
case ">":
case "==":
case "!=":
case "<=":
case ">=":
case "&":
case "|":
case "^":
this.TranslateDefaultBinaryOp(output, binaryOp);
break;
case "**":
throw new ParserException(binaryOp.Op, "Use a framework function instead to indicate whether you want a float or int output.");
case "/":
throw new ParserException(binaryOp.Op, "Due to varying behavior of / on different languages, please use a framework function instead.");
default:
throw new ParserException(binaryOp.Op, "How did this happen?");
}
}
private void TranslateDefaultBinaryOp(List <string> output, BinaryOpChain binOp)
{
output.Add("(");
this.TranslateExpression(output, binOp.Left);
output.Add(" ");
this.TranslateBinaryOpSyntax(output, binOp.Op.Value);
output.Add(" ");
this.TranslateExpression(output, binOp.Right);
output.Add(")");
}
private static Expression ParseExponents(TokenStream tokens, Executable owner)
{
Expression expr = ParseIncrement(tokens, owner);
string next = tokens.PeekValue();
if (next == "**")
{
Token op = tokens.Pop();
Expression right = ParseNegate(tokens, owner);
expr = new BinaryOpChain(expr, op, right, owner);
}
return(expr);
}
private static Expression ParseMultiplication(TokenStream tokens, Executable owner)
{
Expression expr = ParseNegate(tokens, owner);
string next = tokens.PeekValue();
while (MULTIPLICATION_OPS.Contains(next))
{
Token op = tokens.Pop();
Expression right = ParseNegate(tokens, owner);
expr = new BinaryOpChain(expr, op, right, owner);
next = tokens.PeekValue();
}
return(expr);
}
private Expression ParseAddition(TokenStream tokens, TopLevelConstruct owner)
{
Expression expr = ParseMultiplication(tokens, owner);
string next = tokens.PeekValue();
while (ADDITION_OPS.Contains(next))
{
Token op = tokens.Pop();
Expression right = ParseMultiplication(tokens, owner);
expr = new BinaryOpChain(expr, op, right, owner);
next = tokens.PeekValue();
}
return(expr);
}
