public Expression Parse(Parser parser, Expression lhs, Token current)
{
var thenExpression = parser.ParseNext();
parser.Consume("COLON");
var elseExpression = parser.ParseExpression(Precedence - 1);
return new ConditionalExpr(lhs, thenExpression, elseExpression);
}
private Question CreateQuestion(string id, string label, Expression computation)
{
return new Question(
new Id(id, position),
new Types.BoolType(),
new Label(label, position),
computation,
position
);
}
public Expression Parse(Parser parser, Expression lhs, Token current)
{
var functionName = ((IdentifierExpr) lhs);
// we should already be on the leftparen token.
var arguments = ParseArguments(parser).ToArray();
parser.Consume("RIGHTPAREN");
return new FunctionCallExpr(functionName, arguments);
}